Heterologous expression of a synthetic gene encoding a novel hevein-type antimicrobial peptide of Leymus arenarius in Escherichia coli cells

Heterologous expression of a synthetic gene encoding a novel hevein-type antimicrobial peptide of... A novel antifungal peptide, LAMP-1a, was isolated from sand-elymus (Leymus arenarius) seeds. Expression of a synthetic gene encoding this peptide in Escherichia coli cells was obtained. The target peptide was expressed as a fusion with thioredoxin. Identity of the recombinant peptide to native LAMP-1a was confirmed by chromatography, mass spectrometry, and amino acid sequencing. LAMP-1a displayed a high inhibitory activity in respect of a number of phytopathogenic fungi in in vitro assays, which opens up possibilities for the gene encoding it to be used for genetic transformation of plants and for engineering pathogen-resistant crops http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Russian Journal of Genetics Springer Journals

Heterologous expression of a synthetic gene encoding a novel hevein-type antimicrobial peptide of Leymus arenarius in Escherichia coli cells

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Abstract

A novel antifungal peptide, LAMP-1a, was isolated from sand-elymus (Leymus arenarius) seeds. Expression of a synthetic gene encoding this peptide in Escherichia coli cells was obtained. The target peptide was expressed as a fusion with thioredoxin. Identity of the recombinant peptide to native LAMP-1a was confirmed by chromatography, mass spectrometry, and amino acid sequencing. LAMP-1a displayed a high inhibitory activity in respect of a number of phytopathogenic fungi in in vitro assays, which opens up possibilities for the gene encoding it to be used for genetic transformation of plants and for engineering pathogen-resistant crops

Journal

Russian Journal of GeneticsSpringer Journals

Published: Dec 16, 2010

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