Herpes simplex virus type 1 and bovine herpesvirus 1 latency

Clinton J Jones

Research output: Contribution to journalReview article

201 Citations (Scopus)

Abstract

Primary infection by herpes simplex virus type 1 (HSV-1) can cause clinical symptoms in the peripheral and central nervous system, upper respiratory tract, and gastrointestinal tract. Recurrent ocular shedding leads to corneal progress to vision loss. Consequently, HSV-1 is the leading cause of corneal blindness due to an infectious agent. Bovine herpesvirus (BHV-1) has similar biological properties to HSV-1 and is a significant concern to the cattle industry. Latency of BHV-1 and HSV-1 is established in sensory neurons of trigeminal ganglia, but latency can be interrupted periodically, leading to reactivation from latency and spread of infectious virus. The ability of HSV-1 and BHV-1 to reactivate from latency leads to virus transmission and can lead to recurrent disease in individuals latently infected with HSV-1. During latency, the only abundant HSV-1 RNA expressed is the latency-associated transcript (LAT). In latently infected cattle, the latency-related (LR) RNA is the only abundant transcript that is expressed. LAT and LR RNA are antisense to ICP0 or bICP0, viral genes that are crucial for productive infection, suggesting that LAT and LR RNA interfere with productive infection by inhibiting ICPO or bICPO expression. Numerous studies have concluded that LAT expression is important for the latency-reactivation cycle in animal models. The LR gene has recently been demonstrated to be required for the latency-reactivation cycle in cattle, Several recent studies have demonstrated that LAT and the LR gene inhibit apoptosis (programmed cell death) in trigeminal ganglia of infected animals and transientIy transfected cells. The antiapoptotic properties of LA T map to the same sequences that are necessary for promoting reactivation from latency. This review summarizes our current knowledge of factors regulating the latency-reactivation cycle of HSV-1 and BHV-1.

Original languageEnglish (US)
Pages (from-to)79-95
Number of pages17
JournalClinical Microbiology Reviews
Volume16
Issue number1
DOIs
StatePublished - Jan 1 2003

Fingerprint

Bovine Herpesvirus 1
Human Herpesvirus 1
Trigeminal Ganglion
RNA
Infection
Viruses
Antisense RNA
Aptitude
Viral Genes
Peripheral Nervous System
Sensory Receptor Cells
Blindness
Respiratory System
Genes
Gastrointestinal Tract
Industry
Cell Death
Central Nervous System
Animal Models
Apoptosis

ASJC Scopus subject areas

  • Epidemiology
  • Immunology and Microbiology(all)
  • Public Health, Environmental and Occupational Health
  • Microbiology (medical)
  • Infectious Diseases

Cite this

Herpes simplex virus type 1 and bovine herpesvirus 1 latency. / Jones, Clinton J.

In: Clinical Microbiology Reviews, Vol. 16, No. 1, 01.01.2003, p. 79-95.

Research output: Contribution to journalReview article

Jones, Clinton J. / Herpes simplex virus type 1 and bovine herpesvirus 1 latency. In: Clinical Microbiology Reviews. 2003 ; Vol. 16, No. 1. pp. 79-95.
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