1,003 results match your criteria taxonomically identified

Life Cycle and Genetic Identification of Infesting Domestic Fowl in Khyber Pakhtunkhwa, Pakistan.

Front Vet Sci 2021 19;8:664731. Epub 2021 May 19.

Department of Zoology, Abdul Wali Khan University Mardan, Mardan, Pakistan.

Ticks transmit numerous pathogens to animals including humans; therefore, they are parasites of health concern. Soft ticks infesting domestic fowl in Pakistan are carriers of viruses and bacteria and cause unestimated economic losses in the poultry sector. The current study was intended to identify soft ticks infesting domestic fowl and understand their spatiotemporal distribution along 1 year. Read More

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Flavobacterium agrisoli sp. nov., a novel bacterium isolated from soil.

Arch Microbiol 2021 Jun 3. Epub 2021 Jun 3.

School of Applied Biosciences, Kyungpook National University, Daegu, 41566, Republic of Korea.

A Gram-stain negative, rod shaped, motile by gliding, yellow-pigmented, aerobic bacterium, designated SE-1-e, was isolated from a soil sample collected on Dokdo Island, South Korea. The isolate was characterized taxonomically using a polyphasic approach based on the phenotypic and genomic analyses. The phylogenetic analysis based on 16S rRNA gene sequence revealed that strain SE-1-e belonged to the genus Flavobacterium in the family Flavobacteriaceae and had the highest sequence similarity with Flavobacterium cheongpyeongense IMCC34759 (97. Read More

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De novo genome assemblies of butterflies.

Gigascience 2021 Jun;10(6)

McGuire Center for Lepidoptera and Biodiversity, Florida Museum of Natural History, University of Florida, 3215 Hull Road, Gainesville, FL 32611-2710, USA.

Background: The availability of thousands of genomes has enabled new advancements in biology. However, many genomes have not been investigated for their quality. Here we examine quality trends in a taxonomically diverse and well-known group, butterflies (Papilionoidea), and provide draft, de novo assemblies for all available butterfly genomes. Read More

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Metagenomics Analysis Reveals an Extraordinary Inner Bacterial Diversity in Anisakids (Nematoda: Anisakidae) L3 Larvae.

Microorganisms 2021 May 19;9(5). Epub 2021 May 19.

Museo Nacional de Ciencias Naturales, Dpto Biodiversidad y Biología Evolutiva, CSIC, 28006 Madrid, Spain.

L3 larvae of anisakid nematodes are an important problem for the fisheries industry and pose a potential risk for human health by acting as infectious agents causing allergies and as potential vectors of pathogens and microrganisms. In spite of the close bacteria-nematode relationship very little is known of the anisakids microbiota. Fresh fish could be contaminated by bacteria vectored in the cuticle or in the intestine of anisakids when the L3 larvae migrate through the muscles. Read More

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Mining the Royal Jelly Proteins: Combinatorial Hexapeptide Ligand Library Significantly Improves the MS-Based Proteomic Identification in Complex Biological Samples.

Molecules 2021 May 7;26(9). Epub 2021 May 7.

Department of Inorganic and Analytical Chemistry, Poznan University of Medical Sciences, Grunwaldzka 6 Street, 60-780 Poznań, Poland.

Royal jelly (RJ) is a complex, creamy secretion produced by the glands of worker bees. Due to its health-promoting properties, it is used by humans as a dietary supplement. However, RJ compounds are not fully characterized yet. Read More

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A new species of Chlamydia isolated from Siamese crocodiles (Crocodylus siamensis).

PLoS One 2021 27;16(5):e0252081. Epub 2021 May 27.

The Monitoring and Surveillance Center for Zoonotic Diseases in Wildlife and Exotic Animals, Faculty of Veterinary Science, Mahidol University, Nakhon Pathom, Thailand.

Chlamydia is a known pathogen in both saltwater and freshwater crocodiles. However, the exact species/strain has not been clearly identified. In this study, we successfully cultivated Siamese crocodile Chlamydia in McCoy cells at a temperature of 30°C. Read More

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Analysis of appendectomy samples identified dysbiosis in acute appendicitis.

Biosci Microbiota Food Health 2021 14;40(2):92-97. Epub 2020 Nov 14.

