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Genome-wide identification and expression analysis of sucrose synthase genes in allotetraploid Brassica juncea

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Title Genome-wide identification and expression analysis of sucrose synthase genes in allotetraploid Brassica juncea
 
Creator Murali Krishna Koramutla
Chet Ram
Deepa Bhatt
Muthuganeshan Annamalai
Ramcharan Bhattacharya
 
Subject Gene structure
Brassica juncea
SUS family
Sucrose synthase
SUS genes
 
Description Not Available
Sucrose plays pivotal role in energy metabolism and regulating gene expression of several physiological processes in higher plants. Here, fourteen sucrose synthase (SUS) genes have been identified in the allotetraploid genome of Indian mustard, Brassica juncea. The identified SUS genes in B. juncea (BjSUS) were derived from the two-progenitor species, B. rapa and B. nigra. Intron-exon analysis indicated loss or gain of 1–3 introns in diversification of SUS gene family. Phylogenetic analysis revealed discrete evolutionary paths for the BjSUS genes, originating from three ancestor groups, SUS I, SUS II and SUS III. Gene expression study revealed significant variability in expression of the BjSUS paralogs across the different tissues. BjSUS genes showed transcriptional activation in response to defense hormones and a late response to wounding. Tissue and temporal specificity of expression revealed importance of specific SUS paralogs at different developmental stages and under different stress conditions. The study highlighted differential involvement of SUS paralogs in sucrose metabolism across the tissues and stress-responses, in a major oilseed crop B. juncea.
Not Available
 
Date 2019-12-27T10:14:21Z
2019-12-27T10:14:21Z
2019-04-23
 
Type Research Paper
 
Identifier Not Available
Not Available
http://krishi.icar.gov.in/jspui/handle/123456789/29171
 
Language English
 
Relation Not Available;
 
Publisher Elsevier