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Type: Artigo de periódico
Title: A variable region of Anticarsia gemmatalis nuclear polyhedrosis virus contains tandemly repeated DNA sequences
Author: GarciaMaruniak, A
Pavan, OHO
Maruniak, JE
Abstract: A variable region (PstI-T fragment) of two genotypic variants of the Anticarsia gemmatalis multiple nucleocapsid nuclear polyhedrosis virus (AgMNPV) was sequenced and compared. This region, which is known to have deletions and duplications in AgMNPV variants, was shown to be formed of units of a 127 bp tandemly repeated sequence containing two 30 bp imperfect palindromes. Southern blot experiments showed that the PstI-T fragment contained one of the four homologous regions mapped interspersed in the AgMNPV genome. The comparison of the nucleotide sequences of the two variants, AgMNPV-2D and AgMNPV-D7, showed that the difference between these two variants in one of these regions (hr4) was caused by the addition or elimination of 381 bp corresponding exactly to three of the 127 bp repeated sequences. An analysis of the sequence showed homology to the homologous regions (hr) of other baculoviruses. The sequence upstream of the repetitive region contained a sequence homologous to the N-terminal portion of the Autographa californica MNPV and Choristoneura fumiferana MNPV p74 gene.
Subject: baculovirus
nuclear polyhedrosis virus
homologous regions
repetitive sequences
genomic variants
Country: Holanda
Editor: Elsevier Science Bv
Rights: fechado
Identifier DOI: 10.1016/0168-1702(95)01264-8
Date Issue: 1996
Appears in Collections:Artigos e Materiais de Revistas Científicas - Unicamp

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