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ARS Home » Northeast Area » Wyndmoor, Pennsylvania » Eastern Regional Research Center » Residue Chemistry and Predictive Microbiology Research » People & Locations » Gary Richards

Gary P Richards
Residue Chemistry and Predictive Microbiology Research
Microbiologist

Phone: (302) 857-6419
Fax: (302) 857-6451

(Employee information on this page comes from the REE Directory. Please contact your front office staff to update the REE Directory.)

Projects
Innovative Detection and Intervention Technologies Mitigating Shellfish-borne Pathogens
In-House Appropriated (D)
  Accession Number: 439581

Publications (Clicking on the reprint icon Reprint Icon will take you to the publication reprint.)
Predator-prey interactions between Halobacteriovorax and pathogenic Vibrio parahaemolyticus strains: geographical considerations and influence of Vibrio hemolysins Reprint Icon - (Peer Reviewed Journal)
Richards, G.P., Watson, M.A., Williams, H.N., Jones, J.L. 2023. Predator-prey interactions between Halobacteriovorax and pathogenic Vibrio parahaemolyticus strains: geographical considerations and influence of Vibrio hemolysins. Microbiology Spectrum. 11(4). https://doi.org/10.1128/spectrum.02353-23.
Bacteriophages improve survival and metamorphosis of larval Pacific oysters (Crassostrea gigas) exposed to Vibrio coralliilyticus (strain RE98) Reprint Icon - (Peer Reviewed Journal)
Madison, D., Richards, G.P., Sulakvelidze, A., Langdon, C. 2022. Bacteriophages improve survival and metamorphosis of larval Pacific oysters (Crassostrea gigas) exposed to Vibrio coralliilyticus (strain RE98). Aquaculture. 555(2022)738242. https://doi.org/10.1016/j.aquaculture.2022.738242.
Vibrio coralliilyticus induction of virulence toward larval oysters and corals at elevated seawater temperatures and potential mitigation strategies - (Proceedings)
Richards, G.P., Ushijima, B. 2021. Vibrio coralliilyticus induction of virulence toward larval oysters and corals at elevated seawater temperatures and potential mitigation strategies. Proceedings of US-Japan Natural Resources Panel on Aquaculture. p. 104-110.
Bacteriophages against Vibrio coralliilyticus and Vibrio tubiashii: Isolation, characterization and remediation of larval oyster mortalities Reprint Icon - (Peer Reviewed Journal)
Richards, G.P., Watson, M.A., Madison, D., Soffer, N., Needleman, D.S., Soroka, D.S., Uknalis, J., Baranzoni, G., Church, K.M., Poison, S.W., Elston, R., Langdon, C., Sulakvelictze, A. 2021. Bacteriophages against Vibrio coralliilyticus and Vibrio tubiashii: Isolation, characterization and remediation of larval oyster mortalities. Applied and Environmental Microbiology. 87. https://doi.org/10.1128/AEM.00008-21.
Seasonal and geographical differences in total and pathogenic vibrio parahaemolyticus and vibrio vulninficus levels in seawater and oysters from the Delaware and Chesapeake Bays using several methods Reprint Icon - (Peer Reviewed Journal)
Parveen, S., Jacobs, J., Ozbay, G., Chintapenta, L., Almuhaideb, E., Meredith, J., Ossai, S., Abbott, A., Grant, A., Brohawn, K., Chigbu, P., Richards, G.P. 2020. Seasonal and geographical differences in total and pathogenic vibrio parahaemolyticus and vibrio vulninficus levels in seawater and oysters from the Delaware and Chesapeake Bays using several methods. Applied and Environmental Microbiology. 86(23). https://doi.org/10.1128/AEM.01581-20.
Development and evaluation of polymorphic locus sequence typing for epidemiological tracking of Vibrio parahaemolyticus Reprint Icon - (Peer Reviewed Journal)
Edlind, T., Richards, G.P. 2019. Development and evaluation of polymorphic locus sequence typing for epidemiological tracking of Vibrio parahaemolyticus. Foodborne Pathogens and Disease. https://doi.org/10.1089/fpd.2019.2649.
