10,171 results match your criteria response abiotic

Integration of mRNA and miRNA analysis reveals the molecular mechanism of potato (Solanum tuberosum L.) response to alkali stress.

Int J Biol Macromol 2021 Apr 17. Epub 2021 Apr 17.

College of Horticulture, Gansu Agricultural University, Lanzhou 730070, China; Gansu Provincial Key Laboratory of Aridland Crop Science, Lanzhou 730070, China. Electronic address:

The continuing increase in the global saline-alkali land area has made saline-alkali stress the principal abiotic stress limiting plant growth. Potato is the most important non-grain crop, and its production is also severely limited by saline-alkali stress. However, few studies have addressed the mechanism of saline-alkali tolerance of potato with a focus on its response to neutral salt NaCl stress, or its response to alkali stress. Read More

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Genome-wide analysis of SET-domain group histone methyltransferases in apple reveals their role in development and stress responses.

BMC Genomics 2021 Apr 19;22(1):283. Epub 2021 Apr 19.

State Key Laboratory of Crop Stress Biology for Arid Areas/Shaanxi Key Laboratory of Apple, College of Horticulture, Northwest A&F University, Yangling, 712100, Shaanxi, China.

Background: Histone lysine methylation plays an important role in plant development and stress responses by activating or repressing gene expression. Histone lysine methylation is catalyzed by a class of SET-domain group proteins (SDGs). Although an increasing number of studies have shown that SDGs play important regulatory roles in development and stress responses, the functions of SDGs in apple remain unclear. Read More

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Vernalization response of wild chickpea.

New Phytol 2002 Jun;154(3):695-701

Department of Plant Sciences, The University of Western Australia, Nedlands, WA 6907, Australia.

• Response to low temperature during early growth in cultivated chickpea (Cicer arietinum) and its wild progenitor C. reticulatum was investigated to clarify the evolutionary processes under domestication in this crop. • Parental lines and their F and F progeny were exposed to cold treatment (4°C) for 30°d after seed imbibition and compared with controls. Read More

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Unravelling response-specificity in Ca signalling pathways in plant cells.

New Phytol 2001 Jul;151(1):7-33

Wolfson Laboratory for Plant Molecular Biology, School of Biosciences, University of Birmingham, Edgbaston, Birmingham, B15 2TT, UK.

Considerable advances have been made, both in the technologies available to study changes in intracellular cytosolic free Ca ([Ca ] ), and in our understanding of Ca signalling cascades in plant cells, but how specificity can be generated from such a ubiquitous component as Ca is questionable. Recently the concept of 'Ca signatures' has been formulated; tight control of the temporal and spatial characteristics of alterations in [Ca ] signals is thought to be responsible, at least in part, for the specificity of the response. However, the way in which Ca signatures are decoded, which depends on the nature and location of the targets of the Ca signals, has received little attention. Read More

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Trehalose and α-glucan mediate distinct abiotic stress responses in Pseudomonas aeruginosa.

PLoS Genet 2021 Apr 19;17(4):e1009524. Epub 2021 Apr 19.

Department of Molecular Microbiology, John Innes Centre, Norwich, United Kingdom.

An important prelude to bacterial infection is the ability of a pathogen to survive independently of the host and to withstand environmental stress. The compatible solute trehalose has previously been connected with diverse abiotic stress tolerances, particularly osmotic shock. In this study, we combine molecular biology and biochemistry to dissect the trehalose metabolic network in the opportunistic human pathogen Pseudomonas aeruginosa PAO1 and define its role in abiotic stress protection. Read More

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Time of day prioritizes the pool of translating mRNAs in response to heat stress.

Plant Cell 2021 Apr 19. Epub 2021 Apr 19.

Department of Botany and Plant Sciences, University of California, Riverside, Riverside, California, USA.

The circadian clock helps organisms to anticipate and coordinate gene regulatory responses to changes in environmental stimuli. Under growth limiting temperatures, time of day modulates the accumulation of polyadenylated mRNAs. In response to heat stress, plants will conserve energy and selectively translate mRNAs. Read More

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Functional Analysis of and in Response to Biotic and Abiotic Stresses in Rice.

