Open AccessConstruction of gene transfer vectors based on simian adenovirus 7
Author(s) -
Soumitra Roy,
David S. Clawson,
Virginie Adam,
Angélica Medina,
James M. Wilson
Publication year - 2011
Publication title -
journal of general virology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.55
H-Index - 167
eISSN - 1465-2099
pISSN - 0022-1317
DOI - 10.1099/vir.0.032300-0
Subject(s) - biology , virology , simian , vector (molecular biology) , gene , viral vector , genome , complementation , adenoviridae , adenovirus genome , mastadenovirus , shuttle vector , virus , genetics , microbiology and biotechnology , genetic enhancement , recombinant dna , phenotype
The complete nucleotide sequence of an isolate of simian adenovirus 7 (SAdV-7) was determined. The genome organization of this isolate was found to be similar to that of other primate adenoviruses with two principal notable points: severe truncation of the E1A and E1B 19K proteins and an E3 region encoding only the 12.5K homologue. The viral gene products of SAdV-7 are most closely related to simian adenovirus 1 (SAdV-1), and like SAdV-1, are related to the human adenovirus species HAdV-F, such as the enteric adenoviruses HAdV-40 and HAdV-41 and the recently defined HAdV-G (HAdV-52). Two kinds of gene transfer vectors were made: a replication-competent SAdV-7-based vector with no genomic deletion, and a standard replication-incompetent vector deleted for E1. Importantly, the E1-deleted vector could be propagated to high titre by trans-complementation in human HEK 293 cells.
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