Bacteriophages against pathogenic vibrios in Delaware Bay oysters (Crassostrea virginica) during a period of high levels of pathogenic vibrio parahaemolyticus Reprint Icon - (Peer Reviewed Journal)
Richards, G.P., Chintapenta, L.K., Watson, M.A., Abbott, A.G., Ozbay, G., Uknalis, J., Oyelade, A., Parveen, S. 2019. Bacteriophages against pathogenic vibrios in Delaware Bay oysters (Crassostrea virginica) during a period of high levels of pathogenic vibrio parahaemolyticus. Food and Environmental Virology. https://doi.org/10.1007/s12560-019-09365-5.
Whole genome sequences of two Pseudoalteromonas piscicida strains DE1-A and DE2-A, which exhibit strong antibacterial activity against Vibrio vulnificus - (Peer Reviewed Journal)
Richards, G.P., Needleman, D.S., Watson, M.A., Poulson, S.W. 2019. Whole genome sequences of two Pseudoalteromonas piscicida strains DE1-A and DE2-A, which exhibit strong antibacterial activity against Vibrio vulnificus. Microbiology Resource Announcements. 8:e01451-18.
Complete genome sequence of Vibrio coralliilyticus RE22, a marine bacterium pathogenic toward larval shellfish Reprint Icon - (Peer Reviewed Journal)
Richards, G.P., Kingham, B., Shevchenko, O., Watson, M.A., Needleman, D.S. 2018. Complete genome sequence of Vibrio coralliilyticus RE22, a marine bacterium pathogenic toward larval shellfish. Microbiology Resource Announcements. 7(17):e01332-18. https://doi.org/10.1128/MRA01332-18.
Factors affecting infection of corals and larval oysters by vibrio coralliilyticus Reprint Icon - (Peer Reviewed Journal)
Ushijima, B., Richards, G.P., Watson, M.A., Schubiger, C.B., Hase, C.C. 2018. Factors affecting infection of corals and larval oysters by vibrio coralliilyticus. PLoS One. https://doi.org/10.1371/journal.pone.0199475.
Three draft genomes of Vibrio coralliilyticus strains isolated from bivalve hatcheries - (Peer Reviewed Journal)
Kehlet-Delgado, H., Richards, G.P., Hase, C., Mueller, R.S. 2017. Three draft genomes of Vibrio coralliilyticus strains isolated from bivalve hatcheries. Genome Announcements. Volume 5: Issue 41 e01162-17.
Complete genome sequence of Pseudoalteromononas piscicida strain DE2-B, a bacterium with broad inhibitory activity toward human and fish pathogens - (Peer Reviewed Journal)
Richards, G.P., Needleman, D.S., Watson, M.A. 2017. Complete genome sequence of Pseudoalteromononas piscicida strain DE2-B, a bacterium with broad inhibitory activity toward human and fish pathogens. Genome Announcements. http://doi.org/10.1128/genomeA.00752-17.
Pseudomonas piscicida kills vibrios by two distinct mechanisms - (Abstract Only)
Richards, G.P. 2017. Pseudomonas piscicida kills vibrios by two distinct mechanisms. Meeting Abstract. doi.org/10.1128/AEM00800-17.
Mechanisms for pseudoalteromonas piscicida-induced killing of vibrios and other bacterial pathogens - (Peer Reviewed Journal)
Richards, G.P., Watson, M.A., Needleman, D.S., Uknalis, J., Boyd, E., Fay, J.P. 2017. Mechanisms for pseudoalteromonas piscicida-induced killing of vibrios and other bacterial pathogens. Applied and Environmental Microbiology. doi: 10.1128/AEM.00175-17.
Persistence and elimination of human norovirus in food and on food contact surfaces: a critical review - (Review Article)
Cook, N., Knight, A., Richards, G.P. 2016. Persistence and elimination of human norovirus in food and on food contact surfaces: a critical review. Journal of Food Protection. 79(7):1273-1294.
Hatchery mortalities of larval oysters caused by Vibrio tubiashii and Vibrio coralliilyticus - (Abstract Only)
Richards, G.P. 2016. Hatchery mortalities of larval oysters caused by Vibrio tubiashii and Vibrio coralliilyticus. Meeting Abstract. Aquaculture 2016, Las Vegas, NV, February 22-26, 2016, Page 666.
