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Scientific Peer Reviewed Publications

58.  Henry Williams, Despoina Lymperopoulou, Rana Athar, Ashvini Chauhan, Tamar Dickerson, Huan Chen, Edward Laws, Timkhite-Kulu Berhane, Adrienne Flowers,    Nadine Bradley, Shanterial Young, Denene Blackwood, Jacqueline Murray, Oladipupo Mustapha, Cory Blackwell, Yahsuan Tung, and Rachel Noble. 2016. Halobacteriovorax, an underestimated predator on bacteria: potential impact relative to viruses on bacterial mortality. Internat Soc Microbial Ecol J: 1-9. 1751-7362/15

57.  Huan Chen, Lauren M. Brinkac, Pamela Mishra, Nan Li, Despoina S. Lymperopoulou, Tamar Dickerson , Nadine Gordon-Bradley,  Henry N. Williams, Jonathan H. Badger. 2015. Draft genome sequences for the obligate bacterial predators Bacteriovorax spp. of four phylogenetic clusters. Standards in Genomic Sciences 10:11. doi:10.1186/1944-3277-10-11.

56.  Li N, Chen H, Williams HN. 2015.  Genome-wide comparative analysis of ABC systems in the Bdellovibrio-and-like organisms. Gene 562:132-7. doi: 10.1016/j.gene.2015.02.062.

55.  Nan Li and H.N. Williams. 2015. 454 Pyrosequencing reveals diversity of Bdellovibrio and like organisms in fresh and salt water, Antonie van Leeuwenhoek. 107:305-311. DOI10.1007/s10482-014-0327-9.

54.  Koval, S. F., Williams, H. N., & Stine, O. C. 2015. Reclassification of Bacteriovorax marinus as Halobacteriovorax marinus gen. nov., comb. nov. and Bacteriovorax litoralis as Halobacteriovorax litoralis comb. nov.; description of Halobacteriovoraceae fam. nov. in the class Deltaproteobacteria.International Int. J of Syst Evol Microbiol 65:593-597 DOI 10.1099/ijs.0.070201-0.

53.  Gordon-Bradley, N., N. Li and H.N. Williams. 2015. Bacterial Community Structure in Freshwater Springs Invested with the Invasive Plant Species Hydrilla verticillata. 742: 221-232.

52.  Pineiro, S. (and 11 co-authors including T. Dickerson, H. Chen, T.K. Berhane) ; H.N. Williams, corresponding author) 2013. Niche Partition of Bacteriovorax Operational Taxonomic Units Along Salinity and Temporal Gradients in the Chesapeake Bay Reveals Distinct Estuarine Strains. Microb Ecol 65:652-660. DOI: 10.1007/s00248-013-0186-3

51.  Gordon-Bradley, Nadine, Despoina S. Lymperopoulou and Henry Neal Williams.  2014. Differences in Bacterial Community Structure on Hydrilla verticillata and Vallisneria americana in a Freshwater Spring. Microbes Environ: 29: 67-73.

50.  Dickerson TL and Williams HN. (2014) Functional Diversity of Bacterioplankton in Three North Florida Freshwater Lakes over an Annual Cycle. Microbial Ecol: 67: 34-44. doi: 10.1007/s00248-013-0304-2)

49.  Williams, H. N. 2013. Bdellovibrio’s Appetite for Metabolites. In Small Things Considered- The Microbe Blog- Elio Schaechter and Associates.

48.  Chen H, and H. N. Williams. (2012). Co-infection of a bacterium by a virus and a predator establishes a new predation paradigm. mBio 3: (2) e00051-12 doi: 10.1128/mBio.00051-12.

47.  Crossman LC, Chen H, Cerdeno-Tarraga, A, Brooks K, Quail MA, Pineiro SA, Johnson CM, Hobley L, Sockett E., Bentley SD, Parkhill J, H. N. Williams and Stine C. (2012). A small core predatory genome in the divergent marine Bacteriovorax marinus SJ and the terrestrial Bdellovibrio bacteriovorus. International Society for Microbial Ecology doi: 10.1038/ismej.2012.90.

46.  Chen H,  and H. N. Williams. 2012.  Predatory Bacteriovorax Communities Ordered by Various Prey Species. PLoS ONE 7(3): e34174. doi:10.1371/journal.pone.0034174

45.  Chen H, Athar R, Zheng G, and  H. N. Williams. 2011. Prey bacteria shape the community structure of their predator. International Society for Microbial Ecology. 5:1314-1322.

