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海洋所深海化能生态系统共生体宿主-共生菌互作“微生态位”研究取得新进展

撰稿: 海洋研究所 发布时间:2020-12-18
  近日,Cell子刊iScience在线发表了中科院海洋所深海中心李超伦课题组在深海无脊椎动物化能营养共生体的维持和互作机制研究方面的最新成果“Molecular analyses of the gill symbiosis of the bathymodiolin mussel Gigantidas platifrons”,揭示了平端深海偏顶蛤鰓丝组织中非含菌细胞、含菌细胞以及共生菌在维持化能营养共生体的“微生态位”的功能作用。
  与化能菌形成共生体是无脊椎动物适应深海热液/冷泉特殊生境的重要生态策略。平端深海偏顶蛤是南海冷泉区最具代表性的无脊椎动物之一,与甲烷氧化菌建立共生关系。平端深海偏顶蛤的鳃丝是宿主细胞与共生菌建立和维持共生关系的场所。鳃丝由含菌细胞以及周边不含共生菌的纤毛细胞、粘液细胞及间质细胞等多种细胞组成,鳃丝组织的复杂性一直困扰着对宿主-共生菌互作机制的解析。

   

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  WENZHANGXINXI:http://doi.org/10.1016/j.isci.2020.101894