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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
发表期刊CHINESE JOURNAL OF OCEANOLOGY AND LIMNOLOGY
卷号35期号:6页码:1442-1453
文章类型Article
摘要The 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.
关键词Coi Gelidium Johnstonii Phylogeny Rbcl Taxonomy
DOI10.1007/s00343-017-5340-1
收录类别SCI
语种英语
WOS记录号WOS:000415810900015
引用统计
文献类型期刊论文
版本出版稿
条目标识符http://ir.qdio.ac.cn/handle/337002/143284
专题实验海洋生物学重点实验室
作者单位1.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
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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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