Front Plant Sci 2021 31;12:652453. Epub 2021 Mar 31.

College of Life Science, Taizhou University, Taizhou, China.

Mediator complex is a multiprotein complex that regulates RNA polymerase II-mediated transcription. Moreover, it functions in several signaling pathways, including those involved in response to biotic and abiotic stresses. We used virus-induced gene silencing (VIGS) to study the functions of two genes, namely and in response to biotic and abiotic stresses in rice. Read More

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Thymidylyltransferase RmlA Is Negatively Regulated by Ser/Thr Protein Kinase PknB.

Front Microbiol 2021 31;12:643951. Epub 2021 Mar 31.

Key Laboratory of Systems Biomedicine (Ministry of Education), Shanghai Center for Systems Biomedicine, Shanghai Jiao Tong University, Shanghai, China.

Ser/Thr phosphorylation by serine/threonine protein kinases (STPKs) plays significant roles in molecular regulation, which allows to adapt their cell wall structure in response to the environment changes. Identifying direct targets of STPKs and determining their activities are therefore critical to revealing their function in , for example, in cell wall formation and virulence. Herein, we reported that RmlA, a crucial L-rhamnose biosynthesis enzyme, is a substrate of STPK PknB in (). Read More

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An Overview of Morpho-Physiological, Biochemical, and Molecular Responses of Sorghum Towards Heavy Metal Stress.

Rev Environ Contam Toxicol 2021 Apr 19. Epub 2021 Apr 19.

Department of Biotechnology, Institute of Engineering and Technology, Dr. A.P.J. Abdul Kalam Technical University, Lucknow, Uttar Pradesh, India.

Heavy metal (HM) contamination is a serious global environmental crisis. Over the past decade, industrial effluents, modern agricultural practices, and other anthropogenic activities have significantly depleted the soil environment. In plants, metal toxicity leads to compromised growth, development, productivity, and yield. Read More

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Genome-wide characterization and expression analysis of TOPP-type protein phosphatases in soybean (Glycine max L.) reveal the role of GmTOPP13 in drought tolerance.

Genes Genomics 2021 Apr 17. Epub 2021 Apr 17.

College of Life Science, Northeast Agricultural University, Harbin, 150030, China.

Background: In response to various abiotic stressors such as drought, many plants engage different protein phosphatases linked to several physiological and developmental processes. However, comprehensive analysis of this gene family is lacking for soybean.

Objective: This study was performed to identify the TOPP-type protein phosphatase family in soybean and investigate the gene's role under drought stress. Read More

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Genome-wide identification and comparative analysis of the WRKY gene family in aquatic plants and their response to abiotic stresses in giant duckweed (Spirodela polyrhiza).

Genomics 2021 Apr 13. Epub 2021 Apr 13.

The State Key Laboratory of Freshwater Ecology and Biotechnology, The Key Laboratory of Aquatic Biodiversity and Conservation of Chinese Academy of Sciences, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan 430072, Hubei, China; University of Chinese Academy of Sciences, Beijing 100049, China. Electronic address:

WRKY is one of the largest transcription factor families across higher plant species and is involved in important biological processes and plant responses to various biotic/abiotic stresses. However, only a few investigations on WRKYs have been conducted in aquatic plants. This study first systematically analyzed the gene structure, protein properties, and phylogenetic relationship of 693 WRKYs in nine aquatic and two wetland plants at the genome-wide level. Read More

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Hydrogen sulfide-An emerging signalling molecule regulating drought stress response in plants.

Physiol Plant 2021 Apr 16. Epub 2021 Apr 16.

Division of Plant Physiology, ICAR-Indian Agricultural Research Institute, New Delhi, India.

Hydrogen sulfide (H S) is a small, reactive signalling molecule that is produced within chloroplasts of plant cells as an intermediate in the assimilatory sulfate reduction pathway by the enzyme sulfite reductase. Additionally, H S is also produced in cytosol and mitochondria by desulfhydration of L-cysteine catalyzed by L-cysteine desulfhydrase (DES1) in the cytosol and from β-cyanoalanine in mitochondria, in a reaction catalyzed by β-cyano-Ala synthase C1 (CAS-C1). H S exerts its numerous biological functions by post-translational modification involving oxidation of cysteine residues (RSH) to persulfides (RSSH). Read More

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WRKY transcription factors and plant defense responses: latest discoveries and future prospects.