Purification and host specificity of predatory halobacteriovorax isolated from seawater - (Peer Reviewed Journal)
Richards, G.P., Fay, J.P., Uknalis, J., Olanya, O.M., Watson, M.A. 2016. Purification and host specificity of predatory halobacteriovorax isolated from seawater. Applied and Environmental Microbiology. 82(3):922-927.
A critical review on the survival and elimination of norovirus in food and on food contact surfaces - (Review Article)
Cook, N., Knight, A., Richards, G.P., Stein, J. 2015. A critical review on the survival and elimination of norovirus in food and on food contact surfaces. Review Article. https://www.food.gov.uk/science/research/foodborneillness/b14programme/fs101120.
Complete genome sequence of the larval shellfish pathogen Vibrio Tubiashii type strain ATCC 19109 - (Peer Reviewed Journal)
Richards, G.P., Needleman, D.S., Watson, M.A., Bono, J.L. 2014. Complete genome sequence of the larval shellfish pathogen Vibrio Tubiashii type strain ATCC 19109. Genome Announcements. 2(6); e01252-14. DOI: 10.1128/genomeA01252-14.
Mortalities of eastern and pacific oyster larvae caused by the pathogens Vibrio coralliilyticus and Vibrio tubiashii - (Peer Reviewed Journal)
Richards, G.P., Watson, M.A., Needleman, D.S., Church, K.M., Hase, C.C. 2014. Mortalities of eastern and pacific oyster larvae caused by the pathogens Vibrio coralliilyticus and Vibrio tubiashii. Applied and Environmental Microbiology. 81:292-297.
Bacteriophage remediation of bacterial pathogens in aquaculture: a review of the technology - (Literature Review)
Richards, G.P. 2014. Bacteriophage remediation of bacterial pathogens in aquaculture: a review of the technology. Bacteriophage. doi:10.4161/21597081.2014.975540.
Complete genome sequence for the shellfish pathogen Vibrio coralliilyticus RE98 isolated from a shellfish hatchery - (Peer Reviewed Journal)
Richards, G.P., Bono, J.L., Watson, M.A., Needleman, D.S. 2014. Complete genome sequence for the shellfish pathogen Vibrio coralliilyticus RE98 isolated from a shellfish hatchery. Genome Announcements. DOI:10.1128/genomeA.01253-14.
Development of a two-step, non-probed multiplex real-time PCR for surveilling Vibrio anguillarum in seawater - (Peer Reviewed Journal)
Hickey, M.E., Richards, G.P., Lee, J. 2014. Development of a two-step, non-probed multiplex real-time PCR for surveilling Vibrio anguillarum in seawater. Journal of Fish Diseases. 38:551-559.
Potential for bio-control of food-borne pathogens with Bacteriovorax spp. and implications for food safety - (Abstract Only)
Olanya, O.M., Richards, G.P. 2014. Potential for bio-control of food-borne pathogens with Bacteriovorax spp. and implications for food safety. Meeting Abstract. Proceedings of the 3rd International Conference and Exhibition on Food Processing and Technology. Las Vegas, Nevada. 2014. Volume 5: Page 47.
Enteric virus and vibrio contamination of shellfish: intervention strategies - (Proceedings)
Richards, G.P. 2013. Enteric virus and vibrio contamination of shellfish: intervention strategies. Symposium Proceedings. In: Proceedings of the Korean Society of Food Science and Nutrition.Food Safety for the Food Industry, Gwangju, South Kore, November 13-15,2013.pp.57-58
Loss of sigma factor RpoN increases intestinal colonization of vibrio parahaemolyticus in an adult mouse model" - (Peer Reviewed Journal)
Whitaker, W., Richards, G.P., Boyd, E. 2014. Loss of sigma factor RpoN increases intestinal colonization of vibrio parahaemolyticus in an adult mouse model". Infection and Immunity. 82:544-556.
