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Agricultural Research Service United States Department of Agriculture
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Timothy Welch (Tim)
Leetown, West Virginia
Microbiologist

Phone: (304) 724-8340 ext. 2136
Fax: (304) 725-0351
11861 LEETOWN ROAD
KEARNEYSVILLE, WV, 25430

Projects
HOST, PATHOGEN AND ENVIRONMENTAL INTERACTIONS IN COOL AND COLD WATER AQUACULTURE
Appropriated (D)
  Accession Number: 409186

Publications
Suggestive association of major histocompatibility IB genetic markers with resistance to bacterial cold water disease in rainbow trout (Oncorhynchus mykiss) - (Peer Reviewed Journal)
Johnson, N., Vallejo, R.L., Silverstein, J., Welch, T.J., Wiens, G.D., Hallerman, E.M., Palti, Y. 2008. Suggestive association of major histocompatibility IB genetic markers with resistance to bacterial cold water disease in rainbow trout (Oncorhynchus mykiss). Marine Biotechnology. 10:429-437.
Spleen Size Predicts Resistance of Rainbow Trout to Flavobacterium psychrophilum Challenge - (Peer Reviewed Journal)
Hadidi, S., Glenney, G., Welch, T.J., Silverstein, J., Wiens, G.D. 2008. Spleen Size Predicts Resistance of Rainbow Trout to Flavobacterium psychrophilum Challenge. Journal of Immunology. 180:4156-4165.
Cortisol Response to a Crowding Stress: Heritability and Association with Disease Resistance to Yersinia ruckeri in Rainbow Trout - (Peer Reviewed Journal) - (27-Oct-07)
Recent Advances in Bacterial Coldwater Disease Research - (Trade Journal)
Wiens, G.D., Welch, T.J. 2007. Recent Advances in Bacterial Coldwater Disease Research. Trout Talk Pg 5-6.
Genome Sequence of Flavobacterium psychrophilum Strain CSF 259-93 and Characterization of a Large Cluster of Genes Containing Short Repeats - (Abstract)
Wiens, G.D., Welch, T.J., Rexroad III, C.E., Lapatra, S., Call, D.R., Hunnicutt, D., Bhattacharyya, A., Campbell, J., Walunas, T. 2007. Genome Sequence of Flavobacterium psychrophilum Strain CSF 259-93 and Characterization of a Large Cluster of Genes Containing Short Repeats. Meeting Abstract Pg 12.
Rainbow Trout Innate Immunity against Flavobacterium psychrophilum - (Abstract)
Hadidi, S., Glenney, G.W., Welch, T.J., Silverstein, J., Blazer, V., Wiens, G.D. 2007. Rainbow Trout Innate Immunity against Flavobacterium psychrophilum. Meeting Abstract Pg 35.
Associations of Markers Linked to Major Histocompatibility (MH) Regions With Disease Resistance in Rainbow Trout - (Abstract)
Palti, Y., Johnson, N., Rexroad III, C.E., Welch, T.J., Wiens, G.D., Silverstein, J., Vallejo, R.L. Associations of Markers Linked to Major Histocompatibility (MH) Regions With Disease Resistance in Rainbow Trout. Meeting Abstract.
Transcription termination Within the iron transport-biosynthesis operon of Vibrio anguillarum requires an antisense RNA - (Peer Reviewed Journal)
Stork, M., Di Lorenzo, M., Welch, T.J., Crosa, J. 2007. Transcription termination Within the iron transport-biosynthesis operon of Vibrio anguillarum requires an antisense RNA. Journal of Bacteriology 189:(9), 3479-88.
Multiple Antimicrobial Resistance in Plague: An Emerging Public Health Risk - (Peer Reviewed Journal)
Welch, T.J., Fricke, W.F., Rosso, M.L., Rasko, D.A., Mammel, M., Eppinger, M., Rosovitz, M.J., White, D.G., Mcdermott, P.F., Wagner, D., Rahalison, L., Leclerc, J.E., Hinshaw, J.M., Lindler, L.E., Cebula, T.A., Carniel, E., Ravel, J. 2007. Multiple Antimicrobial Resistance in Plague: An Emerging Public Health Risk. PLoS One. Vol.1 (3)1-6.
Distribution of Yersinia pestis pIP1202-like Multidrug Resistance Plasmids Among Foodborne Pathogens - (Abstract)
Welch, T.J., Fricke, W.F., Eppinger, M., Rosovitz, M.J., Mcdermott, P., White, D., Wiens, G.D., Ravel, J. 2007. Distribution of Yersinia pestis pIP1202-like Multidrug Resistance Plasmids Among Foodborne Pathogens. American Society of Microbiologists Abstracts.
