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Abstract

Barley phylloplane is seriously colonized by Drechslera graminea, the causal agent of leaf

stripe disease in the hos. The present study involved the elucidation of alterations induced

in the protein content of the host due to Drechslera infection. Naturally growing barley

plants were obtained from fields and Drechslera graminea was isolated and identified from

diseased plants’ leaves. After identification and preparation of the pure culture, the pathogen

was inoculated on plants grown under aseptic and controlled laboratory conditions.

Changes in the total soluble cytoplasmic proteins and defense enzymes of the host such

as polyphenol oxidase (PPO), peroxidase (POX), phenylalanine lyase (PAL) and tyrosine

ammonia lyase (TAL) were observed up to 5 h after inoculation. The results demonstrated

a significant effect of the pathogen on the cytoplasmic protein expression of the host as well

as in its defense system.

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Authors and Affiliations

Navodit Goel
Gaurav Jaiswal
Abhinav Kr Srivastava
Prabir Kumar Paul
Anukrati Goel

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