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Article . 2009 . Peer-reviewed
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Variability and inheritance of peach SSR sequences

Authors: Sánchez-Pérez, Raquel; Dicenta, Federico; Ruiz, C.; Ballester, Jordi; Arús, Pere; Martínez-Gómez, Pedro;

Variability and inheritance of peach SSR sequences

Abstract

[FR] "Variabilité et hérédité des séquences SSR de pêcher dans les génotypes d'amandier". Au cours de ce travail nous avons étudié la variabilité et l'hérédité de six séquences SSR de pêcher [Prunus persica (L.) Batsch] dans 21 variétés d'amandier [P. dulcis (Mill.) D.A. Webb] et dans une génération de 180 descendants issus du croisement entre la variété française 'R1000' et la variété espagnole 'Desmayo Largueta'. Les résultats ont montré l'identification des 21 variétés avec les six SSRs étudiés. Le nombre d'allèles observés a varié entre 4 et 13, avec une grande hétérozygotie de ces loci. Nous avons observé une ségrégation codominante dans la génération étudiée. Les résultats ont montré la grande valeur des marqueurs moléculaires de tipe SSR pour l'identification variétale et la caractérisation de la grande variabilité génétique disponible pour les programmes d'amélioration de l'amandier. Nous avons discuté l'application de ces SSRs pour le développement de marqueurs moléculaires associés aux caractéristiques agronomiques.

[EN] Variability and inheritance of six peach [Prunus persica (L.) Batsch] SSR (simple-sequence repeat) markers was studied in 21 almond [P. dulcis (Mill.) D.A. Webb] cultivars and in a progeny of 180 descendants from the cross between the French cultivar 'R1000' and the Spanish cultivar 'Desmayo Largueta'. The results showed the molecular identification of the 21 cultivars using the six SSR polymorphic sequences. The number of alleles revealed by the SSR analysis ranged from 4 to 13, with a high level of heterozygosity. A codominant segregation of the SSRs was observed in this progeny. These results establish the value of SSR markers for distinguishing different genetic lineages and characterize the extensive gene pool available for almond breeding programs. The application of these SSR sequences in the development of markers associated with genes or QTLs involved in the inheritance of agronomic traits in almond is also discussed.

This work has been financed by the project AGL2001-1054-C03-01 from the Spanish Ministry of Science and Technology. The authors thank the collaboration of Dr. H. Duval, from INRA (Avignon, France) in the generation of the studied progeny. The authors also acknowledge the support of the Spanish Ministry of Science and Technology for the contract of Dr. P. Martínez-Gómez.

En: XIII GREMPA Meeting on almonds and pistachios = XIIIème Réunion du GREMPA sur l'amandier et le pistachier . Zaragoza : CIHEAM-IAMZ, 2005. Eds: Oliveira M.M., Cordeiro V.-- Meeting of the Mediterranean Research Group for Almond and Pistachio, 2003/06/01-05, Mirandela (Portugal).-- 6 pages, 4 tables.

Peer reviewed

Country
Spain
Related Organizations
Keywords

Almonds, Amandier, Marqueurs moléculaires, Molecular markers, Breeding, Amélioration végétale, Microsatellites, Prunus dulcis, SSR, Micro-satellites

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
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