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MORPHOLOGY, ULTRASTRUCTURE, AND MOLECULAR PHYLOGENY OF WANGODINIUM SINENSE GEN. ET SP NOV (GYMNODINIALES, DINOPHYCEAE) AND REVISITING OF GYMNODINIUM DORSALISULCUM AND GYMNODINIUM IMPUDICUM
Luo, Zhaohe1; Hu, Zhangxi2; Tang, Yingzhong2; Mertens, Kenneth Neil3; Leaw, Chui Pin4; Lim, Po Teen4; Teng, Sing Tung5; Wang, Lei1; Gu, Haifeng1
2018-10-01
Source PublicationJOURNAL OF PHYCOLOGY
ISSN0022-3646
Volume54Issue:5Pages:744-761
Corresponding AuthorGu, Haifeng(guhaifeng@tio.org.cn)
AbstractThe genus Gymnodinium includes many morphologically similar species, but molecular phylogenies show that it is polyphyletic. Eight strains of Gymnodinium impudicum, Gymnodinium dorsalisulcum and a novel Gymnodinium-like species from Chinese and Malaysian waters and the Mediterranean Sea were established. All of these strains were examined with light microscopy, scanning electron microscopy and transmission electron microscopy. SSU, LSU and internal transcribed spacers rDNA sequences were obtained. A new genus, Wangodinium, was erected to incorporate strains with a loop-shaped apical structure complex (ASC) comprising two rows of amphiesmal vesicles, here referred to as a new type of ASC. The chloroplasts of Wangodinium sinense are enveloped by two membranes. Pigment analysis shows that peridinin is the main accessory pigment in W. sinense. Wangodinium differs from other genera mainly in its unique ASC, and additionally differs from Gymnodinium in the absence of nuclear chambers, and from Lepidodinium in the absence of Chl b and nuclear chambers. New morphological information was provided for G. dorsalisulcum and G. impudicum, e.g., a short sulcal intrusion in G. dorsalisulcum; nuclear chambers in G. impudicum and G. dorsalisulcum; and a chloroplast enveloped by two membranes in G. impudicum. Molecular phylogeny was inferred using maximum likelihood and Bayesian inference with independent SSU and LSU rDNA sequences. Our results support the classification of Wangodinium within the Gymnodiniales sensu stricto clade and it is close to Lepidodinium. Our results also support the close relationship among G. dorsalisulcum, G. impudicum, and Barrufeta. Further research is needed to assign these Gymnodinium species to Barrufeta or to erect new genera.
Keywordapical structure complex cyst dinoflagellate Lepidodinium nuclear chambers pigment pyrenoid ultrastructure
DOI10.1111/jpy.12780
Indexed BySCI
Language英语
Funding ProjectNational Natural Science Foundation of China[41676117] ; NSFC-Shandong Joint Fund for Marine Ecology and Environmental Sciences[U1606404] ; Qingdao National Laboratory for Marine Science[2016ASKJ02] ; MOSTI ; Scientific and Technological Innovation Project
WOS Research AreaPlant Sciences ; Marine & Freshwater Biology
WOS SubjectPlant Sciences ; Marine & Freshwater Biology
WOS IDWOS:000446171600014
PublisherWILEY
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.qdio.ac.cn/handle/337002/157532
Collection海洋生态与环境科学重点实验室
Corresponding AuthorGu, Haifeng
Affiliation1.SOA, Inst Oceanog 3, Xiamen 361005, Peoples R China
2.Chinese Acad Sci, Inst Oceanol, CAS Key Lab Marine Ecol & Environm Sci, Qingdao 266071, Peoples R China
3.IFREMER, LER BO, Stn Biol Marine, Pl Croix,BP40537, F-29185 Concarneau, France
4.Univ Malaya, Inst Ocean & Earth Sci, Bachok Marine Res Stn, Bachok 16310, Kelantan, Malaysia
5.Univ Malaysia Sarawak, Fac Resource Sci & Technol, Kota Samarahan 94300, Sarawak, Malaysia
Recommended Citation
GB/T 7714
Luo, Zhaohe,Hu, Zhangxi,Tang, Yingzhong,et al. MORPHOLOGY, ULTRASTRUCTURE, AND MOLECULAR PHYLOGENY OF WANGODINIUM SINENSE GEN. ET SP NOV (GYMNODINIALES, DINOPHYCEAE) AND REVISITING OF GYMNODINIUM DORSALISULCUM AND GYMNODINIUM IMPUDICUM[J]. JOURNAL OF PHYCOLOGY,2018,54(5):744-761.
APA Luo, Zhaohe.,Hu, Zhangxi.,Tang, Yingzhong.,Mertens, Kenneth Neil.,Leaw, Chui Pin.,...&Gu, Haifeng.(2018).MORPHOLOGY, ULTRASTRUCTURE, AND MOLECULAR PHYLOGENY OF WANGODINIUM SINENSE GEN. ET SP NOV (GYMNODINIALES, DINOPHYCEAE) AND REVISITING OF GYMNODINIUM DORSALISULCUM AND GYMNODINIUM IMPUDICUM.JOURNAL OF PHYCOLOGY,54(5),744-761.
MLA Luo, Zhaohe,et al."MORPHOLOGY, ULTRASTRUCTURE, AND MOLECULAR PHYLOGENY OF WANGODINIUM SINENSE GEN. ET SP NOV (GYMNODINIALES, DINOPHYCEAE) AND REVISITING OF GYMNODINIUM DORSALISULCUM AND GYMNODINIUM IMPUDICUM".JOURNAL OF PHYCOLOGY 54.5(2018):744-761.
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