Plant Cell Rep 2021 Apr 15. Epub 2021 Apr 15.

Division of Biotechnology, CSIR-Institute of Himalayan Bioresource Technology, Palampur, Himachal Pradesh, 176061, India.

Key Message: WRKY transcription factors are among the largest families of transcriptional regulators. In this review, their pivotal role in modulating various signal transduction pathways during biotic and abiotic stresses is discussed. Transcription factors (TFs) are important constituents of plant signaling pathways that define plant responses against biotic and abiotic stimuli besides playing a role in response to internal signals which coordinate different interacting partners during developmental processes. Read More

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Acute cadmium toxicity and post-stress recovery: Insights into coordinated and integrated response/recovery strategies of Anabaena sp. PCC 7120.

J Hazard Mater 2021 Jun 13;411:124822. Epub 2020 Dec 13.

Department of Botany, Centre of Advanced Study in Botany, Institute of Science, Banaras Hindu University, Varanasi 221005, India. Electronic address:

Cyanobacteria, the first photoautotrophs have remarkable adaptive capabilities against most abiotic stresses, including Cd. A model cyanobacterium, Anabaena sp. PCC 7120 has been commonly used to understand cyanobacterial plasticity under different environmental stresses. Read More

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Classical Phenotyping and Deep Learning Concur on Genetic Control of Stomatal Density and Area in Sorghum.

Plant Physiol 2021 Apr 15. Epub 2021 Apr 15.

Department of Agronomy, Kansas State University, Manhattan, KS, 66506, USA.

Stomatal density (SD) and stomatal complex area (SCA) are important traits that regulate gas exchange and abiotic stress response in plants. Despite sorghum (Sorghum bicolor) adaptation to arid conditions, the genetic potential of stomata-related traits remains unexplored due to challenges in available phenotyping methods. Hence, identifying loci that control stomatal traits is fundamental to designing strategies to breed sorghum with optimized stomatal regulation. Read More

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Systematic analysis of JmjC gene family and stress--response expression of KDM5 subfamily genes in .

PeerJ 2021 31;9:e11137. Epub 2021 Mar 31.

Key Laboratory of Crop Epigenetic Regulation and Development, Hunan Province, Changsha, China.

Background: Jumonji C (JmjC) proteins exert critical roles in plant development and stress response through the removal of lysine methylation from histones. which originated from spontaneous hybridization by and , is the most important oilseed crop after soybean. In JmjC proteins of species, the structure and function and its relationship with the parents and model plant remain uncharacterized. Read More

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Transcriptome analysis revealed gene regulatory network involved in PEG-induced drought stress in Tartary buckwheat ().

PeerJ 2021 31;9:e11136. Epub 2021 Mar 31.

Guizhou Normal University, Research Center of Guizhou Buckwheat Engineering and Technology, Research Center of Buckwheat Industry Technology, Guiyang, Guizhou, P.R. China.

Tartary buckwheat is a nutritious pseudo-cereal crop that is resistant to abiotic stresses, such as drought. However, the buckwheat's mechanisms for responding to drought stress remains unknown. We investigated the changes in physiology and gene expression under drought stress, which was simulated by treatment with polyethylene glycol (PEG). Read More

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Transcriptome-wide and expression analysis of the NAC gene family in pepino () during drought stress.

PeerJ 2021 29;9:e10966. Epub 2021 Mar 29.

Qinghai Key Laboratory of Vegetable Genetics and Physiology, Agriculture and Forestry Sciences Institute of Qinghai University, Qinghai University, Xining, P.R. China.

(Pepino) is an increasingly popular solanaceous crop and is tolerant of drought conditions. In this study, 71 NAC transcription factor family genes of were selected to provide a theoretical basis for subsequent in-depth study of their regulatory roles in the response to biological and abiotic stresses, and were subjected to whole-genome analysis. The NAC sequences obtained by transcriptome sequencing were subjected to bioinformatics prediction and analysis. Read More

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Identification of the trehalose-6-phosphate synthase gene family in Medicago truncatula and expression analysis under abiotic stresses.

