Antimicrobial Peptides - Small but Mighty Weapons for Plants in the War against Phytopathogens

Antimicrobial peptides (AMPs) have diverse structures, varied modes of actions, and are inhibitory against a wide range of pathogens at low concentrations. Plants are constantly attacked by a wide range of phytopathogens causing massive yield losses worldwide. To combat these pathogens, nature has a...

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Bibliographic Details
Published inProtein and peptide letters
Main Authors Das, Kaushik, Datta, Karabi, Karmakar, Subhasis, Datta, Swapan Kumar
Format Journal Article
LanguageEnglish
Published Netherlands 19.06.2019
Subjects
Disease resistance
Antifungal
Antimicrobial peptides
Antibacterial
Transgenic plants
Plant biotechnology
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Summary:Antimicrobial peptides (AMPs) have diverse structures, varied modes of actions, and are inhibitory against a wide range of pathogens at low concentrations. Plants are constantly attacked by a wide range of phytopathogens causing massive yield losses worldwide. To combat these pathogens, nature has armed plants with a battery of defence responses including antimicrobial peptides (AMPs). These peptides form a vital component of the two-tier plant defence system. They are constitutively expressed as part of the pre-existing first line of defence against pathogen entry. When a pathogen overcomes this barrier, it faces the inducible defence system, which responds to specific molecular or effector patterns launching an arsenal of defense responses include the production of antimicrobial peptides. This review emphasizes the structural and functional aspects of different antimicrobial peptides, their homology with AMPs from other organisms, and how their biotechnological potential has been realized till date in generating durable resistance in a wide range of crops against different classes of phytopathogens in an environmentally friendly way without phenotypic cost.
ISSN:1875-5305