Cryptophyte farming by symbiotic ciliate host detected in situ
Qiu, Dajun; Huang, Liangmin; Lin, Senjie; Lin, SJ (reprint author), Univ Connecticut, Dept Marine Sci, Groton, CT 06340 USA.
2016
发表期刊PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA
卷号113期号:43页码:12208-12213
摘要Protist-alga symbiosis is widespread in the ocean, but its characteristics and function in situ remain largely unexplored. Here we report the symbiosis of the ciliate Mesodinium rubrum with cryptophyte cells during a red-tide bloom in Long Island Sound. In contrast to the current notion that Mesodinium retains cryptophyte chloroplasts or organelles, our multiapproach analyses reveal that in this bloom the endosymbiotic Teleaulax amphioxeia cells were intact and expressing genes of membrane transporters, nucleus-to-cytoplasm RNA transporters, and all major metabolic pathways. Among the most highly expressed were ammonium transporters in both organisms, indicating cooperative acquisition of ammonium as a major N nutrient, and genes for photosynthesis and cell division in the cryptophyte, showing active population proliferation of the endosymbiont. We posit this as a "Mesodinium-farming-Teleaulax" relationship, a model of protist-alga symbiosis worth further investigation by metatranscriptomic technology.
部门归属[Qiu, Dajun; Huang, Liangmin] Chinese Acad Sci, Key Lab Trop Marine Bioresources & Ecol, South China Sea Inst Oceanol, Guangzhou 510301, Guangdong, Peoples R China; [Lin, Senjie] Univ Connecticut, Dept Marine Sci, Groton, CT 06340 USA ; LMB
关键词Cryptophyte Teleaulax Mesodinium Rubrum Red-tide Bloom Intact Endosymbiont Metatranscriptome
学科领域Science & Technology - Other Topics
文献类型期刊论文
条目标识符http://ir.scsio.ac.cn/handle/344004/15271
专题中科院海洋生物资源可持续利用重点实验室
通讯作者Lin, SJ (reprint author), Univ Connecticut, Dept Marine Sci, Groton, CT 06340 USA.
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Qiu, Dajun,Huang, Liangmin,Lin, Senjie,et al. Cryptophyte farming by symbiotic ciliate host detected in situ[J]. PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA,2016,113(43):12208-12213.
APA Qiu, Dajun,Huang, Liangmin,Lin, Senjie,&Lin, SJ .(2016).Cryptophyte farming by symbiotic ciliate host detected in situ.PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA,113(43),12208-12213.
MLA Qiu, Dajun,et al."Cryptophyte farming by symbiotic ciliate host detected in situ".PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA 113.43(2016):12208-12213.
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