306,410 results match your criteria abiotic stress


The neuroimmune response during stress: A physiological perspective.

Immunity 2021 Sep;54(9):1933-1947

Department of immunology, Rappaport Faculty of Medicine, Technion - Israel Institute of Technology, Haifa 3525422, Israel. Electronic address:

Stress is an essential adaptive response that enables the organism to cope with challenges and restore homeostasis. Different stressors require distinctive corrective responses in which immune cells play a critical role. Hence, effects of stress on immunity may vary accordingly. Read More

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September 2021

Increased fidelity of protein synthesis extends lifespan.

Cell Metab 2021 Sep 8. Epub 2021 Sep 8.

UCL Cancer Institute, Paul O'Gorman Building, University College London, 72 Huntley Street, London WC1E 6DD, UK; Department of Medical Physics and Biomedical Engineering, University College London, Malet Place Engineering Building, Gower Street, London WC1E 6BT, UK. Electronic address:

Loss of proteostasis is a fundamental process driving aging. Proteostasis is affected by the accuracy of translation, yet the physiological consequence of having fewer protein synthesis errors during multi-cellular organismal aging is poorly understood. Our phylogenetic analysis of RPS23, a key protein in the ribosomal decoding center, uncovered a lysine residue almost universally conserved across all domains of life, which is replaced by an arginine in a small number of hyperthermophilic archaea. Read More

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September 2021

Connecting post-release mortality to the physiological stress response of large coastal sharks in a commercial longline fishery.

PLoS One 2021 15;16(9):e0255673. Epub 2021 Sep 15.

Center for Shark Research, Mote Marine Laboratory, Sarasota, Florida, United States of America.

Bycatch mortality is a major factor contributing to shark population declines. Post-release mortality (PRM) is particularly difficult to quantify, limiting the accuracy of stock assessments. We paired blood-stress physiology with animal-borne accelerometers to quantify PRM rates of sharks caught in a commercial bottom longline fishery. Read More

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September 2021

Negative parenting and functions of relational aggression: The moderating roles of gender and physiological reactivity.

Aggress Behav 2021 Sep 15. Epub 2021 Sep 15.

Department of Psychological Science, University of Vermont, Burlington, Vermont, USA.

Dimensions of negative parenting, including permissive, authoritarian, and psychologically controlling parenting behaviors, are associated with children's engagement in relational aggression. However, some youth may be more strongly influenced by negative parenting than others, and effects may depend on whether aggression is proactive or reactive in function. In a community sample of 236 preadolescent children followed over 1 year, we examined whether children's skin conductance level reactivity (an index of "fight or flight" response) and gender moderated links between parents' self-reported negative parenting behaviors and increases in children's teacher-reported proactive and reactive relational aggression. Read More

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September 2021

Light signals counteract alterations caused by simulated microgravity in proliferating plant cells.

Am J Bot 2021 Sep 15. Epub 2021 Sep 15.

Centro de Investigaciones Biológicas Margarita Salas - CSIC, Ramiro de Maeztu 9, Madrid, 28040, Spain.

Premise: Light and gravity are fundamental cues for plant development. Our understanding of the effects of light stimuli on plants in space, without gravity, is key to providing conditions for plants to acclimate to the environment. Here we tested the hypothesis that the alterations caused by the absence of gravity in root meristematic cells can be counteracted by light. Read More

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September 2021

Morphological, Biochemical, and Proteomic Studies Revealed Impact of Fe and P Crosstalk on Root Development in Phaseolus vulgaris L.

Appl Biochem Biotechnol 2021 Sep 15. Epub 2021 Sep 15.

Division of Agricultural Statistics, Sher-E-Kashmir University of Agricultural Sciences & Technology of Kashmir, Shalimar, Srinagar, Jammu & Kashmir, India.

Mineral stress is one of the major abiotic stresses faced by crop plants. The present study was undertaken to investigate the impact of mineral stress (iron (Fe) and phosphorus (P)) on various morphological and biochemical responses of the shoot and root tissues and root architecture of common bean (Phaseolus vulgaris L.). Read More

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September 2021

Effects of FW2 Nanoparticles Toxicity in a New In Vitro Pulmonary Vascular Cells Model Mimicking Endothelial Dysfunction.

Cardiovasc Toxicol 2021 Sep 15. Epub 2021 Sep 15.

University of Bordeaux, Centre de Recherche Cardio-Thoracique de Bordeaux, U 1045, 33000, Bordeaux, France.

