
doi: 10.1007/bf00223749
pmid: 24190197
The variability of cocoa (Theobroma cacao) cytoplasmic genomes has been investigated. A total of 177 cocoa clones was surveyed for restriction fragment length polymorphism (RFLP) in chloroplast DNA and in mitochondrial DNA using two restriction endonucleases and various heterologous cytoplasmic probes. A high level of polymorphism was found for the mitochondrial genome. This study points up a structuring of the species that fits with the distinction between the Criollo and Forastero populations. In contrast to all previous analyses, a higher level of polymorphism is found among the Criollo clones while the Forastero clones form quite a homogeneous group.
chloroplaste, http://aims.fao.org/aos/agrovoc/c_4869, adn, http://aims.fao.org/aos/agrovoc/c_24031, variation génétique, F30 - Génétique et amélioration des plantes, polymorphisme génétique, http://aims.fao.org/aos/agrovoc/c_9824, mitochondrie, http://aims.fao.org/aos/agrovoc/c_7713, http://aims.fao.org/aos/agrovoc/c_2347, Theobroma cacao, http://aims.fao.org/aos/agrovoc/c_15975
chloroplaste, http://aims.fao.org/aos/agrovoc/c_4869, adn, http://aims.fao.org/aos/agrovoc/c_24031, variation génétique, F30 - Génétique et amélioration des plantes, polymorphisme génétique, http://aims.fao.org/aos/agrovoc/c_9824, mitochondrie, http://aims.fao.org/aos/agrovoc/c_7713, http://aims.fao.org/aos/agrovoc/c_2347, Theobroma cacao, http://aims.fao.org/aos/agrovoc/c_15975
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