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Planctomycetes are a group of morphologically distinct bacteria predominantly classified into two orders: Planctomycetales and Brocadiales. These gram-negative bacteria exhibit unique features, including division by budding and the presence of stalks or appendages. Their cells are often found in rosette arrangements, and they are notable for possessing an S-layer in their cell envelope, which is relatively uncommon among bacteria. Additionally, Planctomycetes frequently exhibit intracellular...
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Phyllosphere Microbiome.

Reza Sohrabi1,2, Bradley C Paasch1,2, Julian A Liber1

  • 1Department of Biology, Duke University, Durham, North Carolina, USA; email: reza.sohrabi@duke.edu, bradley.paasch@duke.edu, julian.liber@duke.edu, shengyang.he@duke.edu.

Annual Review of Plant Biology
|February 28, 2023
PubMed
Summary
This summary is machine-generated.

Plant phyllosphere microbiota play crucial roles in plant health and productivity. Understanding these microbial communities and their interactions can lead to novel agricultural technologies for improved crop traits.

Keywords:
dysbiosisendophyteepiphytegut microbiomephytobiomeplant immunity

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Area of Science:

  • Plant-microbe interactions
  • Microbial ecology
  • Agricultural science

Background:

  • Terrestrial plants host diverse phyllosphere microbiota on aboveground surfaces.
  • Previous research focused on individual microbes, their adaptation, and biological control capabilities.
  • Recent studies explore the full microbial repertoire and plant-microbe regulatory mechanisms.

Purpose of the Study:

  • To investigate the contributions of phyllosphere microbiota to plant health and productivity.
  • To understand how microbiota influence key plant biological processes.
  • To explore novel plant- and microbiota-based technologies for agriculture.

Main Methods:

  • Utilizing gnotobiotic systems for causative and mechanistic studies.
  • Analyzing the composition and regulation of phyllosphere microbiota.
  • Investigating plant responses to microbial presence and absence.

Main Results:

  • Gnotobiotic systems enable detailed studies on microbiota functions.
  • Plants actively regulate the level and composition of their phyllosphere microbiota.
  • Microbiota significantly impact plant health, productivity, and defense.

Conclusions:

  • Phyllosphere microbiota are integral to plant life, influencing photosynthesis, growth, reproduction, and defense.
  • Insights into plant-microbe interactions can drive innovation in crop improvement.
  • Harnessing phyllosphere microbiota offers potential for developing sustainable agricultural technologies.