NDLI: Proteomics profiling of fiber development and domestication in upland cotton (Gossypium hirsutum L.)

Content Provider	Springer Nature Link
Author	Hu, Guanjing Koh, Jin Yoo, Mi Jeong Pathak, Dharminder Chen, Sixue Wendel, Jonathan F.
Copyright Year	2014
Abstract	Comparative proteomic analyses were performed to detail the evolutionary consequences of strong directional selection for enhanced fiber traits in modern upland cotton (Gossypium hirsutum L.). Using two complementary proteomic approaches, 2-DE and iTRAQ LC–MS/MS, fiber proteomes were examined for four representative stages of fiber development. Approximately 1,000 protein features were characterized using each strategy, collectively resulting in the identification and functional categorization of 1,223 proteins. Unequal contributions of homoeologous proteins were detected for over a third of the fiber proteome, but overall expression was balanced with respect to the genome-of-origin in the allopolyploid G. hirsutum. About 30 % of the proteins were differentially expressed during fiber development within wild and domesticated cotton. Notably, domestication was accompanied by a doubling of protein developmental dynamics for the period between 10 and 20 days following pollination. Expression levels of 240 iTRAQ proteins and 293 2-DE spots were altered by domestication, collectively representing multiple cellular and metabolic processes, including metabolism, energy, protein synthesis and destination, defense and stress response. Analyses of homoeolog-specific expression indicate that duplicated gene products in cotton fibers can be differently regulated in response to selection. These results demonstrate the power of proteomics for the analysis of crop domestication and phenotypic evolution.
Starting Page	1237
Ending Page	1251
Page Count	15
File Format	PDF
ISSN	00320935
Journal	Planta
Volume Number	240
Issue Number	6
e-ISSN	14322048
Language	English
Publisher	Springer Berlin Heidelberg
Publisher Date	2014-08-26
Publisher Place	Berlin/Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Domestication Evolutionary proteomics Fiber development Gossypium Homoeolog expression Polyploid Plant Sciences Agriculture Ecology Forestry
Content Type	Text
Resource Type	Article
Subject	Genetics Plant Science

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