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Comparative Transcriptome Sequence Analysis of Sporulation-Related Genes of Aspergillus cristatus in Response to Low and High Osmolarity

文献类型： 外文期刊

作者： Ge, Yongyi 1 ; Yu, Fengming 1 ; Tan, Yumei 2 ; Zhang, Xiaoling 4 ; Liu, Zuoyi 2 ;

作者机构： 1.Guizhou Univ, Coll Life & Sci, Guiyang 550025, Guizhou, Peoples R China

2.Guizhou Key Lab Agr Biotechnol, Guiyang 550006, Guizhou, Peoples R China

3.Guizhou Acad Agr Sci, Guiyang 550006, Guizhou, Peoples R China

4.Chinese Acad Sci, Inst Microbiol, State Key Lab Mycol, Beijing 100101, Peoples R China

期刊名称：CURRENT MICROBIOLOGY （ 影响因子：2.188； 五年影响因子：2.197 ）

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收录情况： SCI

摘要： Aspergillus cristatus undergoes sexual and asexual development under conditions of low and high osmotic pressure, respectively. In this study, the expression levels of 107 genes associated with sexual and asexual development were analysed under conditions of low and high osmotic pressure by RNA sequencing. The results showed that 37 genes were up-regulated and other genes were down-regulated under conditions of high osmotic pressure, with most of the up-regulated genes associated with asexual development and most down-regulated genes associated with sexual development. These results suggest that osmotic pressure regulated sexual and asexual development of A. cristatus by controlling the expression levels of key genes. Meanwhile, there were differences in the expression levels of key genes associated with the regulation of sexual and asexual development between A. cristatus and Aspergillus nidulans. Moreover, we verified the reliability of the results by quantitative real-time polymerase chain reaction analysis of some key genes. In this study, the relationship between sporulation-related genes and osmotic pressure at the transcriptome level were analysed, which indicated that A. cristatus was a useful model organism for the study of osmotic pressure regulation on sexual and asexual development.

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