Dinucleotide microsatellite sequence distribution in Musa acuminata : preliminary results

Lagoda Pierre, Noyer Jean-Louis, Fauré Sabine, D'Hont Angélique, Carreel Françoise, Reschoeur F., Baurens Franc-Christophe, Lanaud Claire. 1995. Dinucleotide microsatellite sequence distribution in Musa acuminata : preliminary results. In : Techniques et utilisations des marqueurs moléculaires. Bervillé A. (ed.), Tersac M. (ed.). INRA-, CIRAD. Versailles : INRA, 1 p. (Les colloques, n. 72) ISBN 2-7380-0614-0 Colloque sur les techniques et utilisation des marqueurs moléculaires, Montpellier, France, 29 March 1994/31 March 1994.

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Abstract : Bananas belong to the #Musaceae# family and are among the tallest monocotyledons. Main dessert banana cultivars are triploid, highly sterile, parthenocarpic and atonally propagated. They are susceptible to several diseases that seriously threaten plantations. In order to better understand banana genetics, more knowledge must be gained about their genomes. This would help to develop new improvement strategies. Major aims of the molecular studies, in progress at CIRAD at present, are the construction of genetic maps, a better understanding of chromosome structural differentiation in #Musa#, the analysis of quantitative characters as well as a comprehensive study of molecular genetic diversity. A first genetic linkage map based on RFLP markers has already been published by our lab (Fauré et al., 1993, TAG 87 : 517-526). In order to saturate this map for QTL analysis, we checked the banana genome for VNTR markers. We report here preliminary results on dinucleotide microsatellite sequences in the banana genome. Microsatellite gene tagging and targeting are discussed. (Résumé d'auteur)

Mots-clés Agrovoc : Musa acuminata, Carte génétique, Microsatellite

Classification Agris : F30 - Plant genetics and breeding

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