Several epidemiological studies have revealed the involvement of nanoparticles (NPs) in respiratory and cardiovascular mortality. In this work, the focus will be on the effect of manufactured carbon black NPs for risk assessment of consumers and workers, as human exposure is likely to increase. Since the pulmonary circulation could be one of the primary targets of inhaled NPs, patients suffering from pulmonary hypertension (PH) could be a population at risk. Read More

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September 2021

Arsenic-induced oxidative stress in Brassica oleracea: Multivariate and literature data analyses of physiological parameters, applied levels and plant organ type.

Environ Geochem Health 2021 Sep 15. Epub 2021 Sep 15.

Centre d'Etude et de Recherche Travail Organisation Pouvoir (CERTOP), UMR5044, Université J. Jaurès - Toulouse II, 5 allée Machado A, 31058cedex 9, Toulouse, France.

Plant redox homeostasis governs the uptake, toxicity and tolerance mechanism of toxic trace elements and thereby elucidates the remediation potential of a plant. Moreover, plant toxicity/tolerance mechanisms control the trace element compartmentation in edible and non-edible plant organs as well as the associated health hazards. Therefore, it is imperative to unravel the cellular mechanism involved in trace element toxicity and tolerance. Read More

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September 2021

Glycinebetaine: a versatile protectant to improve rice performance against aluminium stress by regulating aluminium uptake and translocation.

Plant Cell Rep 2021 Sep 15. Epub 2021 Sep 15.

College of Life Sciences, State Key Laboratory of Crop Biology, Shandong Key Laboratory of Crop Biology, Shandong Agricultural University, Taian, 271018, Shandong, China.

Key Message: Glycinebetaine alleviates the detrimental effects of aluminium stress by regulating aluminium uptake and translocation, maintaining PSII activity, and activating the oxidative defence, thereby maintaining the growth and development of rice. Aluminium (Al) toxicity is one of the primary growth-limiting factors that limits plant growth and crop productivity in acidic soils. Rice (Oryza sativa L. Read More

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September 2021

Mitochondrial disease, mitophagy, and cellular distress in methylmalonic acidemia.

Cell Mol Life Sci 2021 Sep 15. Epub 2021 Sep 15.

Division of Metabolism and Children's Research Center, University Children's Hospital Zurich, University of Zurich, 8032, Zurich, Switzerland.

Mitochondria-the intracellular powerhouse in which nutrients are converted into energy in the form of ATP or heat-are highly dynamic, double-membraned organelles that harness a plethora of cellular functions that sustain energy metabolism and homeostasis. Exciting new discoveries now indicate that the maintenance of this ever changing and functionally pleiotropic organelle is particularly relevant in terminally differentiated cells that are highly dependent on aerobic metabolism. Given the central role in maintaining metabolic and physiological homeostasis, dysregulation of the mitochondrial network might therefore confer a potentially devastating vulnerability to high-energy requiring cell types, contributing to a broad variety of hereditary and acquired diseases. Read More

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September 2021

Repeated stimulation of the HPA axis alters white blood cell counts without increasing oxidative stress or inflammatory cytokines in fasting elephant seal pups.

J Exp Biol 2021 Sep 15. Epub 2021 Sep 15.

Department of Integrative Biology, University of California, Berkeley, USA.

The hypothalamic-pituitary-adrenal (HPA) axis controls the release of glucocorticoids, which regulate immune and inflammatory function by modulating cytokines, white blood cells (WBCs), and oxidative stress via glucocorticoid receptor (GR) signaling. Although the response to HPA activation is well characterized in many species, little is known about the impacts of HPA activation during extreme physiological conditions. Hence, we challenged 18 simultaneously fasting and developing elephant seal pups with daily intramuscular injections of adrenocorticotropin (ACTH), a GR antagonist (RU486), or a combination (ACTH+RU486) for four days (4d). Read More

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September 2021

Transcriptome-wide m6A methylation profile reveals regulatory networks in roots of barley under cadmium stress.

J Hazard Mater 2021 Sep 5;423(Pt A):127140. Epub 2021 Sep 5.

Department of Agronomy, Key Laboratory of Crop Germplasm Resource of Zhejiang Province, Zhejiang University, Hangzhou 310058, China.

Cadmium (Cd) pollutants restrict crop yield and food security in long-term agricultural activities. Crops have evolved adaptive strategies under Cd condition, however, the transcriptional regulatory mechanism of Cd-tolerant genes remains to be largely illustrated. In this study, barley roots were exposed to 5 µM CdCl for physiological response and transcriptome-wide m6A methylation profile. Read More

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September 2021

An assessment of integrated amendments of biochar and soil replacement on the phytotoxicity of metal(loid)s in rotated radish-soya bean-amaranth in a mining acidy soil.

