Matches in SemOpenAlex for { <https://semopenalex.org/work/W2891230088> ?p ?o ?g. }
- W2891230088 endingPage "74" @default.
- W2891230088 startingPage "74" @default.
- W2891230088 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 known hevein-like peptides of cereals, we can say that the determining factor in this regard is the structure of the chitin-binding domain, and in particular, amino acid residues that are not directly involved in intermolecular interaction with chitin. The analysis of amino acid sequences of alpha-hairpinins (hairpin-like peptides) demonstrated much higher antifungal activity and more specificity of the peptides from wild cereals compared with those from wheat and corn, which may be associated with the presence of a mini cluster of positively charged amino acid residues. In addition, at least one hydrophobic residue may be responsible for binding to the components of fungal cell membranes." @default.
- W2891230088 created "2018-09-27" @default.
- W2891230088 creator A5015852698 @default.
- W2891230088 creator A5027499841 @default.
- W2891230088 creator A5034577643 @default.
- W2891230088 creator A5052112641 @default.
- W2891230088 date "2018-09-12" @default.
- W2891230088 modified "2023-09-24" @default.
- W2891230088 title "Primary Structure Analysis of Antifungal Peptides from Cultivated and Wild Cereals" @default.
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