44.  Chauhan, A., Jennifer Cherrier and H. N. Williams. 2009. Impact of Sideways and Bottom up Control Factors on Bacterial Community Succession over a Tidal Cycle. Proc. Natl. Acad. Sci. USA. 106: 4301-4306.

43.  Chauhan, A., Gamola Z. Fortenberry, Dawn E. Lewis and H. N. Williams. 2009. Increased Diversity of Predacious Bdellovibrio- and like Organisms as a Function of Eutrophication in Kumaon Lakes of India. Current Microbiology: 59:1-8.

42.  Williams, H. N., Been-Foo Turng and Jacqueline I. Kelley. 2009. Survival Response of Bacteriovorax in Surface Biofilm Versus Suspension when Stressed by Extremes in Environmental Conditions. Microb Ecol  58: 474-484. doi: 10.1007/s00248-009-9499-7.

41.  Pineiro, Silvia A., H. N. Williams and O. Colin Stine. 2008. Phylogenetic relationships amongst  the saltwater members of the genus Bacteriovorax using rpoB sequences and reclassification of Bacteriovorax stolpii as Bacteriolyticum stolpii gen. nov., comb. nov., Internat J System and Evol Microbiol 58: 1203-1209.

40.  Chauhan, A., and H. N. Williams. 2007. Biostimulation of Estuarine Microbial Community on Substrate Coated Agar Slides: A Novel Approach to Study the Phylogeny of Bdellovibrio-and Like Organisms. Microbial Ecology55:640–650. DOI 10.1007/s00248-007-9307-1.

39.  Silvia A. Pineiro, Stine O.C., Chauhan A., Steyert S.R., Smith R., and H. N. Williams 2007. A  global survey of diversity among environmental salt water Bacteriovoracaceae. Environ. Microbiol. 9(10): 2441-2450.

38.  Chauhan, A. and H. N. Williams. 2006. Response of Bdellovibrio and Like Organisms (BALOs) to the Migration of Naturally Occurring Bacteria Chemoattractants. Curr. Microbiology: 53:516-522.

37.  Smith, R. S., S. A. Pineiro, R. Singh, E. Romberg, M. E. Labib and H. N. Williams. 2004. Discrepancies in Bacterial Recovery from Dental Unit Water Samples on R2A  Medium and a Commercial Sampling Device. Curr. Microbiol. 48: 243-246.

36.  Pineiro, S. A., G. E. Sahaniuk, E. Romberg and H. N. Williams. 2004. Predation Pattern and Phylogenetic Analysis of Bdellovibrionaceae from the Great Salt Lake, Utah. Curr  Microbiol. 48: 133-117.

35.  Baer, M. L., J. Ravel, S. A. Pineiro, D. Guether-Borg and H. N. Williams. 2004.  A proposal for two new species, Bacteriovorax marinus sp. nov. and Bacteriovorax litoralis sp. nov. Internat J Syst Evol Microbiology 54: 1011-1016.

34.  Singh, R., O. Colin Stine, David L. Smith, Jack K. Spitznagel, Mohamed Labib and H.N. Williams. 2003. Microbial diversity of biofilms in dental unit water systems. Appl. Environ. Microbiol: 69:3412-3420.

33.  Williams, H. N., R. Singh and E. Romberg. 2003. Surface contamination in the dental operatory: A comparison over two decades. J. Amer. Dent. Assoc. 134: 325-330.

32.  Stine, O.C., A. Carnahan, R. Singh, J. Powell, J.P. Furuno, A. Dorsey, E. Silbergeld, H. N. Williams and J.G. Morris 2003. Characterization of microbial communities from coastal waters using microarrays. Environ. Monit. Assess. 81:327-336.

31.  Snyder, A., H. N. Williams, M.L. Baer, K.E. Walker and O.C. Stine. 2002. 16S rDNA Sequence analysis of environmental Bdellovibrio and like-organisms (BALO). Inter. J. Syst. Envol. International journal of systematic and evolutionary microbiology 52, 2089-2094.

30.  Baer. M., J. Ravel, J. Chun, R. Hill and H. Williams. 2000.  A proposaal for the re-classification of  Bdellovibrio stolpii and of Bdellovibrio starrii into a new genus, Bacteriovorax gen. nov. as Bacteriovorax stolpii comb. nov. and Bacteriovorax starrii comb. nov., respectively. Intl. J. Sys. and Evol. Microbiol. 50: 219-224.