Department of Microbiome Research, School of Medicine, Juntendo University, 2-1-1 Hongo, Bunkyo-ku, Tokyo 113-8421, Japan.

Appendicitis is the most common cause of sudden-onset abdominal pain requiring surgery. Culture-independent techniques have revealed that the complex intestinal bacterial ecology is associated with various diseases. To evaluate differences in patient characteristics and gut microbiota distribution in patients with appendicitis, we enrolled 12 patients who underwent appendectomy for appendicitis (appendicitis group) and 13 patients who underwent ileocecal resection or right hemicolectomy for colon cancer (control group). Read More

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November 2020

Two newly identified Haematococcus strains efficiently accumulated radioactive cesium over higher astaxanthin production.

Environ Res 2021 Aug 11;199:111301. Epub 2021 May 11.

Department of Biomedical Engineering, Sogang University, Baekbeom-ro 35, Mapo-gu, Seoul, Republic of Korea; Department of Mechanical Engineering, Sogang University, Baekbeom-ro 35, Mapo-gu, Seoul, Republic of Korea. Electronic address:

In this study, we investigated the morphological, genomic and bioaccumulation characteristics of two isolated Haematococcus strains (namely Goyang and Sogang), which were newly discovered in South Korea. Morphological analysis revealed that the isolated strains were unicellular and bi-flagellated green microalgae that formed thickened walls at the palmelloid or red-cyst phase. Phylogenetic analysis of 18S rRNA and rbcL gDNA sequences demonstrated that both strains were taxonomically related to the genus Haematococcus. Read More

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Morpho-taxonomic identification of algal diversity of district Lahore based on light microscopic techniques.

Microsc Res Tech 2021 May 12. Epub 2021 May 12.

Faculty of Sciences, University of Central Punjab Lahore, Lahore, Pakistan.

Total 23 algal species belonging to 14 genera were reported from different sites of district Lahore. They were collected from freshwater of some areas of Lahore city during October 2017 to March 2018. All were taxonomically investigated up to specie level using light microscopy (LM). Read More

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Metagenomics: A viable tool for reconstructing herbivore diet.

Mol Ecol Resour 2021 May 10. Epub 2021 May 10.

Section for Evolutionary Genomics, Globe Institute, University of Copenhagen, Copenhagen, Denmark.

Metagenomics can generate data on the diet of herbivores, without the need for primer selection and PCR enrichment steps as is necessary in metabarcoding. Metagenomic approaches to diet analysis have remained relatively unexplored, requiring validation of bioinformatic steps. Currently, no metagenomic herbivore diet studies have utilized both chloroplast and nuclear markers as reference sequences for plant identification, which would increase the number of reads that could be taxonomically informative. Read More

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Phytochemical profiling of several Hypericum species identified using genetic markers.

Phytochemistry 2021 Jul 6;187:112742. Epub 2021 May 6.

Department of Genetics, Institute of Biology and Ecology, Faculty of Science, Pavol Jozef Šafárik University in Košice, Mánesova 23, 04154, Košice, Slovakia. Electronic address:

In the present study, we performed phytochemical profiling of several under-exploited Hypericum representatives taxonomically belonging to the sections Ascyreia, Androsaemum, Inodora, Hypericum, Coridium, Myriandra, and Adenosepalum. The authenticity of the starting plant material was confirmed using the nuclear ribosomal internal transcribed spacer as a molecular marker, DNA content and chromosome number. Phenolic constituents were analyzed using high-performance liquid chromatography to complement species-specific metabolic profiles. Read More

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Machine learning approach to support taxonomic species discrimination based on helminth collections data.

Parasit Vectors 2021 May 1;14(1):230. Epub 2021 May 1.

Laboratório de Biologia de Tripanosomatídeos-LABTRIP, Instituto Oswaldo Cruz, IOC-FIOCRUZ, Rio de Janeiro, RJ, Brazil.

Background: There are more than 300 species of capillariids that parasitize various vertebrate groups worldwide. Species identification is hindered because of the few taxonomically informative structures available, making the task laborious and genus definition controversial. Thus, its taxonomy is one of the most complex among Nematoda. Read More

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Prediction, enrichment and isolation identify a responsive, competitive community of cellulolytic microorganisms from a municipal landfill.

