Publication: Population cytogenetic studies on Simulium feuerborni Edwards (Diptera: Simuliidae) from northern Thailand
Issued Date
1999-01-01
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ISSN
08312796
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2-s2.0-0032922110
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Mahidol University
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SCOPUS
Bibliographic Citation
Genome. Vol.42, No.1 (1999), 80-86
Suggested Citation
C. Kuvangkadilok, S. Phayuhasena, V. Baimai Population cytogenetic studies on Simulium feuerborni Edwards (Diptera: Simuliidae) from northern Thailand. Genome. Vol.42, No.1 (1999), 80-86. Retrieved from: https://repository.li.mahidol.ac.th/handle/20.500.14594/25297
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Title
Population cytogenetic studies on Simulium feuerborni Edwards (Diptera: Simuliidae) from northern Thailand
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Abstract
A standard photographic map of Simulium feuerborni (Diptera: Simuliidae) was constructed from larval salivary gland polytene chromosomes and is described herein. Analysis of polytene chromosomes was made from wild larvae collected from the four populations at Doi Inthanon National Park, Chiang Mai Province, northern Thailand. Simulium feuerborni has three pairs of chromosomes (2n = 6) which are arranged from the longest to the shortest. Chromosome I is metacentric while chromosomes II and III are submetacentric. A total of six simple paracentric inversions have been detected in these natural populations of S. feuerborni. These inversions (IS-1, IL-1, IIL-1, IIL-2, IIIS-1, IIIL-1) occurred in all chromosome arms except for the arm IIS. Significant deviation from Hardy-Weinberg equilibrium has been observed in inversion IIIL-1 at Hui Sai Luaeng suggesting the existence of two gene pools in this population. There is no indication of sex linkage associated with an inversion sequence in these populations. Thus, the X and Y chromosomes of S. feuerborni could not be recognized in this study.