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Analysis of structures, functions, and transgenicity of phytopeptides defensin and thionin: a review

Authors
  • Azmi, Sarfuddin1
  • Hussain, Mohd Kamil2
  • 1 Prince Sultan Military Medical City (PSMMC), Sulaimaniyah, Riyadh, 11159, Kingdom of Saudi Arabia , Riyadh (Saudi Arabia)
  • 2 Govt. Raza P.G. College, Rampur, Uttar Pradesh, 244901, India , Rampur (India)
Type
Published Article
Journal
Beni-Suef University Journal of Basic and Applied Sciences
Publisher
Springer Berlin Heidelberg
Publication Date
Jan 14, 2021
Volume
10
Issue
1
Identifiers
DOI: 10.1186/s43088-020-00093-5
Source
Springer Nature
Keywords
License
Green

Abstract

BackgroundAntimicrobial peptides are very primitive innate defense molecules of almost all organisms, from microbes to mammalians and vascular seed-bearing plants. Antimicrobial peptides of plants categorized into cysteine-rich peptides (CRPs) and others and most of the antimicrobial peptides belong to CRPs group. These peptides reported showing the great extent of protecting property against bacteria, fungi, viruses, insect, nematode, and another kind of microbes. To develop a resistant plant against pathogenic fungi, there have been several studies executed to understand the efficiency of transgenicity of these antimicrobial peptides.Main textApart from the intrinsic property of the higher organism for identifying and activating microbial attack defense device, it also involves innate defense mechanism and molecules. In the current review article, apart from the structural and functional characterization of peptides defensin and thionin, we have attempted to provide a succinct overview of the transgenic development of these defense peptides, that are expressed in a constitutive and or over-expressive manner when biotic and abiotic stress inflicted. Transgenic of different peptides show different competence in plants. Most of the transgenic studies made for defensin and thionin revealed the effective transgenic capacity of these peptides.ConclusionThere have been several studies reported successful development of transgenic plants based on peptides defensin and thionin and observed diverse level of resistance-conferring potency in different plants against phytopathogenic fungi. But due to long regulatory process, there has not been marketed any antimicrobial peptides based transgenic plants yet. However, success report state that possibly in near future transgenic plants of AMPs would be released with devoid of harmful effect, with good efficiency, reproducibility, stability, and least production cost.

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