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|標題:||Phylogenetic relationships of the Tropiduchidae-group (Homoptera : Fulgoroidea) of planthoppers inferred through nucleotide sequences|
|期刊/報告no：:||Zoological Studies, Volume 37, Issue 1, Page(s) 45-55.|
|摘要:||Phylogenetic reconstruction of the relationships within the Tropiduchidae-group of families of planthoppers is conducted based on DNA sequences of 2 mitochondrial genes. The sequence comparisons of 400 bases of the 3' end of the 16S rDNA genes from 9 taxa of 6 families and 120 codons of the 5' end of the cytochrome b genes from 10 taxa of 6 families reveal general congruence. The phylogenetic trees based on these 2 genes show that Flatidae and Tropiduchidae are always grouped together; Meenoplidae and Delphacidae each is a basal lineage among these taxa, and Issidae is a nonhomogeneous group. The ratio of transitions over transversions of the cytochrome b gene in fulgoroids has reached a steady-state when compared with insects of other orders. Both genes can be candidate genes in studying the relationships of Fulgoroidea since the sequence Variations of both genes between species of intragenus, close affinity families, and distant affinity families are about 10%, 20%, and 30%, respectively.|
|Appears in Collections:||昆蟲學系|
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