1,631,243 results match your criteria Biology letters[Journal]


Genomic sequence capture of haemosporidian parasites: Methods and prospects for enhanced study of host-parasite evolution.

Mol Ecol Resour 2018 Dec 16. Epub 2018 Dec 16.

Museum of Southwestern Biology and Department of Biology, MSC03 2020, 1 University of New Mexico, Albuquerque, New Mexico, 87131-0001, USA.

Avian malaria and related haemosporidians (Plasmodium, [Para]Haemoproteus, and Leucocytoozoon) represent an exciting multi-host, multi-parasite system in ecology and evolution. Global research in this field accelerated after 1) the publication in 2000 of PCR protocols to sequence a haemosporidian mitochondrial (mtDNA) barcode, and 2) the development in 2009 of an open-access database to document the geographic and host ranges of parasite mtDNA haplotypes. Isolating haemosporidian nuclear DNA from bird hosts, however, has been technically challenging, slowing the transition to genomic-scale sequencing techniques. Read More

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December 2018

Arousal from hibernation and reactivation of Eptesicus fuscus gammaherpesvirus (EfHV) in big brown bats.

Transbound Emerg Dis 2018 Dec 16. Epub 2018 Dec 16.

Department of Microbiology, Western College of Veterinary Microbiology, University of Saskatchewan, Saskatoon, Saskatchewan, Canada.

Many viruses that cause serious and often fatal disease in humans have spilled over from bats. Recent evidence suggests that stress may enhance virus shedding by bats increasing the possibility of transmission to other species. To understand the reasons for spillover it is therefore important to determine the molecular pathways that link stress to virus reactivation and shedding in bats. Read More

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December 2018

Signal transmission at invaginating cone photoreceptor synaptic contacts following deletion of the presynaptic cytomatrix protein Bassoon in mouse retina.

Acta Physiol (Oxf) 2018 Dec 16:e13241. Epub 2018 Dec 16.

Department of Biology, Animal Physiology, FAU Erlangen-Nürnberg, Staudtstr. 5, 91058, Erlangen, Germany.

Aim: A key feature of the mammalian retina is the segregation of visual information in parallel pathways, starting at the photoreceptor terminals. Cone photoreceptors establish synaptic contacts with On bipolar and horizontal cells at invaginating, ribbon-containing synaptic sites, whereas Off bipolar cells form flat, non-ribbon-containing contacts. The cytomatrix protein Bassoon anchors ribbons at the active zone, and its absence induces detachment of ribbons from the active zone. Read More

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December 2018

Soil organic carbon stability in forests: distinct effects of tree species identity and traits.

Glob Chang Biol 2018 Dec 16. Epub 2018 Dec 16.

Chair of Soil Science, Technical University Munich (TUM), Emil-Ramann-Str. 2, D-85354, Freising, Germany.

Rising atmospheric CO concentrations have increased interest in the potential for forest ecosystems and soils to act as carbon (C) sinks. While soil organic C contents often vary with tree species identity, little is known about if, and how, tree species influence the stability of C in soil. Using a 40-year-old common garden experiment with replicated plots of eleven temperate tree species, we investigated relationships between soil organic matter (SOM) stability in mineral soils and 17 ecological factors (including tree tissue chemistry, magnitude of organic matter inputs and their turnover, microbial community descriptors, and soil physico-chemical properties). Read More

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December 2018

Orf virus infection of human keratinocytes and dermal fibroblasts: limited virus detection and interference with intercellular adhesion molecule-1 up-regulation.

Exp Dermatol 2018 Dec 15. Epub 2018 Dec 15.

Institute of Immunology/Molecular Pathogenesis, Center for Biotechnology and Biomedicine, College of Veterinary Medicine, Leipzig University, Leipzig, Germany.

Orf virus (Parapoxvirus ovis, ORFV) is a dermatotropic virus causing pustular dermatitis in small ruminants and humans. We analyzed isolated human primary keratinocytes (KC) and dermal fibroblasts (FB) for cell death and virus replication by infection with a patient-derived ORFV isolate. ORFV infection was associated with rapid induction of cell death in KC allowing for considerable virus removal. Read More

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December 2018

Bringing benign ectomesenchymal odontogenic tumours to the lab: an in vitro study using an organotypic culture model.

J Oral Pathol Med 2018 Dec 16. Epub 2018 Dec 16.

Department of Pathology, Basic Sciences Institute, Universidade Federal de Minas Gerais-UFMG, Belo Horizonte, Brazil.

Background: Benign neoplasms exhibit most of the cellular phenomena considered hallmarks of cancer, except the capacity to metastasize. Thus, the elucidation of the mechanisms associated with the progression of benign neoplasms may complement and clarify the mechanisms involved in carcinogenesis. Benign odontogenic tumours often result in facial deformities and morbidities, and have complex pathogenesis, mainly due to the diversity of interactions between the odontogenic epithelium and the ectomesenchyme. Read More

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December 2018

Developmental mutant mouse models for external genitalia formation.

