151,176 results match your criteria seed


A high-efficient nano pesticide-fertilizer combination fabricated by amino acid-modified cellulose based carriers.

Pest Manag Sci 2021 Sep 22. Epub 2021 Sep 22.

Innovative Institute for Plant Health, Key Laboratory of Agricultural Green Fine Chemicals of Guangdong Higher Education Institution, School of Chemistry and Chemical Engineering, Zhongkai University of Agriculture and Engineering, Guangzhou, Guangdong, 510225, People's Republic of China.

Background: As the global population grows, large quantities of agrochemicals are used to secure food demand and there is an urgent need to develop efficient and environmentally friendly pesticides and fertilizers. Compared with traditional pesticides, nanopesticide formulations can achieve better foliar wettability, chemical stability, and water dispersibility without or with the minimal use of organic solvents, in line with the development of sustainable agriculture.

Results: In this research, glycidyl methacrylate (GMA) was used as an intermediate and glycine methyl ester (GLY) was used as an organic nitrogen source to modify carboxymethyl cellulose (CMC) to synthesize a pesticide nanocarrier CMC-PGMA-GLY. Read More

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September 2021

Tissue-resident macrophages promote early dissemination of multiple myeloma via IL-6 and TNFα.

Blood Adv 2021 Sep;5(18):3592-3608

Department of Pathology, Albert Einstein College of Medicine, Bronx, NY.

Multiple myeloma (MM) is a plasma cell malignancy characterized by the presence of multiple foci in the skeleton. These distinct tumor foci represent cycles of tumor growth and dissemination that seed new clusters and drive disease progression. By using an intratibial Vk*MYC murine myeloma model, we found that CD169+ radiation-resistant tissue-resident macrophages (MPs) were critical for early dissemination of myeloma and disease progression. Read More

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September 2021

Physiological and biochemical changes induced by Qiangdi nano-863 biological assistant growth apparatus during rice seed priming under temperature stress.

Braz J Biol 2021 15;83:e245206. Epub 2021 Sep 15.

China National Rice Research Institute, State Key Laboratory of Rice Biology, Hangzhou, China.

A huge amount of rice cultivation and consumption occur in Asia particularly in Pakistan and China. However, multiple abiotic stresses especially high and low-temperature proved to be a substantial threat for rice production ultimately risks for food security. To overcome various types of abiotic stress; seed priming is among the effective approaches to improve the rice seed germination and growth vigor. Read More

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September 2021

Reproductive Biology of Astragalus argaeus (Fabaceae), a critically endangered endemic species.

An Acad Bras Cienc 2021 20;93(suppl 3):e20201613. Epub 2021 Sep 20.

Erciyes University, Department of Biology, Science Faculty, Yenidoğan District, Turhan Baytop Street, 38039, Kayseri, Turkey.

Astragalus argaeus is an endemic plant species that is under critical risk of extinction. Here we investigated its population census, breeding system and reproductive success to determine the main factors affecting restricted distribution of this species. According to the results from pollination experiments, A. Read More

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September 2021

RNAi silencing of the Arabidopsis thaliana ULCS1 gene results in pleiotropic phenotypes during plant growth and development.

Int J Dev Biol 2021 Aug 9. Epub 2021 Aug 9.

Laboratory of Virology, Directorate of Phytopathology, Benaki Phytopathological Institute, Athens, Greece.

WD40-repeat-containing proteins (WDRs) are highly abundant in all eukaryotes. Several of them have been implicated as subunits of multi-protein CRL E3 ligase complexes that regulate ubiquitination mediated protein degradation and thus various cellular and developmental processes. Impairment of the WDR protein ULCS1 from Arabidopsis causes pleiotropic phenotypes during plant development, including reduced lignification, anther indehiscence, and sterility. Read More

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Global multi-environment resistance QTL for foliar late blight resistance in tetraploid potato with tropical adaptation.

G3 (Bethesda) 2021 Aug 5. Epub 2021 Aug 5.

International Potato Center, CIP, Lima 15024, Peru.