Natural modulators of Vibrios in seawater and shellfish - (Abstract Only)
A SIMPLE FLUOROGENIC METHOD TO ASSESS VIBRIO CHOLERAE AND AEROMONAS HYDROPHILA IN WELL WATER - (Peer Reviewed Journal)
Richards, G.P., Watson, M.A. 2006. A simple fluorogenic method to assess vibrio cholerae and aeromonas hydrophila in well water. American Journal of Tropical Medicine and Hygiene. 65(3):516-521
DETECTION AND IDENTIFICATION OF FOODBORNE PATHOGENS TO GENUS AND SPECIES LEVELS USING A NONINVASIVE MODIFIED LIGHT SCATTEROMETER - BARDOT - (Abstract Only)
Huff, K.R., Banada, P.P., Bae, E., Bayraktar, B., Rajwa, B., Robinson, J.P., Hirleman, E.D., Richards, G.P., Bhunia, A.K. 2006. Detection and identification of foodborne pathogens to genus and species levels using a noninvasive modified light scatterometer - bardot. American Society for Microbiology. P-075.
SPECIFICITY OF A VIBRIO VULNIFICUS AMINOPEPTIDASE TOWARD KININS AND OTHER PEPTIDYL SUBSTRATES - (Peer Reviewed Journal)
Richards, G.P., Nunez, A. 2006. Specificity of a vibrio vulnificus aminopeptidase toward kinins and other peptidyl substrates. Journal of Bacteriology. Mar. 2006. p. 2056-2062.
SHELLFISH-ASSOCIATED VIRAL DISEASE OUTBREAKS - (Book / Chapter)
Richards, G.P. 2006. Shellfish-associated viral disease outbreaks. Book Chapter. In Viruses in Foods, (S.M. Goyal, Editor), Springer, New York. pp. 223-238.
THE COLONY OVERLAY PROCEDURE FOR PEPTIDASES TO DETECT AND ENUMERATE TOTAL VIBRIONACEAE IN MOLLUSCAN SHELLFISH AND THEIR GROWING WATERS - (Abstract Only)
Richards, G.P. 2005. The colony overlay procedure for peptidases to detect and enumerate total Vibrionaceae in molluscan shellfish and their growing waters. First Interstate Shellfish Safety Conference/International Conference on Molluscan Shellfish Safety Joint Workshop and Integration of Science into Policy: Special Emphasis on Vibrios and Viruses Abstract p.33.
A NOVEL, ENZYME-BASED ASSAY FOR THE RAPID AND SIMPLE DETECTION OF VIBRIOS IN SHELLFISH AND SEAWATER - (Other)
Richards, G.P., Bushek, D. 2005. A novel, enzyme-based assay for the rapid and simple detection of vibrios in shellfish and seawater. International Association for Food Protection. Abstract P4-27. p. 130.
DIVERSITY AND SEASONALITY OF THE VIBRIONACEAE IN OYSTERS (CRASSOSTREA VIRGINICA)AND SEAWATER IN DELAWARE BAY - (Abstract Only)
Richards, G.P., Burt, I.G., David, B. 2005. Diversity and seasonality of the vibrionaceae in oysters (crassostrea virginica)and seawater in delaware bay. (Abstract). National Shellfisheries Association. Pg. 46.
DEVELOPMENT OF A SIMPLE AND RAPID FLUOROGENIC PROCEDURE FOR THE IDENTIFICATION OF VIBRIONACEAE FAMILY MEMBERS - (Peer Reviewed Journal)
Richards, G.P., Watson, M.A., Parveen, S.A. 2005. Development of a simple and rapid fluorogenic procedure for the identification of vibrionaceae family members. Applied and Environmental Microbiology. 71:3524-3527.
A SURVEY FOR PHOSPHOGLUCOSE ISOMERASE WITH LYSYL AMINOPEPTIDASE ACTIVITY IN VIBRIONACEAE AND NON-VIBRIO PATHOGENS - (Peer Reviewed Journal)
Richards, G.P., Parveen, S.A. 2005. A survey for phosphoglucose isomerase with lysyl aminopeptidase activity in vibrionaceae and non-vibrio pathogens. Biochimica et Biophysica Acta. 1748:128-133.
MOLECULAR METHODS TO DETECT ENTERIC VIRUSES IN MOLLUSCAN SHELLFISH - (Proceedings)
Richards, G.P. 2004. Molecular methods to detect enteric viruses in molluscan shellfish. Proceedings of Molecular Methods to detect enteric viruses in molluscan shellfish. p.43-49.
