IOCAS-IR
Phenotypic plasticity and taxonomy ofCladophora gracilis(Griffiths) Kutzing (Cladophorales, Chlorophyta) in the western Yellow Sea with the implication of its DNA barcode
Huang, Bingxin1,2,3; Teng, Linhong2; Jiang, Jingjing1,3; Ding, Lanping1,2,3
2020-06-19
Source PublicationACTA OCEANOLOGICA SINICA
ISSN0253-505X
Pages9
Corresponding AuthorDing, Lanping(skydlp@tjnu.edu.cn)
AbstractDue to extensive morphological plasticity, the taxonomy ofCladophoraspecies remains unclear. As one of the widely distributed species,C. graciliswas reported to hold many varieties, which make it difficult to identify the species. This study explored the morphology diversity of nineC. gracilissamples collected along the coast of western Yellow Sea. Some samples showed extremely varied characteristics, by which one cannot classify them correctly. Hence, 18S rDNA and nuclear ribosomal DNA internal transcribed spacer regions (ITS) sequences were employed to delimit species. For 18S rDNA, sequence similarity ranged from 99.6% to 100%. For ITS region, the similarity ranged from 98.7% to 100%. Molecular data strongly suggested that the morphologically heterogeneous samples were actually the same species. Characteristics comparison of the samples revealed that the taxonomy criteria including branching pattern and density, thallus color, height and texture varied widely, influenced by environmental conditions and age of alga. Besides, cell dimensions, as the relatively stable criterion, also exhibited intraspecific variance. Successful application of 18S rDNA and ITS sequences indicated that molecular method can be a powerful assistant as DNA barcodes to traditional morphology taxonomy.
KeywordCladophora gracilis morphology observation molecular identification 18S rDNA ITS
DOI10.1007/s13131-020-1586-0
Indexed BySCI
Language英语
WOS Research AreaOceanography
WOS SubjectOceanography
WOS IDWOS:000541315000002
PublisherSPRINGER
Citation statistics
Document Type期刊论文
Identifierhttp://ir.qdio.ac.cn/handle/337002/167763
Collection中国科学院海洋研究所
Corresponding AuthorDing, Lanping
Affiliation1.Tianjin Normal Univ, Coll Life Sci, Tianjin 300387, Peoples R China
2.Chinese Acad Sci, Inst Oceanol, Qingdao 266071, Peoples R China
3.Tianjin Key Lab Anim & Plant Resistance, Tianjin 300387, Peoples R China
First Author AffilicationInstitute of Oceanology, Chinese Academy of Sciences
Corresponding Author AffilicationInstitute of Oceanology, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
Huang, Bingxin,Teng, Linhong,Jiang, Jingjing,et al. Phenotypic plasticity and taxonomy ofCladophora gracilis(Griffiths) Kutzing (Cladophorales, Chlorophyta) in the western Yellow Sea with the implication of its DNA barcode[J]. ACTA OCEANOLOGICA SINICA,2020:9.
APA Huang, Bingxin,Teng, Linhong,Jiang, Jingjing,&Ding, Lanping.(2020).Phenotypic plasticity and taxonomy ofCladophora gracilis(Griffiths) Kutzing (Cladophorales, Chlorophyta) in the western Yellow Sea with the implication of its DNA barcode.ACTA OCEANOLOGICA SINICA,9.
MLA Huang, Bingxin,et al."Phenotypic plasticity and taxonomy ofCladophora gracilis(Griffiths) Kutzing (Cladophorales, Chlorophyta) in the western Yellow Sea with the implication of its DNA barcode".ACTA OCEANOLOGICA SINICA (2020):9.
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