alexa BmiGI: a database of cDNAs expressed in Boophilus microplus, the tropical southern cattle tick.
Genetics & Molecular Biology

Genetics & Molecular Biology

Cloning & Transgenesis

Author(s): Guerrero FD, Miller RJ, Rousseau ME, Sunkara S, Quackenbush J,

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Abstract We used an expressed sequence tag approach to initiate a study of the genome of the southern cattle tick, Boophilus microplus. A normalized cDNA library was synthesized from pooled RNA purified from tick larvae which had been subjected to different treatments, including acaricide exposure, heat shock, cold shock, host odor, and infection with Babesia bovis. For the acaricide exposure experiments, we used several strains of ticks, which varied in their levels of susceptibility to pyrethroid, organophosphate and amitraz. We also included RNA purified from samples of eggs, nymphs and adult ticks and dissected tick organs. Plasmid DNA was prepared from 11,520 cDNA clones and both 5' and 3' sequencing performed on each clone. The sequence data was used to search public protein databases and a B. microplus gene index was constructed, consisting of 8270 unique sequences whose associated putative functional assignments, when available, can be viewed at the TIGR website ( A number of novel sequences were identified which possessed significant sequence similarity to genes, which might be involved in resistance to acaricides. This article was published in Insect Biochem Mol Biol and referenced in Cloning & Transgenesis

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