COMPARATIVE TRANSCRIPTOME ANALYSIS PROVIDES INSIGHTS INTO RESPONSE OF ULVA COMPRESSA TO FLUCTUATING SALINITY CONDITIONS

文献类型： 外文期刊

第一作者： Xing, Qikun

作者： Xing, Qikun;Bi, Guiqi;Cao, Min;Mo, Zhaolan;Xing, Qikun;Bi, Guiqi;Cao, Min;Belcour, Arnaud;Aite, Meziane;Mao, Yunxiang;Mao, Yunxiang

作者机构：

关键词： hypo-salinity stress; macroalgal blooms; transcriptome; Ulva compressa

期刊名称：JOURNAL OF PHYCOLOGY （ 影响因子：2.923； 五年影响因子：3.091 ）

ISSN： 0022-3646

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页码：

收录情况： SCI

摘要： Ulva compressa, a green tide-forming species, can adapt to hypo-salinity conditions, such as estuaries and brackish lakes. To understand the underlying molecular mechanisms of hypo-salinity stress tolerance, transcriptome-wide gene expression profiles in U. compressa were created using digital gene expression profiles. The RNA-seq data were analyzed based on the comparison of differently expressed genes involved in specific pathways under hypo-salinity and recovery conditions. The up-regulation of genes in photosynthesis and glycolysis pathways may contribute to the recovery of photosynthesis and energy metabolism, which could provide sufficient energy for the tolerance under long-term hyposaline stress. Multiple strategies, such as ion transportation and osmolytes metabolism, were performed to maintain the osmotic homeostasis. Additionally, several long noncoding RNA were differently expressed during the stress, which could play important roles in the osmotolerance. Our work will serve as an essential foundation for the understanding of the tolerance mechanism of U. compressa under the fluctuating salinity conditions.

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