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Isolation and diversity analysis of coral-associated DMSP degrading bacteria
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Xiaoyu Tang1, 5, Ying Zhang1, 5, Wenqian Zhang1, 5, Yanying Zhang2, *, Qingsong Yang1, Junde Dong1, 3, 4
Haiyang Xuebao | 2021, 43(6) : 108 - 117
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Haiyang Xuebao | 2021, 43(6): 108-117
• Article •
Isolation and diversity analysis of coral-associated DMSP degrading bacteria
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Xiaoyu Tang1, 5, Ying Zhang1, 5, Wenqian Zhang1, 5, Yanying Zhang2, *, Qingsong Yang1, Junde Dong1, 3, 4
Affiliations
  • 1Key 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
  • 2Ocean School, Yantai University, Yantai 264005, China
  • 3Tropical Marine Biological Research Station in Hainan, Chinese Academy of Sciences, Sanya 572000, China
  • 4Key Laboratory of Tropical Marine Biotechnology of Hainan Province, Sanya Institute of Oceanology, SCSIO, Sanya 572000, China
  • 5College of Resources and Environment, University of Chinese Academy of Sciences, Beijing 100049, China
Published: 2021-06-25 doi: 10.12284/hyxb2021110
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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
Xiaoyu Tang, Ying Zhang, Wenqian Zhang, Yanying Zhang, Qingsong Yang, Junde Dong. 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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Article Info
doi: 10.12284/hyxb2021110
  • Receive Date：2020-12-14
  • Online Date：2026-02-26
  • Published：2021-06-25
Article Data
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History
  • Received：2020-12-14
  • Revised：2021-03-16
Funding
Affiliations
    1Key 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
    2Ocean School, Yantai University, Yantai 264005, China
    3Tropical Marine Biological Research Station in Hainan, Chinese Academy of Sciences, Sanya 572000, China
    4Key Laboratory of Tropical Marine Biotechnology of Hainan Province, Sanya Institute of Oceanology, SCSIO, Sanya 572000, China
    5College of Resources and Environment, University of Chinese Academy of Sciences, Beijing 100049, China
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表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
total species (%)		 属
Genus		 种数
Number of
species		 占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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