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从潮湿土壤中选和全基因组分析纤维素分解细菌

Tianjiao Zhang^1,2,3,4, Shuli Wei^1,2,3,4, Yajie Liu^1,2,3,4

¹School of Life Science, Inner Mongolia University, Hohhot, China.

Frontiers in microbiology

|August 28, 2023

概括

这项研究对Bacillus velezensis SSF6基因组进行了测序,揭示了其高纤维素降解潜力. 这一发现支持其用于从作物草和工业酶生产中开发清洁能源.

科学领域:

生物技术是生物技术.
基因组学就是基因组学.
酵素工程是什么? 酶工程是什么

背景情况:

农作物草是一个重要的能源,推动了全球对高效生物质降解的兴趣.
识别具有高纤维素降解酶产量的微生物菌株对于清洁能源和工业酶生产至关重要.

研究的目的:

为了对Bacillus velezensis SSF6.6的基因组进行测序.
评估B. velezensis SSF6.6的纤维素降解潜力.
识别与碳水化合物代谢和酶生产相关的基因.

主要方法:

高通量测序 (Illumina PE150和PacBio) 用于基因组测序.
生物信息分析包括在COG,KEGG和CAZyme数据库中的注释.
使用过纸试验 (FPA) 和外葡萄糖酶活性测量量,量化了细胞酶活性.

主要成果:

测序了B. velezensis SSF6基因组 (3.89 Mb,4015 个基因),在碳水化合物代谢中有显著的基因注释.
证实了高纤维素降解能力,FPA为64.48 ± 0.28 U/mL,外葡萄糖酶活性为78.59 ± 0.42 U/mL.
对比基因组学表明,B. velezensis SSF6.6中的碳水化合物酶基因富含.

结论:

基因组测序和酶活性测定证实了B. velezensis SSF6.6强大的纤维素降解能力.
这种菌株为先进的纤维素降解和生物转化应用提供了基础.
这些发现突出了B. velezensis SSF6作为清洁能源和工业酶生产的有希望的候选人.

关键词:

这种病原体是Bacillus velezensis.碳水化合物活性酶的活性酶.纤维素降解细菌可以降解纤维素.对比基因组分析的基因组分析.进行全基因组测序.

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