Microbacterium sediminis YLB-01^T, a piezotolerant and psychrotolerant actinomycete, was isolated from deep-sea sediment of the South-West Indian Ocean and could be a good model for understanding the adaptation of extremophiles to the benthic piezosphere. Here, we report the analysis of the complete genome sequence of strain YLB-01^T. The genome sequence consists of a single circular chromosome comprising 2,792,195 bp and a linear plasmid comprising 127,669 bp with G + C content of 71.76 and 68.49 mol%, respectively. In this regard, strain YLB-01^T possesses the smallest genome size but the highest G + C content among the genus Microbacterium sequenced to date. As the first complete genome sequence of the genus Microbacterium isolated from deep-sea environment, the strain YLB-01^T genome is unique or enriched in genes involved in xenobiotics biodegradation and metabolism, compatible solutes, and transposases, some of which might be related to bacterial enhancement of ecological fitness in the deep sea.

Microbacterium sediminis YLB-01 ^T是一种耐压和耐冷放线菌，是从西南印度洋的深海沉积物中分离出来的，可以作为了解极端微生物对底栖压电圈适应性的一个很好的模型。在这里，我们报告了菌株 YLB-01 ^T的完整基因组序列的分析。基因组序列由包含 2,792,195 bp 的单个环状染色体和包含 127,669 bp 的线性质粒组成，G + C 含量分别为 71.76 和 68.49 mol%。在这方面，菌株 YLB-01 ^T在迄今为止测序的微杆菌属中拥有最小的基因组大小但最高的 G + C 含量。作为该属的第一个完整基因组序列从深海环境中分离出的微生物，菌株 YLB-01 ^T基因组是独特的或富含与异生物质生物降解和代谢、相容溶质和转座酶有关的基因，其中一些可能与细菌增强深海生态适应性有关.