Molecular epidemiological characterization of poultry red mite (Dermanyssus gallinae) collected from Korea

다국어 초록 (Multilingual Abstract)

The poultry red mite (PRM), Dermanyssus gallinae, causes great economic losses to poultry industries in Korea. The molecular epidemiological characterization of PRM has been investigated in some coun-tries, but those analysis has been not conducted yet in Korea. The aim of this study is to determine the genetic diversity of PRMs in Korea compared with those from other countries. Here, 13 PRM sam-ples collected from Korea were analyzed with a part of the mitochondrial cytochrome oxidase subunit I (COI) gene and nuclear internal transcribed spacers (ITS) region. All the samples showed an identical COI sequence, which has also been reported in European countries and Japan. Phylogenetic diversity analysis showed that the mites from Korea were genetically related to those in other countries. The nu-clear ITS region sequences were classified into three sequence types. Additionally, one of the ITS se-quences was an intermediate type, implying that a hybridization event occurred among the mite pop-ulations in Korea. These findings suggested PRMs from Korea showed low genetic diversity with re-spect to mitochondrial COI gene, but three different populations inhabited in Korea with respect to nu-clear ITS region sequences.

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