Abstract
Being sessile organisms, plants are persistently confronted by a diverse array of biotic agents, including viruses, bacteria, fungi, herbivores, and nematodes. Understanding the mechanism of host-pathogen interactions is essential for improving plant resistance against these biotic factors. In this review, we have discussed various means and mechanisms by which pathogens influence the host plant defense. A virulent pathogen can reduce the growth and development of a plant, which eventually lowers its yield by multiple processes, like enhancement in cell death, as well as modification of plant architecture. This review also explains the various strategies used by plants to control pathogen-caused diseases. These mainly include either resistance or tolerance by activating cell signaling pathways, which further regulate the synthesis and accumulation of several cellular products, such as phytohormones, enzymes, proteins, and secondary metabolites. To minimize the influence of infection on their vigor, plants also exhibit immunity regardless of the amount of pathogen multiplication. The current review provides an important insight into the mechanisms of host-pathogen interaction, which is very significant for efficient disease management.
Keywords: Biotic stress, pathogenesis, stress response, plant immune system, defense metabolites.
Current Protein & Peptide Science
Title:Mechanisms of Plant Defense Under Pathogen Stress: A Review
Volume: 22 Issue: 5
Author(s): Monika Sood, Dhriti Kapoor, Vipul Kumar, Namarta Kalia, Renu Bhardwaj, Gagan Preet Singh Sidhu and Anket Sharma*
Affiliation:
- State Key Laboratory of Subtropical Silviculture, Zhejiang A and F University, Hangzhou, 311300,China
Keywords: Biotic stress, pathogenesis, stress response, plant immune system, defense metabolites.
Abstract: Being sessile organisms, plants are persistently confronted by a diverse array of biotic agents, including viruses, bacteria, fungi, herbivores, and nematodes. Understanding the mechanism of host-pathogen interactions is essential for improving plant resistance against these biotic factors. In this review, we have discussed various means and mechanisms by which pathogens influence the host plant defense. A virulent pathogen can reduce the growth and development of a plant, which eventually lowers its yield by multiple processes, like enhancement in cell death, as well as modification of plant architecture. This review also explains the various strategies used by plants to control pathogen-caused diseases. These mainly include either resistance or tolerance by activating cell signaling pathways, which further regulate the synthesis and accumulation of several cellular products, such as phytohormones, enzymes, proteins, and secondary metabolites. To minimize the influence of infection on their vigor, plants also exhibit immunity regardless of the amount of pathogen multiplication. The current review provides an important insight into the mechanisms of host-pathogen interaction, which is very significant for efficient disease management.
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Cite this article as:
Sood Monika, Kapoor Dhriti , Kumar Vipul , Kalia Namarta, Bhardwaj Renu , Sidhu Preet Singh Gagan and Sharma Anket *, Mechanisms of Plant Defense Under Pathogen Stress: A Review, Current Protein & Peptide Science 2021; 22 (5) . https://dx.doi.org/10.2174/1389203722666210125122827
DOI https://dx.doi.org/10.2174/1389203722666210125122827 |
Print ISSN 1389-2037 |
Publisher Name Bentham Science Publisher |
Online ISSN 1875-5550 |
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