Congenit Anom (Kyoto) 2018 Nov 22. Epub 2018 Nov 22.

Department of Developmental Genetics, Institute of Advanced Medicine, Wakayama Medical University (WMU), Wakayama, Japan.

Development of external genitalia and perineum is the subject of developmental biology as well as toxicology and teratology researches. Cloaca forms in the lower (caudal) end of endoderm. Such endodermal epithelia and surrounding mesenchyme interact with various signals to form the external genitalia. Read More

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November 2018

UV-B-activated B16 melanoma cells or HaCaT keratinocytes increase melanogenesis via ANGPTL2 induction, an activity antagonized by Chrysanthemum extract.

Exp Dermatol 2018 Dec 16. Epub 2018 Dec 16.

Department of Molecular Genetics, Graduate School of Medical Sciences, Kumamoto University, Kumamoto, Japan.

Sunburn causes inflammation, which increases melanin production in skin and causes hyperpigmentation. Angiopoietin-like protein (ANGPTL) 2 is an inflammatory mediator induced in sun-exposed skin areas. However, whether ANGPTL2 functions in melanin production remains unclear. Read More

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December 2018

Advances in understanding obligate biotrophy in rust fungi.

New Phytol 2018 Dec 16. Epub 2018 Dec 16.

UMR 1136 INRA/Université de Lorraine Interactions Arbres/Microorganismes, INRA Centre Grand Est - Nancy, 54280, Champenoux, France.

Rust fungi (Pucciniales) are the largest group of plant pathogens and represent one of the most devastating threats to agricultural crops worldwide. Despite the economic importance of these highly specialized pathogens, many aspects of their biology remain obscure largely because rust fungi are obligate biotrophs. The rise of genomics and advances in high-throughput sequencing technology have presented new options for identifying candidate effector genes involved in pathogenicity mechanisms of rust fungi. Read More

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December 2018

Retinoic Acid-Induced Protein 14 (RAI14) Promotes mTOR-Mediated Inflammation Under Inflammatory Stress and Chemical Hypoxia in a U87 Glioblastoma Cell Line.

Cell Mol Neurobiol 2018 Dec 15. Epub 2018 Dec 15.

State Key Laboratory Cultivation Base For TCM Quality and Efficacy, School of Medicine and Life Science, Nanjing University of Chinese Medicine, Nanjing, 210023, People's Republic of China.

Retinoic acid-induced 14 is a developmentally regulated gene induced by retinoic acid and is closely associated with NIK/NF-κB signaling. In the present study, we examined the effect of RAI14 on mTOR-mediated glial inflammation in response to inflammatory factors and chemical ischemia. A U87 cell model of LPS- and TNF-α-induced inflammation was used to investigate the role of RAI14 in glial inflammation. Read More

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December 2018

Induction of apoptosis-like death by periplanetasin-2 in Escherichia coli and contribution of SOS genes.

Appl Microbiol Biotechnol 2018 Dec 15. Epub 2018 Dec 15.

School of Life Sciences, BK21 Plus KNU Creative BioResearch Group, Kyungpook National University, Daegu, 41566, Korea.

Periplanetasin-2 is a 15-mer antimicrobial peptide (AMP), derived from the American cockroach Periplaneta americana. This novel AMP exhibits potent antibacterial effect against several pathogenic bacteria including Escherichia coli. Distinct from the targeting cell membrane, which is the general antibacterial mechanism of AMP, periplanetasin-2 exerts its antibacterial activity via apoptosis-like death, which is physiologically and mechanistically similar to eukaryotic apoptosis. Read More

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December 2018

100 Years of phenogenetics: Valentin Haecker and his examination of the phenotype.

Mol Genet Genomics 2018 Dec 15. Epub 2018 Dec 15.

Research Group for Biology Education, Faculty of Biological Sciences, Institute of Zoology and Evolutionary Research, Friedrich-Schiller-University Jena, Am Steiger 3, Bienenhaus, 07743, Jena, Germany.

Following the 'rediscovery' of Mendel's work around 1900 the study of genetics grew rapidly and multiple new inheritance theories quickly emerged such as Hugo de Vries' "Mutation Theory" (1901) and the "Boveri-Sutton Chromosome Theory" (1902). Mendel's work also caught the attention of the German geneticist Valentin Haecker, yet he was generally dissatisfied the simplicity of Mendelian genetics as he believed that inheritance and the expression of various characteristics appeared to be much more complex than the proposed "on-off hypotheses". Haecker's primary objection was that Mendelian-based theories still failed to bridge the gap between hereditary units and phenotypic traits. Read More

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December 2018

Autonomous self-fertilization in Linum sulcatum, a native annual with a previously unknown mating system.