FEMS Microbiol Ecol 2021 05;97(5)

Dapartment of Biology, University of Waterloo, 200 University Ave, Waterloo, ON, N2L3G1, Canada.

Landfills are engineered, heterogeneously contaminated sites containing large reservoirs of paper waste. Cellulose degradation is an important process within landfill microbial ecology, and these anoxic, saturated environments are prime locations for discovery of cellulases that may offer improvements on industrial cellulose degradation efforts. We sampled leachate from three locations within a municipal landfill, a leachate collection cistern, and groundwater from an adjacent aquifer to identify cellulolytic populations and their associated cellulases. Read More

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A Revised Phylogeny of the Clade Reveals Cryptic Species.

Plants (Basel) 2021 Apr 20;10(4). Epub 2021 Apr 20.

Section for GeoGenetics, GLOBE Institute, University of Copenhagen, Øster Farimagsgade 5, bygning 7, DK-1353 Copenhagen, Denmark.

The genus is taxonomically and phylogenetically challenging due to complex genomes, polyploidization and an extensive historical nomenclature, potentially hiding cryptic taxa. A straightforward interpretation of phylogenetic relationships within the section is further hindered by dominant but outdated concepts on historically identified hybrid taxa. is traditionally considered to be of hybrid origin, but the evidence for this is weak. Read More

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Aromatic Profile Variation of Essential Oil from Dried Makwhaen Fruit and Related Species.

Plants (Basel) 2021 Apr 19;10(4). Epub 2021 Apr 19.

Plant Bioactive Compound Laboratory (BAC Lab), Department of Plant and Soil Sciences, Faculty of Agriculture, Chiang Mai University, Chiang Mai 50200, Thailand.

The aim of this research is to evaluate the relationship between genotype, phenotype, and chemical profiles of essential oil obtained from available spp. Three specimens of makhwaen (MK) distributed in Northern Thailand were genetically and morphologically compared with other spices, known locally as huajiao (HJ) and makwoung (MKO), respectively. HJ was taxonomically confirmed as while MKO and MK were identified as and . Read More

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Extracellular and Intracellular Lanthanide Accumulation in the Methylotrophic Bacterium RH AL1.

Appl Environ Microbiol 2021 Jun 11;87(13):e0314420. Epub 2021 Jun 11.

Institute of Biodiversity, Aquatic Geomicrobiology, Friedrich Schiller University, Jena, Germany.

Recent work with Methylorubrum extorquens AM1 identified intracellular, cytoplasmic lanthanide storage in an organism that harnesses these metals for its metabolism. Here, we describe the extracellular and intracellular accumulation of lanthanides in the bacterium RH AL1, a newly isolated and recently characterized methylotroph. Using ultrathin-section transmission electron microscopy (TEM), freeze fracture TEM (FFTEM), and energy-dispersive X-ray spectroscopy, we demonstrated that strain RH AL1 accumulates lanthanides extracellularly at outer membrane vesicles (OMVs) and stores them in the periplasm. Read More

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Diversity and seasonality of host-seeking ticks in a periurban environment in the Central Midwest (USA).

PLoS One 2021 23;16(4):e0250272. Epub 2021 Apr 23.

Center for Vector-Borne and Emerging Infectious Diseases, Department of Veterinary Pathobiology, College of Veterinary Medicine, University of Missouri, Columbia, Missouri, United States of America.

Between March 2014 and February 2017, host-seeking ticks were collected during the late spring and summer months seasonally, and as well as continually through all seasons from several sites in a periurban environment in Pittsburg, Kansas, located in the Central Midwestern United States. All three post-emergent life-stages of Amblyomma americanum, and the adults of three other ticks viz. Dermacentor variabilis, A. Read More

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Parallel evolution of UbiA superfamily proteins into aromatic -prenyltransferases in plants.

