Publications

Hull RW, Hammer BK & Leavey JK. 2024. Improving Understanding of the Role of Biology in Advancing the UN Sustainable Development Goals. The American Biology Teacher.

Pokhrel AR, Steinbach G, Krueger A, Day TC, Tijani J, Bravo P, Ng SL, Hammer BK & Yunker PJ. 2024. The biophysical basis of bacterial colony growth. Nature Physics 10.1038.

Zhang C, Datta S, Ratcliff, WC & Hammer BK. 2024. Constitutive expression of the Type VI secretion system carries no measurable fitness cost in Vibrio cholerae. Ecol Evol. 14:e11081.

Zhang C & Hammer BK. 2023. Sociomicrobiology: Coexistence of conflict and cooperation in the squid light organ. Curr Biol R1063-R1064.

MacGillivray KA, Ng SL, Wiesenfeld S, Guest RL, Jubery T, Silhavy TJ, Ratcliff WC & Hammer BK. 2023. Trade-offs constrain adaptive pathways to Type VI secretion survival. iScience 26, 108332.

Bravo P, Ng SL, MacGillivray KA, Hammer BK & Yunker PY. 2023. Vertical growth dynamics of biofilms. Proc Natl Acad Sci USA 120 (11) e2214211120.

Sela R, Hammer BK & Halpern M. 2023. Can non-toxigenic Vibrio cholerae reduce a cholera infection? Isr J Chem. 2023, 63, e202300024.

Ng SL, Kammann S, Steinbach G, Hoffmann T, Yunker PJ & Hammer BH. 2022. Evolution of a cis-acting SNP that controls Type VI Secretion in Vibrio cholerae. mBio 3:e00422-22.

Crisan CV, Chandrashekar H, Everly C, Steinbach G, Hill SE, Yunker PJ, Lieberman RR & Hammer BK. 2021. A New Contact Killing Toxin Permeabilizes Cells and Belongs to a Broadly Distributed Protein Family. mSphere 6:e00318-21.

Crisan CV, Nichols H, Wiesenfeld S, Steinbach G, Yunker PY & Hammer BK. 2021. Glucose promotes resistance of human commensal Escherichia coli against contact-killing by pandemic Vibrio cholerae. Sci Rep 11:2935.

Steinbach G, Crisan C, Ng SL, Hammer BK & Yunker PJ. 2020. Accumulation of dead cells from contact killing facilitates coexistence in bacterial biofilms. J R Soc Interface 17:20200486. 

Sela R, Hammer BK & Halpern M. 2020. Quorum-sensing signaling by chironomid egg masses’ microbiota affects haemagglutinin protease (HAP) production by Vibrio cholerae. Molec Ecol 00:1-11. 

Crisan CV & Hammer BK. 2020. The Vibrio cholerae type VI secretion system: toxins, regulators and consequences. Environ Microbiol 22:4112-2122. 

Crisan CV, Chande A, Williams K, Raghuram V, Rishishwar L, Steinbach G, Watve SS, Yunker PJ, Jordan IK & Hammer BK. 2019. Analysis of Vibrio cholerae genomes identifies new Type VI Secretion System gene clusters. Genome Biol 20:163. 

Brown SP, Blackwell HE & Hammer BK. 2018. The state of the union is strong: A review A review of ASM’s 6th conference on Cell-cell Communication in Bacteria. J Bacteriol 200:e00291-18. 

Hammer BK. 2018. Michele Swanson: a career and life in balance. In Women in Microbiology (ASM press).p. 269-281.

Logan SL, Thomas J, Yan J, Baker RP, Shields DS, Xavier JB, Hammer BK & Parthasarathy R. 2018. The Vibrio cholerae type VI secretion system can modulate host intestinal mechanics to displace gut microbial symbionts. Proc Natl Acad Sci USA 115:E3779-3787. 

