Construction of a composite sorghum map and comparison with sugarcane, a related complex polyploid

Dufour Philippe, Deu Monique, Grivet Laurent, D'Hont Angélique, Paulet Florence, Bouet André, Lanaud Claire, Glaszmann Jean-Christophe, Hamon Perla. 1997. Construction of a composite sorghum map and comparison with sugarcane, a related complex polyploid. Theoretical and Applied Genetics (3-4) : pp. 409-418.

Journal article ; Article de revue à facteur d'impact
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Autre titre : Construction d'une carte composite du sorgho et comparaison avec la canne à sucre, un complexe poliploïde apparenté

Abstract : A sorghum composite linkage map was constructed with two recombinant inbred line populations using heterologous probes already mapped on maize and sugarcane. This map includes 199 loci revealed by 188 probes and distributed on 13 linkage groups. A comparison based on 84 common probes was performed between the sorghum composite map and a map of a sugarcane (#Saccharum# spp.) cultivar being developed and presently comprising 10 tentative linkage groups. A straight synteny was observed for 2 pairs of linkage groups; in two cases, 1 sorghum linkage group corresponded to 2 or 3 sugarcane linkage groups, respectively; in two cases 1 sugarcane linkage group corresponded to 2 separate sorghum linkage groups; for 2 sorghum linkage groups, no complete correspondance was found in the sugarcane genome. In most cases loci appeared to be colinear between homoeologous chromosomal segments in sorghum and sugarcane. These results are discussed in relation to published data on sorghum genomic maps, with specific reference to the genetic organization of sugarcane cultivars, and they, illustrate how investigations on relatively simple diploid genomes as sorghum will facilitate the mapping of related polyploid species such as sugarcane. (Résumé d'auteur)

Mots-clés Agrovoc : Sorghum, Saccharum, Carte génétique, RFLP, Corrélation génétique, Variation génétique

Classification Agris : F30 - Plant genetics and breeding

Auteurs et affiliations

  • Dufour Philippe
  • Deu Monique, CIRAD-CA-CAPA (FRA)
  • D'Hont Angélique, CIRAD-CA-CAPA (FRA)
  • Paulet Florence, CIRAD-CA-CAPA (FRA)
  • Lanaud Claire, CIRAD-GERDAT-BIOTROP/AGETROP (FRA) ORCID: 0000-0001-6411-7310
  • Glaszmann Jean-Christophe, CIRAD-CA-CAPA (FRA) ORCID: 0000-0001-9918-875X
  • Hamon Perla, CIRAD-CA-CAPA (FRA)

Autres liens de la publication

  • Document en bibliothèque
  • Localisation du document : CD_BR6267 [(Bibliothèque de Lavalette)] ; CD_BR6998 [(Bibliothèque de Lavalette)] ; CD_PE378 [(Bibliothèque de Lavalette)]

Source : Cirad - Agritrop (

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