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Responses to Drought and Flooding

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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.

Transcription

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...

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Related Experiment Video

Updated: Jun 8, 2025

Plant-Microbe Interaction: Transcriptional Response of Bacillus Mycoides to Potato Root Exudates

Plant-Microbe Interaction: Transcriptional Response of Bacillus Mycoides to Potato Root Exudates

Published on: July 2, 2018

Transcriptomic response of wetland microbes to root influence.

Luise Grüterich¹, Monica Wilson¹, Kai Jensen¹

¹Institute of Plant Science and Microbiology, University of Hamburg, Ohnhorststraße 18, 22609 Hamburg, Germany.

|November 4, 2024

Summary

Plant root exudates significantly alter soil microbial gene activity and community composition in coastal wetlands. This research enhances understanding of plant-microbe interactions driving wetland biogeochemical cycles.

Keywords:

Aquatic biology Microbiology Plant biology Transcriptomics

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Published on: July 22, 2017

Area of Science:

Environmental Science
Microbiology
Biogeochemistry

Background:

Wetlands are critical ecosystems for carbon and nutrient cycling.
Plant-microbe interactions are key drivers of wetland biogeochemistry.
Understanding the molecular basis of these interactions is essential.

Purpose of the Study:

To investigate the transcriptomic and phylogenetic responses of soil microbes to root exudates in coastal wetlands.
To elucidate the molecular mechanisms underlying plant-soil microbe interactions in these environments.

Main Methods:

Utilized 13CO2 pulse labeling in coastal wetland soils.
Employed metatranscriptomics to analyze microbial gene expression.
Identified shifts in microbial community composition.

Main Results:

Root exudates upregulated 388 microbial genes and downregulated 11.
Key upregulated pathways involved infection, stress response, and motility.
Observed increased relative abundances of specific bacterial phyla (Betaproteobacteria, Campylobacterota, Kiritimatiellota, Lentisphaerota, Verrucomicrobiota).

Conclusions:

Root exudates induce significant transcriptional and phylogenetic shifts in wetland soil microbial communities.
These findings provide a deeper mechanistic understanding of plant-microbe interactions in wetland ecosystems.
Highlights the role of microbial responses to root influence in biogeochemical processes.