Chemosphere 2021 Aug 30;287(Pt 1):132082. Epub 2021 Aug 30.

School of Environment, South China Normal University, Guangzhou, 510006, China. Electronic address:

Knowledge is insufficient on feasible remediation techniques to agricultural soils contaminated by multiple heavy metal(loid)s with elevated concentrations and extreme acidy from acid mine drainages (AMD). We aimed to elucidate the effect of integrated biochar (BC) and soil replacement on improving the mining soil properties and then alleviating the phytotoxicity of As, Pb, Cd, Cu, and Zn on radish (Raphanus sativus L.)-soya bean (Glycine max Merr. Read More

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The changes in Lemna minor metabolomic profile: A response to diclofenac incubation.

Chemosphere 2021 Aug 28;287(Pt 1):132078. Epub 2021 Aug 28.

Chair of Urban Water Systems Engineering, Technical University of Munich, Am Coulombwall 3, 85748, Garching, Germany; Analytisches Forschungsinstitut für Non-Target Screening GmbH (AFIN-TS), Am Mittleren Moos 48, 86167, Augsburg, Germany.

Metabolomics is an emerging approach that investigates the changes in the metabolome profile. In the present study, Lemna minor -considered as an experimental aquatic plant model- was incubated with 10 and 100 μM diclofenac (DCF) for 96 h, respectively. Knowing that DCF is internationally often problematic in wastewater effluents and that it might affect particularly the metabolic profiles in aquatic plants, mainly the oxidoreductase, dehydrogenase, peroxidase, and glutathione reductase activities, here it was hypothesized (H) that in the common duckweed, DCF might increase the phenolic and flavonoids pathways, as an antioxidant response to this stress (H1). Read More

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Salicylic acid induces tolerance of Vitisriparia×V.labrusca to chilling stress by altered photosynthetic, antioxidant mechanisms and expression of cold stress responsive genes.

Plant Signal Behav 2021 Sep 15:1973711. Epub 2021 Sep 15.

Key Laboratory of Arid Land Crop Science of Gansu Province, College of Life Science and Technology,Gansu Agricultural University,Lanzhou,China.

The yield and quality of wine grapes are severely persecuted by low-temperaturestresses. Salicylic acid (SA) assists plants in coping with abiotic stresses such as drought, heavy metal toxicity, and osmotic stress. The objective of this study was to evaluate the effect of foliar spraying of different concentrations of SA on the mitigation of cold damage in grapes, which is useful for the cultivation of wine grapes. Read More

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September 2021

Demoralization syndrome among cardiac transplant recipients.

J Clin Nurs 2021 Sep 14. Epub 2021 Sep 14.

College of Nursing and Health Sciences, Da-Yeh University, Changhua, Taiwan.

Aims And Objectives: To investigate the characteristics and prevalence of demoralisation syndrome among heart transplantation patients in Taiwan.

Background: Patients with end-stage heart failure who have undergone cardiac transplantation are at risk of demoralisation syndrome. Demoralisation syndrome has been studied in cancer populations, but our understanding of the syndrome among heart transplant recipients is limited. Read More

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September 2021

Narrow vessels cavitate first during a simulated drought in Eucalyptus camaldulensis.

Physiol Plant 2021 Sep 15. Epub 2021 Sep 15.

CONICET, Consejo Nacional de Investigaciones Científicas y Técnicas, Argentina.

Establishing drying-limits for mortality of different tree species and understanding the anatomical and physiological traits involved is crucial to predict forests' responses to climate change. The xylem of Eucalyptus camaldulensis presents a complex of solitary vessels surrounded by different imperforate tracheary elements and parenchyma that influence, in a poorly known way, its hydraulic functioning. We aimed at describing the dynamics of embolism propagation in this type of xylem, seeking any vessel-size pattern, and unravelling the threshold of xylem embolism leading to non-recovery after drought in E. Read More

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September 2021

Effect of different doses of the catecholamine epinephrine on antioxidant responses of larvae of the flesh fly Sarcophaga dux.

Environ Sci Pollut Res Int 2021 Sep 14. Epub 2021 Sep 14.

University of Rennes, CNRS, ECOBIO [(Ecosystèmes, biodiversité, évolution)] - UMR 6553, 263 Avenue du Gal Leclerc, 74205, F 35000, 35042, Rennes, CS, France.

