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Manipulating the Maize (Zea mays) Microbiome.

Sierra S Raglin1, Alonso Favela2, Daniel Laspisa3,4

  • 1Carl Woese Institute for Genomic Biology, University of Illinois at Urbana-Champaign, Urbana, Illinois 61801, USA sraglin2@illinois.edu.

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|September 5, 2024
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Summary
This summary is machine-generated.

This study details methods for manipulating the maize microbiome in greenhouse settings. These protocols enable researchers to study how specific microbial communities influence maize plant growth and health.

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Area of Science:

  • Agricultural Science
  • Microbiology
  • Plant Science

Background:

  • Maize (Zea mays) is a vital global crop and a model organism in genetics.
  • Understanding the maize microbiome is crucial for improving plant growth and physiology.
  • Greenhouse studies are essential for initial investigations due to field regulatory constraints.

Purpose of the Study:

  • To provide a protocol for manipulating the maize microbiome in controlled greenhouse environments.
  • To enable the study of specific microbial taxa and ecological traits on maize phenotypes.
  • To establish methods for inoculating maize with defined or complex microbial communities.

Main Methods:

  • The protocol involves removing the native seed microbiome.
  • Subsequent inoculation with microorganisms from pure culture, soil slurry, or live soil.
  • Methods allow for varying microbial diversity from low (single strain, synthetic community [SynCom]) to high (percent live inoculation).

Main Results:

  • The described methods allow for controlled manipulation of the maize root-associated microbiome.
  • Different inoculation strategies result in distinct microbial diversity levels in the rhizosphere.
  • This facilitates the study of microbiota contributions to plant phenotypes.

Conclusions:

  • This protocol offers a standardized approach for maize microbiome manipulation in greenhouses.
  • It serves as a foundational tool for dissecting host-microbe interactions in maize.
  • The methods support research into the ecological roles of the microbiome in plant health and development.