Primary Structure Analysis of Antifungal Peptides from Cultivated and Wild Cereals

Plants
Eugene A RogozhinSergey Zavriev

Abstract

Cereal-derived bioactive peptides with antimicrobial activity have been poorly explored compared to those from dicotyledonous plants. Furthermore, there are a few reports addressing the structural differences between antimicrobial peptides (AMPs) from cultivated and wild cereals, which may shed light on significant varieties in the range and level of their antimicrobial activity. We performed a primary structure analysis of some antimicrobial peptides from wild and cultivated cereals to find out the features that are associated with the much higher antimicrobial resistance characteristic of wild plants. In this review, we identified and analyzed the main parameters determining significant antifungal activity. They relate to a high variability level in the sequences of C-terminal fragments and a high content of hydrophobic amino acid residues in the biologically active defensins in wild cereals, in contrast to AMPs from cultivated forms that usually exhibit weak, if any, activity. We analyzed the similarity of various physicochemical parameters between thionins and defensins. The presence of a high divergence on a fixed part of any polypeptide that is close to defensins could be a determining factor. For all of the currently kno...Continue Reading

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Citations

Mar 30, 2020·Probiotics and Antimicrobial Proteins·Rodrigo da Silva GebaraValdirene Moreira Gomes
May 12, 2020·Frontiers in Plant Science·Anna A Slavokhotova, Eugene A Rogozhin
Apr 30, 2021·Botanical Studies·Junpeng LiXingyong Yang

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Methods Mentioned

BETA
environmental stress
PCR
X-ray
transgenic

Software Mentioned

CLUSTAL OMEGA

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Antifungals

An antifungal, also known as an antimycotic medication, is a pharmaceutical fungicide or fungistatic used to treat and prevent mycosis such as athlete's foot, ringworm, candidiasis, cryptococcal meningitis, and others. Discover the latest research on antifungals here.

Antifungals (ASM)

An antifungal, also known as an antimycotic medication, is a pharmaceutical fungicide or fungistatic used to treat and prevent mycosis such as athlete's foot, ringworm, candidiasis, cryptococcal meningitis, and others. Discover the latest research on antifungals here.