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Virologica Sinica, 17 (2) : 125-131, 2002
Research Article
Sequence Analysis of the Xba I-I Region of the Single Nucleocapsid Nllcle0polyhedr0Virus of Helicoverpa armigera
The Xba I-I fragment located at 18.4~22.8 m.u. of the Helicoverpa armigera single-nucleocapsid nucleopolyhedrovirus genome was sequenced. The fragment contains eight complete ORFs, including putative ubiquitin, 39K/pp31, lef-11, Lsel25, orf507, orf1080, Ac34,Ac38 and a partial orf which potentially encodes C-terminal of P47. orf507 and orf1080 are two putative unique genes of HaSNPV, both contain an early-expression gene motif CAGT and a TATA box in upstream sequences. The ubiquitin gene of HaSNPV shows high identity with baculoviruses and human or yeast ubiquitins. The 39K/pp31 promotor of HaSNPV does not contain late promotor motifs, which exists in other so far identified baculoviral homologues, suggesting it probably has different transcriptional pattern.
 Correspondence:
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Abstract
The Xba I-I fragment located at 18.4~22.8 m.u. of the Helicoverpa armigera single-nucleocapsid nucleopolyhedrovirus genome was sequenced. The fragment contains eight complete ORFs, including putative ubiquitin, 39K/pp31, lef-11, Lsel25, orf507, orf1080, Ac34,Ac38 and a partial orf which potentially encodes C-terminal of P47. orf507 and orf1080 are two putative unique genes of HaSNPV, both contain an early-expression gene motif CAGT and a TATA box in upstream sequences. The ubiquitin gene of HaSNPV shows high identity with baculoviruses and human or yeast ubiquitins. The 39K/pp31 promotor of HaSNPV does not contain late promotor motifs, which exists in other so far identified baculoviral homologues, suggesting it probably has different transcriptional pattern.
  Published online: 5 Apr 2002
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