The identification of environmentally stable and globally predictable resistance to potato late blight is challenged by the clonal and polyploid nature of the crop and the rapid evolution of the pathogen. A diversity panel of tetraploid potato germplasm bred for multiple resistance and quality traits was genotyped by genotyping by sequencing (GBS) and evaluated for late blight resistance in three countries where the International Potato Center (CIP) has established breeding work. Health-indexed, in vitro plants of 380 clones and varieties were distributed from CIP headquarters and tuber seed was produced centrally in Peru, China, and Ethiopia. Read More

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Osmotic, osmovacuum, sonication, and osmosonication pretreatment on the infrared drying of Ginkgo seed slices: Mass transfer, mathematical modeling, drying, and rehydration kinetics and energy consumption.

J Food Sci 2021 Sep 21. Epub 2021 Sep 21.

School of Food and Biological Engineering, Jiangsu University, Zhenjiang, P. R. China.

This study evaluated the mass transfer, drying, and rehydration kinetics (drying and rehydration curve, moisture diffusivity [D ]), energy consumption (specific energy consumption [SEC], moisture extraction rate (MER), and specific moisture extraction rate [SMER]), and mathematical modeling of infrared dried Ginkgo biloba seed (GBS) using the various nonthermal pretreatments namely: osmotic (OS), osmovacuum (V + OS), ultrasound (US, ginkgo seed immersed in a distilled water with US), and osmosonication (US + OS, ginkgo seeds immersed in an OS solution with US). Results showed that various pretreatments affected mass transfer, drying, and rehydration characteristics, and energy consumption, which was confirmed by principal component analysis. In terms of mass transfer, US pretreatment recorded the highest weight loss while the osmosonication pretreatment registered the highest solid gain. Read More

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September 2021

Syntheses of -Type Zeolites with the Presence of Both Octyltrimethylammonium Chloride and -Type Zeolite Seeds.

ACS Omega 2021 Sep 2;6(36):23598-23606. Epub 2021 Sep 2.

School of Chemical Engineering, East China University of Science and Technology, Shanghai 200237, PR China.

Structure-directing agents (SDAs) play important roles in directing the formation of specific zeolite frameworks. Mechanisms and working hypothesis were proposed for understanding how SDAs work during the crystallization of zeolites. The lately reported cooperative structure-directing effect based on the investigation into the synthetic system containing both seed and organic species is one of them and is believed to be effective for synthesizing zeolites which are difficult to access or with novel structures. Read More

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September 2021

Adsorption of uremic toxins using biochar for dialysate regeneration.

Biomass Convers Biorefin 2021 Sep 16:1-13. Epub 2021 Sep 16.

Faculty of Chemical Engineering, Kunming University of Science and Technology, Kunming, China.

Numerous studies have shown that patients with COVID-19 have a high incidence of renal dysfunction. However, the dialysis supplies, including dialysates, are also severely inadequate in hospitals at the pandemic centers. Therefore, there is an urgent need to develop materials that can efficiently and rapidly remove toxins and thus regenerate dialysate to make this vital resource remains readily available. Read More

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September 2021

HTSQualC is a flexible and one-step quality control software for high-throughput sequencing data analysis.

Sci Rep 2021 Sep 21;11(1):18725. Epub 2021 Sep 21.

Texas A&M AgriLife Research and Extension Center, Texas A&M University, Weslaco, TX, USA.

Use of high-throughput sequencing (HTS) has become indispensable in life science research. Raw HTS data contains several sequencing artifacts, and as a first step it is imperative to remove the artifacts for reliable downstream bioinformatics analysis. Although there are multiple stand-alone tools available that can perform the various quality control steps separately, availability of an integrated tool that can allow one-step, automated quality control analysis of HTS datasets will significantly enhance handling large number of samples parallelly. Read More

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September 2021

Achieving broad absorption band and high incident angles by stochastically-distributed oblique-flat-sheet metamaterial perfect absorbers.

Sci Rep 2021 Sep 21;11(1):18713. Epub 2021 Sep 21.

Department of Materials Engineering, Ming Chi University of Technology, New Taipei, 24301, Taiwan, ROC.

