PMID: 16520536Mar 8, 2006Paper

Investigation of pseudorabies virus latency in nervous tissues of seropositive pigs exposed to field strain

The Journal of Veterinary Medical Science
Hyun-A YoonHee-Jong Song

Abstract

The prevalence and quantity of latent pseudorabies virus (PrV) in nervous tissues of pigs exposed to field strain in Korea was investigated by nested and real-time PCR. Nervous tissues including trigeminal ganglion (TG), olfactory bulb (OB), and brain stem (BS) were collected from 94 seropositive pigs. PrV latent infection in nervous tissues was initially investigated by nested PCR targeting three glycoprotein genes (gB, gE, and gG). Based on the obtained result, latent infection was detected in 95.7% of screened animals. Furthermore, it was revealed that the examined tissues harbored different copy numbers of latent PrV genome ranging from <10(2.0) to 10(7.1) copies per microgram of genomic DNA in real-time PCR analysis. These results show that under normal conditions, levels of latent PrV in the nervous tissues of pigs can vary across a wide range. Therefore, the data presented here provides information regarding control of the endemic state of PrV in Korea.

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Citations

May 12, 2009·Journal of Ethnopharmacology·Shih-Ling HsuanJiunn-Wang Liao
Sep 10, 2014·Journal of Virological Methods·Kerstin WernikeBernd Hoffmann
Mar 7, 2018·FASEB Journal : Official Publication of the Federation of American Societies for Experimental Biology·Yan-Dong TangXue-Hui Cai

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