Kalziqi A, Thomas J, Yanni D, Hammer BK & Yunker P. 2018. Observation of a Fluctuation-Response Relationship from Death and Reproduction in Bacterial Biofilms. Phys Rev Lett 0031-9007/18/120(1/018101(6)

Krishnaswamy B, Jian Y, Austin CM, Perdomo JE, Patel SC, Hammer BK, Forest CR, & Sivakumar R. 2017. ADMA: Amplitude-Division Multiple Access for Bacterial Communication Networks. IEEE Transactions in Molecular, Biological, and Multi-Scale Communications 3(3):134-149

Austin CM, Caro DM, Sankar S, Penniman WF, Perdomo JE, Hu L, Patel S, Gu X, Watve S, Hammer BK, and Forest CR. 2017. Porous monolith microfluidics for bacterial cell-to-cell communication assays. Biomicrofluidics 11:044110.

Thomas J, Watve SS, Ratcliff WC & Hammer BK. 2017. Horizontal gene transfer of functional Type VI killing genes by natural transformartion. mBio 8:e00654-17.

McNally L, Bernardy EE, Thomas J, Kalziqi A, Pentz J, Brown SP, Hammer BK, Yunker PJ & Ratcliff WC. 2017. Killing by Type VI secretion drives genetic phase separation and correlates with increased cooperation. Nature Commun 8:14371.

Watve SS, Chande AT, Rishishwar L, Mariño-Ramírez L, Jordan IK, Hammer BK. 2016. Whole-Genome Sequences of 26 Vibrio cholerae Isolates. Genome Announc 4(6) e01396-16.

Bernardy EE, Turnsek MA, Wilson SK, Tarr CL, Hammer BK. 2016. Diversity of Clinical and Environmental Isolates of Vibrio cholerae in Natural Transformation and Contact-Dependent Bacterial Killing Indicative of Type VI Secretion System Activity. Appl Environ Microbiol 82(9):2833-2842.

Watve S, Thomas J & Hammer BK. 2015. Watve SS, Thomas J, Hammer BK.2015. CytR Is a Global Positive Regulator of Competence, Type VI Secretion, and Chitinases in Vibrio cholerae. PLoS ONE 10(9):e0138834.

Antonova ES, Hammer BK. 2015 Genetics of Natural Competence in Vibrio cholerae and other Vibrios. Microbiol Spectrum 3(3):VE-0010-2014.

Watve S, Bernardy EE & Hammer BK. 2014. Vibrio cholerae: Measuring natural transformation frequency. Curr. Protoc. Microbiol. 35:6A.4.1-6A.4.12.

Austin CM, Stoy W, Su P, Harber MC, Bardill JP, Hammer BK, Forest CR. 2014. Modeling and validation of autoinducer-mediated bacterial gene expression in microfluidic environments. Biomicrofluidics 8:034116.

Krishnaswamy B, Henegar CM, Bardill JP, Russakow D, Holst GL, Hammer BK, Forest CR, Sivakumar R. 2013. Time-elapse communication: bacterial communication on a microfluidic chip. Institute of Electrical and Electronics Engineers (IEEE) Transactions on Communications 61(12):5139-5151.

Li K, Zhao X, Hammer BK , S Du & Chen Y. 2013. Nanoparticles Inhibit DNA Replication by Binding onto DNA: Modeling and Experimental Validation. ACS Nano 7(11):9667-9674.

Zhao X, Koestler BJ, Waters CM & Hammer BK. 2013 Post-transcriptional activation of a diguanylate cyclase by quorum sensing small RNAs promotes biofilm formation in Vibrio cholerae. Mol Microbiol. 89(5): 989–1002.

Sun YU, Bernardy EE, Hammer BK & Miyashiro TI. 2013. Competence and Natural Transformation in Vibrios. Mol Microbiol. 89(4):583–595.

Katz LS, Petkau A, Beaulaurier J, Tyler S, Antonova ES, Turnsek M, Guo Y, Wang S, Paxinos E, Orata F, Gladney L, Stroika S, Folster J, Rowe L, Freeman M, Knox N, Frace M, Boncy J, Hammer BK, Boucher Y, Bashir A, Hanage WP, Van Domselaar G & Tarr CL. 2013. Evolutionary dynamics of Vibrio cholerae following a single source introduction to Haiti. mBio. 4(4):1-10.

