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Related Concept Videos

Other Stress Responses in Bacteria01:30

Other Stress Responses in Bacteria

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Bacteria have global regulatory systems that control several types of stress mechanisms. These include Pho regulon and the heat shock response, which are essential systems for environmental adaptation, such as nutrient limitation and proteotoxic stress. The Pho regulon and the heat shock response exemplify bacterial resilience, enabling rapid adaptation to fluctuating environmental conditions.Pho RegulonBacteria require phosphorus for essential cellular processes, including nucleic acid...
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Responses to Salt Stress02:02

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Salt stress—which can be triggered by high salt concentrations in a plant’s environment—can significantly affect plant growth and crop production by influencing photosynthesis and the absorption of water and nutrients.
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Transcription01:10

Transcription

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Overview
Transcription is the process of synthesizing RNA from a DNA sequence by RNA polymerase. It is the first step in producing a protein from a gene sequence. Additionally, many other proteins and regulatory sequences are involved in the proper synthesis of messenger RNA (mRNA). Regulation of transcription is responsible for the differentiation of all the different types of cells and often for the proper cellular response to environmental signals.
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Responses to Heat and Cold Stress02:45

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Every organism has an optimum temperature range within which healthy growth and physiological functioning can occur. At the ends of this range, there will be a minimum and maximum temperature that interrupt biological processes.
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Adaptations that Reduce Water Loss01:57

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Though evaporation from plant leaves drives transpiration, it also results in loss of water. Because water is critical for photosynthetic reactions and other cellular processes, evolutionary pressures on plants in different environments have driven the acquisition of adaptations that reduce water loss.
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Gene Regulation During Sporulation01:17

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Sporulation is a complex developmental process that allows certain Gram-positive bacteria, such as Bacillus subtilis and Clostridium species, to survive extreme environmental conditions. This process is tightly regulated by a series of signaling cascades and transcriptional controls, ensuring the formation of a highly resistant endospore.Sporulation is triggered by unfavorable conditions, such as nutrient depletion, and is governed by a phosphorelay system. One of the sensor kinases, such as...
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Author Spotlight: Polysome Profiling Protocol for Studying Translational Regulation in Arabidopsis Under Heat Stress
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Transcriptomic Meta-Analysis Reveals Hub Genes Integrating Multiple Abiotic Stress Responses in Wheat.

Minqiang Ding1, Sajid Fiaz2, Kui Wan1

  • 1College of Agriculture Yangtze University Jingzhou China.

Food Science & Nutrition
|September 10, 2025
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Summary

Global food security faces threats from climate change. This study identified key genes in 100 wheat varieties to enhance crop resilience against multiple stresses like heat, drought, cold, and salt.

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RNA‐seqTriticum aestivumWGCNAstress‐resilient croptranscription factors

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Area of Science:

  • Plant science
  • Genetics
  • Agricultural science

Background:

  • Climate change poses significant risks to global food security.
  • Developing crops with enhanced resilience to multiple abiotic stresses is crucial.

Purpose of the Study:

  • To identify genes conferring tolerance to multiple abiotic stresses in wheat.
  • To provide a foundation for developing stress-resilient crops.

Main Methods:

  • Systematic transcriptomic analysis of 100 wheat genotypes.
  • Phenotypic assessments under heat, drought, cold, and salt stress.
  • RT-qPCR validation of candidate genes.

Main Results:

  • Identified 3237 differentially expressed genes (DEGs) involved in stress response pathways.
  • Characterized core transcription factors (MYB, bHLH, HSF) and two functional modules for abiotic tolerance.
  • Confirmed upregulation of eight candidate genes, including BES1/BZR1 and GH14, across multiple stresses.

Conclusions:

  • Multiple abiotic stresses induce significant alterations in wheat plant height, biomass, and chlorophyll content.
  • Identified candidate genes play a critical role in wheat's adaptive responses to various stresses.
  • This research supports the development of stress-resilient wheat varieties for improved food security.