Phylogenetic evaluation of 5S ribosomal RNA gene and spacer in the Callistachys group (Fabaceae: Mirbelieae)
Sequences of 5S rDNA from an Australian group of papilionoid legumes were evaluated for phylogenetic informativeness. Twenty four sequences were sampled from ten species in five closely related genera: Brachysema, Callistachys, Jansonia, Nemcia and Podolobium. These sequences fell into two size classes, 200 bp and 600 bp, which appear to represent paralogous copies of the 5S unit at different loci. As in previous studies, the 5S rRNA gene and both ends of the inter-gene spacer are found to be...[Show more]
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|Source:||Plant Systematics and Evolution|
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