Proc Natl Acad Sci U S A 2021 Apr;118(17)

Laboratory of Plant Gene Expression, Research Institute for Sustainable Humanosphere, Kyoto University, Uji 611-0011, Japan;

Plants produce ∼300 aromatic compounds enzymatically linked to prenyl side chains via C-O bonds. These -prenylated aromatic compounds have been found in taxonomically distant plant taxa, with some of them being beneficial or detrimental to human health. Although their -prenyl moieties often play crucial roles in the biological activities of these compounds, no plant gene encoding an aromatic -prenyltransferase (-PT) has been isolated to date. Read More

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Does the Dzungarian racerunner ( Orlova, Poyarkov, Chirikova, Nazarov, Munkhbaatar, Munkhbayar & Terbish, 2017) occur in China? Species delimitation and identification with DNA barcoding and morphometric analyses.

Zool Res 2021 May;42(3):287-293

Chengdu Institute of Biology, Chinese Academy of Sciences, Chengdu 610041, China.E-mail:

The species complex is a viviparous group in the genus , and a well-known representative of taxonomically complicated taxa. Within this complex, a new species - (Orlova et al., 2017) - has been described recently from western Mongolia and eastern Kazakhstan, with an apparent distribution gap in northwestern China. Read More

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Broadly sampled orthologous groups of eukaryotic proteins for the phylogenetic study of plastid-bearing lineages.

BMC Res Notes 2021 Apr 17;14(1):143. Epub 2021 Apr 17.

InBioS - PhytoSYSTEMS, Eukaryotic Phylogenomics, University of Liège, Liège, Belgium.

Objectives: Identifying orthology relationships among sequences is essential to understand evolution, diversity of life and ancestry among organisms. To build alignments of orthologous sequences, phylogenomic pipelines often start with all-vs-all similarity searches, followed by a clustering step. For the protein clusters (orthogroups) to be as accurate as possible, proteomes of good quality are needed. Read More

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Systematics of 'lithistid' tetractinellid demosponges from the Tropical Western Atlantic-implications for phylodiversity and bathymetric distribution.

PeerJ 2021 2;9:e10775. Epub 2021 Apr 2.

Department of Earth and Environmental Sciences, Ludwig-Maximilians-Universität München, Munich, Germany.

Background: Among all present demosponges, lithistids represent a polyphyletic group with exceptionally well-preserved fossils dating back to the Cambrian. Knowledge of their recent diversity, particularly in the Tropical Western Atlantic Ocean (TWA) where they are common in deep waters, is scarce making any comparison between present and past major 'lithistid' faunas difficult. In addition, the lack of sufficient molecular and morphological data hamper any predictions on phylogenetic relationships or phylodiversity from this region. Read More

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The aerobiome uncovered: Multi-marker metabarcoding reveals potential drivers of turn-over in the full microbial community in the air.

Environ Int 2021 Sep 12;154:106551. Epub 2021 Apr 12.

Wageningen Environmental Research, Wageningen University & Research, PO Box 47, 6700 AA Wageningen, the Netherlands.

Air is a major conduit for the dispersal of organisms at the local and the global scale. Most research has focused on the dispersal of plants, vertebrates and human disease agents. However, the air represents a key dispersal medium also for bacteria, fungi and protists. Read More

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September 2021

Mutation of P-element somatic inhibitor induces male sterility in the diamondback moth, Plutella xylostella.

Pest Manag Sci 2021 Jul 5;77(7):3588-3596. Epub 2021 May 5.

CAS Key Laboratory of Insect Developmental and Evolutionary Biology, CAS Center for Excellence in Molecular Plant Sciences/Institute of Plant Physiology and Ecology, Shanghai, China.

Background: Genetic manipulation of sex determination pathways in insects provides the basis for a broad range of strategies to benefit agricultural security and human health. The P-element somatic inhibitor (PSI) protein, an exon splicing silencer that promotes male-specific splicing of dsx, plays a critical role in male sexual differentiation and development. The functions of PSI have been characterized in the lepidopteran model species Bombyx mori. Read More

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The Oral Microbiome in Periodontal Health.

Front Cell Infect Microbiol 2021 22;11:629723. Epub 2021 Mar 22.

Institute of Microbiology, Academy of Sciences of the Czech Republic, Prague, Czechia.

The estimation of oral microbiome (OM) taxonomic composition in periodontally healthy individuals can often be biased because the clinically periodontally healthy subjects for evaluation can already experience dysbiosis. Usually, they are included just based on the absence of clinical signs of periodontitis. Additionally, the age of subjects is used to be higher to correspond well with tested groups of patients with chronic periodontitis, a disorder typically associated with aging. Read More

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Bioinspired Green Synthesis of Zinc Oxide Nanoparticles from a Native Strain RNT6: Characterization and Antibacterial Activity against Rice Panicle Blight Pathogens and .