The production and use of pharmaceutical products have increased over the past decades, and several are considered potential or proved hazardous wastes. When contaminating the environment, they can severely impact biodiversity. The catecholamine epinephrine (adrenaline) is no exception. Read More

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September 2021

Acute Stress Exposure Alters Food-Related Brain Monoaminergic Profiles in a Rat Model of Anorexia.

J Nutr 2021 Sep 14. Epub 2021 Sep 14.

Interdepartmental Graduate Program in Nutritional Sciences, Iowa State University, Ames, IA, USA.

Background: Adverse life experiences are a major risk factor for anorexia nervosa (AN). Eating-provoked anxiousness associated with AN is postulated to be due to food-related exaggerated serotonin activity in the brain and imbalances of monoamine neurotransmitters.

Objectives: Using a rodent model of stress-induced hypophagia, we investigated if stress exposure augments food-related serotonin turnover and imbalances in measures of brain serotonin and dopamine activity in manners consistent with anxiousness toward food and restricted eating. Read More

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September 2021

Algal amendment improved yield and grain quality of rice with alleviation of the impacts of salt stress and water stress.

Heliyon 2021 Sep 1;7(9):e07911. Epub 2021 Sep 1.

Department of Botany and Microbiology, Faculty of Science, Damietta University, New Damietta City, Egypt.

The hazardous effect of abiotic stress and the beneficial effect of organic amendments on rice have been extensively studied during the vegetative stage, but little information is available regarding rice yield. Therefore, the response of rice yield to abiotic stress × organic amendment interaction needs thorough investigation. The differential potency of aqueous extract and biomass of the seaweed in alleviation of NaCl salinity and PEG-6000 water stress, at Ψ of -0. Read More

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September 2021

Metabolic effect of drought stress on the leaves of young oil palm (Elaeis guineensis) plants using UHPLC-MS and multivariate analysis.

Sci Rep 2021 Sep 14;11(1):18271. Epub 2021 Sep 14.

Institute of Chemistry, Federal University of Goiás, Campus Samambaia, Goiânia, GO, 74690-900, Brazil.

The expansion of the oil palm in marginal areas can face challenges, such as water deficit, leading to an impact on palm oil production. A better understanding of the biological consequences of abiotic stresses on this crop can result from joint metabolic profiling and multivariate analysis. Metabolic profiling of leaves was performed from control and stressed plants (7 and 14 days of stress). Read More

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September 2021

Genome-wide identification, evolution, and transcript profiling of Aldehyde dehydrogenase superfamily in potato during development stages and stress conditions.

Sci Rep 2021 Sep 14;11(1):18284. Epub 2021 Sep 14.

Department of Biochemistry and Molecular Biology, Shahjalal University of Science and Technology, Sylhet, 3114, Bangladesh.

The Aldehyde dehydrogenase (ALDH) superfamily comprises a group of enzymes involved in the scavenging of toxic aldehyde molecules by converting them into their corresponding non-toxic carboxylic acids. A genome-wide study in potato identified a total of 22 ALDH genes grouped into ten families that are presented unevenly throughout all the 12 chromosomes. Based on the evolutionary analysis of ALDH proteins from different plant species, ALDH2 and ALDH3 were found to be the most abundant families in the plant, while ALDH18 was found to be the most distantly related one. Read More

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September 2021

The non-canonical mechanism of ER stress-mediated progression of prostate cancer.

J Exp Clin Cancer Res 2021 Sep 14;40(1):289. Epub 2021 Sep 14.

Department of Biochemistry and Molecular Biology, University of Nebraska Medical Center, Omaha, NE, 68198, USA.

Background: The development of persistent endoplasmic reticulum (ER) stress is one of the cornerstones of prostate carcinogenesis; however, the mechanism is missing. Also, alcohol is a physiological ER stress inducer, and the link between alcoholism and progression of prostate cancer (PCa) is well documented but not well characterized. According to the canonical model, the mediator of ER stress, ATF6, is cleaved sequentially in the Golgi by S1P and S2P proteases; thereafter, the genes responsible for unfolded protein response (UPR) undergo transactivation. Read More

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September 2021

Genome-wide association study reveals the genetic architecture of root hair length in maize.

BMC Genomics 2021 Sep 14;22(1):664. Epub 2021 Sep 14.

MOE Key Laboratory of Crop Heterosis and Utilization, National Maize Improvement Center of China, China Agricultural University, Beijing, 100193, China.

