Comparative Analysis of Anther Transcriptome Profiles of Two Different Rice Male Sterile Lines Genotypes under Cold Stress

International Journal of Molecular Sciences

Bin Bai³  Jun Wu³  Wen-Tao Sheng³  Bo Zhou²  Li-Jie Zhou³  Wen Zhuang¹  Dong-Ping Yao¹  Qi-Yun Deng³  Ann Cuypers⁴ 

[1] Hunan Hybrid Rice Research Center, Changsha 410125, China; E-Mails:;Plant Breeding, Genetics, and Biotechnology Division, International Rice Research Institute, DAPO Box 7777, Metro Manila 1301, Philippines; E-Mail:;State Key Laboratory of Hybrid Rice, Longping Branch of Graduate School, Central South University, Changsha 410013, China; E-Mails:State Key Laboratory of Hybrid Rice, Longping Branch of Graduate School, Central South University, Changsha 410013, China;

关键词: cold stress;    transcriptome;    RNA-Seq;    anther;    PTGMS rice;   

DOI  :  10.3390/ijms160511398

来源: mdpi

【 摘 要 】

Rice is highly sensitive to cold stress during reproductive developmental stages, and little is known about the mechanisms of cold responses in rice anther. Using the HiSeq™ 2000 sequencing platform, the anther transcriptome of photo thermo sensitive genic male sterile lines (PTGMS) rice Y58S and P64S (Pei’ai64S) were analyzed at the fertility sensitive stage under cold stress. Approximately 243 million clean reads were obtained from four libraries and aligned against the oryza indica genome and 1497 and 5652 differentially expressed genes (DEGs) were identified in P64S and Y58S, respectively. Both gene ontology (GO) and Kyoto Encyclopedia of Genes and Genomes (KEGG) analyses were conducted for these DEGs. Functional classification of DEGs was also carried out. The DEGs common to both genotypes were mainly involved in signal transduction, metabolism, transport, and transcriptional regulation. Most of the DEGs were unique for each comparison group. We observed that there were more differentially expressed MYB (Myeloblastosis) and zinc finger family transcription factors and signal transduction components such as calmodulin/calcium dependent protein kinases in the Y58S comparison group. It was also found that ribosome-related DEGs may play key roles in cold stress signal transduction. These results presented here would be particularly useful for further studies on investigating the molecular mechanisms of rice responses to cold stress.

【 授权许可】

CC BY   
© 2015 by the authors; licensee MDPI, Basel, Switzerland.