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Title of the item:

Phenylpropanoid metabolism and pigmentation show divergent patterns between brown color and green color cottons as revealed by metabolic and gene expression analyses

Title :
Phenylpropanoid metabolism and pigmentation show divergent patterns between brown color and green color cottons as revealed by metabolic and gene expression analyses
Authors :
Zhonghua LI
Qian SU
Mingqi XU
Jiaqi YOU
Anam Qadir KHAN
Junyi LI
Xianlong ZHANG
Lili TU
Chunyuan YOU
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Subject Terms :
Naturally-colored cotton
Flavonoids
Lignin
Lignan
Suberin
Plant culture
SB1-1110
Source :
Journal of Cotton Research, Vol 3, Iss 1, Pp 1-11 (2020)
Publisher :
BMC, 2020.
Publication Year :
2020
Collection :
LCC:Plant culture
Document Type :
article
File Description :
electronic resource
Language :
English
ISSN :
2523-3254
Relation :
http://link.springer.com/article/10.1186/s42397-020-00069-x; https://doaj.org/toc/2523-3254
DOI :
10.1186/s42397-020-00069-x
Access URL :
https://doaj.org/article/b62984718eb348d1b184ef8cb7bd8a8e
Accession Number :
edsdoj.b62984718eb348d1b184ef8cb7bd8a8e
Academic Journal
Abstract Background Naturally-colored cotton has become increasingly popular because of their natural properties of coloration, UV protection, flame retardant, antibacterial activity and mildew resistance. But poor fiber quality and limited color choices are two key issues that have restricted the cultivation of naturally-colored cotton. To identify the possible pathways participating in fiber pigmentation in naturally-colored cottons, five colored cotton accessions in three different color types (with green, brown and white fiber) were chosen for a comprehensive analysis of phenylpropanoid metabolism during fiber development. Results The expression levels of flavonoid biosynthesis pathway genes in brown cotton fibers were significantly higher than those in white and green cotton fibers. Total flavonoids and proanthocyanidin were higher in brown cotton fibers relative to those in white and green cotton fibers, which suggested that the flavonoid biosynthesis pathway might not participate in the pigmentation of green cotton fibers. Further expression analysis indicated that the genes encoding enzymes for the synthesis of caffeic acid derivatives, lignin and lignan were activated in the developing fibers of the green cotton at 10 and 15 days post-anthesis. Conclusions Our results strengthen the understanding of phenylpropanoid metabolism and pigmentation in green and brown cotton fibers, and may improve the breeding of naturally-colored cottons.

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