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Taxonomic revision of Gelidium tsengii and Gelidium honghaiwanense sp nov (Gelidiales, Rhodophyta) from China based upon molecular and morphological data analyses
Wang Xulei1,2,3; Xia Bangmei4; Bottalico, Antonella5; Wang Guangce1,2
2017-11-01
Source PublicationCHINESE JOURNAL OF OCEANOLOGY AND LIMNOLOGY
Volume35Issue:6Pages:1442-1453
SubtypeArticle
AbstractThe taxonomic relationship of Chinese Gelidium tsengii and Gelidium johnstonii was ambiguous. For almost 20 years they have been regarded as distinct taxa and until 2002 G. johnstonii was considered as a misapplied name of G. tsengii. In this study, herbarium specimens that initially attributed to G. tsengii and fresh G. tsengii specimens were used to address the taxonomic issues. In phylogenetic studies, G. tsengii from Dayawan, China, near the type locality of G. tsengii and G. johnstonii from Sonora, Mexico, the type locality of G. johnstonii, formed a monophyletic group with maximum support in rbcL and COI genes analyses, indicating that they were genetically identical. In morphological studies, G. tsengii was similar to G. johnstonii in branching pattern, inner structures and fructiferous organs. Consequently, we considered that semi-circular outline of G. tsengii could no longer be treated as a discrimating feature. G. johnstonii had priority of publication and according to the International Code of Botanical Nomenclature, G. tsengii was proposed as a synonym of G. johnstonii. Gelidium honghaiwanense sp. nov. was described from Guangdong, China on the basis of morphological and molecular data. For vegetative structures, it was characterized by flattened upright frond, regular two-three times branches pinnate or alternate and clavate ultimate branchlets. For reproductive structures, the tetrasporangial sori were in the apical part of branches and the tetrasporangial branchlets were distichously distributed along second order branches. The present study clarified the relationship between G. tsengii and G. johnstonii from Guangdong and added a new Gelidium species to the Chinese algal flora.
KeywordCoi Gelidium Johnstonii Phylogeny Rbcl Taxonomy
DOI10.1007/s00343-017-5340-1
Indexed BySCI
Language英语
WOS IDWOS:000415810900015
Citation statistics
Document Type期刊论文
Version出版稿
Identifierhttp://ir.qdio.ac.cn/handle/337002/143284
Collection实验海洋生物学重点实验室
Affiliation1.Chinese Acad Sci, Inst Oceanol, Key Lab Expt Marine Biol, Qingdao 266071, Peoples R China
2.Qingdao Natl Lab Marine Sci & Technol, Lab Marine Biol & Biotechnol, Qingdao 266071, Peoples R China
3.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
4.Chinese Acad Sci, Inst Oceanol, Dept Marine Organism Taxon & Phylogeny, Qingdao 266071, Peoples R China
5.Univ Bari A Moro, Dept Biol, I-70125 Bari, Italy
First Author Affilication中国科学院海洋研究所
Recommended Citation
GB/T 7714
Wang Xulei,Xia Bangmei,Bottalico, Antonella,et al. Taxonomic revision of Gelidium tsengii and Gelidium honghaiwanense sp nov (Gelidiales, Rhodophyta) from China based upon molecular and morphological data analyses[J]. CHINESE JOURNAL OF OCEANOLOGY AND LIMNOLOGY,2017,35(6):1442-1453.
APA Wang Xulei,Xia Bangmei,Bottalico, Antonella,&Wang Guangce.(2017).Taxonomic revision of Gelidium tsengii and Gelidium honghaiwanense sp nov (Gelidiales, Rhodophyta) from China based upon molecular and morphological data analyses.CHINESE JOURNAL OF OCEANOLOGY AND LIMNOLOGY,35(6),1442-1453.
MLA Wang Xulei,et al."Taxonomic revision of Gelidium tsengii and Gelidium honghaiwanense sp nov (Gelidiales, Rhodophyta) from China based upon molecular and morphological data analyses".CHINESE JOURNAL OF OCEANOLOGY AND LIMNOLOGY 35.6(2017):1442-1453.
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