Reproductive Isolations of Anopheles sinensis from Anopheles lesteri and Anopheles sineroides in Korea
2008
Park, M.H. (Inha University, Incheon, Republic of Korea) | Choochote, Wej (Chiang Mai University, Chiang Mai, Thailand) | Junkum, Anuluck (Chiang Mai University, Chiang Mai, Thailand) | Joshi, Deepak (Inha University, Incheon, Republic of Korea) | Tuetan, Benjawan (Chiang Mai University, Chiang Mai, Thailand) | Saeung, Atiporn (Chiang Mai University, Chiang Mai, Thailand) | Jung, J.H. (Inha University, Incheon, Republic of Korea) | Min, G.S. (Inha University, Incheon, Republic of Korea), E-mail: [email protected]
Three species of iso-female lines of Korean anophelines (Anopheles sinensis, An. lesteri, and An. sineroides) were identified based on combinative diagnostic characteristics of morphology, metaphase karyotypes, crossing experiments, and comparison of DNA sequences of ribosomal DNA Internal Transcribed Spacer 2 (ITS2) and further analyzed to determine their genetic relationships. Upon comparison of the F₁-hybrids with those of their parent species as the control, differences in viabilities were observed. The viability of F₁-hybrids with high larval mortalities, the failure of all pupae to emerge as adults, and the F₁-hybrid's salivary gland polytene chromosomes showing complete asynapsis of all arms from the crosses between An. sinensis and An. lesteri, as well as An. sinensis and An. sineroides, suggested that these three cryptic species exhibited signs of an entirely reproductive isolation.
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