THE ENTRY OF JUNIN VIRUS INTO VERO CELLS

被引:54
作者
CASTILLA, V [1 ]
MERSICH, SE [1 ]
CANDURRA, NA [1 ]
DAMONTE, EB [1 ]
机构
[1] UNIV BUENOS AIRES, FAC CIENCIAS EXACTAS & NAT, DEPT QUIM BIOL, VIROL LAB, RA-1428 BUENOS AIRES, ARGENTINA
关键词
D O I
10.1007/BF01321064
中图分类号
Q93 [微生物学];
学科分类号
071005 ; 100705 ;
摘要
The entry mechanism of Junin virus (JV) into Vero cells was studied analyzing the effect oflysosomotropic compounds and acid pH on JV infection. Ammonium chloride, amantadine, chlorpheniramine and procaine inhibited JV production. The action of ammonium chloride was exerted at early times of infection. Virus internalization was inhibited and viral protein expression was not detected. When the extracellular medium was buffered at low pH, the ammonium chloride induced block on JV infection was overcome. Furthermore, JV was able to induce fusion of infected cells at pH 5.5 leading to polykaryoctye formation. Taken together, these results demonstrate that JV entry occurs through an endocytic mechanism requiring a low pH dependent membrane fusion.
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页码:363 / 374
页数:12
相关论文
共 27 条
  • [1] THE ENTRY OF AFRICAN SWINE FEVER VIRUS INTO VERO CELLS
    ALCAMI, A
    CARRASCOSA, AL
    VINUELA, E
    [J]. VIROLOGY, 1989, 171 (01) : 68 - 75
  • [2] BISHOP DHL, 1987, CURR TOP MICROBIOL, V133, P5
  • [3] BUCHMEIER MJ, 1987, CURR TOP MICROBIOL, V133, P41
  • [4] ANTIGENIC RELATIONSHIPS BETWEEN ATTENUATED AND PATHOGENIC STRAINS OF JUNIN VIRUS
    CANDURRA, NA
    DAMONTE, EB
    COTO, CE
    [J]. JOURNAL OF MEDICAL VIROLOGY, 1989, 27 (02) : 145 - 150
  • [5] A COMPARISON OF JUNIN VIRUS-STRAINS - GROWTH-CHARACTERISTICS, CYTOPATHOGENICITY AND VIRAL POLYPEPTIDES
    CANDURRA, NA
    SCOLARO, LA
    MERSICH, SE
    DAMONTE, EB
    COTO, CE
    [J]. RESEARCH IN VIROLOGY, 1990, 141 (05): : 505 - 515
  • [6] DEMITRI MI, 1985, ACTA VIROL, V29, P97
  • [7] DOMS RW, 1985, J BIOL CHEM, V260, P2973
  • [8] EARLY EVENTS IN ARENAVIRUS REPLICATION ARE SENSITIVE TO LYSOSOMOTROPIC COMPOUNDS
    GLUSHAKOVA, SE
    LUKASHEVICH, IS
    [J]. ARCHIVES OF VIROLOGY, 1989, 104 (1-2) : 157 - 161
  • [9] THE UNCOATING AND INFECTIVITY OF THE FLAVIVIRUS WEST NILE ON INTERACTION WITH CELLS - EFFECTS OF PH AND AMMONIUM-CHLORIDE
    GOLLINS, SW
    PORTERFIELD, JS
    [J]. JOURNAL OF GENERAL VIROLOGY, 1986, 67 : 1941 - 1950
  • [10] GRAU O, 1981, REPLICATION NEGATIVE, P11