J Plant Res 2018 Dec 15. Epub 2018 Dec 15.

Department of Biology, University of Minnesota Duluth, 207A Swenson Science Building, Duluth, MN, 55812, USA.

The mating systems of wild plant populations have profound effects on their genetic structure and evolution, yet remain unknown or incompletely described for many species. One such species, the herbaceous native annual Linum sulcatum Riddell (Linaceae), is thought to be self-compatible, but there has been no experimental evidence to date to support this claim. To assess the breeding system of this species, seeds were collected from wild populations and reared in a controlled environment. Read More

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December 2018

Differential Susceptibility of Wild and Cultivated Blueberries to an Invasive Frugivorous Pest.

J Chem Ecol 2018 Dec 15. Epub 2018 Dec 15.

Laboratory of Evolutionary Entomology, Institute of Biology, University of Neuchâtel, Emile Argand 11, Case postale 158, 2009, Neuchâtel, Switzerland.

Highbush blueberry is a crop native to the northeast USA that has been domesticated for about 100 years. This study compared the susceptibility of wild and domesticated/cultivated highbush blueberries to an invasive frugivorous pest, the spotted wing drosophila (Drosophila suzukii). We hypothesized that: 1) cultivated fruits are preferred by D. Read More

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December 2018

IL12B gene polymorphisms have sex-specific effects in relapsing-remitting multiple sclerosis.

Acta Neurol Belg 2018 Dec 15. Epub 2018 Dec 15.

Department of Molecular biology, Immunology and Medical Genetics, Medical Faculty, Trakia University, Armeiska 11 str, 6000, Stara Zagora, Bulgaria.

IL-12-family cytokines play a pivotal role in neuroinflammation and neurodegeneration in relapsing-remitting multiple sclerosis (RRMS). The aim of the study was to evaluate whether two polymorphisms in IL12B gene, rs17860508 and rs3212227, are associated with RRMS, and to define their function effect on serum level of IL-12p40 and IL-23 and degree of disability in RRMS cases. In total 156 Bulgarian patients with Expanded Disability Status Scale score ranging from 1. Read More

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December 2018

Autism in India: a case-control study to understand the association between socio-economic and environmental risk factors.

Acta Neurol Belg 2018 Dec 15. Epub 2018 Dec 15.

Human Molecular Cytogenetics and Stem Cell Laboratory, Department of Human Genetics and Molecular Biology, Bharathiar University, Coimbatore, Tamil Nadu, 641 046, India.

Autism spectrum disorder is a neurodevelopmental disorder and the cause of autism is still unclear. The aim of this study was to investigate the association of socioeconomic, environmental, pregnancy and newborn-related risk factors among children with autism spectrum disorders. This was a population-based case-control study. Read More

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December 2018

Overexpression of the cancer stem cell marker CD133 confers a poor prognosis in invasive breast cancer.

Breast Cancer Res Treat 2018 Dec 15. Epub 2018 Dec 15.

Nottingham Breast Cancer Research Centre, Division of Cancer and Stem Cells, School of Medicine, University of Nottingham, Nottingham, UK.

Purpose: CD133/ prominin 1 is a cancer stem cell marker associated with cancer progression and patient outcome in a variety of solid tumours, but its role in invasive breast cancer (BC) remains obscure. The current study aims to assess the prognostic value of CD133 expression in early invasive BC.

Methods: CD133 mRNA was assessed in the METABRIC cohort and at the proteomic level using immunohistochemistry utilising a large well-characterised BC cohort. Read More

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December 2018

Impact of large-scale tree planting in Yunnan Province, China, on the water supply balance in Southeast Asia.

Environ Monit Assess 2018 Dec 15;191(1):20. Epub 2018 Dec 15.

Chongqing College of Arts and Sciences, Chongqing, 402160, China.

Along with rapid economic development and population growth, anthropogenic disturbances to natural ecosystems increase the progressively worsening environmental problems in and around water resources, making the potential ecological risks more severe and unpredictable. In order to cope with the increasingly serious issues related to the ecological environment and poverty alleviation, the Government of Yunnan in Southwest China launched a large-scale afforestation campaign (plantation forestry) on the Yunnan-Guizhou Plateau, which is the main source of several major river systems in Southeast Asia. In this study, we use GIS to investigate the impacts of a large-scale afforestation on the water storage balance of Southeast Asia. Read More

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December 2018

Establishment and application of distant hybridization technology in fish.

Sci China Life Sci 2018 Dec 13. Epub 2018 Dec 13.

State Laboratory of Developmental Biology of Freshwater Fish, Hunan Normal University, Changsha, 410081, China.

