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KMID : 0893420130140040421
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Journal of Veterinary Science
2013 Volume.14 No. 4 p.421 ~ p.424
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Hypodectes propus (Acarina: Hypoderatidae) in a rufous turtle dove, Streptopelia orientalis (Aves: Columbiformes), in Japan
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El Dakhly Khaled Mohamed
El Nahass El Shaymaa
Inui Kosei
Kimura Junpei
Sakai Hiroki
Yanai Tokuma
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Abstract
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An adult male rufous turtle dove, Streptopelia (S.) orientalis (Aves: Columbiformes), was found dead in Yorii-machi Town, Osato District 369-1217, Saitama Prefecture, Japan, and subjected to necropsy. A large number of immobile hypopi (deutonymphs) of the hypoderatid mite, Hypodectes (H.) propus (Acarina: Hypoderatidae), were found individually encapsulated subcutaneously primarily in the adipose tissue. The mites were 1.43 mm in length and 0.44 mm in width on average, and had provoked mild inflammatory reactions that predominantly manifested as foamy macrophages and lymphoplasmocytes. PCR analysis using ribosomal DNA extracted from paraffin-blocked tissues produced a 240 bp band specific for hypoderatids. Based on the morphological features (distinct coxal apodemes, especially in the anterior portion) and PCR-based findings, the hypopi were identified as H. propus. To the best of our knowledge, this is the first case describing the subcutaneous mite H. propus in a rufous turtle dove, S. orientalis, in Japan. This study also highlights the use of paraffin blocks as a source of tissue DNA for molecular evaluation.
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KEYWORD
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Hypodectes propus, Japan, Strepopelia orientalis, subcutaneous tissue
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