Background: Root hair, a special type of tubular-shaped cell, outgrows from root epidermal cell and plays important roles in the acquisition of nutrients and water, as well as interactions with biotic and abiotic stress. Although many genes involved in root hair development have been identified, genetic basis of natural variation in root hair growth has never been explored.

Results: Here, we utilized a maize association panel including 281 inbred lines with tropical, subtropical, and temperate origins to decipher the phenotypic diversity and genetic basis of root hair length. Read More

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September 2021

Plant growth promoting bacteria for combating salinity stress in plants - Recent developments and prospects: A review.

Microbiol Res 2021 Sep 11;252:126861. Epub 2021 Sep 11.

Department of Environmental Science, School of Earth and Environmental Sciences, Babasaheb Bhimrao Ambedkar University, Lucknow, UP, 226025, India. Electronic address:

Soil salinity has emerged as a great threat to the agricultural ecosystems throughout the globe. Many continents of the globe are affected by salinity and crop productivity is severely affected. Anthropogenic activities leading to the degradation of agricultural land have also accelerated the rate of salinization in arid and semi-arid regions. Read More

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September 2021

Investigating the effects of biochar colloids and nanoparticles on cucumber early seedlings.

Sci Total Environ 2021 Sep 9;804:150233. Epub 2021 Sep 9.

Qingdao Engineering Research Center for Rural Environment, College of Resource and Environment, Qingdao Agricultural University, Qingdao 266109, China. Electronic address:

Understanding about the influence of biochar colloidal and nanoscale particles on plant is limited. We therefore extracted the colloids and nanoparticles from hot pepper stalk biochar (CB600 and NB600), and examined physiological responses of cucumber early seedlings through hydroponic culture and pot experiment. CB600 had no significant effect on shoot at 500 mg/L, while it decreased root biomass and inhibited lateral root development. Read More

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September 2021

The ingenious ULKs: expanding the repertoire of the ULK complex with phosphoproteomics.

Autophagy 2021 Sep 14:1-3. Epub 2021 Sep 14.

The Francis Crick Institute, Molecular Cell Biology of Autophagy, London, UK.

The mammalian ULK kinase complex is the most upstream component in the macroautophagy/autophagy signaling pathway. ULK1 and homolog ULK2, the sole serine/threonine kinases in autophagy, transduce an array of autophagy-inducing stimuli to downstream autophagic machinery, regulating autophagy from autophagosome initiation to fusion of autophagosomes with lysosomes. ULK signaling is also implicated in a diverse array of non-canonical processes from necroptosis to ER-Golgi trafficking to stress granule clearance. Read More

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September 2021

REST/NRSF deficiency impairs autophagy and leads to cellular senescence in neurons.

Aging Cell 2021 Sep 14:e13471. Epub 2021 Sep 14.

Center for Synaptic Neuroscience and Technology, Istituto Italiano di Tecnologia, Genova, Italy.

During aging, brain performances decline. Cellular senescence is one of the aging drivers and a key feature of a variety of human age-related disorders. The transcriptional repressor RE1-silencing transcription factor (REST) has been associated with aging and higher risk of neurodegenerative disorders. Read More

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September 2021

Variation in Brant's oak (Quercus brantii Lindl.) leaf traits in response to pollution from a gas refinery in semiarid forests of western Iran.

Environ Sci Pollut Res Int 2021 Sep 14. Epub 2021 Sep 14.

Department of Agroforestry Technology and Science and Genetics, Castilla La Mancha University, Albacete, Spain.

Air pollution around refineries and factories is one of the major environmental challenges affecting forest ecosystems' health. Although there have been many studies on Iran's forest ecosystems, the physiological and morphological responses of Brant's oak (Quercus brantii Lindl.) leaves to the pollution of the gas refineries in the semiarid forests have not received much attention. Read More

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September 2021

Extracellular cystine influences human preadipocyte differentiation and correlates with fat mass in healthy adults.

Amino Acids 2021 Sep 14. Epub 2021 Sep 14.

Department of Physiology, Faculty of Medicine, Alexandria University, Alexandria, Egypt.

Plasma cysteine is associated with human obesity, but it is unknown whether this is mediated by reduced, disulfide (cystine and mixed-disulfides) or protein-bound (bCys) fractions. We investigated which cysteine fractions are associated with adiposity in vivo and if a relevant fraction influences human adipogenesis in vitro. In the current study, plasma cysteine fractions were correlated with body fat mass in 35 adults. Read More

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September 2021