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KMID : 0613820060160010071
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Journal of Life Science
2006 Volume.16 No. 1 p.71 ~ p.75
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Phylogeny of Mite Taxa (Acari:Sarcoptiformes) Based on Small Subunit Ribosomal RNA Sequences
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Lee Keun-Hee
Yu Hak-Sun
Jeong Hae-Jin
Lee Kyeong-Ah
Park Sang-Kyun
Lee Sun-Joo
Ock Mee-Sun
Kim Sun-Mi
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Abstract
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We analyzed the phylogenic relationships of 23 partial 18S rDNA sequences of 22 species (1 species has 2 strains) belonging to Sarcorptiforms include 4 new sequences, using several tools. Although geographic distributions are quite far from, sequence similarity of two strains of Dermatophygoides pteronyssinus isolated from Japan and New Zealand were very high. This result suggests that mite migration by animals including human occurred in the two continents. We investigated the Endeostigmata taxonomic relationship between the Prostigmata and Oribatida subgroups using small fragments (340-400 bp) of their 18S rDNA sequences. But Endeostigmata was not grouped with Oribatida or Prostigmata. In conclusion, it is first reported phylogenic relationship for classified mites included in Sarcoptiformes using 18S rDNA sequence analysis and its system is a very powerful tool for classification
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