Segregation of EAV-HP Ancient Endogenous Retroviruses within the Chicken Population
نویسندگان
چکیده
منابع مشابه
Segregation of EAV-HP ancient endogenous retroviruses within the chicken population.
Avian leukosis virus subgroup J (ALV-J), an exogenous avian retrovirus, is thought to have evolved by recombination with the highly identical env gene of the endogenous avian retrovirus EAV-HP. Embryonic expression of EAV-HP env has been suggested to be associated with the induction of immunological tolerance, a feature observed in a significant proportion of meat-type chickens infected with AL...
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The EAV-HP group of chicken endogenous retrovirus elements was previously shown to be defective, with large deletions of the pol gene. In this report, we demonstrate that genomes of other Gallus species also maintain EAV-HP elements with similar deletions. The chicken EAV-HP1 locus was detected in both red (Gallus gallus gallus) and Sonnerat's (Gallus sonneratii) jungle fowl with identical inte...
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The genetic determination of eggshell coloration has not been determined in birds. Here we report that the blue eggshell is caused by an EAV-HP insertion that promotes the expression of SLCO1B3 gene in the uterus (shell gland) of the oviduct in chicken. In this study, the genetic map location of the blue eggshell gene was refined by linkage analysis in an F(2) chicken population, and four candi...
متن کاملEndogenous Retrovirus EAV-HP Linked to Blue Egg Phenotype in Mapuche Fowl
Oocyan or blue/green eggshell colour is an autosomal dominant trait found in native chickens (Mapuche fowl) of Chile and in some of their descendants in European and North American modern breeds. We report here the identification of an endogenous avian retroviral (EAV-HP) insertion in oocyan Mapuche fowl and European breeds. Sequencing data reveals 100% retroviral identity between the Mapuche a...
متن کاملCorrection: Endogenous Retrovirus EAV-HP Linked to Blue Egg Phenotype in Mapuche Fowl
There is an error in the sequence length calculation in the second sentence of the first paragraph of the ‘‘Sequencing confirms the insertion to be EAV-HP integration’’ section in the Results. The correct sentence is: Identical host integration sites (/ Gga1/:67,324,624) and DNA sequences (4,250 bp) are found for the South American and European chickens. There is an error in the last sentence o...
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ژورنال
عنوان ژورنال: Journal of Virology
سال: 2001
ISSN: 0022-538X,1098-5514
DOI: 10.1128/jvi.75.23.11935-11938.2001