Identification of sour orange accessions and evaluation of their genetic variability by molecular markers analyses (Articolo in rivista)

Type
Label
  • Identification of sour orange accessions and evaluation of their genetic variability by molecular markers analyses (Articolo in rivista) (literal)
Anno
  • 2006-01-01T00:00:00+01:00 (literal)
Alternative label
  • Siragusa M., De Pasquale F., Abbate L., Tusa N. (2006)
    Identification of sour orange accessions and evaluation of their genetic variability by molecular markers analyses
    in HortScience
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Siragusa M., De Pasquale F., Abbate L., Tusa N. (literal)
Pagina inizio
  • 84 (literal)
Pagina fine
  • 89 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 41 (literal)
Rivista
Note
  • ISI Web of Science (WOS) (literal)
Titolo
  • Identification of sour orange accessions and evaluation of their genetic variability by molecular markers analyses (literal)
Abstract
  • A collection of 18 accessions of sour orange (Citrus aurantium L.) coming from Sicily and other countries was investigated by two polymerase chain reaction (PCR)-based DNA marker technologies. Ten Inter-Simple Sequence Repeat (ISSR) primers and fifteen Random Amplified Polymorphic DNA (RAPD) primers were used to identify and to evaluate the genetic variability and relationship of accessions. A total of 111 ISSR and 145 RAPD amplified fragments were used to estimate the Dice’s coefficient of similarity for cluster analysis using a unweighted pair-group method using an arithmetic averaging (UPGMA) algorithm. The genetic relationships identified using ISSR and RAPD markers were highly concordant, such that the correlation between ISSR and RAPD genetic distance (GD) estimates was r = 0.93. The ISSR and RAPD analysis of 18 sour orange accessions found a high grade of genetic diversity in foreign accessions, while a low variability was detected in local accessions. Sicilian accessions could be grouped in two distinct clusters, including indistinctly plants from three origin regions. Some markers could be linked to the different growing areas. The ISSR and RAPD molecular reference system seems to be suitable for a fine identification of tightly-related plants and the obtained results can form the basis for future setting up of Citrus rootstock genetic improvement projects. (literal)
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