Mapping candidate genes in Eucalyptus

Gion Jean-Marc, Rech Philippe, Grima Pettenati Jacqueline, Verhaegen Daniel, Plomion Christophe. 2000. Mapping candidate genes in Eucalyptus. . s.l. : s.n., Résumé Plant and Animal Genomes Conference. 8, San Diego, États-Unis, 9 January 2000/12 January 2000.

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Abstract : We used the single-strand conformation polymorphism (SSCP) technique to map six genes on Eucalyptus urophylla and Eucalyptus grandis linkage maps. These included four genes involved in the common phenylpropanoid pathway (Caffeic acid 3-O-methyltransferase, Caffeoyl CoA 3-O-methyltransferase, 4-Coumarate CoA ligase and phenylalanine ammonia-lyase), two genes involved in the "lignin specific" pathway (Cinnamoyl CoA reductase and Cinnamyl alcohol dehydrogenase). The placement of these genes on the Eucalyptus maps was carried out using an interspecific hybrid mapping population. This will further facilitate the identification or exclusion of "positional" candidate genes for characterizing quantitative trait loci (QTL) for traits related to wood quality. We have studied colocations between these candidate genes and QTL for longitudinal growth strain and wood density. The 4-coumarate CoA gene seems to be a good candidate for wood density as measured by pilodyn. (Texte intégral)

Mots-clés Agrovoc : Eucalyptus, Carte génétique

Classification Agris : F30 - Plant genetics and breeding

Auteurs et affiliations

  • Grima Pettenati Jacqueline, CNRS (FRA)
  • Plomion Christophe, INRA (FRA)

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