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Genome-wide identification and characterization of Chitinase gene family in Brassica juncea and Camelina sativa in response to Alternaria brassicae.

08:00 EDT 13th May 2019 | BioPortfolio

Summary of "Genome-wide identification and characterization of Chitinase gene family in Brassica juncea and Camelina sativa in response to Alternaria brassicae."

Chitinases belong to the group of Pathogenesis-related (PR) proteins that provides protection against the fungal pathogens. In this study, genome-wide identification and characterization of chitinase genes was performed in two important oilseed crops B. juncea and C. sativa belonging to family Brassicaceae. We identified 47 and 79 chitinase genes in B. juncea and C. sativa genome, respectively. Phylogenetic analysis of chitinases in the both species revealed four distinct sub-groups, representing different classes of chitinases (I-V). Microscopic and biochemical parameters highlights the role of ROS scavenging enzymes in disease resistance in B. juncea and C. sativa, Furthermore, qRT-PCR analysis showed that expression of chitinases in both B. juncea and C. sativa was significantly induced by A. brassicae infection. However, the fold change in chitinase expression was considerably higher in C. sativa compared to B. juncea, which further proves the increased resistance of C. sativa to A. brassicae.

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Name: Genomics
ISSN: 1089-8646
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