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![Chloroplast diversity in Vouacapoua americana (Caesalpiniaceae), a neotropical fores tree](https://infodoc.agroparistech.fr/img_cache/pmb_agroparistech_record_151518.webp)
Titre : |
Chloroplast diversity in Vouacapoua americana (Caesalpiniaceae), a neotropical fores tree
|
Auteur(s) : |
C. Dutech
L. Maggia Hélène I. Joly |
Type de document : | Tiré à part |
Sujets : | CAESALPINIACEAE ; CHLOROPLAST DIVERSITY ; PCR-RFLP ; SEED DISPERSAL ; TROPICAL FOREST REFUGE ; VOUACAPOUA AMERICANA |
Résumé : |
The chloroplast genome has been widely used to describe genetic diversity in plant species. Its maternal inheritance in numerous angiosperm species and low mutation rate are suitable characters when inferring historical events such as possible recolonization routes. Here we have studied chloroplast DNA variation using PCR-RFLP (polymerase chain reaction-restriction fragment lenght polymorphism) with seven pairs of primers and four restriction enzymes in 14 populations of Vouacapoua americana (Caesalpiniaceae) a neotropical tree sampled throughout French Guiana. Population diversity (Hs) total gene diversity (Ht) and differentiation among population (Gst) were estimated using Nei's method as 0.09, 0.87 and 0.89, respectively. This is consistent with the limited gene flow associated wit[...]
The chloroplast genome has been widely used to describe genetic diversity in plant species. Its maternal inheritance in numerous angiosperm species and low mutation rate are suitable characters when inferring historical events such as possible recolonization routes. Here we have studied chloroplast DNA variation using PCR-RFLP (polymerase chain reaction-restriction fragment lenght polymorphism) with seven pairs of primers and four restriction enzymes in 14 populations of Vouacapoua americana (Caesalpiniaceae) a neotropical tree sampled throughout French Guiana. Population diversity (Hs) total gene diversity (Ht) and differentiation among population (Gst) were estimated using Nei's method as 0.09, 0.87 and 0.89, respectively. This is consistent with the limited gene flow associated with synzoochory in this species. The genetic structure observed in the north of French Guiana suggests that historical events such as constractions and recent recolonizations have |
Editeur(s) : | Blackwell Science Ltd |
Date de publication : | 2000 |
Format : | pp.1427-1432., 1 ill., 2 tabl., nb réf. |
Langue(s) : | Anglais |
Lien vers la notice : | https://infodoc.agroparistech.fr/index.php?lvl=notice_display&id=151518 |
Exemplaires (1)
Localisation | Emplacement | Pôle | Section | Cote | Support | Disponibilité |
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Kourou | AgroParisTech-Kourou | SI TP18587 | Papier | Empruntable Disponible |