In this work, we integrated a periodic seed layer and oblique deposition method to fabricate a stochastically-distributed oblique-flat-sheet metamaterial perfect absorber (MPA). Such design could increase its absorption bandwidth and tolerance to high angle-incidence due to the fact that various oblique flat sheets offer different resonance conditions while even a single oblique flat sheet could provide different optical paths for resonance. On the other hand, a seed layer could reduce uncertainty regarding to direct oblique deposition and provide abilities to manipulate the bandwidth of the MPA. Read More

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September 2021

IRON MAN interacts with BRUTUS to maintain iron homeostasis in .

Proc Natl Acad Sci U S A 2021 Sep;118(39)

CAS Key Laboratory of Tropical Plant Resources and Sustainable Use, Xishuangbanna Tropical Botanical Garden, The Innovative Academy of Seed Design, Chinese Academy of Sciences, Kunming, Yunnan 650223, China;

IRON MAN (IMA) peptides, a family of small peptides, control iron (Fe) transport in plants, but their roles in Fe signaling remain unclear. BRUTUS (BTS) is a potential Fe sensor that negatively regulates Fe homeostasis by promoting the ubiquitin-mediated degradation of bHLH105 and bHLH115, two positive regulators of the Fe deficiency response. Here, we show that IMA peptides interact with BTS. Read More

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September 2021

Revelation of candidate genes and molecular mechanism of reproductive seasonality in female rohu (Labeo rohita Ham.) by RNA sequencing.

BMC Genomics 2021 Sep 22;22(1):685. Epub 2021 Sep 22.

Centre for Agricultural Bioinformatics, ICAR-Indian Agricultural Statistics Research Institute, New Delhi, India.

Background: Carp fish, rohu (Labeo rohita Ham.) is important freshwater aquaculture species of South-East Asia having seasonal reproductive rhythm. There is no holistic study at transcriptome level revealing key candidate genes involved in such circannual rhythm regulated by biological clock genes (BCGs). Read More

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September 2021

Synthesis and characterization of gold nanorods coated by mesoporous silica MCM-41 as a platform bioapplication in photohyperthermia.

Nanotechnology 2021 Sep 21. Epub 2021 Sep 21.

Ciencia e Tecnologia de Materiais, Centro de Desenvolvimento da Tecnologia Nuclear (CDTN), Belo Horizonte City, Minas Gerais State, Caixa Postal 941, CEP 30123-970, Belo Horizonte, 31323970, BRAZIL.

Gold nanoparticles have been widely investigated for biomedical applications due to their optical properties. These particles present the interesting feature of absorbing light when stimulated with laser radiation to generate heating. Among the possible morphologies for synthetic gold nanoparticles, gold nanorods have properties of great interest for applications in the photohyperthermia processes. Read More

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September 2021

An alternative, zeaxanthin epoxidase-independent abscisic acid biosynthetic pathway in plants.

Mol Plant 2021 Sep 18. Epub 2021 Sep 18.

Biological and Environmental Sciences and Engineering Division, Center for Desert Agriculture, The BioActives Lab, King Abdullah University of Science and Technology, Thuwal, 23955-6900, Saudi Arabia. Electronic address:

Abscisic acid (ABA) is an important carotenoid-derived phytohormone that plays essential roles in plant response to biotic and abiotic stresses as well as in various physiological and developmental processes. In Arabidopsis, ABA biosynthesis starts with the epoxidation of zeaxanthin by the ABA DEFICIENT 1 (ABA1) enzyme, leading to epoxycarotenoids, e.g. Read More

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September 2021

Hardy Rolletschek.

Authors:

New Phytol 2021 Oct;232(2):476-478

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October 2021

Growth, yield and quality of two guar (Cyamopsis tetragonoloba L.) ecotypes affected by sowing date and planting density in a semi-arid area.

PLoS One 2021 21;16(9):e0257692. Epub 2021 Sep 21.

Department of Agronomy, Faculty of Agriculture, Tarbiat Modares University, Tehran, Iran.

