Fukuyoa paulensis gen. et sp nov., a New Genus for the Globular Species of the Dinoflagellate Gambierdiscus (Dinophyceae)
Gomez, Fernando1; Qiu, Dajun1; Lopes, Rubens M.1; Lin, Senjie1; fernando.gomez@fitoplancton.com
2015
发表期刊PLOS ONE
卷号10期号:4页码:e0119676-
摘要The marine epiphytic dinoflagellate Gambierdiscus is a toxicologically important genus responsible for ciguatera fish poisoning, the principal cause of non-bacterial illness associated with fish consumption. The genus currently contains species exhibiting either globular or anterior-posteriorly compressed morphologies with marked differences in cell shape and plate arrangement. Here we report a third globular, epiphytic and tychoplanktonic species from the coasts of Ubatuba, Brazil. The new species can be distinguished from G. yasumotoi and G. ruetzleri by its broader first apical plate that occupies a larger portion of the epitheca. Accordingly, phylogenetic trees from small subunit (SSU) and large subunit (LSU) ribosomal DNA sequences also showed strongly supported separation of the new species from the G. yasumotoi / G. ruetzleri group albeit with short distance. The molecular phylogenies, which included new sequences of the planktonic species Goniodoma polyedricum, further indicated that the globular species of Gambierdiscus formed a tight clade, clearly separated (with strong bootstrap support) from the clade of lenticular species including the type for Gambierdiscus. The morphological and molecular data in concert support the split of Gambierdiscus sensu lato into two genera. Gambierdiscus sensu stricto should be reserved for the species with lenticular shapes, highly compressed anterioposteriorly, with short-shank fishhook apical pore plate, large 2' plate, low and ascending cingular displacement, and pouch-like sulcal morphology. The new genus name Fukuyoa gen. nov. should be applied to the globular species, slightly laterally compressed, with long-shank fishhook apical pore plate, large 1' plate, greater and descending cingular displacement, and not pouch-like vertically-oriented sulcal morphology. Fukuyoa contains the new species Fukuyoa paulensis gen. et sp. nov., and F. yasumotoi comb. nov. and F. ruetzleri comb. nov.
部门归属LMB
学科领域Science & Technology - Other Topics
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文献类型期刊论文
条目标识符http://ir.scsio.ac.cn/handle/344004/14850
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fernando.gomez@fitoplancton.com
作者单位1.[Gomez, Fernando
2.Lopes, Rubens M.] Univ Sao Paulo, Oceanog Inst, Lab Plankton Syst, Sao Paulo, Brazil
3.[Qiu, Dajun] Chinese Acad Sci, South China Sea Inst Oceanol, CAS Key Lab Trop Marine Bioresources & Ecol, Guangzhou, Guangdong, Peoples R China
4.[Lin, Senjie] Xiamen Univ, State Key Lab Marine Environm Sci & Marine Biodiv, Xiamen, Peoples R China
5.[Lin, Senjie] Xiamen Univ, Global Change Res Ctr, Xiamen, Peoples R China
6.[Lin, Senjie] Univ Connecticut, Dept Marine Sci, Groton, CT 06340 USA
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Gomez, Fernando,Qiu, Dajun,Lopes, Rubens M.,et al. Fukuyoa paulensis gen. et sp nov., a New Genus for the Globular Species of the Dinoflagellate Gambierdiscus (Dinophyceae)[J]. PLOS ONE,2015,10(4):e0119676-.
APA Gomez, Fernando,Qiu, Dajun,Lopes, Rubens M.,Lin, Senjie,&fernando.gomez@fitoplancton.com.(2015).Fukuyoa paulensis gen. et sp nov., a New Genus for the Globular Species of the Dinoflagellate Gambierdiscus (Dinophyceae).PLOS ONE,10(4),e0119676-.
MLA Gomez, Fernando,et al."Fukuyoa paulensis gen. et sp nov., a New Genus for the Globular Species of the Dinoflagellate Gambierdiscus (Dinophyceae)".PLOS ONE 10.4(2015):e0119676-.
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