Defense peptides from barnyard grass (Echinochloa crusgalli L.) seeds

被引:23
|
作者
Rogozhin, E. A. [1 ]
Ryazantsev, D. Y. [1 ]
Grishin, E. V. [1 ]
Egorov, T. A. [1 ]
Zavriev, S. K. [1 ]
机构
[1] Russian Acad Sci, Shemyakin & Ovchinnikov Inst Bioorgan Chem, Moscow 117997, Russia
关键词
Plant defense peptides; Echinochloa crusgalli seeds; Plant immunity; LIPID-TRANSFER PROTEINS; PLANT ANTIMICROBIAL PEPTIDES; HELICAL HAIRPIN STRUCTURE; BICOLOR L MOENCH; TRYPSIN-INHIBITORS; ANTIFUNGAL PROTEINS; IN-VITRO; PROTEASE INHIBITORS; BARLEY; WHEAT;
D O I
10.1016/j.peptides.2012.08.009
中图分类号
Q5 [生物化学]; Q7 [分子生物学];
学科分类号
071010 ; 081704 ;
摘要
A number of defense polypeptides from latent seeds of weed cereal barnyard grass (Echinochloa crusgalli L) has been isolated and characterized using an acidic extraction and high performance liquid chromatography methods in combination with MALDI-TOF mass spectrometry and Edman sequencing. Members of three antimicrobial peptide families and two protease inhibitor families were found to be localized in barnyard grass seeds. Their biological activity concerning to Gram-Positive and Gram-Negative phytopathogenic bacteria, as well as oomycete Phytophthora infestans, has been investigated. Diversity of barnyard grass defense peptides is a significant factor that provides a resistance of E. crusgalli seeds to germination and latent phases. Crown Copyright (C) 2012 Published by Elsevier Inc. All rights reserved.
引用
收藏
页码:33 / 40
页数:8
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