NDLI: Retrotransposon characterisation and fingerprinting of apple clones by S-SAP markers

Content Provider	Springer Nature Link
Author	Venturi, S. Dondini, L. Donini, P. Sansavini, S.
Copyright Year	2005
Abstract	Retrotransposons have been found to comprise the most common class of transposable elements in eukaryotes and to occur in high copy number in plant genomes. Several of these elements have been sequenced and were found to display a high degree of heterogeneity and insertional polymorphism, both within and between species. The dispersion, ubiquity and prevalence of retrotransposons in plant genomes provide an excellent basis for the development of marker systems and, hence, may be good molecular candidates in distinguishing among apple clones, when they represent bud mutations of the original variety, considering that the random amplified polymorphic DNA (RAPD), amplified fragment length polymorphism (AFLP) and simple sequence repeat (SSR) used thus far in fingerprinting analyses have failed to meet discrimination expectations. The technique called sequence-specific amplified polymorphism (S-SAP), which makes it possible to identify dominant markers for the detection of variation in the DNA flanking the retrotransposon insertion site, was used in the present study to distinguish several clones of the cultivars ‘Gala’ and ‘Braeburn’ in apple fingerprinting. Moreover, our results suggest that the bud mutations, which have generated new patented varieties of ‘Gala’ and ‘Braeburn’, appear to derive from retrotransposon insertion.
Starting Page	440
Ending Page	444
Page Count	5
File Format	PDF
ISSN	00405752
Journal	Theoretical and Applied Genetics
Volume Number	112
Issue Number	3
e-ISSN	14322242
Language	English
Publisher	Springer-Verlag
Publisher Date	2005-11-17
Publisher Place	Berlin/Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Biotechnology Biochemistry Plant Biochemistry Agriculture Plant Genetics & Genomics Plant Breeding/Biotechnology
Content Type	Text
Resource Type	Article
Subject	Genetics Medicine Biotechnology Agronomy and Crop Science

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