Hybridization is widely used. However, for a long time, systematic theories and technologies related to hybridization in fish have been lacking. In this study, through long-term systematic research, we investigated and obtained the main rules regarding inheritance and reproduction related to fish distant hybridization. Read More

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December 2018

Integrated Analysis of the Endoscopic, Pathological and Molecular Characteristics of Colorectal Tumorigenesis.

Digestion 2018 Dec 14;99(1):33-38. Epub 2018 Dec 14.

Department of Molecular Diagnostic Pathology, School of Medicine, Iwate Medical University, Morioka, Japan.

Background: Colorectal cancers (CRCs) develop through the accumulation of genetic and epigenetic alterations of oncogenes and tumor suppressor genes. In addition to the well-characterized adenoma-carcinoma sequence, the serrated neoplasia pathway is now recognized as an alternative pathway for CRC development.

Summary: Through analysis of the colonoscopic, pathological, and molecular features of colorectal tumors, we identified a novel microsurface structure characteristic of serrated lesions. Read More

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December 2018

A serine in the first transmembrane domain of the human E3 ubiquitin ligase MARCH9 is critical for down-regulation of its protein substrates.

J Biol Chem 2018 Dec 15. Epub 2018 Dec 15.

Structural Biology, The Walter and Eliza Hall Institute of Medical Research, Australia.

The membrane-associated RING-CH (MARCH) family of membrane-bound E3 ubiquitin ligases regulates the levels of cell-surface membrane proteins, many of which are involved in immune responses. Although their role in ubiquitin-dependent endocytosis and degradation of cell-surface proteins is extensively documented, the features of MARCH proteins and their substrates that drive the molecular recognition events leading to ubiquitin transfer remain poorly defined. In this study, we sought to determine the features of human MARCH9 that are required for regulating the surface levels of its substrate proteins. Read More

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December 2018

Yield of peripheral sodium channels gene screening in pure small fibre neuropathy.

J Neurol Neurosurg Psychiatry 2018 Dec 15. Epub 2018 Dec 15.

Department of Clinical Genetics, Maastricht University Medical Centre, Maastricht, The Netherlands

Background: Neuropathic pain is common in peripheral neuropathy. Recent genetic studies have linked pathogenic voltage-gated sodium channel (VGSC) variants to human pain disorders. Our aims are to determine the frequency of , and variants in patients with pure small fibre neuropathy (SFN), analyse their clinical features and provide a rationale for genetic screening. Read More

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December 2018

Protective role of Gentianella acuta on isoprenaline induced myocardial fibrosis in rats via inhibition of NF-κB pathway.

Biomed Pharmacother 2018 Dec 13;110:733-741. Epub 2018 Dec 13.

Department of Physiology, Hebei University of Chinese Medicine, Shijiazhuang, Hebei, PR China. Electronic address:

Gentianella acuta (Michx.) Hulten (G. acuta) has been widely used in Mongolian medicines for the treatment of cardiovascular diseases in Ewenki and Oroqen, Inner Mongolia autonomous region, China. Read More

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December 2018

Cancer diagnosis using nanomaterials based electrochemical nanobiosensors.

Biosens Bioelectron 2018 Nov 19;126:773-784. Epub 2018 Nov 19.

Department of Nanotechnology, Faculty of Advanced Sciences and Technology, Tehran Medical Sciences , Islamic Azad University, Tehran, Iran. Electronic address:

Cancer is one of the most important causes of mortality in the world, which can be severely reduced by early detection to avoid future problems in the field of economics and mental health. Hence, electrochemical nanobiosensors as portable devices for rapid detection of  cancer biomarkers, have found an important place in clinical medicine for diagnosis, managements or cancer screening. Although, these biosensors have been receiving attention in the recent years, their principles are unchanged. Read More

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November 2018

Intranasal insulin activates Akt2 signaling pathway in the hippocampus of wild-type but not in APP/PS1 Alzheimer model mice.

Neurobiol Aging 2018 Nov 17;75:98-108. Epub 2018 Nov 17.

Institute of Biomedicine, University of Eastern Finland, Kuopio, Finland. Electronic address:

Type 2 diabetes mellitus (T2DM) increases the risk for Alzheimer's disease (AD). Human AD brains show reduced glucose metabolism as measured by [18F]fluoro-2-deoxy-2-D-glucose positron emission tomography (FDG-PET). Here, we used 14-month-old wild-type (WT) and APP/PS1 (APP/PS1) transgenic mice to investigate how a single dose of intranasal insulin modulates brain glucose metabolism using FDG-PET and affects spatial learning and memory. Read More

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November 2018

N-Alkyl-1,5-dideoxy-1,5-imino-l-fucitols as fucosidase inhibitors: Synthesis, molecular modelling and activity against cancer cell lines.

