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Title

Analysis of genetic diversity of Tunisian caprifig (Ficus carica L.) accessions using simple sequence repeat (SSR) markers

AuthorsEssid, Awatef; Aljane, Fateh; Ferchichi, Ali; Hormaza Urroz, José Ignacio
KeywordsCaprifig
Ficus carica
Fig
Microsatellites
Moraceae
SSRs
Tunisia
Issue Date22-Oct-2015
PublisherBioMed Central
CitationHereditas 152(1): 1 (2015)
Abstract[Background] The common fig (Ficus carica L.) is a gynodioecious species with two sexual forms: male trees (caprifigs) with male and female flowers and female trees that produce only female flowers that will result in the edible fig syconium. In this study the genetic diversity of 20 Tunisian accessions of caprifig is analyzed using SSR markers previously developed for this crop.
[Results] The results revealed that the 13 pairs of primers used amplified a total of 37 alleles in the accessions studied. The number of alleles per locus ranged from two to six, with a mean value of 2.85 alleles per locus. Observed and expected heterozygosities showed mean values of 0.33 and 0.29 respectively. UPGMA cluster analysis and Principal Component Analysis grouped the caprifig accessions analyzed in three groups.
[Conclusion] The results obtained show a low genetic diversity in the Tunisian accessions of caprifig studied and, in spite of analyzing samples from different geographic regions, no clear groupings based on geographical origin are observed suggesting widespread exchange of caprifig plant material through vegetative propagation among different areas in Tunisia.
Publisher version (URL)http://dx.doi.org/10.1186/s41065-015-0002-9
URIhttp://hdl.handle.net/10261/125877
DOI10.1186/s41065-015-0002-9
ISSN0018-0661
E-ISSN1601-5223
Appears in Collections:(IHSM) Artículos

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