[Advances of miRNA-mediated regulatory roles in plant-microbe interaction]

Xiaoman Lü1, Wenyi Zhang1, Haihua Zhang1

  • 1College of Life Sciences and Medicine, Zhejiang Sci-Tech University, Hangzhou 310018, Zhejiang, China.

Insights

Plant microRNAs (miRNAs) and microbe-derived miRNA-like RNAs (milRNAs) mediate rapid communication between plants and microbes. This review details their roles in plant defense against pathogens and growth promotion by probiotics.

Area of Science:

  • Plant-microbe interactions
  • Molecular biology
  • Genetics

Background:

  • Bidirectional communication and crosstalk occur between plants and microbes.
  • Plant-pathogen interactions impact host survival, while plant-probiotic interactions benefit both.
  • Plant microRNAs (miRNAs) and microbe-derived miRNA-like RNAs (milRNAs) are key mediators.

Purpose of the Study:

  • To review the regulatory roles of miRNAs in plant-pathogen and plant-probiotic interactions.
  • To discuss the cross-kingdom regulatory functions of milRNAs in host plants.

Main Methods:

  • Literature review of recent research on miRNA and milRNA in plant-microbe interactions.
  • Synthesis of findings on molecular mechanisms and regulatory roles.

Main Results:

  • Plant miRNAs rapidly respond to microbial ingress, modulating disease resistance and growth.
  • Microbes produce milRNAs that influence plant health and development.
  • miRNA and milRNA act as crucial fast-responding molecular mediators.

Conclusions:

  • Understanding miRNA and milRNA mechanisms enhances knowledge of plant immunity and beneficial microbial interactions.
  • These small RNAs are vital for regulating plant responses in diverse microbial contexts.

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