Metaproteomic data of maize rhizosphere for deciphering functional diversity

Area of Science:

• Environmental microbiology
• Proteomics
• Soil science

Background:

• Metaproteomics offers insights into microbial community functions in environmental samples.
• Limited data exists on microbial proteins and functions in maize rhizospheric soil.
• Rhizosphere microbiome is crucial for plant growth and development.

Purpose of the Study:

• To optimize metaproteomic extraction protocols for maize rhizosphere.
• To analyze the functionality of microbial communities in maize rhizosphere.
• To provide the first reference metaproteome data from maize rhizosphere.

Main Methods:

• Standardized protocol for metaprotein isolation from maize rhizosphere.
• Standardized pipeline for metaproteome analysis using LC-MS/MS.
• Data deposited in ProteomeXchange (identifier PXD014519).

Main Results:

• Successfully optimized metaproteomic extraction and analysis.
• Identified 696 proteins with diverse functions.
• Representing 244 genera and 393 species, providing functional insights.

Conclusions:

• Metaproteomics provides direct evidence of biological processes in the soil ecosystem.
• This study establishes a foundational dataset for maize rhizosphere microbial communities.
• The findings contribute to understanding soil microbiome functions and plant-microbe interactions.