Spleen Size Predicts Innate Resistance of Rainbow Trout to Flavobacterium psychrophilum Challenge - (Abstract)
Hadidi, S., Glenney, G., Welch, T.J., Silverstein, J., Wiens, G.D. 2007. Spleen Size Predicts Innate Resistance of Rainbow Trout to Flavobacterium psychrophilum Challenge. American Society for Microbiology.
Associations of Markers Linked to Major Histocompatibility (MH) Regions and to Other Immune Response Genes with Disease Resistance in Rainbow Trout - (Abstract)
Palti, Y., Johnson, N., Rexroad III, C.E., Welch, T.J., Wiens, G.D., Silverstein, J., Vallejo, R.L. 2006. Associations of Markers Linked to Major Histocompatibility (MH) Regions and to Other Immune Response Genes with Disease Resistance in Rainbow Trout. Plant and Animal Genome Abstracts Pg. 11.
Associations of Markers Linked to Major Histocompatibility (MH) Regions and to Other Immune Response Genes with Disease Resistance in Rainbow Trout - (Abstract)
Palti, Y., Johnson, N., Rexroad III, C.E., Welch, T.J., Wiens, G.D., Silverstein, J., Vallejo, R.L. 2006. Associations of Markers Linked to Major Histocompatibility (MH) Regions and to Other Immune Response Genes with Disease Resistance in Rainbow Trout. World Aquaculture Society Meeting.
GENOMIC AND FUNCTIONAL-GENETIC CHARACTERIZATION OF BACTERIOPHAGE NC10 REVEALS A NOVEL Yersinia ruckeri VIRULENCE NEUTRALIZING ACTIVITY - (Abstract)
Welch, T.J. 2006. Genomic and functional-genetic characterization of bacteriophage nc10 reveals a novel yersinia ruckeri virulence neutralizing activity. Meeting Abstract pg 272.
Cortisol response to a crowding stress: Heritability and association with disease resistance to Yersinia ruckeri in rainbow trout - (Abstract)
Weber, G.M., Lankford, S., Silverstein, J., Vallejo, R.L., Welch, T.J. 2007. Cortisol response to a crowding stress: Heritability and association with disease resistance to Yersinia ruckeri in rainbow trout. Book of Abstracts Aquaculture America.
CRACKING THE CODE: SELECTING FOR RESISTANCE AGAINST BACTERIAL COLD-WATER DISEASE - (Trade Journal)
Silverstein, J., Palti, Y., Vallejo, R.L., Welch, T.J., Wiens, G.D. 2006. Cracking the code: selecting for resistance against bacterial cold-water disease. Trout Talk.
SELECTIVE BREEDING AND GENETIC MAPPING OF DISEASE RESISTANCE IN RAINBOW TROUT - (Abstract)
Palti, Y., Rexroad Iii, C.E., Welch, T.J., Wiens, G.D., Silverstein, J., Vallejo, R.L. 2006. Selective breeding and genetic mapping of disease resistance in rainbow trout. Meeting Abstract. Presented at The 9th International Symposium of The International Association for Genetics in Aquaculture, June 26-30, 2006 at Montpellier, France. Meeting Book of Abstracts p. 81.
GENE EXPRESSION AND CELLULAR IMMUNE RESPONSE OF RAINBOW TROUT (ONCORHYNCHUS MYKISS) EXPOSED TO YERSINIA RUCKERI: A MODEL SYSTEM FOR UNDERSTANDING MECHANISMS OF TELEOST PROTECTIVE IMMUNITY - (Abstract)
Wiens, G.D., Lapatra, S., Palti, Y., Rexroad III, C.E., Yao, J., Welch, T.J. 2006. Gene expression and cellular immune response of rainbow trout (Oncorhynchus mykiss) exposed to Yersinia ruckeri: A model system for understanding mechanisms of teleost protective immunity. 10th International Congress, International Society of Developmental and Comparative Immunology, July 1 - 6, 2006. Meeting Abstract. Page 249.
IDENTIFICATION OF NOVEL RAINBOW TROUT (ONCHORYNCHUS MYKISS) CHEMOKINES, CXCD1 AND CXCD2: MRNA EXPRESSION FOLLOWING YERSINIA RUCKERI VACCINATION AND CHALLENGE - (Peer Reviewed Journal)
Wiens, G.D., Glenney, G.W., Lapatra, S.E., Welch, T.J. 2006. Identification of novel rainbow trout (Onchorynchus mykiss) chemokines, cxcd1 and cxcd2: Mrna expression following Yersinia ruckeri vaccination and challenge. Immunogenetics. 2006 May;58(4):308-23. Epub 2006 Mar 29.
