Interactions between exogenous and endogenous retroviruses

被引:24
作者
Rasmussen, HB
机构
[1] Department of Life Sciences and Chemistry, Roskilde University, Roskilde
[2] Department of Life Sciences and Chemistry, Roskilde University, DK-4000 Roskilde
关键词
retroviruses; exogenous; endogenous; interactions;
D O I
10.1007/BF02255587
中图分类号
Q2 [细胞生物学];
学科分类号
071009 ; 090102 ;
摘要
Retroviruses are distinguished from other viruses by several features. Notably, some retroviruses are present as normal elements in the genomes of virtually all vertebrates (endogenous proviruses). Others are exogenous, i.e. horizontally transmitted agents, many of which cause fatal diseases. The endogenous retroviruses are genetically transmitted and to a large extent their significance is uncertain. However, there is evidence suggesting that they contribute to the development of diseases in several animal species. Most importantly, some endogenous retroviruses are capable of interacting with exogenous counterparts through a variety of different mechanisms with serious consequences to the host. Conversely, others are advantageous in that they protect against exogenous retroviruses. In this review various types of interactions between endogenous and exogenous retroviruses are discussed, including receptor interference, recombination, phenotypic mixing, immunological interactions and heterologous trans-activation.
引用
收藏
页码:1 / 8
页数:8
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