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Effects of Pseudoalteromonas marina flagellin on biofilm formationand settlement of Mytilus coruscus
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Yushan Cai1, 2, Xiukun Zhang1, 2, Youting Zhu1, 2, 3, Jinlong Yang1, 2, 3, Xiao Liang1, 2, 3, *
Haiyang Xuebao | 2021, 43(4) : 75 - 83
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Haiyang Xuebao | 2021, 43(4): 75-83
• Article •
Effects of Pseudoalteromonas marina flagellin on biofilm formationand settlement of Mytilus coruscus
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Yushan Cai1, 2, Xiukun Zhang1, 2, Youting Zhu1, 2, 3, Jinlong Yang1, 2, 3, Xiao Liang1, 2, 3, *
Affiliations
  • 1International Research Center for Marine Biosciences, Ministry of Science and Technology, Shanghai Ocean University, Shanghai 201306, China
  • 2Key Laboratory of Exploration and Utilization of Aquatic Genetic Resources, Ministry of Education, Shanghai Ocean University, Shanghai 201306, China
  • 3Southern Marine Science and Engineering Guangdong Laboratory (Guangzhou), Guangzhou 511458, China
Published: 2021-04-25 doi: 10.12284/hyxb2021028
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Most marine invertebrates undergo planktonic and benthic stages during growth. As a marine economic shellfish and macrofouling organism, Mytilus coruscus has attracted widespread attention. To explore the interaction between marine bacteria and the mussel settlement, Pseudoalteromonas marina, which has a high inducing activity for the plantigrade settlement of the M. coruscus was chosen and the flagellin was extracted by acid hydrolysis ultracentrifugation. The impact of extracted flagellin mixed with agarose solution to on plantigrade settlement was tested directly. The P. marina biofilms treated with extracted flagellin were used to investigate the inducing capacity on plantigrade settlement. Changes in biomass, bacterial density and extracellular products of the biofilms were analyzed by confocal laser scanning microscopy. The results showed that the mixed gel containing P. marina flagellin and agarose significantly promoted the settlement of plantigrades. In other treatment, the flagellin-treated biofilms also had a high inductivity of plantigrade settlement. Biomass, bacterial density, membrane thickness, extracellular β-polysaccharide, lipid and protein contents all increased. The study reveals that flagellin can directly regulate the settlement of plantigrades and control the inductivity by changing the biological characteristics of the P. marina biofilm indirectly. The study is valuable for clarifying the interaction between bacterial flagellin and plantigrade settlement of the M. coruscus.

biofilm  /  flagellin  /  Mytilus coruscus  /  plantigrade  /  settlement
Yushan Cai, Xiukun Zhang, Youting Zhu, Jinlong Yang, Xiao Liang. Effects of Pseudoalteromonas marina flagellin on biofilm formationand settlement of Mytilus coruscus[J]. Haiyang Xuebao, 2021 , 43 (4) : 75 -83 . DOI: 10.12284/hyxb2021028
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Year 2021 volume 43 Issue 4
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Article Info
doi: 10.12284/hyxb2021028
  • Receive Date：2020-07-07
  • Online Date：2026-02-26
  • Published：2021-04-25
Article Data
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History
  • Received：2020-07-07
  • Revised：2020-10-26
Funding
Affiliations
    1International Research Center for Marine Biosciences, Ministry of Science and Technology, Shanghai Ocean University, Shanghai 201306, China
    2Key Laboratory of Exploration and Utilization of Aquatic Genetic Resources, Ministry of Education, Shanghai Ocean University, Shanghai 201306, China
    3Southern Marine Science and Engineering Guangdong Laboratory (Guangzhou), Guangzhou 511458, 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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