Article (Scientific journals)
Weighted Gene Co-Expression Network Analysis Reveals Hub Genes Contributing to Fuzz Development in Gossypium arboreum.
Feng, Xiaoxu; Liu, Shang; Cheng, Hailiang et al.
2021In Genes, 12 (5), p. 753
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Keywords :
WGCNA; hub genes; transcriptome analysis; Genes, Plant; Gossypium/genetics
Abstract :
[en] Fuzzless mutants are ideal materials to decipher the regulatory network and mechanism underlying fuzz initiation and formation. In this study, we utilized two Gossypium arboreum accessions differing in fuzz characteristics to explore expression pattern differences and discriminate genes involved in fuzz development using RNA sequencing. Gene ontology (GO) analysis was conducted and found that DEGs were mainly enriched in the regulation of transcription, metabolic processes and oxidation-reduction-related processes. Weighted gene co-expression network analysis discerned the MEmagenta module highly associated with a fuzz/fuzzless trait, which included a total of 50 hub genes differentially expressed between two materials. GaFZ, which negatively regulates trichome and fuzz formation, was found involved in MEmagenta cluster1. In addition, twenty-eight hub genes in MEmagenta cluster1 were significantly up-regulated and expressed in fuzzless mutant DPL972. It is noteworthy that Ga04G1219 and Ga04G1240, which, respectively, encode Fasciclin-like arabinogalactan protein 18(FLA18) and transport protein, showed remarkable differences of expression level and implied that they may be involved in protein glycosylation to regulate fuzz formation and development. This module and hub genes identified in this study will provide new insights on fiber and fuzz formation and be useful for the molecular design breeding of cotton genetic improvement.
Disciplines :
Agriculture & agronomy
Author, co-author :
Feng, Xiaoxu ;  Université de Liège - ULiège > TERRA Research Centre ; State Key Laboratory of Cotton Biology, Institute of Cotton Research, Chinese Academy of Agricultural Sciences, Anyang 455000, China
Liu, Shang;  State Key Laboratory of Cotton Biology, Institute of Cotton Research, Chinese Academy of Agricultural Sciences, Anyang 455000, China
Cheng, Hailiang;  State Key Laboratory of Cotton Biology, Institute of Cotton Research, Chinese Academy of Agricultural Sciences, Anyang 455000, China
Zuo, Dongyun;  State Key Laboratory of Cotton Biology, Institute of Cotton Research, Chinese Academy of Agricultural Sciences, Anyang 455000, China
Zhang, Youping;  State Key Laboratory of Cotton Biology, Institute of Cotton Research, Chinese Academy of Agricultural Sciences, Anyang 455000, China
Wang, Qiaolian;  State Key Laboratory of Cotton Biology, Institute of Cotton Research, Chinese Academy of Agricultural Sciences, Anyang 455000, China
Lv, Limin;  State Key Laboratory of Cotton Biology, Institute of Cotton Research, Chinese Academy of Agricultural Sciences, Anyang 455000, China
Song, Guoli;  State Key Laboratory of Cotton Biology, Institute of Cotton Research, Chinese Academy of Agricultural Sciences, Anyang 455000, China
Language :
English
Title :
Weighted Gene Co-Expression Network Analysis Reveals Hub Genes Contributing to Fuzz Development in Gossypium arboreum.
Publication date :
2021
Journal title :
Genes
ISSN :
2073-4425
Publisher :
MDPI, Switzerland
Volume :
12
Issue :
5
Pages :
753
Peer reviewed :
Peer Reviewed verified by ORBi
Name of the research project :
National Key R & D Plan of China
Funders :
NSCF - National Natural Science Foundation of China
Funding text :
Funding: This work was funded by grants from the National Natural Science Foundation of China (No. 31621005), the National Natural Science Foundation of China (No. 31901581) and the National Key R & D Plan of China (No. 2018YFD0100402).
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