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Related Concept Videos

Responses to Salt Stress02:02

Responses to Salt Stress

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.
Responses to Drought and Flooding02:41

Responses to Drought and Flooding

Water plays a significant role in the life cycle of plants. However, insufficient or excess of water can be detrimental and pose a serious threat to plants.
Transcription01:10

Transcription

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.
Transcription Can Produce Different Kinds...
Adaptations that Reduce Water Loss01:57

Adaptations that Reduce Water Loss

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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Related Experiment Video

Updated: Jun 17, 2026

Cost-Efficient Transcriptomic-Based Drug Screening
06:40

Cost-Efficient Transcriptomic-Based Drug Screening

Published on: February 23, 2024

Making the most of drought and salinity transcriptomics.

Michael K Deyholos1

  • 1University of Alberta, Department of Biological Sciences, Edmonton, Canada. deyholos@ualberta.ca <deyholos@ualberta.ca>

Plant, Cell & Environment
|December 17, 2009
PubMed
Summary
This summary is machine-generated.

Plant transcriptomics studies reveal insights into stress physiology but face limitations. While mature, transcript abundance correlation is low, impacting stress tolerance applications. RNA-Seq shows promise for candidate gene discovery.

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Analyzing Gene Expression from Marine Microbial Communities using Environmental Transcriptomics
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Analyzing Gene Expression from Marine Microbial Communities using Environmental Transcriptomics

Published on: February 18, 2009

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Cost-Efficient Transcriptomic-Based Drug Screening
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Cost-Efficient Transcriptomic-Based Drug Screening

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Analyzing Gene Expression from Marine Microbial Communities using Environmental Transcriptomics
13:51

Analyzing Gene Expression from Marine Microbial Communities using Environmental Transcriptomics

Published on: February 18, 2009

Area of Science:

  • Plant Biology
  • Molecular Biology
  • Genomics

Background:

  • Over 100 studies have investigated plant transcriptomic responses to salinity and drought stress.
  • High-throughput profiling technologies like microarrays are commonly employed.

Purpose of the Study:

  • To review transcriptomics' contributions to stress physiology understanding.
  • To identify limitations in transcriptomics for enhancing stress tolerance.
  • To determine appropriate applications for transcriptomics in plant science.

Main Methods:

  • Review of over 100 published transcriptomic studies.
  • Analysis of microarray and related high-throughput profiling data.
  • Evaluation of correlation between transcript abundance and gene expression measures.

Main Results:

  • Transcriptomics accurately describes the transcriptome, but transcript abundance shows low correlation with other gene expression measures.
  • Experimental practices (treatment, tissue, germplasm selection) can limit relevance.
  • Emerging techniques like RNA-Seq show potential for candidate gene discovery.

Conclusions:

  • Transcriptomics, particularly RNA-Seq, is valuable for candidate gene discovery in plants.
  • Microarrays remain useful for transcriptome analysis and integrating with metabolomics.
  • Limitations in correlation and experimental design must be considered for stress tolerance applications.