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Assessment of the genetic connectivity between farmed and wild populations of Undaria pinnatifida (Phaeophyceae) in a representative traditional farming region of China by using newly developed microsatellite markers
Shan, Tifeng1,2; Pang, Shaojun1,2; Wang, Xuemei1,2,3; Li, Jing1,2; Su, Li1,2,3
2018-08-01
Source PublicationJOURNAL OF APPLIED PHYCOLOGY
ISSN0921-8971
Volume30Issue:4Pages:2707-2714
Corresponding AuthorShan, Tifeng(shantifeng@qdio.ac.cn) ; Pang, Shaojun(sjpang@qdio.az.cn)
AbstractUndaria pinnatifida is an important economic macroalga extensively farmed in East Asia. Wild individuals of U. pinnatifida, which can be easily discriminated due to their peculiar morphology, are usually observed to occur on the cultivation infrastructure adjacent to the farmed ones in the farming area. The genetic connectivity between the wild and farmed populations, however, remains unidentified. In this study, 30 informative microsatellite markers were developed and characterized through the next-generation sequencing technology. Ten of them were used to analyze the genetic structure of wild and farmed populations sampled from a representative Undaria farm in Lushun (latitude: 38A degrees 47' N) from 2015 to 2017, with two wild populations from Qingdao (36A degrees 03' N) and Gouqi Island (30A degrees 42' N) as controls. The dendrogram clearly separated farmed populations from wild ones by large genetic distance. The Bayesian model-based structure analysis grouped all the populations into five clusters. The wild individuals on the farm were found to contain relatively a large proportion of membership originated from farmed ones. In contrast, nearly no wild membership was detected in the farmed populations. These results imply asymmetric gene flow between farmed and wild populations and indicate that the pedigree of farmed cultivars has been well maintained through artificial control in the current seedling production system. Efforts should be made to popularize this system for the benefits of sustainable utilization of cultivars in Undaria farming.
KeywordUndaria pinnatifida Kelp Genetic structure Microsatellite Seaweed cultivation
DOI10.1007/s10811-018-1449-7
Indexed BySCI
Language英语
Funding ProjectNational Natural Science Foundation of China[41676128] ; National Natural Science Foundation of China[41476141] ; Sino-German Science Center[GZ 1080] ; China Agriculture Research System[CARS-50] ; National Key Technology Support Program[2015BAD13B05] ; National Infrastructure of Fishery Germplasm Resource[2017DKA30470] ; Taishan Scholar Program of Shandong Province ; Huiquan Scholar Program of Institute of Oceanology, Chinese Academy of Sciences
WOS Research AreaBiotechnology & Applied Microbiology ; Marine & Freshwater Biology
WOS SubjectBiotechnology & Applied Microbiology ; Marine & Freshwater Biology
WOS IDWOS:000440782100049
PublisherSPRINGER
Citation statistics
Cited Times:6[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.qdio.ac.cn/handle/337002/159736
Collection实验海洋生物学重点实验室
Corresponding AuthorShan, Tifeng; Pang, Shaojun
Affiliation1.Chinese Acad Sci, CAS Key Lab Expt Marine Biol, Inst Oceanol, 7 Nanhai Rd, Qingdao 266071, Peoples R China
2.Qingdao Natl Lab Marine Sci & Technol, Lab Marine Biol & Biotechnol, 7 Nanhai Rd, Qingdao 266071, Peoples R China
3.Univ Chinese Acad Sci, Beijing 100049, 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
Shan, Tifeng,Pang, Shaojun,Wang, Xuemei,et al. Assessment of the genetic connectivity between farmed and wild populations of Undaria pinnatifida (Phaeophyceae) in a representative traditional farming region of China by using newly developed microsatellite markers[J]. JOURNAL OF APPLIED PHYCOLOGY,2018,30(4):2707-2714.
APA Shan, Tifeng,Pang, Shaojun,Wang, Xuemei,Li, Jing,&Su, Li.(2018).Assessment of the genetic connectivity between farmed and wild populations of Undaria pinnatifida (Phaeophyceae) in a representative traditional farming region of China by using newly developed microsatellite markers.JOURNAL OF APPLIED PHYCOLOGY,30(4),2707-2714.
MLA Shan, Tifeng,et al."Assessment of the genetic connectivity between farmed and wild populations of Undaria pinnatifida (Phaeophyceae) in a representative traditional farming region of China by using newly developed microsatellite markers".JOURNAL OF APPLIED PHYCOLOGY 30.4(2018):2707-2714.
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