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AFLP analysis revealed a north to south genetic break in the brown alga Sargassum thunbergii along the coast of China
Liu, Juan1,2; Zhan, Dongmei3; Zhang, Rui1,2; Zeng, Lu1,2; Wang, Gaoge1,2; Hu, Zi-Min4,5
2018-08-01
Source PublicationJOURNAL OF APPLIED PHYCOLOGY
ISSN0921-8971
Volume30Issue:4Pages:2697-2705
Corresponding AuthorWang, Gaoge(gaogewang@hotmail.com) ; Hu, Zi-Min(huzm@qdio.ac.cn)
AbstractSargassum thunbergii, a common brown macroalga that occurs in the Asian Northwest Pacific, has important ecological services and economic values. In recent years, the distribution range and biomass of wild S. thunbergii resources have declined rapidly due to severe anthropogenic impacts and habitat loss. To slow the decline of this natural resource by taking appropriate measures, it is very important to evaluate the population genetic structure and diversity of S. thunbergii. In this study, we used amplified fragment length polymorphism (AFLP) markers to investigate population genetic differentiation and diversity of S. thunbergii along the coast of China at a genome-scanning scale. Five primer combinations that yielded high polymorphisms were identified in ten populations of S. thunbergii. Genetic analyses revealed low genetic diversity within populations and high levels of genetic differentiation among populations. Moreover, apparent gene flow occurred between S. thunbergii populations in the Yellow-Bohai Sea, whereas no such exchange was detected in the populations of the East China Sea. Genetic clustering, principal coordinates analysis (PCoA), and pairwise F (ST) estimates consistently indicated that S. thunbergii populations divided into two genetic groups, coinciding with their geographical distribution (Yellow-Bohai Sea vs. East China Sea). The detected genetic diversity of S. thunbergii along the coast of China provides important insights not only for selecting high-yielding varieties for commercial cultivation, but also for proposing strategic management plans to protect and restore declining natural resources under anthropogenic climate change.
KeywordPhaeophyceae Molecular markers Genetic diversity Population structure
DOI10.1007/s10811-018-1417-2
Indexed BySCI
Language英语
Funding ProjectPublic Science and Technology Research Funds Projects of Ocean[201505022-1] ; Fundamental Research Funds for Central Universities[201762003] ; National Natural Science Foundation of China[41576158] ; National Natural Science Foundation of China[31370264]
WOS Research AreaBiotechnology & Applied Microbiology ; Marine & Freshwater Biology
WOS SubjectBiotechnology & Applied Microbiology ; Marine & Freshwater Biology
WOS IDWOS:000440782100048
PublisherSPRINGER
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.qdio.ac.cn/handle/337002/159715
Collection实验海洋生物学重点实验室
Corresponding AuthorWang, Gaoge; Hu, Zi-Min
Affiliation1.Ocean Univ China, Coll Marine Life Sci, Qingdao 266003, Peoples R China
2.Ocean Univ China, Inst Evolut & Marine Biodivers, Qingdao 266003, Peoples R China
3.Marine Biol Inst Shandong Prov, Qingdao 266104, Peoples R China
4.Chinese Acad Sci, Inst Oceanol, Key Lab Expt Marine Biol, Qingdao 266071, Peoples R China
5.Qingdao Natl Lab Marine Sci & Technol, Lab Marine Biol & Biotechnol, Qingdao 266071, Peoples R China
Corresponding Author AffilicationKey Laboratory of Experimental Marine Biology, Institute of Oceanology, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
Liu, Juan,Zhan, Dongmei,Zhang, Rui,et al. AFLP analysis revealed a north to south genetic break in the brown alga Sargassum thunbergii along the coast of China[J]. JOURNAL OF APPLIED PHYCOLOGY,2018,30(4):2697-2705.
APA Liu, Juan,Zhan, Dongmei,Zhang, Rui,Zeng, Lu,Wang, Gaoge,&Hu, Zi-Min.(2018).AFLP analysis revealed a north to south genetic break in the brown alga Sargassum thunbergii along the coast of China.JOURNAL OF APPLIED PHYCOLOGY,30(4),2697-2705.
MLA Liu, Juan,et al."AFLP analysis revealed a north to south genetic break in the brown alga Sargassum thunbergii along the coast of China".JOURNAL OF APPLIED PHYCOLOGY 30.4(2018):2697-2705.
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