29.  Rice, T., B. Turng and H. N. Williams.  1998.  Susceptibility of bacteria in estuarine environments to autochthonous bdellovibrios. Microb. Ecol. 35:256-264.

28.  Kelley, J. I., B. Turng, H. N. Williams and M. L. Baer.  1997.  Effects of temperature, salinity and substrate on the colonization of surfaces in situ by aquatic bdellovibrios.  Appl. Environ. Microbiol. 63: 84-90.

27.  Williams, H. N., Puszko-Kolva, M. Shahmat, C. Palmer, C. Pettis, J. Kelley.  1996.  Molecular techniques reveal high prevalance of Legionella in dental units.  J.A.D.A. 127:1188-1193.

26.  Schoeffield, A. J., H. N. Williams, B. Turng and W. A. Falkler, Jr.  1996.  A comparison of the survival of intraperiplasmic and attack phase bdellovibrios to reduced oxygen.  Microb. Ecol. 32:35-46.

25.  Williams, H. N., J. I. Kelley, M. L. Baer and B. Turng.  1995.  The association of bdellovibrios with surfaces in the aquatic environment.  Can. J. Microbiol. 41:1142-1147.

24.  Williams, H. N., M. L. Baer and J. I. Kelley.  1995.  Contribution of biofilm bacteria to the contamination of the dental unit water supply.  J.A.D.A.  126:1255-1260.

23.  Tall, B. D., H. N. Williams, K. S. George, R. T. Gray and M. Walch.  1995.  Bacterial succession within a biofilm in water supply lines of dental air-water syringes.  Can. J. Microbiol. 41:647-654.

22.  Williams, H. N., J. I. Kelley, M. L. Baer, T. Spruill, B. Mitchell and J. F. Hasler. 1995.  Bacterial contamination of the water supply in newly installed dental units.  Quint.Internat. 26:331-337.

21.  Williams, H. N., A. Schoeffield, D. Guether, J. Kelley, D. Desai and W. A. Falkler, Jr.  1995. Recovery of bdellovibrios from submerged surfaces and other aquatic habitats.  Microb. Ecol. 29:39-48.

20.  Williams, H. N. and A. M. Brockington.  1995. Quantitation of bacteria in water delivered by dental units as determined by plate count and direct count methods.  Quint. Internat.  26:31-36.

19.  Williams, H. N., J. Kelley, M. Baer, J. Sibiskis, G. Williams and C. E. Hawley.  1994.  Assesing microbial contamination in clean water dental units and compliance with disinfection protocol.  J.A.D.A. 125:1205-1211.

18.  Williams, H. N., H. Quinby and E. Romberg.  1994.  Evaluation and use of a low nutrient medium and reduced incubation temperature to study bacterial contamination in the water supply of dental units.  Can. J. Microbiol 40:127-131

17.  Kelley, J. and H. N. Williams.  1992.  Bdellovibrios in Callinectus sapidus, the blue crab.  Appl. Environ. Microbiol.  58:1408-1410.

16.  Schoeffield, A. J., W. A. Falkler, Jr., D. Desai and H. N. Williams.  1991.  Serogrouping of halophilic bdellovibrios from Chesapeake Bay and environs by immunodiffusion and immunoelectrophoresis.  Appl. Environ. Microbiol. 57:3470-3475.

15.  Gerhardt, D. E. and H. N. Williams.  1991.  Factors affecting the stability of sodium hypochlorite solutions used to disinfect dental impressions.  Quint. Internat. 22:587-591.

14.  Schoeffield, A. J. and H. N. Williams.  1990.  Efficiencies of recovery of bdellovibrios from brackish-water environments by using various bacterial species as prey.  Appl. Environ. Microbiol. 56:230-236.

13.  Williams, H. N.  1988.  A study of the occurrence and distribution of bdellovibrios in estuarine sediment over an annual cycle.  Microb. Ecol. 15:9-20.

12.  Williams, H. N.  1987.  The recovery of bdellovibrios from the water-surface microlayer.  Can. J. Microbiol. 33:372-375.

11.  Williams, H. N., S. Toon, E. Faulk and W. A. Falkler, Jr.  1987.  The study of bdellovibrios in an artificial environment: The National Aquarium in Baltimore.  Can. J. Microbiol. 33:483-488.

10.  Parker, E. and H. N. Williams.  1987.  Cross-infection and cross-contamination: The relationship between subungual bacteria and fingernail length.  Dent. Hyg. 61:68-72.

