PCR amplification of putative gpa-2 and gpa-3 orthologs from the (A + T)-rich genome of Strongyloides stercoralis
2001
Massey, H.C. Jr | Ball, C.C. | Lok, J.B.
Two G protein alpha subunit genes orthologous to gpa-2 and gpa-3 in Caenorhabditis elegans have been identified in the parasitic nematode, Strongyloides stercoralis. These genes mediate chemosensory signal transduction regulating dauer arrest in C. elegans. In the parasite, they represent candidate mediators for regulation of the choice between free-living and parasitic life cycles, the obligatory developmental arrest of infective larvae, and reactivation of development after infection. The (A + T) content of these genes is 72.2% for coding sequences, 90% for introns, and 84.1% for 5' and 3' flanking regions, requiring the use of low extension temperatures for long distance PCR. The possible significance of conserved structural motifs of these proteins is discussed.
اظهر المزيد [+] اقل [-]الكلمات المفتاحية الخاصة بالمكنز الزراعي (أجروفوك)
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