Gene, Volume (660), No (23), Year (2018-6) , Pages (80-91)

Title : ( Transcriptome profiling and cataloging differential gene expression in floral buds of fertile and sterile lines of cotton (Gossypium hirsutum L.) )

Authors: Rasmieh Hamid , R.S.Tomar , Hassan Marashi , Saeid Malekzadeh Shafaroudi , B.A.Golakiya , M. Mohsenpour ,

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Abstract

Cytoplasmic Male Sterility is maternally inherited trait in plants, characterized by failure to produce functional pollen during anther development. Anther development is modulated through the interaction of nuclear and mitochondrial genes. In the present study, differential gene expression of floral buds at the sporogenous stage (SS) and microsporocyte stage (MS) between CGMS and its fertile maintainer line of cotton plants was studied. A total of 320 significantly differentially expressed genes, including 20 down-regulated and 37 up-regulated in CGMS comparing with its maintainer line at the SS stage, as well as and 89 down-regulated and 4 up-regulated in CGMS compared to the fertile line at MS stage. Comparing the two stages in the same line, there were 6 downregulated differentially expressed genes only induced in CGMS and 9 up-regulated differentially expressed gene only induced in its maintainer. GO analysis revealed essential genes responsible for pollen development, and cytoskeleton category show differential expression between the fertile and CGMS lines. Validation studies by qRT-PCR shows concordance with RNA-seq result. A set of novel SSRs identified in this study can be used in evaluating genetic relationships among cultivars, QTL mapping, and marker-assisted breeding. We reported aberrant expression of genes related to pollen exine formation, and synthesis of pectin lyase, myosine heavy chain, tubulin, actin-beta, heat shock protein and myeloblastosis (MYB) protein as targets for CMS in cotton. The results of this study contribute to basic information for future screening of genes and identification of molecular portraits responsible for CMS as well as to elucidate molecular mechanisms that lead to CMS in cotton.

Keywords

Gossypium hirsutum Differential gene expression Cytoplasmic Genic Male Sterility (CGMS) Transcriptome Genic SSR
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@article{paperid:1069005,
author = {Hamid, Rasmieh and R.S.Tomar and Marashi, Hassan and Malekzadeh Shafaroudi, Saeid and B.A.Golakiya and M. Mohsenpour},
title = {Transcriptome profiling and cataloging differential gene expression in floral buds of fertile and sterile lines of cotton (Gossypium hirsutum L.)},
journal = {Gene},
year = {2018},
volume = {660},
number = {23},
month = {June},
issn = {0378-1119},
pages = {80--91},
numpages = {11},
keywords = {Gossypium hirsutum Differential gene expression Cytoplasmic Genic Male Sterility (CGMS) Transcriptome Genic SSR},
}

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%0 Journal Article
%T Transcriptome profiling and cataloging differential gene expression in floral buds of fertile and sterile lines of cotton (Gossypium hirsutum L.)
%A Hamid, Rasmieh
%A R.S.Tomar
%A Marashi, Hassan
%A Malekzadeh Shafaroudi, Saeid
%A B.A.Golakiya
%A M. Mohsenpour
%J Gene
%@ 0378-1119
%D 2018

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