Complete genome analysis of bacteriochlorophyll acontaining Roseicitreum antarcticum ZS2-28^(T)reveals its adaptation to Antarctic intertidal environment

作     者：ZENG Yinxin YU Yong LI Huirong LUO Wei DING Haitao ZENG Yinxin;YU Yong;LI Huirong;LUO Wei;DING Haitao

作者机构：MNR Key Laboratory for Polar SciencePolar Research Institute of ChinaShanghai 200136China 

出 版 物：《Advances in Polar Science》 (极地科学进展（英文版）)

年 卷 期：2021年第32卷第1期

页      面：20-27页

核心收录：

学科分类：0709[理学-地质学] 0819[工学-矿业工程] 07[理学] 0908[农学-水产] 071007[理学-遗传学] 0710[理学-生物学] 0830[工学-环境科学与工程（可授工学、理学、农学学位）] 0707[理学-海洋科学] 0818[工学-地质资源与地质工程] 0708[理学-地球物理学] 0706[理学-大气科学] 0816[工学-测绘科学与技术] 0825[工学-航空宇航科学与技术] 0713[理学-生态学] 

基　　金：the National Key R&D Program of China(Grant no.2018YFC1406903) the National Natural Science Foundation of China(Grant nos.91851201 and 41476171). 

主　　题：Roseicitreum complete genome adaptation gene transfer strain intertidal sediment Antarctic 

摘      要：Aerobic anoxygenic phototrophic bacteria(AAPB)are photoheterotrophic prokaryotes able to use both light and dissolved organic matter as energy sources.Roseicitreum antarcticum ZS2-28^(T)was isolated from intertidal sediment in the Larsemann Hills,Princess Elizabeth Land,Antarctica,and was able to produce bacteriochlorophyll a.It is the type strain of the sole species within the genus Roseicitreum.The complete genome sequence of the bacterium was determined using Illumina HiSeq X and PacBio RSII systems.The genome of R.antarcticum ZS2-28^(T)was 4253095 bp and consisted of one chromosome and four plasmids.A number of genes related to the bacteriochlorophyll a production,photosynthetic reaction,cold adaptation,salt adaptation,ultra-violet resistance and DNA damage repairing were found in the genome.In addition to genomic islands and typeⅣsecretion systems,genes related to gene transfer agents were detected in the genome of R.antarcticum ZS2-28^(T),suggesting that this bacterium can adapt to its environment by acquiring exogenous nucleic acids.The annotated complete genome sequence provides genetic insights into the environmental adaptation and ecological function of R.antarcticum ZS2-28^(T)in Antarctic coastal area.