Gene 2021 Apr 10:145641. Epub 2021 Apr 10.

College of Biological Sciences and Engineering, Jiangxi Agricultural University, Nanchang, 330045, PR China. Electronic address:

Trehalose-6-phosphate synthase (TPS) exerts important functions related to plant desiccation tolerance and responses to environmental stimuli. However, in Medicago truncatula, the TPS family has not been reported to date. This study found 11 MtTPS genes in the genome of M. Read More

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The temporal development of plant-soil feedback is contingent on competition and nutrient availability contexts.

Petr Dostál

Oecologia 2021 Apr 13. Epub 2021 Apr 13.

Institute of Botany, The Czech Academy of Sciences, 252 43, Průhonice, Czech Republic.

Strength and direction of plant-soil feedback (PSF), the reciprocal interactions between plants and soil, can change over time and have distinct effects on different life stages. PSF and its temporal development can also be modified by external biotic and abiotic factors such as competition and resource availability, yet most PSF research is conducted in simple experimental settings without considering temporal changes. Here I have studied the effect of different competitive settings (intraspecific, interspecific, and no competition) and nutrient addition on the magnitude and direction of biomass-based PSF (performance in conspecific relative to heterospecific inoculum) across 46 grassland species, estimated at the 4th, 10th, and 13th month of the response phase. Read More

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Early responses to salt stress in quinoa genotypes with opposite behaviour.

Physiol Plant 2021 Apr 13. Epub 2021 Apr 13.

Department of Agriculture, Food, Environment and Forestry (DAGRI), University of Florence, Florence, Italy.

Soil salinity is among the major abiotic stresses that plants must cope with, mainly in arid and semiarid regions. The tolerance to high salinity is an important agronomic trait to sustain food production. Quinoa is a halophytic annual pseudo-cereal species with high nutritional value that can secrete salt out of young leaves in external non-glandular cells called epidermal bladder cells (EBC). Read More

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Stress-induced reactive oxygen species compartmentalization, perception and signalling.

Nat Plants 2021 Apr 12;7(4):403-412. Epub 2021 Apr 12.

Department of Plant Pathology, University of California, Davis, Davis, CA, USA.

Reactive oxygen species (ROS) are essential for life and are involved in the regulation of almost all biological processes. ROS production is critical for plant development, response to abiotic stresses and immune responses. Here, we focus on recent discoveries in ROS biology emphasizing abiotic and biotic stress responses. Read More

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Interactive Effects of Mycorrhizae, Soil Phosphorus, and Light on Growth and Induction and Priming of Defense in .

Front Plant Sci 2021 23;12:647372. Epub 2021 Mar 23.

Department of Terrestrial Ecology, Netherlands Institute of Ecology (NIOO-KNAW), Wageningen, Netherlands.

Increasing demands to reduce fertilizer and pesticide input in agriculture has triggered interest in arbuscular mycorrhizal fungi (AMF) that can enhance plant growth and confer mycorrhiza-induced resistance (MIR). MIR can be based on a variety of mechanisms, including induction of defense compounds, and sensitization of the plant's immune system (priming) for enhanced defense against later arriving pests or pathogens signaled through jasmonic acid (JA). However, growth and resistance benefits of AMF highly depend on environmental conditions. Read More

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Modulation of Abiotic Stress Responses in Rice by E3-Ubiquitin Ligases: A Promising Way to Develop Stress-Tolerant Crops.

Front Plant Sci 2021 23;12:640193. Epub 2021 Mar 23.

Instituto de Tecnologia Química e Biológica António Xavier, Universidade NOVA de Lisboa, Oeiras, Portugal.

Plants are unable to physically escape environmental constraints and have, therefore, evolved a range of molecular and physiological mechanisms to maximize survival in an ever-changing environment. Among these, the post-translational modification of ubiquitination has emerged as an important mechanism to understand and improve the stress response. The ubiquitination of a given protein can change its abundance (through degradation), alter its localization, or even modulate its activity. Read More

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Environmental variables influence the developmental stages of the citrus leafminer, infestation level and mined leaves physiological response of Kinnow mandarin.