Bioorg Chem 2018 Dec 4;84:418-433. Epub 2018 Dec 4.

School of Chemistry, National University of Ireland Galway, University Road, Galway H91 TK33, Ireland. Electronic address:

1,5-Dideoxy-1,5-imino-l-fucitol (1-deoxyfuconojirimycin, DFJ) is an iminosugar that inhibits fucosidases. Herein, N-alkyl DFJs have been synthesised and tested against the α-fucosidases of T. maritima (bacterial origin) and B. Read More

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December 2018

White spot syndrome virus infection activates Caspase 1-mediated cell death in crustacean.

Virology 2018 Dec 13;528:37-47. Epub 2018 Dec 13.

College of Life Sciences and Laboratory for Marine Biology and Biotechnology of Qingdao National Laboratory for Marine Science and Technology, Zhejiang University, Hangzhou 310058, People's Republic of China. Electronic address:

In vertebrates, pyroptosis is an intense inflammatory form of programmed cell death. This death pathway is critical for controlling pathogenic infection. In invertebrates, however, due to the lack of adaptive immune response, it is still elusive whether Caspase 1-dependent cell death pathway exists. Read More

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December 2018

Seasonal changes in amino acids and phenolic compounds in fruits from hybrid cross populations of American grapes differing in disease resistance.

Plant Physiol Biochem 2018 Dec 3;135:182-193. Epub 2018 Dec 3.

Plant Biology and Horticulture Sections, School of Integrative Plant Science, Cornell University, Ithaca, NY, 14853, USA. Electronic address:

The production of wine grapes in upstate New York (USA) is limited by diseases that are promoted by the cool and sometimes rainy climate. A breeding program has been introducing disease resistance from related species into the cultivated stock. Previous work has indicated that such resistance may be based on biochemical reactions rather than on a hypersensitive reaction. Read More

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December 2018

Bioaccumulation and morphological traits in a multi-generation test with two Daphnia species exposed to lead.

Chemosphere 2018 Dec 7;219:636-644. Epub 2018 Dec 7.

Department of Biology & CESAM, University of Aveiro, 3810-193, Portugal.

Anthropic pressure negatively affects natural environments. Lead (Pb) is a non-essential highly toxic metal that is present in aquatic ecosystems. Two daphnid species from two different latitudes, the temperate Daphnia magna and the tropical Daphnia similis were used as test-organisms to evaluate a long-term Pb exposure. Read More

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December 2018

Chemical induced conversion of mouse fibroblasts and human adipose-derived stem cells into skeletal muscle-like cells.

Biomaterials 2018 Dec 6;193:30-46. Epub 2018 Dec 6.

Department of Molecular Cell Biology, Sungkyunkwan University School of Medicine, Suwon, 16419, South Korea. Electronic address:

Use of stem cells in regenerative medicine holds great promise in treating people suffering from various otherwise incurable ailments. Direct conversion of somatic cells to other lineages thereby bypassing the intermediate pluripotent state has enormous applicability with respect to time requirement for conversion as well as safety issues. Among various approaches, chemical induced cell conversion is safe yet effective, and the use of small molecules has thus increased greatly in recent years in regenerative fields due to easy applicability, efficient scalability, and consistent reproducibility. Read More

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December 2018

Phospholipase A2 products predict the hematopoietic support capacity of horse serum.

Differentiation 2018 Dec 6;105:27-32. Epub 2018 Dec 6.

Department of Hematology and Oncology, Medical Faculty, University of Leipzig, Leipzig, Germany.

Horse serum is commonly used as an additive to support the maintenance of hematopoietic progenitor cells in culture. However, the wide variability in the performance of different lots calls for parallel testing of multiple batches over extended periods of culture. Identification of the serum components that determine hematopoietic support would therefore save considerable time and effort and would help to standardize culture procedures. Read More

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December 2018

Influence of glucose transporter 1 activity inhibition on neuroblastoma in vitro.

Gene 2018 Dec 13. Epub 2018 Dec 13.

Department of Physiology, Chongqing Medical University, Chongqing 400016, China; Department of Molecular Medicine and Cancer Research Center, Chongqing Medical University, Chongqing 400016, China. Electronic address:

Most cancer cells predominantly produce their energy through a high rate of glycolysis in the presence of abundant oxygen. Glycolysis has become a target of anticancer strategies. Previous researches showed that glucose transporter 1 (GLUT1) inhibitor is effective as anticancer agents. Read More

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December 2018

Testicular morphology and spermatogenesis in harbour porpoises (Phocoena phocoena).

Theriogenology 2018 Nov 28;126:177-186. Epub 2018 Nov 28.

