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Comparative Genomics and Transcriptomics Analyses Reveal a Unique Environmental Adaptability of Vibrio fujianensis

机译：比较基因组学和转录组学分析揭示了福建弧菌独特的环境适应性

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摘要

The genus is ubiquitous in marine environments and uses numerous evolutionary characteristics and survival strategies in order to occupy its niche. Here, a newly identified species, , was deeply explored to reveal a unique environmental adaptability. type strain shared 817 core genes with the species in the population genomic analysis, but possessed unique genes of its own. In addition, was predicated to carry 106 virulence-related factors, several of which were mostly found in other pathogenic species. Moreover, a comparative transcriptome analysis between the low-salt (1% NaCl) and high-salt (8% NaCl) condition was conducted to identify the genes involved in salt tolerance. A total of 913 unigenes were found to be differentially expressed. In a high-salt condition, 577 genes were significantly upregulated, whereas 336 unigenes were significantly downregulated. Notably, differentially expressed genes have a significant association with ribosome structural component and ribosome metabolism, which may play a role in salt tolerance. Transcriptional changes in ribosome genes indicate that may have gained a predominant advantage in order to adapt to the changing environment. In conclusion, to survive in adversity, has enhanced its environmental adaptability and developed various strategies to fill its niche.
机译：该属在海洋环境中无处不在，并利用许多进化特征和生存策略来占据其特殊位置。在这里，对新发现的物种进行了深入探索，以揭示其独特的环境适应性。种群基因组分析中，该类型菌株与该物种共有817个核心基因，但拥有自己的独特基因。此外，据推测携带106种与毒力相关的因子，其中一些主要在其他病原体中发现。此外，在低盐（1％NaCl）和高盐（8％NaCl）条件之间进行了比较转录组分析，以鉴定参与耐盐性的基因。发现总共913个单基因差异表达。在高盐条件下，577个基因显着上调，而336个单基因显着下调。值得注意的是，差异表达的基因与核糖体的结构成分和核糖体的代谢有着显着的联系，这可能在耐盐性中起作用。核糖体基因的转录变化表明，为了适应不断变化的环境，核糖体基因可能已经获得了优势。总之，要在逆境中生存，必须增强其环境适应能力，并制定各种战略来填补其利基市场。

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