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Related Concept Videos

Morphogenesis02:19

Morphogenesis

Plant morphogenesis—the development of a plant’s form and structure—involves several overlapping developmental processes, including growth and cell differentiation. Precursor cells differentiate into specific cell types, which are organized into the tissues and organ systems that make up the functional plant.
Defenses Against Pathogens and Herbivores02:26

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Plants present a rich source of nutrients for many organisms, making it a target for herbivores and infectious agents. Plants, though lacking a proper immune system, have developed an array of constitutive and inducible defenses to fend off these attacks.
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An inflammatory response is a localized, nonspecific immune reaction that occurs when a tissue is injured. It is characterized by redness, swelling, heat, and pain, which are commonly called the cardinal signs and symptoms of inflammation. Inflammation can sometimes result in a loss of function.
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Microbe-Plant Interactions

Microbe-plant interactions represent a dynamic spectrum of associations shaped by intricate chemical signaling. These interactions can be neutral, beneficial, or detrimental, and profoundly influence plant physiology, growth, and ecosystem function. The plant microbiome, comprising bacteria, fungi, archaea, protists, and viruses, plays a pivotal role in mediating these effects through surface colonization, internal colonization, or systemic symbiosis.Mutualistic associations, particularly with...
Cell Signaling in Plants01:25

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Updated: Jun 13, 2026

A Versatile Method for Mounting Arabidopsis Leaves for Intravital Time-lapse Imaging
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Published on: February 11, 2019

Intersections between immune responses and morphological regulation in plants.

Naoyuki Uchida1, Masao Tasaka

  • 1Graduate School of Biological Sciences, Nara Institute of Science and Technology, 8916-5 Takayama, Ikoma, Japan. n-uchida@bs.naist.jp

Journal of Experimental Botany
|May 12, 2010
PubMed
Summary

Plant pathogens manipulate host defenses, altering plant morphology. Evolutionary studies reveal interconnectedness between plant immunity and morphological regulation, driven by host-pathogen interactions.

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Area of Science:

  • Plant Pathology
  • Molecular Biology
  • Evolutionary Biology

Background:

  • Plants and pathogens engage in an evolutionary arms race, developing counter-strategies.
  • Pathogen interactions can induce morphological changes in host plants, impacting growth.
  • Plant morphology factors are increasingly recognized for their roles in immune responses.

Purpose of the Study:

  • To review recent findings on the interplay between plant morphology and immune responses.
  • To discuss how host-pathogen interactions shape these linked systems.
  • To highlight the evolutionary basis of these connections.

Main Methods:

  • Review of recent molecular biology and genetics studies.
  • Focus on model organism Arabidopsis thaliana.
  • Analysis of evolutionary conservation of involved factors and systems.

Main Results:

  • Pathogen-derived factors can modulate host systems regulating plant morphology.
  • Factors involved in plant morphology also play roles in immune responses.
  • Evolutionary conservation suggests a deep link between morphology and immunity.

Conclusions:

  • Host-pathogen interactions have driven tight links between plant morphological processes and immune responses.
  • Understanding these links is crucial for plant defense strategies.
  • Evolutionary insights underscore the integrated nature of plant development and defense.