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MicroRNAs Involved in Nutritional Regulation During Plant-Microbe Symbiotic and Pathogenic Interactions with Rice as

Radheshyam Yadav1, Wusirika Ramakrishna2

  • 1Department of Biochemistry, Central University of Punjab, VPO Ghudda, Bathinda, Punjab, India.

Molecular Biotechnology
|July 19, 2023
PubMed
Summary
This summary is machine-generated.

Plant nutrient status significantly impacts disease resistance, influencing interactions with pathogens and beneficial fungi. Understanding nutrient and immune signaling crosstalk in rice offers new crop protection strategies.

Keywords:
Magnaporthe oryzaeOryza sativaNutrient homeostasisResistancemiRNAs

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Area of Science:

  • Plant Biology
  • Molecular Biology
  • Agricultural Science

Background:

  • Plants face constant biotic and abiotic stresses, requiring integrated regulatory responses.
  • Nutrient stress and pathogen immunity pathways interact, and arbuscular mycorrhizal (AM) fungi can enhance plant nutrition and disease resistance.

Purpose of the Study:

  • To review the interconnected regulation between nutrient and immune signaling pathways in rice.
  • To focus on phosphate, potassium, and iron signaling in rice, particularly concerning interactions with Magnaporthe oryzae and Rhizophagus irregularis.

Main Methods:

  • Review of existing literature on plant stress responses, nutrient signaling, and immune pathways.
  • Discussion of the role of specific microRNAs (miRNAs) in nutrient homeostasis and plant-pathogen interactions.
  • Outline of intracellular dynamics of nutrient transporters using transgenic rice lines.

Main Results:

  • Nutrient signaling pathways are intricately linked with immune signaling in rice.
  • Specific miRNAs (miR399, miR827, miR7695) play roles in nutrient homeostasis during symbiotic and pathogenic interactions.
  • Intracellular transport mechanisms are crucial for nutrient management under stress.

Conclusions:

  • Integrating knowledge of nutrient status and disease resistance regulation can lead to novel crop protection strategies.
  • Understanding these complex interactions can reduce reliance on pesticides and fertilizers.