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首页> 外文期刊>Botanica Marina >Comprehensive analysis and identification of heat-responsive genes in Agarophyton vermiculophyllum by RNA-sequencing
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Comprehensive analysis and identification of heat-responsive genes in Agarophyton vermiculophyllum by RNA-sequencing

机译：RNA测序血糖膜蛭咽术中热敏敏感基因的综合分析与鉴定

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摘要

Agarophyton vermiculophyllum is a commercially important red alga for agar production in the Northwest Pacific Ocean and is an invasive seaweed in Europe. High temperature is an important environmental stressor that influences its growth, metabolism, and migration. Nevertheless, little is known about the molecular mechanisms underpinning the response of A. vermiculophyllum to heat stress. Using RNA-sequencing, we performed the first comprehensive transcriptome analysis of A. vermiculophyllum under heat stress to explore and identify potentially important heat stress-responsive genes. After de novo assembly of the transcriptome, 55,486 unigenes were found, of which 39,687 unigenes (71.52%) were functionally annotated. In total, 2,923 differentially expressed genes (DEGs) were detected between heat-stressed and control samples. Heat shock proteins represented the most abundant DEGs. Transcript factors were also significantly differently expressed under heat stress. Meanwhile, the photoprotective mechanism based on PsbS (Photosystem II subunit S) related nonphotochemical quenching and PGR5 (proton gradient regulation 5) dependent cyclic electron flow around photosystem I was found to be promoted under heat stress, which may help A. vermiculophyllum to cope with the high temperature. This study lays an important foundation for further elucidation of the molecular mechanism underlying heat tolerance in A. vermiculophyllum.
机译：伞炎蛭咽睫毛是西北太平洋西北地区的琼脂生产的商业上重要的红藻，是欧洲的侵袭性海藻。高温是一种重要的环境压力，影响其生长，新陈代谢和迁移。尽管如此，关于支撑蛭糊糊的响应以热应激的分子机制很少。使用RNA测序，我们在热应激下进行了对蛭体的第一个综合转录体分析，探讨了潜在的重要热应激响应基因。在转录组的Novo组装之后，发现55,486个未成熟，其中39,687个未固体（71.52％）在功能上注释。在热应激和对照样品之间检测到总共2,923个差异表达基因（DEGS）。热休克蛋白代表最丰富的含量。在热应激下，转录因子也显着不同地表达。同时，基于PSBS（光系统II亚基S）相关非光学淬火和PGR5（质子梯度调节5）依赖性循环电子流的光保护机制在热胁迫下促进了促进的热应激，这可能有助于抑制蜡脑油高温。该研究为进一步阐明了一种耐热耐受性耐热性释放的重要基础。

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