9.  Williams, H. N., W. A. Falkler, Jr., J. F. Hasler and A. Smith.  1986.  The isolation of fungi from dental laboratory pumice.  J. Prost. Dent. 56:737-740.

8.  Williams, H. N., W. A. Falkler, Jr., J. F. Hasler and E. Romberg.  1986.  Die bakterielle kontamination von bimsstein im zahntechnischen labor.  Die Quintessenze der Zahntechnik 10:1089-1095.

7.  Williams, H. N., W. A. Falkler, Jr., J. F. Hasler and E. Romberg.  1986.  Persistence of contaminant bacteria in dental laboratory pumice.  Quint. Dent. Tech. 10:385-388.

6.  Williams, H. N., W. A. Falkler, Jr., J. F. Hasler and J. P. Libonati.  1985.  The recovery and significance of non-oral opportunistic pathogenic bacteria in dental laboratory pumice.  J. Prosthet. Dent. 54:725-730.
5.  Williams, H. N. and W. A. Falkler.  1984.  Distribution of bdellovibrios in the water column of an estuary.  Can. J. Microbiol. 30:971-974.

4.  Williams, H. N., W. A. Falkler and J. F. Hasler.  1983.  Acinetobacter contamination of laboratory dental pumice.  J. Dent. Res. 62:1073-1075.

3.  Williams, H. N., W. A. Falkler and D. E. Shay.  1982.  Seasonal distribution of bdellovibrios at the mouth of the Patuxent River in the Chesapeake Bay.  Can. J. Microbiol. 28:111-116.

2.  Williams, H. N., W. A. Falkler, Jr. and D. E. Shay.  1980.  Incidence of marine bdellovibrios lytic against Vibrio parahamolyticus in Chesapeake Bay.  Appl. Environ. Microbiol. 40:970-972.

1.  Williams, H. N., D. E. Shay and J. F. Hasler.  1976.  Indications of the sanitation level in a  dental clinic.  The Journal of the Balto. Coll. Dent. Surg. 31:1.

Book Chapters

6.  Hou, A. and H.N. Williams. In J.T. Anderson and C.A. Davis (eds.), Methods for Sampling and Analyzing Wetland Soil Bacteria Community In Wetland Techniques: Volume 2: Organisms,DOI 10.1007/978-94-007-6931-1_2, © Springer Science+Business Media Dordrecht 2014.

5.  Williams, H. N. and S. Pineiro. 2006. Ecology of the Predatory Bdellovibrio and LikeOrganisms.  In: E. Jurkevitch (Ed.) Predatory Prokaryotes. Microbiol. Monogr (4), p 213. Springer-Verlag, Berlin Heidelberg.

4.  Baer, Marcie and H. N. Williams 2005.Vampirovibrio.  In Brenner, Krieg, Staley and Garrity (Editors), The Proteobacteria, Bergey's Manual of Systematic Bacteriology, 2nd Edition, Volume 2, p1057. Springer-Verlag, New York, NY.

3.  Baer, Marcie and H. N. Williams. 2005. Micavibrio.  In Brenner, Krieg, Staley and Garrity (Editors), The Proteobacteria, Bergey's Manual of Systematic Bacteriology, 2nd Edition, Volume 2, p1057. Springer-Verlag, New York, NY.

2.  Williams, H. N., Marcie L. Baer and John Tudor. 2005. Bdellovibrio. In Brenner, Krieg, Staley and Garrity (Editors), The Proteobacteria, Bergey's Manual of Systematic Bacteriology, 2nd Edition, Volume 2, p1041. Springer-Verlag, New York, NY.

1.  Williams, H. N. and Marcie L. Baer. 2005. Bacteriovorax. In Brenner, Krieg, Staley and Garrity (Editors), The Proteobacteria, Bergey's Manual of Systematic Bacteriology, 2nd Edition, Volume 2, p 1053. Springer-Verlag, New York, NY.

Other Publications

3.  Williams, H. N.  1985.  Political Science: Participating in the Federal Budget Process.  ASM News 51:517-519.

2.  Williams, H. N. and G. V. Stokes.  1984.  Black History Month: Profiles of Four ASM Members. ASM News 50:55-57.

1.  Mathias, Jr., C. M. (Williams, H. N., Ghost Writer for Senator Charles McC.Mathias, Jr.) 1983.  Introduction, p. XIX-XXIII, In H. H. Fudenberg (ed.), Biomedical Institutions, Biomedical Funding and Public Policy, Plenum, New York.