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Related Experiment Video

Updated: May 20, 2025

An Anaerobic Biosensor Assay for the Detection of Mercury and Cadmium

An Anaerobic Biosensor Assay for the Detection of Mercury and Cadmium

Published on: December 17, 2018

Dynamic and Stable Core Microbiota Assist Plants in Enriching Selenium and Reducing Cadmium Absorption.

Zheng Lei^1,2,3, Hua Zhang², Wenju Liu³

¹College of Resources and Environment, Huazhong Agricultural University, Research Center of Trace Elements, Wuhan, Hubei, 430070, China.

Advanced Science (Weinheim, Baden-Wurttemberg, Germany)

|May 19, 2025

Summary

Plants use specific soil microbes to manage nutrient dynamics in selenium (Se) and cadmium (Cd)-rich soils. These microbes enhance Se uptake and reduce Cd absorption, aiding plant growth.

Keywords:

cadmium dynamic microbiome glutathione metabolism plant development selenium synthetic microbial communities

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High-throughput Siderophore Screening from Environmental Samples: Plant Tissues, Bulk Soils, and Rhizosphere Soils

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Last Updated: May 20, 2025

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Hydroponics: A Versatile System to Study Nutrient Allocation and Plant Responses to Nutrient Availability and Exposure to Toxic Elements

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High-throughput Siderophore Screening from Environmental Samples: Plant Tissues, Bulk Soils, and Rhizosphere Soils

High-throughput Siderophore Screening from Environmental Samples: Plant Tissues, Bulk Soils, and Rhizosphere Soils

Published on: February 9, 2019

Area of Science:

Plant science
Microbiology
Environmental science

Background:

The rhizosphere microbiome regulates nutrient dynamics, but plant control mechanisms under mixed nutrient conditions are unknown.
Understanding plant-microbe interactions is key for managing nutrient availability and plant health in challenging soils.

Purpose of the Study:

To investigate the role of the Brassica napus rhizosphere microbiome in managing selenium (Se) and cadmium (Cd) availability.
To elucidate the functional mechanisms by which microbes influence plant nutrient uptake in Se- and Cd-rich soils.

Main Methods:

Rhizosphere microbiome analysis, metagenomics, genomic analysis, and strain isolation were employed.
Functional validation was performed using synthetic microbial communities and gene expression analysis.

Main Results:

A negative correlation between available Se and Cd in the rhizosphere was observed.
A core microbiota positively correlated with Se and negatively correlated with Cd was identified.
Core microbes showed a preference for glutathione pathway amino acids, enhancing Se uptake and reducing Cd absorption.

Conclusions:

Rhizosphere microbes play a critical role in plant adaptation to complex nutrient environments.
Targeting specific microbial pathways, like glutathione metabolism, can improve plant Se uptake and Cd tolerance.