Krishnaswamy B , Henegar CM, Bardill JP, Russakow D, Holst GL, Hammer BK, Forest CR & Sivakumar R. 2013. When Bacteria Talk: Time Elapse Communication for Super-Slow Networks, Proceedings of the Institute of Electrical and Electronics Engineers (IEEE) International Conference on Communications (ICC) 2013 – Wireless Networking Symposium (ICC’13 WN), Budapest, Hungary.

Akyildiz IF, Fekri F, Sivakumar R, Forest, CR & Hammer BK. 2012. MoNaCo: Fundamentals of Molecular Nano-Communication Networks. IEEE Wireless Commun. 19(5): 12-18.

Antonova ES, Bernardy ES & Hammer BK. 2012. Natural competence in Vibrio cholerae is controlled by a nucleoside scavenging response that requires CytR-dependent anti-activation. Mol Microbiol 86(5):1215-1231.

Bardill JP & Hammer BK. 2012. Non-coding sRNAs regulate virulence in the bacterial pathogen Vibrio cholerae. RNA Biol 9(4):392-401.

Antonova ES & Hammer BK. 2011. Quorum sensing autoinducer molecules produced by members of a multi-species biofilm promote horizontal gene transfer to Vibrio cholerae. FEMS Micro Lett 322:68-76.

Bardill JP, Zhao X & Hammer BK. 2011. The Vibrio cholerae quorum sensing response is mediated by Hfq-dependent sRNA/mRNA base pairing interactions. Mol Microbiol 80:1381-1394.

Hammer BK & SL Svenningsen, 2011. Small RNA target genes and regulatory connections in the Vibrio cholerae quorum sensing system. Methods Mol Biol 692:189-206.

Hammer BK, and Bassler BL, 2009. Distinct Sensory Pathways in Vibrio cholerae El Tor and Classical Biotypes Modulate Cyclic Dimeric GMP Levels To Control Biofilm Formation. J Bacteriol 191:169-177.

Hammer BK and Bassler BL, 2008. Signal integration in the Vibrio harveyi and Vibrio cholerae quorum sensing circuits. In: Chemical Communication Among Microbes. ASM Press. 323-332.

Hammer BK and Bassler BL. 2007. Regulatory small RNAs circumvent the conventional quorum sensing pathway in pandemic Vibrio cholerae. Proc. Natl. Acad. Sci. USA. 104:11145-11149.

Hammer BK & Bassler BL. 2003. Quorum sensing controls biofilm formation in Vibrio cholerae. Mol. Microbiol. 50:101-114.

Hammer BK, Tateda ES & Swanson MS. 2002. A two-component regulator induces the transmission phenotype of stationary phase Legionella pneumophila. Mol. Microbiol. 44:107-118.

Swanson MS & Hammer BK. 2000. Legionella pneumophila pathogenesis: A fateful journey from amoebae to macrophages. Ann. Rev. Microbiol. 54:567-613.

Hammer BK & Swanson MS. 1999. Coordination of Legionella pneumophila virulence with entry into stationary phase by ppGpp. Mol. Microbiol. 33:721-731.

Hammer BK & Stoermer EF. 1997. Diatom-based interpretation of sediment banding in an urbanized lake. J. Paleolimnol. 17:437-449.

Nelson D, Kuppermann N, Fleisher GR, Hammer BK, Thompson CM, Garcia CT, Novitsky TJ, Parsonnet J, Onderdonk A, Siber GR, & Saladino, RA. 1995. Recombinant endotoxin neutralizing protein improves survival from Escherichia coli sepsis in rats. Crit. Care Med. 23:92-98.

Saladino R, Garcia C, Thompson C, Hammer B, Parsonnet J, Novitsky T, Siber G & G Fleisher. 1994. Efficacy of a recombinant endotoxin neutralizing protein in rabbits with Escherichia coli sepsis. Circ. Shock 42:104-110.

Garcia C, Saladino R, Thompson C, Hammer B, Parsonnet J, Wainwright N, Novitsky T, Fleisher GR, & G Siber. 1994 Effect of a recombinant endotoxin-neutralizing protein on endotoxin-shock in rabbits. Crit. Care Med. 22:1211-1218.

Brian Hammer’s CV

Google Scholar Citations

Orcid Citations