Institute for Anatomy, University of Veterinary Medicine Hanover Foundation, Bischofsholer Damm 15, 30173, Hanover, Germany. Electronic address:

Knowledge about reproductive parameters in male harbour porpoises such as testicular histology and germ cell maturation as well as seasonal changes in spermatogenesis is scarce. Thus, the aim of the present study was to report changes in the histological appearance of the testicular morphology of neonatal and juvenile harbour porpoises during maturation, to identify stages of spermatogenesis in adult males and to detect seasonal modifications. The identification of these stages can be used to assess the developmental profile of gene expression during spermatogenesis and to identify defects in spermatogenesis arising in pathological conditions. Read More

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November 2018

The whole blood transcriptome at the time of maternal recognition of pregnancy in pigs reflects certain alterations in gene expression within the endometrium and the myometrium.

Theriogenology 2018 Nov 22;126:159-165. Epub 2018 Nov 22.

Department of Anatomy and Animal Physiology, Faculty of Biology and Biotechnology, University of Warmia and Mazury in Olsztyn, Oczapowskiego 1A, 10-718, Olsztyn, Poland.

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November 2018

EGR-mediated control of STIM expression and function.

Cell Calcium 2018 Dec 6;77:58-67. Epub 2018 Dec 6.

Fels Institute for Cancer Research and Molecular Biology, Temple University School of Medicine, Philadelphia, PA, 19140, USA; Department of Medical Genetics & Molecular Biochemistry, Temple University School of Medicine, Philadelphia, PA, 19140, USA. Electronic address:

Ca is a ubiquitous, dynamic and pluripotent second messenger with highly context-dependent roles in complex cellular processes such as differentiation, proliferation, and cell death. These Ca signals are generated by Ca-permeable channels located on the plasma membrane (PM) and endoplasmic reticulum (ER) and shaped by PM- and ER-localized pumps and transporters. Differences in the expression of these Ca homeostasis proteins contribute to cell and context-dependent differences in the spatiotemporal organization of Ca signals and, ultimately, cell fate. Read More

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December 2018

Suppressive effects of iron chelation in clear cell renal cell carcinoma and their dependency on VHL inactivation.

Free Radic Biol Med 2018 Dec 13. Epub 2018 Dec 13.

Department of Urology, Roswell Park Comprehensive Cancer Center, Buffalo, NY 14263; Department of Cancer Genetics, Roswell Park Comprehensive Cancer Center, Buffalo, NY 14263; Jacobs School of Medicine and Biomedical Sciences, State University of New York at Buffalo, Buffalo, NY 14214. Electronic address:

Background And Objectives: Accumulating data implicate iron accumulation in tumorigenesis of the kidney, particularly the clear cell renal cell carcinoma (ccRCC) subtype. The von Hippel Lindau (VHL)/hypoxia inducible factor-α (HIF-α) axis is uniquely dysregulated in ccRCC and is a major regulator and regulatory target of iron metabolism, yet the role of iron in ccRCC tumorigenesis and its potential interplay with VHL inactivation remains unclear. We investigated whether ccRCC iron accumulation occurs due to increased cell dependency on iron for growth and survival as a result of VHL inactivation. Read More

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December 2018

Proteomics turns functional.

J Proteomics 2018 Dec 13. Epub 2018 Dec 13.

Department of Science and High Technology, Center of Bioinformatics, University of Insubria, Busto Arsizio, Italy. Electronic address:

Proteomics is acquiring a pivotal role in the comprehensive understanding of human biology. Biochemical processes involved in complex diseases, such as neurodegenerative diseases, diabetes and cancer, can be identified by combining proteomics analysis and bioinformatics tools. In the last ten years, the main output of differential proteomics investigations evolved from long lists of proteins to the generation of new hypotheses and their functional verification. Read More

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December 2018

Response of the biomining Acidithiobacillus ferrooxidans to high cadmium concentrations.

J Proteomics 2018 Dec 13. Epub 2018 Dec 13.

Laboratory of Molecular Microbiology and Biotechnology, Department of Biology, Faculty of Sciences, University of Chile, Santiago, Chile. Electronic address:

Cadmium is a heavy metal present in contaminated soils. It has no biological role but when entering cells generates DNA damage, overexpression of stress response proteins and misfolded proteins, amongst other deleterious effects. Acidithiobacillus ferrooxidans is an acidophilic bacterium resisting high concentrations of heavy metals such as cadmium. Read More

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December 2018

CRISPR/Cas9 deletions in a conserved exon of Distal-less generates gains and losses in a recently acquired morphological novelty in flies.

iScience 2018 Dec 1;10:222-233. Epub 2018 Dec 1.