The growth period, phenology, grain yield and gum content of two different guar ecotypes were studied in response to different sowing dates and plant densities. A two-year field experiment was conducted as a split-factorial in a randomized complete block design (RCBD) with three replicates in the research field of Tarbiat Modares University during 2016 and 2017 growing season. Main plots consisted of four sowing dates (May 21, June 4, June 21 and July 5 in 2016 and May 10, May 26, June 10 and June 26 in 2017), and subplots including three plant densities (13, 20 and 40 plants m-2) and two ecotypes (Pakistani and Indian). Read More

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September 2021

Overexpression of METAL TOLERANCE PROTEIN8 reveals new aspects of metal transport in Arabidopsis thaliana seeds.

Plant Biol (Stuttg) 2021 Sep 21. Epub 2021 Sep 21.

Plant Nutrition Laboratory, Institute of Agricultural and Nutritional Sciences, Martin Luther University Halle-Wittenberg, Halle (Saale), Germany.

METAL TOLERANCE PROTEIN8 (MTP8) of Arabidopsis thaliana is a member of the CATION DIFFUSION FACILITATOR (CDF) family of proteins that transports primarily manganese (Mn), but also iron (Fe). MTP8 mediates Mn allocation to specific cell types in the developing embryo, and Fe re-allocation as well as Mn tolerance during imbibition. We analysed if an overexpression of MTP8 driven by the CaMV 35S promoter has an effect on Mn tolerance during imbibition and on Mn and Fe storage in seeds, which would render it a biofortification target. Read More

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September 2021

The seeds of invasion: enhanced germination in invasive European populations of black locust (Robinia pseudoacacia L.) compared to native American populations.

Plant Biol (Stuttg) 2021 Sep 21. Epub 2021 Sep 21.

BIOGECO, INRAE, Univ. Bordeaux, Cestas, France.

Local adaptation and the evolution of phenotypic plasticity may facilitate biological invasions. Both processes can enhance germination and seedling recruitment, which are crucial life-history traits for plants. The rate, timing and speed of germination have recently been documented as playing a major role during the invasion process. Read More

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September 2021

Constraints on tree seedling establishment after fires: passing the germination bottlenecks.

Plant Biol (Stuttg) 2021 Sep 21. Epub 2021 Sep 21.

Departamento de Ecologia, Instituto de Ciências Biológicas, Universidade de Brasília, Campus Universitário Darcy Ribeiro, Brasília, Brazil.

Persistence and colonization by tree species in an environment following a fire depends on the effects on seed germination and seedling development. We used seeds of Kielmeyera coriacea and Qualea parviflora as a model to test the effects of high temperatures on germination and initial development of tree seedlings. We exposed the seeds to heat flow (70, 100, 130, 150 or 170 °C) for 2 or 5 min and compared the germination with that of unheated seeds (control). Read More

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September 2021

Different response of perennial ryegrass-Epichloë endophyte symbiota to the elevated concentration of heavy metals in soil.

J Appl Genet 2021 Sep 21. Epub 2021 Sep 21.

Department of Grasses, Legumes and Energy Plants, Plant Breeding and Acclimatization Institute National Research Institute, Radzików, Poland.

The phenomenon of plant mutualistic symbiosis with microbes may have a positive effect on the improvement of plant tolerance to environmental stresses as well as on the ability of plants to accumulate heavy metal (HM) ions from soil. The influence of Epichloë fungal endophyte (Ascomycota, Clavicipitaceae) on perennial ryegrass (Lolium perenne L.) plants grown in the presence of elevated concentrations of HM ions (Cd, Pb, and Cu) in soil was studied. Read More

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September 2021

Anticancer Effects of Vitis vinifera L. Mediated Biosynthesized Silver Nanoparticles and Cotreatment with 5 Fluorouracil on HT-29 Cell Line.

Biol Trace Elem Res 2021 Sep 21. Epub 2021 Sep 21.

Department of Health and Biomedical Sciences, Burdur Mehmet Akif Ersoy University, Burdur, Turkey.

The aim of this study was to evaluate the anticancer effects of biosynthesized silver nanoparticles (Vv-AgNPs) from grape (Vitis vinifera L.) seed aqueous extract, alone or in combination with 5-Fluorouracil (5-FU) on HT-29 cell line. Vv-AgNPs were characterized by techniques such as UV-vis spectrophotometer (surface plasmon peak 454 nm), scanning electron microscopy (SEM), and energy-dispersive X-ray spectroscopy (EDX). Read More

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September 2021

A genome-wide association study reveals that the cytochrome b5 involved in seed reserve mobilization during seed germination in rice.

