Isolation and diversity analysis of coral-associated DMSP degrading bacteria

Tang Xiaoyu; Zhang Ying; Zhang Wenqian; Zhang Yanying; Yang Qingsong; Dong Junde

doi:10.12284/hyxb2021110

Volume 43 Issue 6

Jun. 2021

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Tang Xiaoyu，Zhang Ying，Zhang Wenqian, et al. Isolation and diversity analysis of coral-associated DMSP degrading bacteria[J]. Haiyang Xuebao，2021, 43(6)：108–117 doi: 10.12284/hyxb2021110

Citation:

Tang Xiaoyu，Zhang Ying，Zhang Wenqian, et al. Isolation and diversity analysis of coral-associated DMSP degrading bacteria[J]. Haiyang Xuebao，2021, 43(6)：108–117 doi: 10.12284/hyxb2021110

Citation:

Tang Xiaoyu，Zhang Ying，Zhang Wenqian, et al. Isolation and diversity analysis of coral-associated DMSP degrading bacteria[J]. Haiyang Xuebao，2021, 43(6)：108–117 doi: 10.12284/hyxb2021110

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Isolation and diversity analysis of coral-associated DMSP degrading bacteria

doi: 10.12284/hyxb2021110

Tang Xiaoyu^{1, 5
,},
Zhang Ying^{1, 5},
Zhang Wenqian^{1, 5},
Zhang Yanying^{2
,
,},
Yang Qingsong¹,
Dong Junde^{1, 3, 4}

1.
Key Laboratory of Tropical Marine Bio-resources and Ecology/Guangdong Provincial Key Laboratory of Marine Biology Applications, South China Sea Institute of Oceanology, Chinese Academy of Sciences, Guangzhou 510301, China
2.
Ocean School, Yantai University, Yantai 264005, China
3.
Tropical Marine Biological Research Station in Hainan, Chinese Academy of Sciences, Sanya 572000, China
4.
Key Laboratory of Tropical Marine Biotechnology of Hainan Province, Sanya Institute of Oceanology, SCSIO, Sanya 572000, China
5.
College of Resources and Environment, University of Chinese Academy of Sciences, Beijing 100049, China

Received Date: 2020-12-14
Rev Recd Date: 2021-03-16

Available Online: 2021-04-25

Publish Date: 2021-06-30

Abstract

Abstract

Dimethylsulfoniopropionate (DMSP) is one of the most abundant organic sulfur molecules on earth, and plays an important role in global sulfur cycle and climate regulation. DMSP is the principal precursor of dimethyl sulfide (DMS), which can be degraded through many ways in the ocean, and microbial degradation is one of the most important ways. Coral reef is one of the major sources of marine DMS, and coral-associated DMSP degrading bacteria play an important role in the process of DMS production. In the present study, 39 strains of DMSP degrading bacteria were isolated from six reef building corals, including Acropora millepora, Acropora formosa, Acropora echinata, Acropora digitifera, Pocillopora damicornis, and Galaxea fascicularis. The phylogenetic analysis of DMSP degrading bacteria was performed based on 16S rRNA gene sequence, 39 strains of DMSP degrading bacteria belonged to 4 phyla, 6 classes, and 19 genera, the dominant genus was Bacillus. The DMS production efficiency of DMSP degrading bacteria were analyzed by GC-FPD detection of DMSP products, the results showed that 9 strains had the ability of high DMS production. The probiotic effects of bacteria with high DMS production on corals in response to climate warming need to be further studied.
- DMSP,
- DMS,
- degrading bacteria,
- coral reef ecosystems,
- sulfur cycle

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References(48)

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