CHARACTERIZATION OF MAJOR HISTOCOMPATIBILITY (MH) HAPLOTYPES AND THEIR ASSOCIATION WITH DISEASE RESISTANCE IN RAINBOW TROUT - (Abstract)
Palti, Y., Rexroad III, C.E., Welch, T.J., Wiens, G.D., Silverstein, J. 2005. Characterization of major histocompatibility (MH) haplotypes and their association with desease resistance in rainbow trout. Plant and Animal Genome Conference. Abstract ID P643, page 262.
CHARACTERIZATION OF A BACTERIOPHAGE SPECIFIC FOR THE SALMONID PATHOGEN YERSINIA RUCKERI - (Abstract)
Welch, T.J. 2005. Characterizaion of a bacteriophage specific for the salmonid pathogen yersinia ruckeri. Evergreen International Phage Meeting. the Evergreen State College, Olympia, WA. p. A-43.
CONSTRUCTION OF A VIRULENT, GREEN FLUORESCENT PROTEIN-TAGGED YERSINIA RUCKERI AND DETECTION IN TROUT TISSUES AFTER INTRAPERITONEAL AND IMMERSION CHALLENGE - (Peer Reviewed Journal)
Welch, T.J., Wiens, G.D. 2005. Construction of a virulent, green fluorescent protein-tagged yersinia ruckeri and detection in trout tissues after intraperitoneal and immersion challenge. Diseases of Aquatic Organisms. 67:267-272.
NOVEL ROLE OF THE LIPOPOLYSACCHARIDE O1-SIDE CHAIN IN FERRIC-SIDEROPHORE TRANSPORT AND VIRULENCE OF VIBRIO ANGUILLARUM - (Peer Reviewed Journal)
Welch, T.J., Crosa, J. 2005. Novel role of the lipopolysaccharide o1-side chain in ferric-siderophore transport and virulence of vibrio anguillarum. Infection and Immunity Vol. 73 No 9, 5864-5872.
GENOMIC CHARACTERIZATION AND EXPRESSION ANALYSIS OF A TUMOR NECROSIS FACTOR SUPERFAMILY 13B (TNFSF 13B) HOMOLOGUE FROM RAINBOW TROUT (ONCORHYNCHUS MYKISS) - (Abstract)
Wiens, G.D., Gahr, S.A., Morrison, C., Palti, Y., Rexroad III, C.E., Rodriguez, M.F., Welch, T.J. 2004. Genomic characterization and expression analysis of a tumor necrosis factor superfamily 13b (tnfsf 13b) homologue from rainbow trout (oncorhynchus mykiss). International Immunology Congress p. 82C (abstract W15.15).
DEVELOPMENT OF A NOVEL STRATEGY FOR CLEARING FISH PATHOGENS FROM RECIRCULATING AQUACULTURE SYSTEMS USING BACTERIOPHAGE - (Abstract)
Brazil, B.L., Welch, T.J. 2004. Development of a novel strategy for clearing fish pathogens from recirculating aquaculture systems using bacteriophage. International Aquaculture Meeting. P. 41.
MOLECULAR CHARACTERIZATION OF A PUTATIVE TUMOR NECROSIS FACTOR SUPERFAMILY 13B (TNFSF 13B) HOMOLOGUE FROM RAINBOW TROUT (ONCORHYNCHUS MYKISS) - (Abstract)
Wiens, G.D., Palti, Y., Rexroad III, C.E., Welch, T.J. 2003. Molecular characterization of a putative tumor necrosis factor superfamily 13b (tnfsf 13b) homologue from rainbow trout (oncorhynchus mykiss). Immunology Research Workshop. p.35.
CHARACTERIZATION AND MAPPING OF IMMUNE RESPONSE GENES IN RAINBOW TROUT (ONCORHYNCHUS MYKISS) - (Abstract)
Rodriguez, M.F., Hansen, J., Wiens, G.D., Welch, T.J., Palti, Y. 2003. Characterization and mapping of immune response genes in rainbow trout (oncorhynchus mykiss). Meeting Abstract. Nov 9-15, 2003. p.4.
IDENTIFICATION OF A SIDEROPHORE BIOSYNTHETIC GENE FROM THE FISH PATHOGEN AEROMONAS SALMONICIDA - (Abstract)
Welch, T.J., Di Lorenzo, M., Crosa, J. 2003. Identification of a siderophore biosynthetic gene from the fish pathogen aeromonas salmonicida. 103d American Society for Microbiology Meeting. p.216.
SEQUENCE OF VIRULENCE PLASMID PJM1 FROM THE MARINE FISH PATHOGEN VIBRIO ANGUILLARUM STRAIN 775 - (Peer Reviewed Journal)
Di Lorenzo, M., Stork, M., Tolmasky, M.E., Actis, L.A., Farrell, D., Welch, T.J., Crosa, L.M., Wertheimer, A.M., Chen, Q., Salinas, P. 2003. Sequence of virulence plasmid pjm1 from the marine fish pathogen vibrio anguillarum strain 775. Journal of Bacteriology. 185(19):5822.

   
 
Last Modified: 10/29/2008
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