PMID- 26674009 OWN - NLM STAT- MEDLINE DCOM- 20170106 LR - 20170107 IS - 1096-0805 (Electronic) IS - 0022-2011 (Linking) VI - 133 DP - 2016 Jan TI - Detection and distribution of ostreid herpesvirus 1 in experimentally infected Pacific oyster spat. PG - 59-65 LID - S0022-2011(15)30042-2 [pii] LID - 10.1016/j.jip.2015.11.013 [doi] AB - High mortality rates are reported in spat and larvae of Pacific oyster Crassostrea gigas and associated with ostreid herpesvirus 1 (OsHV-1) detection in France. Although the viral infection has been experimentally reproduced in oyster larvae and spat, little knowledge is currently available concerning the viral entry and its distribution in organs and tissues. This study compares OsHV-1 DNA and RNA detection and localization in experimentally infected oysters using two virus doses: a low dose that did not induce any mortality and a high dose inducing high mortality. Real time PCR demonstrated significant differences in terms of viral DNA amounts between the two virus doses. RNA transcripts were detected in oysters receiving the highest dose of viral suspension whereas no transcript was observed in oysters injected with the low dose. This study also allowed observing kinetics of viral DNA and RNA detection in different tissues of oyster spat. Finally, viral detection was significantly different in function of tissues (p<0.005), time (p<0.005) with an interaction between tissues and time (p<0.005) for each probe. CI - Copyright (c) 2015 Elsevier Inc. All rights reserved. FAU - Segarra, Amelie AU - Segarra A AD - Ifremer (Institut Francais de Recherche pour l'Exploitation de la Mer), Unite Sante, Genetique et Microbiologie des Mollusques (SG2M), Laboratoire de Genetique et Pathologie des Mollusques Marins (LGPMM), Avenue de Mus de Loup, 17390 La Tremblade, France. FAU - Baillon, Laury AU - Baillon L AD - Ifremer (Institut Francais de Recherche pour l'Exploitation de la Mer), Unite Sante, Genetique et Microbiologie des Mollusques (SG2M), Laboratoire de Genetique et Pathologie des Mollusques Marins (LGPMM), Avenue de Mus de Loup, 17390 La Tremblade, France. FAU - Faury, Nicole AU - Faury N AD - Ifremer (Institut Francais de Recherche pour l'Exploitation de la Mer), Unite Sante, Genetique et Microbiologie des Mollusques (SG2M), Laboratoire de Genetique et Pathologie des Mollusques Marins (LGPMM), Avenue de Mus de Loup, 17390 La Tremblade, France. FAU - Tourbiez, Delphine AU - Tourbiez D AD - Ifremer (Institut Francais de Recherche pour l'Exploitation de la Mer), Unite Sante, Genetique et Microbiologie des Mollusques (SG2M), Laboratoire de Genetique et Pathologie des Mollusques Marins (LGPMM), Avenue de Mus de Loup, 17390 La Tremblade, France. FAU - Renault, Tristan AU - Renault T AD - Ifremer (Institut Francais de Recherche pour l'Exploitation de la Mer), Unite Sante, Genetique et Microbiologie des Mollusques (SG2M), Laboratoire de Genetique et Pathologie des Mollusques Marins (LGPMM), Avenue de Mus de Loup, 17390 La Tremblade, France. Electronic address: Tristan.Renault@ifremer.fr. LA - eng PT - Journal Article PT - Research Support, Non-U.S. Gov't DEP - 20151207 PL - United States TA - J Invertebr Pathol JT - Journal of invertebrate pathology JID - 0014067 RN - 0 (DNA, Viral) RN - 0 (RNA, Viral) SB - IM MH - Animals MH - DNA, Viral/analysis/chemistry MH - Herpesviridae/isolation & purification/*physiology MH - Host-Pathogen Interactions MH - In Situ Hybridization MH - Kinetics MH - Larva/virology MH - Ostreidae/*virology MH - RNA, Viral/analysis/chemistry MH - Real-Time Polymerase Chain Reaction MH - Virus Internalization OTO - NOTNLM OT - Crassostrea gigas OT - In situ hybridization OT - Ostreid herpesvirus 1 OT - Viral DNA OT - Viral RNA EDAT- 2015/12/18 06:00 MHDA- 2017/01/07 06:00 CRDT- 2015/12/18 06:00 PHST- 2015/08/31 00:00 [received] PHST- 2015/11/27 00:00 [revised] PHST- 2015/11/30 00:00 [accepted] PHST- 2015/12/18 06:00 [entrez] PHST- 2015/12/18 06:00 [pubmed] PHST- 2017/01/07 06:00 [medline] AID - S0022-2011(15)30042-2 [pii] AID - 10.1016/j.jip.2015.11.013 [doi] PST - ppublish SO - J Invertebr Pathol. 2016 Jan;133:59-65. doi: 10.1016/j.jip.2015.11.013. Epub 2015 Dec 7.