DETECTION OF VIBRIOS IN OYSTERS CRASSOSTRTEA VIRGINICA AND SEAWATER USING A NEW, RAPID, SIMPLE, AND QUANTITATIVE ENZYME-BASED ASSAY - (Abstract Only)
Richards, G.P., Watson, M.A., Burt, I.G., Bushek, D. 2005. Detection of vibrios in oysters crassostrtea virginica and seawater using a new, rapid, simple, and quantitative enzyme-based assay. (Abstract). Aquaculture America. Paper # 8128.
STRUCTURAL AND FUNCTIONAL ANALYSES OF PHOSPHOGLUCOSE ISOMERASE FROM VIBRIO VULNIFICUS AND ITS LYSYL AMINOPEPTIDASE ACTIVITY - (Peer Reviewed Journal)
Richards, G.P. 2004. Structural and functional analyses of phosphoglucose isomerase from Vibrio vulnificus and its lysyl aminopeptidase activity. Biochimica et Biophysica Acta. 1702:89-102.
GENOGROUP I AND II NOROVIRUSES DETECTED IN STOOL BY REAL-TIME REVERSE TRANSCRIPTION-PCR USING HIGHLY DEGENERATE, "UNIVERSAL" PRIMERS - (Peer Reviewed Journal)
Richards, G.P., Watson, M.A., Frankhauser, R.L., Monroe, S.S. 2004. Genogroup I and II noroviruses detected in stool by real-time reverse transcription-PCR using highly degenerate, "universal" primers. Applied and Environmental Microbiology. Vol.70. No.12.
CHARACTERIZATION OF A LYSYL AMINOPEPTIDASE ACTIVITY ASSOCIATED WITH PHOSPHOGLUCOSE ISOMERASE OF VIBRIO VULNIFICUS - (Peer Reviewed Journal)
Richards, G.P. 2004. Characterization of a lysyl aminopeptidase activity associated with phosphoglucose isomerase of vibrio vulnificus. Biochimica et Biophysica Acta. V.1700, 2. 219-229.
MOLECULAR METHODS TO DETECT ENTERIC VIRUSES IN MOLLUSCAN SHELLFISH - (Proceedings)
Richards, G.P. 2004. Molecular methods to detect enteric viruses in molluscan shellfish. Meeting Abstract.
FOOD- AND WATER-BORNE ENTERIC VIRUSES - (Book / Chapter)
Richards, G.P. 2005. Food- and water-borne enteric viruses. Foodborne Pathogens Microbial and Mol. Biology. (P.M. Frtamico, A.K. Bhumia, J.L. Smith) Caister Academic Press. Book Chapter. pg. 121-143
INACTIVATION OF ENTERIC VIRUSES WITH INTERVENTION TECHNOLOGIES - (Abstract Only)
Richards, G.P. 2004. Inactivation of enteric viruses with intervention technologies. (Abstract). World Aquaculture Society. p. 499.
INACTIVATION OF ENTERIC VIRUSES WITH INTERVENTION TECHNOLOGIES - (Abstract Only)
Richards, G.P. 2003. Inactivation of enteric viruses with intervention technologies. (Abstract). International Association of Food Protection. p. 188.
PERSISTENCE OF HEPATITIS A VIRUS WITHIN OYSTERS - (Peer Reviewed Journal)
KINGSLEY, D.H., RICHARDS, G.P. PERSISTENCE OF HEPATITIS A VIRUS WITHIN OYSTERS. JOURNAL OF FOOD PROTECTION. 2003. Vol. 66 (2) p. 331-334
GLANDULAR KALLIKREINS IN THE TELEOST CYPRINUS CARPIO: TISSUE DISTRIBUTION,POSSIBLE INVOLVEMENT IN PROLACTIN PROCESSING AND EFFECT OF 17 B-ESTRADIOL IN VIVO - (Peer Reviewed Journal)
DETECTION OF BOTH HEPATITIS A VIRUS AND NORWALK-LIKE VIRUS IN IMPORTED CLAMS ASSOCIATED WITH FOOD-BORNE ILLNESS - (Peer Reviewed Journal)
INACTIVATION OF HEPATITIS A AND A CALICIVIRUS BY HIGH HYDROSTATIC PRESSURE - (Peer Reviewed Journal)
THE EVOLUTION OF MOLLUSCAN SHELLFISH SAFETY - (Proceedings)
RICHARDS, G.P. THE EVOLUTION OF MOLLUSCAN SHELLFISH SAFETY. MEETING ABSTRACT. 2002. p.78
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