Department of Biological Sciences, National University of Singapore, Singapore, Singapore. Electronic address:

Distal-less has been repeatedly co-opted for the development of many novel traits. Here, we document its curious role in the development of a novel abdominal appendage ("sternite brushes") in sepsid flies. CRISPR/Cas9 deletions in the homeodomain result in losses of sternite brushes, demonstrating that Distal-less is necessary for their development. Read More

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December 2018

Production of biofuels and chemicals from xylose using native and engineered yeast strains.

Biotechnol Adv 2018 Dec 13. Epub 2018 Dec 13.

Department of Agricultural Biotechnology and Center for Food and Bioconvergence, Seoul National University, Seoul 08826, South Korea. Electronic address:

Numerous metabolic engineering strategies have allowed yeasts to efficiently assimilate xylose, the second most abundant sugar component of lignocellulosic biomass. During the investigation of xylose utilization by yeasts, a global rewiring of metabolic networks upon xylose cultivation has been captured, as opposed to a pattern of glucose repression. A clear understanding of the xylose-induced metabolic reprogramming in yeast would shed light on the optimization of yeast-based bioprocesses to produce biofuels and chemicals using xylose. Read More

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December 2018

Biodegradation of Cibacron Blue 3GA by insolubilized laccase and identification of enzymatic byproduct using MALDI-ToF-MS: Toxicity assessment studies by Daphnia magna and Chlorella vulgaris.

Ecotoxicol Environ Saf 2018 Dec 13;170:453-460. Epub 2018 Dec 13.

Biochemical Processing and Biomaterial Research Laboratory, Gazi University, 06500 Teknikokullar, Ankara, Turkey.

The presented paper describes a detailed study on the use of immobilized laccase for effective degradation of Cibacron Blue 3GA dye. The amount of laccase loading on the cyclic carbonate groups containing poly(hydroxyethyl methacrylate-co-vinylene carbonate), p(HEMA-co-VC), microbeads was 27.8 mg g, and the retained immobilized enzyme activity was 73% compared to free enzyme. Read More

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December 2018

A novel computational solution to the health risk assessment of air pollution via joint toxicity prediction: A case study on selected PAH binary mixtures in particulate matters.

Ecotoxicol Environ Saf 2018 Dec 13;170:427-435. Epub 2018 Dec 13.

State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, PR China; College of Resources and Environment, University of Chinese Academy of Sciences, Beijing 100190, PR China; Institute of Environment and Health, Jianghan University, Wuhan 430056, PR China. Electronic address:

Regional haze episode has already caused overwhelming public concern. Unraveling the health effects of the representative composition mixtures of atmospheric fine particulate matters (PM) becomes a top priority. In this study, a novel computational solution integrating chemical-induced genomic residual effect prediction with in vitro-based risk assessment is proposed to obtain the cumulative health risk of typical chemical mixtures of particulate matters (PM). Read More

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December 2018

Hematopoietic tissue of Macrobrachium rosenbergii plays dual roles as a source of hemocyte hematopoiesis and as a defensive mechanism against Macrobrachium rosenbergii nodavirus infection.

Fish Shellfish Immunol 2018 Dec 13. Epub 2018 Dec 13.

Center of Excellence for Shrimp Molecular Biology and Biotechnology (Centex Shrimp), Faculty of Science, Mahidol University, Rama VI Road, Bangkok, 10400, Thailand; Nakhonsawan Campus, Mahidol University, Nakhonsawan, 60130, Thailand. Electronic address:

White tail disease caused by Macrobrachium rosenbergii nodavirus (MrNV) infection takes place only in nauplii, not adults, of M. rosenbergii prawn. Hemocyte homeostasis and immune-related functions derived from the hematopoietic tissue (Hpt) in adult prawn are presumed to play roles in resisting viral infection. Read More

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December 2018

Use of probiotics in aquaculture of China-a review of the past decade.

Fish Shellfish Immunol 2018 Dec 13. Epub 2018 Dec 13.

Sino-Norway Fish Gastrointestinal Microbiota Joint Lab, Feed Research Institute, Chinese Academy of Agricultural Sciences, Beijing, 100081, PR China. Electronic address:

China is the largest aquaculture producer in the world. Antibiotics were extensively used to ensure the development of the intensive aquaculture; however, the use of antibiotics causes safety- and environment-associated problems. As an alternative strategy to antibiotics, aquatic probiotics have attracted attention. Read More

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December 2018

Differential accumulation of Tau phosphorylated at residues Thr231, Ser262 and Thr205 in hippocampal interneurons and its modulation by Tau mutations (VLW) and amyloid-β peptide.

Neurobiol Dis 2018 Dec 13. Epub 2018 Dec 13.

