In situ cultivation of deep-sea water with bicarbonate fueled a different microbial community

被引:0
|
作者
Yong Wang
Jun Li
Zhanfei Wei
Qingmei Li
Yingli Zhou
Wenli Li
Jun Chen
Suixue Wang
Yongzhi Xin
Aiqun Zhang
机构
[1] Chinese Academy of Sciences,Institute of Deep
[2] Tsinghua Shenzhen International Graduate School,sea Science and Engineering
[3] University of Chinese Academy of Sciences,Institute for Ocean Engineering
来源
Acta Oceanologica Sinica | 2022年 / 41卷
关键词
carbon fixation; MISNAC; CO; community structure;
D O I
暂无
中图分类号
学科分类号
摘要
Some deep-sea microbes may incorporate inorganic carbon to reduce CO2 emission to upper layer and atmosphere. How the microbial inhabitants can be affected under addition of bicarbonate has not been studied using in situ fixed and lysed samples. In this study, we cultivated 40 L natural bottom water at ∼1 000 m depth with a final concentration of 0.1 mmol/L bicarbonate for 40 min and applied multiple in situ nucleic acids collection (MISNAC) apparatus for nucleic acids extraction from the cultivation. Our classification result of the cultivation sample showed a distinct microbial community structure, compared with the samples obtained by Niskin bottle and six working units of MISNAC. Except for notable enrichment of Alteromonas, we detected prevalence of Asprobacter, Ilumatobacter and Saccharimonadales in the cultivation. Deep-sea lineages of Euryarchaeota, SAR406, SAR202 and SAR324 were almost completely absent from the cultivation and Niskin samples. This study revealed the dominant microbes affected by bicarbonate addition and Niskin sampling, which suggested rapid responses of deep-sea microbes to the environmental changes.
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页码:98 / 104
页数:6
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