Agelenids of the World

Systematics and Taxonomy of Agelenidae, a Worldwide distributed Spider Family

Phylogenetic relationships of Chinese wolf spiders (Lycosidae) inferred from 16S rRNA sequences

Publication Type:Journal Article
Year of Publication:2007
Authors:Y. - C. Yan, Yan H. - M.
Journal:Acta Arachnologica Sinica
Date Published:2007
ISBN Number:1005-9628
Keywords:/ Phylogenetic analysis] [Molecular genetics / / ] [Phylogeny / /, Asia, Biochemistry, Eurasia, Evolution, Genetics, Land zones, Lycosidae (Araneae)., Lycosidae [Nucleic acids / Mitochondrial 16S rRNA gene partial sequences, Palaearctic region, partial sequences] [Biochemical variation / / ] [China / /, partial sequences]., Phylogenetic relationships inferred from mitochondrial 16S rRNA gene, Systematics, Taxonomic relationships inferred from mitochondrial 16S rRNA gene, Variation

The mtDNA- 16S rRNA gene partial sequences (340-360 bp ) were amplified and sequenced from 26 species representing 4 subfamilies and 6 genera of Lycosidae in China. Aligning with 16S rRNA sequences of 2 species(Pardosa Lycosidae) in North America from GenBank, and selecting 1 species Agelena limbata (Agelenidae) as outgroup from China, we constructed a matrix of 29 DNA sequences. Nucleotides composition, transition and transversion, genetic distance of this segment had been analyzed. The phylogenetic trees of the Lycosidae were constructed by using the method of Bayesian and Maximum Parsimony (MP). The results indicate that average A + T content of 16S rRNA gene in Lycosidae is 75 %, which shows a strong A + T bias. The sequences have 157 variable sites and 79 parsimony-informative sites. Genetic distances among genera of Lycosidae are 0.026-0.200. Molecular phylogeny trees suggest that Pirata is a primordial gene of Hippasa which is differentiated earlier from other species. Trochsa is a monophyletic group, it that with Arctosa form a paraphtletic group. The molecular phylogeny of 6 genera of Lycosidae is(Pirata ( Hippasa ( Trochsa+Arctosa( Pardosa + Wadicosa ) ) ) ).

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