Theor Appl Genet 2021 Sep 21. Epub 2021 Sep 21.

The Laboratory of Seed Science and Technology, Guangdong Key Laboratory of Plant Molecular Breeding, Guangdong Laboratory of Lingnan Modern Agriculture, State Key Laboratory for Conservation and Utilization of Subtropical Agro-Bioresources, South China Agricultural University, Guangzhou, 510642, China.

Key Message: A candidate gene cytochrome b5 for the major QTL qSRMP9 for rice seed reserve mobilization was validated during seed germination using a genome-wide association study approach. Seed reserve mobilization plays important roles in the early seedling growth in rice. However, the genetic basis underlying this process is poorly understood. Read More

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September 2021

Transcriptomics analysis of genes induced by melatonin related to glucosinolates synthesis in broccoli hairy roots.

Plant Signal Behav 2021 Sep 21:1952742. Epub 2021 Sep 21.

Basical Experimental Teaching Center, Gansu Agricultural University, Lanzhou, China.

Glucoraphanin (GRA) is found in the seeds and vegetative organs of broccoli ( L. var. Planch) as the precursor of anti-carcinogen sulforaphane (SF). Read More

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September 2021

Symbiotic germination and development of fully mycoheterotrophic plants convergently targeting similar Glomeraceae taxa.

Environ Microbiol 2021 Sep 20. Epub 2021 Sep 20.

Department of Biology, Graduate School of Science, Kobe University, Kobe, 657-8501, Hyogo, Japan.

Plants producing dust seeds often meet their carbon demands by exploiting fungi at the seedling stage. This germination strategy (i.e. Read More

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September 2021

Comparison of nutritional compositions of foxtail millet from the different cultivation regions by UPLC-Q-Orbitrap HRMS based metabolomics approach.

J Food Biochem 2021 Sep 20:e13940. Epub 2021 Sep 20.

Modern Research Center for Traditional Chinese Medicine, Shanxi University, Taiyuan, China.

Foxtail millet (Setaria italica (L.) P. Beauv) is cultivated throughout most parts of Shanxi province. Read More

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September 2021

Mass Spectrometry-Based Quantitative Cysteine Redox Proteome Profiling of Isolated Mitochondria Using Differential iodoTMT Labeling.

Methods Mol Biol 2022 ;2363:215-234

Institute of Plant Biology and Biotechnology, University of Münster, Münster, Germany.

Mitochondria are central hubs of redox biochemistry in the cell. An important role of mitochondrial carbon metabolism is to oxidize respiratory substrates and to pass the electrons down the mitochondrial electron transport chain to reduce oxygen and to drive oxidative phosphorylation. During respiration, reactive oxygen species are produced as a side reaction, some of which in turn oxidize cysteine thiols in proteins. Read More

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January 2022

Abnormal anther development leads to lower spikelet fertility in rice (Oryza sativa L.) under high temperature during the panicle initiation stage.

BMC Plant Biol 2021 Sep 20;21(1):428. Epub 2021 Sep 20.

National Key Laboratory of Crop Genetic Improvement, Ministry of Agriculture Key Laboratory of Crop Ecophysiology and Farming System in the Middle Reaches of the Yangtze River, College of Plant Science and Technology, Huazhong Agricultural University, Wuhan, China.

Background: Decreased spikelet fertility is often responsible for reduction in grain yield in rice (Oryza sativa L.). In this study, two varieties with different levels of heat tolerance, Liangyoupeijiu (LYPJ, heat susceptible) and Shanyou63 (SY63, heat tolerant) were subjected to two temperature treatments for 28 days during the panicle initiation stage in temperature/relative humidity-controlled greenhouses: high temperature (HT; 37/27 °C; day/night) and control temperature (CK; 31/27 °C; day/night) to investigate changes in anther development under HT during panicle initiation and their relationship with spikelet fertility. Read More

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September 2021