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Article: Genetic diversity and relationships of sweetpotato and its wild relatives in Ipomoea series Batatas (Convolvulaceae) as revealed by inter-simple sequence repeat (ISSR) and restriction analysis of chloroplast DNA

TitleGenetic diversity and relationships of sweetpotato and its wild relatives in Ipomoea series Batatas (Convolvulaceae) as revealed by inter-simple sequence repeat (ISSR) and restriction analysis of chloroplast DNA
Authors
KeywordsChloroplast DNA
Genetic diversity
Ipomoea batatas
ISSR
RFLP
Sweetpotato
Issue Date2000
PublisherSpringer Verlag. The Journal's web site is located at http://link.springer.de/link/service/journals/00122/index.htm
Citation
Theoretical And Applied Genetics, 2000, v. 100 n. 7, p. 1050-1060 How to Cite?
AbstractGenetic diversity and relationships of 40 accessions of Ipomoea, representing ten species of series Batatas, were examined using ISSR markers and restriction-site variation in four non-coding regions of chloroplast DNA. A total of 2071 ISSR fragments were generated with 15 primers in these accessions and, on average, 52 bands per accession were amplified. Most of the primers contained dinucleotide repeats. The ISSR fragments were highly polymorphic (62.2%) among the 40 accessions studied. Restriction analysis of chloroplast (cp) DNA revealed 47 informative restriction-site and length mutations. Phylogenetic analyses of ISSR and cpDNA datasets generally revealed similar relationships at the interspecific level, but the high polymorphism of ISSRs resulted in a better separation of intraspecific accessions. However, the combined ISSR and cpDNA dataset appeared to be appropriate in resolving both intra-and interspecific relationships. Of the species examined, I. trifida was found to be the most closely related to cultivated sweetpotato, the hexaploid I. batatas, while I. ramosissima and I. umbraticola were the most distantly related to I. batatas within the series. Ipomoea triloba, hitherto considered to be one of the ancestors of sweetpotato, was only distantly related to sweetpotato based on ISSR similarity index.
Persistent Identifierhttp://hdl.handle.net/10722/84815
ISSN
2015 Impact Factor: 3.9
2015 SCImago Journal Rankings: 1.930
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorHuang, JCen_HK
dc.contributor.authorSun, Men_HK
dc.date.accessioned2010-09-06T08:57:26Z-
dc.date.available2010-09-06T08:57:26Z-
dc.date.issued2000en_HK
dc.identifier.citationTheoretical And Applied Genetics, 2000, v. 100 n. 7, p. 1050-1060en_HK
dc.identifier.issn0040-5752en_HK
dc.identifier.urihttp://hdl.handle.net/10722/84815-
dc.description.abstractGenetic diversity and relationships of 40 accessions of Ipomoea, representing ten species of series Batatas, were examined using ISSR markers and restriction-site variation in four non-coding regions of chloroplast DNA. A total of 2071 ISSR fragments were generated with 15 primers in these accessions and, on average, 52 bands per accession were amplified. Most of the primers contained dinucleotide repeats. The ISSR fragments were highly polymorphic (62.2%) among the 40 accessions studied. Restriction analysis of chloroplast (cp) DNA revealed 47 informative restriction-site and length mutations. Phylogenetic analyses of ISSR and cpDNA datasets generally revealed similar relationships at the interspecific level, but the high polymorphism of ISSRs resulted in a better separation of intraspecific accessions. However, the combined ISSR and cpDNA dataset appeared to be appropriate in resolving both intra-and interspecific relationships. Of the species examined, I. trifida was found to be the most closely related to cultivated sweetpotato, the hexaploid I. batatas, while I. ramosissima and I. umbraticola were the most distantly related to I. batatas within the series. Ipomoea triloba, hitherto considered to be one of the ancestors of sweetpotato, was only distantly related to sweetpotato based on ISSR similarity index.en_HK
dc.languageengen_HK
dc.publisherSpringer Verlag. The Journal's web site is located at http://link.springer.de/link/service/journals/00122/index.htmen_HK
dc.relation.ispartofTheoretical and Applied Geneticsen_HK
dc.subjectChloroplast DNAen_HK
dc.subjectGenetic diversityen_HK
dc.subjectIpomoea batatasen_HK
dc.subjectISSRen_HK
dc.subjectRFLPen_HK
dc.subjectSweetpotatoen_HK
dc.titleGenetic diversity and relationships of sweetpotato and its wild relatives in Ipomoea series Batatas (Convolvulaceae) as revealed by inter-simple sequence repeat (ISSR) and restriction analysis of chloroplast DNAen_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=0040-5752&volume=100&spage=1050&epage=1060&date=2000&atitle=Genetic+diversity+and+relationships+of+sweetpotato+and+its+wild+relatives+in+Ipomoea+series+Batatas+(Convolvulaceae)+as+revealed+by+inter-simple+sequence+repeat+(ISSR)+and+restriction+analysis+of+chloroplast+DNAen_HK
dc.identifier.emailHuang, JC: huangjc@hku.hken_HK
dc.identifier.emailSun, M: meisun@hkucc.hku.hken_HK
dc.identifier.authorityHuang, JC=rp00710en_HK
dc.identifier.authoritySun, M=rp00779en_HK
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1007/s001220051386en_HK
dc.identifier.scopuseid_2-s2.0-0034035103en_HK
dc.identifier.hkuros49326en_HK
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-0034035103&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume100en_HK
dc.identifier.issue7en_HK
dc.identifier.spage1050en_HK
dc.identifier.epage1060en_HK
dc.identifier.isiWOS:000087586500007-
dc.publisher.placeGermanyen_HK
dc.identifier.scopusauthoridHuang, JC=7408108735en_HK
dc.identifier.scopusauthoridSun, M=7403181447en_HK

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