Sci Rep 2021 Apr 8;11(1):7720. Epub 2021 Apr 8.

Department of Environmental Sciences, Pir Mehr Ali Shah- Arid Agriculture University Rawalpindi, Rawalpindi, Pakistan.

Climate change has not only exacerbated abiotic stress, but has also rendered external conditions more feasible for pests to spread and infest citrus fruit. Citrus leafminer (Phyllocnistis citrella) is a potential pest that directly feeds the newly sprouted leaves and twigs of all three spring, summer and autumn flushes. Increasing temperatures in spring and autumn, leafminer accrued more heat units or developmental degree days to accelerate the biological stages of its life-cycle, thereby increasing the pressure of infestation. Read More

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A comparison of shared patterns of differential gene expression and gene ontologies in response to water-stress in roots and leaves of four diverse genotypes of Lolium and Festuca spp. temperate pasture grasses.

PLoS One 2021 8;16(4):e0249636. Epub 2021 Apr 8.

Institute of Biological, Environmental and Rural Sciences, Aberystwyth University, Aberystwyth, Ceredigion, United Kingdom.

Ryegrasses (Lolium spp.) and fescues (Festuca spp.) are closely related and widely cultivated perennial forage grasses. Read More

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Plasticity in response to plant-plant interactions and water availability.

Ecology 2021 Apr 7:e03361. Epub 2021 Apr 7.

Division of Biological Sciences and the Institute on Ecosystems, University of Montana, Missoula, MT, 59812, USA.

The plastic responses of plants to abiotic and biotic environmental factors have generally been addressed separately, thus we have a poor understanding of how these factors interact. For example, little is known about the effects of plant-plant interactions on the plasticity of plants in response to water availability. Furthermore, few studies have compared the effects of intra- and interspecific interactions on plastic responses to abiotic factors. Read More

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Grape Berry Secondary Metabolites and Their Modulation by Abiotic Factors in a Climate Change Scenario-A Review.

Front Plant Sci 2021 22;12:643258. Epub 2021 Mar 22.

Faculty of Land and Food Systems, Wine Research Centre, The University of British Columbia, Vancouver, BC, Canada.

Temperature, water, solar radiation, and atmospheric CO concentration are the main abiotic factors that are changing in the course of global warming. These abiotic factors govern the synthesis and degradation of primary (sugars, amino acids, organic acids, etc.) and secondary (phenolic and volatile flavor compounds and their precursors) metabolites directly, via the regulation of their biosynthetic pathways, or indirectly, via their effects on vine physiology and phenology. Read More

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SPL36 Encodes a Receptor-like Protein Kinase that Regulates Programmed Cell Death and Defense Responses in Rice.

Rice (N Y) 2021 Apr 7;14(1):34. Epub 2021 Apr 7.

State Key Laboratory of Rice Biology, China National Rice Research Institute, Hangzhou, 310006, China.

Lesion mimic mutants spontaneously produce disease spots in the absence of biotic or abiotic stresses. Analyzing lesion mimic mutants' sheds light on the mechanisms underlying programmed cell death and defense-related responses in plants. Here, we isolated and characterized the rice (Oryza sativa) spotted leaf 36 (spl36) mutant, which was identified from an ethyl methanesulfonate-mutagenized japonica cultivar Yundao population. Read More

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A step towards the validation of bacteria biotic indices using DNA metabarcoding for benthic monitoring.

Mol Ecol Resour 2021 Apr 7. Epub 2021 Apr 7.

King Abdullah University of Science and Technology (KAUST), Red Sea Research Center (RSRC), Biological and Environmental Sciences and Engineering (BESE), Thuwal, 23955-6900, Saudi Arabia.

Environmental genomics is a promising field for monitoring biodiversity in a timely fashion. Efforts have increasingly been dedicated to the use of bacteria DNA derived data to develop biotic indices for benthic monitoring. However, a substantial debate exists about whether bacteria-derived data using DNA metabarcoding should follow, for example, a taxonomy-based or a taxonomy-free approach to marine bioassessments. Read More

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