A cDNA encoding a putative aquaporin was cloned from the ovaries of the American dog tick, Dermacentor variabilis (Say) (Acari: Ixodidae). The encoded protein is most similar to the vertebrate aquaporin 9 protein family. Localization by reverse transcription-polymerase chain reaction (RT-PCR) shows expression in the gut and ovaries of adult females but not in the synganglion, Malpighian tubules, or salivary glands. Quantitative RT-PCR indicates that it is primarily expressed in the ovaries, with ≈146 times more transcript than in the gut. When expressed in Xenopus oocytes, the aquaporin-like protein localized to the plasma membrane.
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1 January 2008
An Aquaporin-Like Protein from the Ovaries and Gut of American Dog Tick (Acari: Ixodidae)
Steven P. Holmes,
Dimin Li,
Shane M. Ceraul,
Abdu F. Azad
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Journal of Medical Entomology
Vol. 45 • No. 1
January 2008
Vol. 45 • No. 1
January 2008
aquaporin
Dermacentor variabilis
ovary
tick