Mechanisms and factors that influence high frequency retroviral recombination
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Mechanisms and factors that influence high frequency retroviral recombination. / Delviks-Frankenberry, Krista; Galli, Andrea; Nikolaitchik, Olga; Mens, Helene; Pathak, Vinay K.; Hu, Wei Shau.
I: Viruses, Bind 3, Nr. 9, 09.2011, s. 1650-1680.Publikation: Bidrag til tidsskrift › Tidsskriftartikel › Forskning › fagfællebedømt
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TY - JOUR
T1 - Mechanisms and factors that influence high frequency retroviral recombination
AU - Delviks-Frankenberry, Krista
AU - Galli, Andrea
AU - Nikolaitchik, Olga
AU - Mens, Helene
AU - Pathak, Vinay K.
AU - Hu, Wei Shau
PY - 2011/9
Y1 - 2011/9
N2 - With constantly changing environmental selection pressures, retroviruses rely upon recombination to reassort polymorphisms in their genomes and increase genetic diversity, which improves the chances for the survival of their population. Recombination occurs during DNA synthesis, whereby reverse transcriptase undergoes template switching events between the two copackaged RNAs, resulting in a viral recombinant with portions of the genetic information from each parental RNA. This review summarizes our current understanding of the factors and mechanisms influencing retroviral recombination, fidelity of the recombination process, and evaluates the subsequent viral diversity and fitness of the progeny recombinant. Specifically, the high mutation rates and high recombination frequencies of HIV-1 will be analyzed for their roles in influencing HIV-1 global diversity, as well as HIV-1 diagnosis, drug treatment, and vaccine development.
AB - With constantly changing environmental selection pressures, retroviruses rely upon recombination to reassort polymorphisms in their genomes and increase genetic diversity, which improves the chances for the survival of their population. Recombination occurs during DNA synthesis, whereby reverse transcriptase undergoes template switching events between the two copackaged RNAs, resulting in a viral recombinant with portions of the genetic information from each parental RNA. This review summarizes our current understanding of the factors and mechanisms influencing retroviral recombination, fidelity of the recombination process, and evaluates the subsequent viral diversity and fitness of the progeny recombinant. Specifically, the high mutation rates and high recombination frequencies of HIV-1 will be analyzed for their roles in influencing HIV-1 global diversity, as well as HIV-1 diagnosis, drug treatment, and vaccine development.
KW - HIV-1
KW - Recombination
KW - Retrovirus
UR - http://www.scopus.com/inward/record.url?scp=80053313880&partnerID=8YFLogxK
U2 - 10.3390/v3091650
DO - 10.3390/v3091650
M3 - Journal article
C2 - 21994801
AN - SCOPUS:80053313880
VL - 3
SP - 1650
EP - 1680
JO - Viruses
JF - Viruses
SN - 1999-4915
IS - 9
ER -
ID: 379291556