Nanomaterials (Basel) 2021 Mar 30;11(4). Epub 2021 Mar 30.

State Key Laboratory of Rice Biology and Ministry of Agriculture Key Laboratory of Molecular Biology of Crop Pathogens and Insects, Institute of Biotechnology, Zhejiang University, Hangzhou 310058, China.

and are seed-borne rice pathogens that cause bacterial panicle blight (BPB) disease, resulting in huge rice yield losses worldwide. However, the excessive use of chemical pesticides in agriculture has led to an increase in environmental toxicity. Microbe-mediated nanoparticles (NPs) have recently gained significant attention owing to their promising application in plant disease control. Read More

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First Report of white root rot of hemp (Cannabis sativa L.) caused by Dematophora necatrix in Campania region (Southern Italy).

Plant Dis 2021 Apr 1. Epub 2021 Apr 1.

CREA, Cereal and Industrial crop Centre, Via Torrino, 2, 81100, Caserta, Naples, Naples, Italy, 80121.

Industrial hemp (Cannabis sativa L.) was cultivated in Italy until the end of the Second World War. Since then, it has been abandoned and substituted with other crops mainly due to legal restrictions and public concerns. Read More

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Bioprospecting of Soil-Derived Actinobacteria Along the Alar-Hotan Desert Highway in the Taklamakan Desert.

Front Microbiol 2021 15;12:604999. Epub 2021 Mar 15.

Department of Microbial Chemistry, Institute of Medicinal Biotechnology, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, China.

Taklamakan desert is known as the largest dunefield in China and as the second largest shifting sand desert in the world. Although with long history and glorious culture, the Taklamakan desert remains largely unexplored and numerous microorganisms have not been harvested in culture or taxonomically identified yet. The main objective of this study is to explore the diversity, novelty, and pharmacological potential of the cultivable actinomycetes from soil samples at various sites along the Alar-Hotan desert highway in the Taklamakan desert. Read More

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Microbial contamination of money sorting facilities.

Ann Agric Environ Med 2021 Mar 27;28(1):61-71. Epub 2021 Jan 27.

Central Institute for Labour Protection - National Research Institute (CIOP-PIB), Warsaw, Poland.

Introduction: Money is the most common item with which we have daily contact. Circulated banknotes and coins can become microbiologically contaminated and act as both a source and a means of spreading such pollutants.

Material And Methods: The study was carried out in three money sorting facilities in Poland. Read More

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Joá yellow blotch-associated virus, a new alphanucleorhabdovirus from a wild solanaceous plant in Brazil.

Arch Virol 2021 Jun 28;166(6):1615-1622. Epub 2021 Mar 28.

Departmento de Fitopatologia e Nematologia, ESALQ/USP, Piracicaba, SP, 13418-900, Brazil.

We identified a novel plant rhabdovirus infecting native joá (Solanum aculeatissimum) plants in Brazil. Infected plants showed yellow blotches on the leaves, and typical enveloped bacilliform rhabdovirus particles associated with the nucleus were seen in thin sections by electron microscopy. The virus could be graft-transmitted to healthy joá and tomato plants but was not mechanically transmissible. Read More

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The myxozoan minicollagen gene repertoire was not simplified by the parasitic lifestyle: computational identification of a novel myxozoan minicollagen gene.

BMC Genomics 2021 Mar 20;22(1):198. Epub 2021 Mar 20.

Institute of Parasitology, Biology Centre, Academy of Sciences of the Czech Republic, Ceske Budejovice, Czech Republic.

Background: Lineage-specific gene expansions represent one of the driving forces in the evolutionary dynamics of unique phylum traits. Myxozoa, a cnidarian subphylum of obligate parasites, are evolutionarily altered and highly reduced organisms with a simple body plan including cnidarian-specific organelles and polar capsules (a type of nematocyst). Minicollagens, a group of structural proteins, are prominent constituents of nematocysts linking Myxozoa and Cnidaria. Read More

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