Department of Cell Biology, Physiology and Immunology, Institut de Neurociències, Universitat de Barcelona, Barcelona, Spain; Centro de Investigación Biomédica en Red sobre Enfermedades Neurodegenerativas (CIBERNED, ISCIII), Spain; Vall d'Hebron Institute of Research, Barcelona, Spain. Electronic address:

Alzheimer's disease (AD) is characterized by the accumulation of amyloid-β peptide (Aβ) and hyperphosphorylated Tau protein (P-Tau). Our recent data showed a differential accumulation of Tau protein phosphorylated at Thr231 in distinct hippocampal neurons in VLW mice-an animal model that overexpresses mutated human Tau. Here we demonstrate that, in VLW mice, the accumulation of human P-Tau in the pyramidal cells induces the phosphorylation of murine Tau at Thr231 (pThr231) in hippocampal interneurons. Read More

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December 2018

Plio-Pleistocene diversification and biogeographic barriers in southern Australia reflected in the phylogeography of a widespread and common lizard species.

Mol Phylogenet Evol 2018 Dec 13. Epub 2018 Dec 13.

College of Science and Engineering, Flinders University, South Australia; Evolutionary Biology Unit, South Australian Museum.

Palaeoclimatic events and biogeographical processes since the mid-Tertiary have played an important role in shaping the evolution and distribution of Australian fauna. However, their impacts on fauna in southern and arid zone regions of Australia are not well understood. Here we investigate the phylogeography of an Australian scincid lizard, Tiliqua rugosa, across southern Australia using mitochondrial DNA (mtDNA) and 11 nuclear DNA markers (nuDNA), including nine anonymous nuclear loci. Read More

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December 2018

Skim milk powder with high content of Maillard reaction products affect weight gain, organ development and intestinal inflammation in early life in rats.

Food Chem Toxicol 2018 Dec 13. Epub 2018 Dec 13.

Lund University, Faculty of Medicine, Department of Clinical Sciences, Lund, Sweden; Skane University Hospital, Department of Endocrinology, Lund, Sweden. Electronic address:

Background: The intestinal tract is important for development of immune tolerance and disturbances are suggested to trigger autoimmune disorders. The aim of this study was to explore the effect of Maillard products in skim milk powder obtained after long storage, compared to fresh skim milk powder.

Methods: Young rats were weaned onto a diet based on skim milk powder with high concentration of Maillard products (HM-SM, n = 18) or low (C-SM, n = 18) for one week or four weeks. Read More

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December 2018

Remnant lipoproteins and atherosclerotic cardiovascular disease.

Clin Chim Acta 2018 Dec 13. Epub 2018 Dec 13.

Division of Cardiovascular and Internal Medicine, Kanazawa University Graduate School of Medical Sciences, Kanazawa, Japan.

Lipoproteins are one of the major risk factors for atherosclerotic cardiovascular disease (ASCVD), among which, low-density lipoprotein (LDL) particles have been definitively shown to be causally associated with the development of ASCVD. Additionally, the concept of remnant lipoproteins has emerged as lipoprotein metabolism has been fully investigated. The principal concept of this lipoprotein category is triglyceride-rich lipoproteins significantly increase at the postprandial state. Read More

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December 2018

Cortical porosity assessment in the distal radius: A comparison of HR-pQCT measures with Synchrotron-Radiation micro-CT-based measures.

Bone 2018 Dec 13. Epub 2018 Dec 13.

Department of Mechanical Engineering, University of Saskatchewan, Saskatoon, SK, Canada. Electronic address:

Objective: To determine the agreement between cortical porosity derived from high resolution peripheral quantitative computed tomography (HR-pQCT) (via standard threshold, mean density and density inhomogeneity methods) and synchrotron radiation micro-CT (SR-μCT) derived porosity at the distal radius.

Methods: We scanned 10 cadaveric radii (mean donor age: 79, SD 11 years) at the standard distal region using HR-pQCT and SR-μCT at voxel sizes of 82 μm and 17.7 μm, respectively. Read More

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December 2018

Determining the target of membrane sterols on voltage-gated potassium channels.

Biochim Biophys Acta Mol Cell Biol Lipids 2018 Dec 13. Epub 2018 Dec 13.

Division of Biophysics, Department of Biophysics and Cell Biology, Faculty of Medicine, University of Debrecen, Debrecen, Egyetem ter 1., H-4032, Hungary; MTA-DE-NAP B Ion Channel Structure-Function Research Group, RCMM, University of Debrecen, Debrecen, Egyetem ter 1., H-4032, Hungary. Electronic address:

Cholesterol, an essential lipid component of cellular plasma membranes, regulates fluidity, mechanical integrity, raft structure and may specifically interact with membrane proteins. Numerous effects on ion channels by cholesterol, including changes in current amplitude, voltage dependence and gating kinetics, have been reported. We have previously described such changes in the voltage-gated potassium channel K1. Read More

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December 2018
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