LONG-TERM PROMOTER ACTIVITY DURING HERPES-SIMPLEX VIRUS LATENCY

被引:82
作者
LOKENSGARD, JR [1 ]
BLOOM, DC [1 ]
DOBSON, AT [1 ]
FELDMAN, LT [1 ]
机构
[1] UNIV CALIF LOS ANGELES,SCH MED,DEPT MICROBIOL & IMMUNOL,LOS ANGELES,CA 90024
关键词
D O I
10.1128/JVI.68.11.7148-7158.1994
中图分类号
Q93 [微生物学];
学科分类号
071005 ; 100705 ;
摘要
The ability to direct foreign gene expression from the herpes simplex virus type 1 (HSV-1) genome during an acute or latent infection is a subject of increasing importance in the utilization of HSV vectors for gene therapy. Little is known about the types of transcription factors present in neurons or about whether different neuronal populations within a ganglion vary in their complement of these factors. With respect to HSV 1 latency, it is pot known how or why the latency-associated transcript (LAT) promoter is able to function continually during latency while all other viral promoters are inactive. To further studies of these two phenomena,; we constructed seven recombinant viruses with various promoter constructs driving expression of the lacZ reporter gene. Each construct was inserted into HSV-1 at the glycoprotein C locus, and recombinant viruses were evaluated for the ability to express beta-galactosidase during acute and latent viral infections in murine dorsal root ganglia. During acute infection of murine dorsal root ganglia, the activities of the promoters varied over a wide range. Constructs containing the murine metallothionein promoter (MT1), the phosphoglycerate kinase promoter, the Moloney murine leukemia virus long terminal repeat (LTR), or the region upstream of and including the HSV LAT core promoter (LAT) were active during the acute but not the latent phase of infection. The addition of transcription factor binding sites present in the upstream LAT region to the MT1 and LTR promoters (LAT-MT1 and LAT-LTR, respectively) significantly increased acute-phase expression. Despite these high initial rates of transcription, of all the promoter constructs only LAT-LTR was able to remain transcriptionally active after the establishment of a latent state. Thus, the Moloney murine leukemia virus LTR provides a DNA element which functions to prevent promoter inactivation during latency. An analogous HSV long-term-expression element is evidently not present in the upstream LAT promoter, indicating that the HSV long-term-expression function is provided by a region outside of that which gives high-level neuronal expression during the acute phase of infection.
引用
收藏
页码:7148 / 7158
页数:11
相关论文
共 44 条
[1]   CLONING AND EXPRESSION OF THE MOUSE PGK-1 GENE AND THE NUCLEOTIDE-SEQUENCE OF ITS PROMOTER [J].
ADRA, CN ;
BOER, PH ;
MCBURNEY, MW .
GENE, 1987, 60 (01) :65-74
[2]   REGULATION AND CELL-TYPE-SPECIFIC ACTIVITY OF A PROMOTER LOCATED UPSTREAM OF THE LATENCY-ASSOCIATED TRANSCRIPT OF HERPES-SIMPLEX VIRUS TYPE-1 [J].
BATCHELOR, AH ;
OHARE, P .
JOURNAL OF VIROLOGY, 1990, 64 (07) :3269-3279
[3]   LOCALIZATION OF CIS-ACTING SEQUENCE REQUIREMENTS IN THE PROMOTER OF THE LATENCY-ASSOCIATED TRANSCRIPT OF HERPES-SIMPLEX VIRUS TYPE-1 REQUIRED FOR CELL-TYPE-SPECIFIC ACTIVITY [J].
BATCHELOR, AH ;
OHARE, P .
JOURNAL OF VIROLOGY, 1992, 66 (06) :3573-3582
[4]   MOLECULAR ANALYSIS OF HERPES-SIMPLEX VIRUS TYPE-1 DURING EPINEPHRINE-INDUCED REACTIVATION OF LATENTLY INFECTED-RABBITS IN-VIVO [J].
BLOOM, DC ;
DEVIRAO, GB ;
HILL, JM ;
STEVENS, JG ;
WAGNER, EK .
JOURNAL OF VIROLOGY, 1994, 68 (03) :1283-1292
[5]   LATENT HERPES-SIMPLEX VIRUS IN HUMAN TRIGEMINAL GANGLIA - DETECTION OF AN IMMEDIATE EARLY GENE ANTISENSE TRANSCRIPT BY INSITU HYBRIDIZATION [J].
CROEN, KD ;
OSTROVE, JM ;
DRAGOVIC, LJ ;
SMIALEK, JE ;
STRAUS, SE .
NEW ENGLAND JOURNAL OF MEDICINE, 1987, 317 (23) :1427-1432
[6]   RNA FROM AN IMMEDIATE EARLY REGION OF THE TYPE-1 HERPES-SIMPLEX VIRUS GENOME IS PRESENT IN THE TRIGEMINAL GANGLIA OF LATENTLY INFECTED MICE [J].
DEATLY, AM ;
SPIVACK, JG ;
LAVI, E ;
FRASER, NW .
PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA, 1987, 84 (10) :3204-3208
[7]   DURING LATENCY, HERPES-SIMPLEX VIRUS TYPE-1 DNA IS ASSOCIATED WITH NUCLEOSOMES IN A CHROMATIN STRUCTURE [J].
DESHMANE, SL ;
FRASER, NW .
JOURNAL OF VIROLOGY, 1989, 63 (02) :943-947
[8]   RELATIONSHIP BETWEEN POLYADENYLATED AND NONPOLYADENYLATED HERPES-SIMPLEX VIRUS TYPE-1 LATENCY-ASSOCIATED TRANSCRIPTS [J].
DEVIRAO, GB ;
GOODART, SA ;
HECHT, LM ;
ROCHFORD, R ;
RICE, MK ;
WAGNER, EK .
JOURNAL OF VIROLOGY, 1991, 65 (05) :2179-2190
[9]   IDENTIFICATION OF THE LATENCY-ASSOCIATED TRANSCRIPT PROMOTER BY EXPRESSION OF RABBIT BETA-GLOBIN MESSENGER-RNA IN MOUSE SENSORY NERVE GANGLIA LATENTLY INFECTED WITH A RECOMBINANT HERPES-SIMPLEX VIRUS [J].
DOBSON, AT ;
SEDERATI, F ;
DEVIRAO, G ;
FLANAGAN, WM ;
FARRELL, MJ ;
STEVENS, JG ;
WAGNER, EK ;
FELDMAN, LT .
JOURNAL OF VIROLOGY, 1989, 63 (09) :3844-3851
[10]   A LATENT, NONPATHOGENIC HSV-1-DERIVED VECTOR STABLY EXPRESSES BETA-GALACTOSIDASE IN MOUSE NEURONS [J].
DOBSON, AT ;
MARGOLIS, TP ;
SEDARATI, F ;
STEVENS, JG ;
FELDMAN, LT .
NEURON, 1990, 5 (03) :353-360