Transcriptome analysis of the mantle tissue of Pinctada fucata with red and black shells under salinity stress

文献类型： 外文期刊

第一作者： Sun, Jing

作者： Sun, Jing;Chen, Mingqiang;Fu, Zhengyi;Yu, Gang;Ma, Zhenhua;Sun, Jing;Chen, Mingqiang;Fu, Zhengyi;Yu, Gang;Ma, Zhenhua;Sun, Jing;Chen, Mingqiang;Fu, Zhengyi;Yu, Gang;Ma, Zhenhua;Sun, Jing;Ma, Zhenhua;Xing, Yingchun

作者机构：

关键词： Pinctada fucata; Salinity stress; Transcriptome; Osmotic adjustment; Immune defense

期刊名称：GENE （ 影响因子：3.913； 五年影响因子：3.48 ）

ISSN： 0378-1119

年卷期： 2022 年 823 卷

页码：

收录情况： SCI

摘要： To understand the molecular responses of Pinctada fucata with different shell colors to salinity stress, we used transcriptome sequencing on the mantle of P. fucata with a black shell and red shell color under the salinity of 20, 35, and 50. The 414 and 2371 differentially expressed genes (DEGs) in P. fucata with a black shell under low- or high-salt stress, while there were 588 and 3009 DEGs in P. fucata with a red shell. KEGG pathway enrichment analysis showed that, under low salt stress, the DEGs of P. fucata with the black shell were significantly enriched in pathways MAPK signaling pathway, protein processing in endoplasmic reticulum, vitamin B6 metabolism, longevity regulating pathway-multiple species, estrogen signaling pathway and antigen processing and presentation, the DEGs of P. fucata with a red shell were significantly enriched in pathways vitamin B6 metabolism. Under high salt stress, the DEGs of P. fucata with a red shell were significantly enriched in pathways arginine biosynthesis. 11 DEGs were randomly selected for quantitative real-time PCR, and the results were consistent with the RNA-seq. In addition, under high salt stress, DEGs were enriched into some pathways related to osmotic regulation and immune defense of P. fucata with black shell and red shell, such as Glycolysis / Gluconeogenesis, AMPK signaling pathway, Beta-Alanine metabolism, Glycine, serine and threonine metabolism, MAPK signaling pathway and Phagosome. The study showed that high salt stress had a greater influence on P. fucata with two shell colors, and P. fucata with a black shell made a positive immune defense response. Our results will improve to further understand the salt tolerance mechanism of P. fucata with different shell colors.

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