Temperature-sensitive mutants of influenza virus: VI. Transfer of ts lesions from the Asian subtype of influenza a virus (H2N2) to the Hong Kong subtype (H3N2)

Temperature-sensitive genetic lesions were transferred from the ts-1 (H2N2) and ts-2 (H2N2) mutants of influenza A virus to wild-type influenza A (H3N2) virus by genetic reassortment. The ts-2 (H3N2) recombinants appeared to be homogeneous and did not undergo recombination with one another, suggesti...

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Veröffentlicht in:Virology (New York, N.Y.) N.Y.), 1975-08, Vol.66 (2), p.522-532
Hauptverfasser: Spring, Susan B, Nusinoff, Sandra R, Mills, John V, Richman, Douglas D, Tierney, Eveline L, Murphy, Brian R, Chanock, Robert M
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container_end_page 532
container_issue 2
container_start_page 522
container_title Virology (New York, N.Y.)
container_volume 66
creator Spring, Susan B
Nusinoff, Sandra R
Mills, John V
Richman, Douglas D
Tierney, Eveline L
Murphy, Brian R
Chanock, Robert M
description Temperature-sensitive genetic lesions were transferred from the ts-1 (H2N2) and ts-2 (H2N2) mutants of influenza A virus to wild-type influenza A (H3N2) virus by genetic reassortment. The ts-2 (H3N2) recombinants appeared to be homogeneous and did not undergo recombination with one another, suggesting that the original ts-2 mutant of influenza A (H2N2) contained a ts lesion(s) on only one RNA segment of its genome. In contrast the ts-1 (H3N2) recombinants fell into three phenotypic subsets which differed in degree of temperature sensitivity. Initially, the three subsets of ts-1 (H3N2) recombinants were thought to represent distinct complementation-recombination groups. However, complementation-recombination between the three subsets of ts-1 (H3N2) recombinants subsets was variable. Subsequent study indicated that mutants in each of the three subsets shared one ts lesion and two of the subsets shared an additional ts lesion. The mechanism whereby viruses of the three subsets which share one or two ts lesions, and nevertheless undergo apparent complementation-recombination on occasion is not understood.
doi_str_mv 10.1016/0042-6822(75)90224-X
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source MEDLINE; Elsevier ScienceDirect Journals; Elektronische Zeitschriftenbibliothek - Frei zugängliche E-Journals
subjects Animals
Antigens, Viral - analysis
Cattle
Culture Techniques
Fluorouracil
Genetic Complementation Test
Humans
Influenza A virus - growth & development
Influenza A virus - immunology
Influenza A virus - radiation effects
Influenza A Virus, H2N2 Subtype
Influenza A Virus, H3N2 Subtype
Kidney
Macaca mulatta
Mutagens
Mutation
Orthomyxoviridae - growth & development
Radiation Effects
Recombination, Genetic
Temperature
Ultraviolet Rays
Viral Plaque Assay
title Temperature-sensitive mutants of influenza virus: VI. Transfer of ts lesions from the Asian subtype of influenza a virus (H2N2) to the Hong Kong subtype (H3N2)
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