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Results: 1 to 20 of 86


rpoS-Regulated core genes involved in the competitive fitness of Salmonella enterica Serovar Kentucky in the intestines of chickens.

Cheng Y, Pedroso AA, Porwollik S, McClelland M, Lee MD, Kwan T, Zamperini K, Soni V, Sellers HS, Russell SM, Maurer JJ.

Appl Environ Microbiol. 2015 Jan;81(2):502-14. doi: 10.1128/AEM.03219-14. Epub 2014 Oct 31.


Genomic epidemiology of Salmonella enterica serotype Enteritidis based on population structure of prevalent lineages.

Deng X, Desai PT, den Bakker HC, Mikoleit M, Tolar B, Trees E, Hendriksen RS, Frye JG, Porwollik S, Weimer BC, Wiedmann M, Weinstock GM, Fields PI, McClelland M.

Emerg Infect Dis. 2014 Sep;20(9):1481-9. doi: 10.3201/eid2009.131095.


Defined single-gene and multi-gene deletion mutant collections in Salmonella enterica sv Typhimurium.

Porwollik S, Santiviago CA, Cheng P, Long F, Desai P, Fredlund J, Srikumar S, Silva CA, Chu W, Chen X, Canals R, Reynolds MM, Bogomolnaya L, Shields C, Cui P, Guo J, Zheng Y, Endicott-Yazdani T, Yang HJ, Maple A, Ragoza Y, Blondel CJ, Valenzuela C, Andrews-Polymenis H, McClelland M.

PLoS One. 2014 Jul 9;9(7):e99820. doi: 10.1371/journal.pone.0099820. eCollection 2014.


The small RNA RyhB homologs from Salmonella typhimurium participate in the response to S-nitrosoglutathione-induced stress.

Calderón PF, Morales EH, Acuña LG, Fuentes DN, Gil F, Porwollik S, McClelland M, Saavedra CP, Calderón IL.

Biochem Biophys Res Commun. 2014 Jul 18;450(1):641-5. doi: 10.1016/j.bbrc.2014.06.031. Epub 2014 Jun 14.


Identification of a Salmonella ancillary copper detoxification mechanism by a comparative analysis of the genome-wide transcriptional response to copper and zinc excess.

Pontel LB, Scampoli NL, Porwollik S, Checa SK, McClelland M, Soncini FC.

Microbiology. 2014 Aug;160(Pt 8):1659-69. doi: 10.1099/mic.0.080473-0. Epub 2014 May 23.


The 4-cysteine zinc-finger motif of the RNA polymerase regulator DksA serves as a thiol switch for sensing oxidative and nitrosative stress.

Henard CA, Tapscott T, Crawford MA, Husain M, Doulias PT, Porwollik S, Liu L, McClelland M, Ischiropoulos H, Vázquez-Torres A.

Mol Microbiol. 2014 Feb;91(4):790-804. doi: 10.1111/mmi.12498. Epub 2014 Jan 7.


Probing the ArcA regulon under aerobic/ROS conditions in Salmonella enterica serovar Typhimurium.

Morales EH, Collao B, Desai PT, Calderón IL, Gil F, Luraschi R, Porwollik S, McClelland M, Saavedra CP.

BMC Genomics. 2013 Sep 17;14:626. doi: 10.1186/1471-2164-14-626.


Novel determinants of intestinal colonization of Salmonella enterica serotype typhimurium identified in bovine enteric infection.

Elfenbein JR, Endicott-Yazdani T, Porwollik S, Bogomolnaya LM, Cheng P, Guo J, Zheng Y, Yang HJ, Talamantes M, Shields C, Maple A, Ragoza Y, DeAtley K, Tatsch T, Cui P, Andrews KD, McClelland M, Lawhon SD, Andrews-Polymenis H.

Infect Immun. 2013 Nov;81(11):4311-20. doi: 10.1128/IAI.00874-13. Epub 2013 Sep 9.


Use of a promiscuous, constitutively-active bacterial enhancer-binding protein to define the σ⁵⁴ (RpoN) regulon of Salmonella Typhimurium LT2.

Samuels DJ, Frye JG, Porwollik S, McClelland M, Mrázek J, Hoover TR, Karls AC.

BMC Genomics. 2013 Sep 5;14:602. doi: 10.1186/1471-2164-14-602.


Mapping and regulation of genes within Salmonella pathogenicity island 12 that contribute to in vivo fitness of Salmonella enterica Serovar Typhimurium.

Tomljenovic-Berube AM, Henriksbo B, Porwollik S, Cooper CA, Tuinema BR, McClelland M, Coombes BK.

Infect Immun. 2013 Jul;81(7):2394-404. doi: 10.1128/IAI.00067-13. Epub 2013 Apr 29.


A single step multiplex PCR for identification of six diarrheagenic E. coli pathotypes and Salmonella.

Chandra M, Cheng P, Rondeau G, Porwollik S, McClelland M.

Int J Med Microbiol. 2013 May;303(4):210-6. doi: 10.1016/j.ijmm.2013.02.013. Epub 2013 Mar 5.


Population structures in the SARA and SARB reference collections of Salmonella enterica according to MLST, MLEE and microarray hybridization.

Achtman M, Hale J, Murphy RA, Boyd EF, Porwollik S.

Infect Genet Evol. 2013 Jun;16:314-25. doi: 10.1016/j.meegid.2013.03.003. Epub 2013 Mar 16.


Virulence gene profiling and pathogenicity characterization of non-typhoidal Salmonella accounted for invasive disease in humans.

Suez J, Porwollik S, Dagan A, Marzel A, Schorr YI, Desai PT, Agmon V, McClelland M, Rahav G, Gal-Mor O.

PLoS One. 2013;8(3):e58449. doi: 10.1371/journal.pone.0058449. Epub 2013 Mar 7.


Evolutionary Genomics of Salmonella enterica Subspecies.

Desai PT, Porwollik S, Long F, Cheng P, Wollam A, Bhonagiri-Palsikar V, Hallsworth-Pepin K, Clifton SW, Weinstock GM, McClelland M.

MBio. 2013 Mar 5;4(2). pii: e00579-12. doi: 10.1128/mBio.00579-12. Erratum in: MBio. 2013;4(2):e00198-13. Bhonagiri-Palsikar, Veena [added]; Hallsworth-Pepin, Kymberlie [added].


L-asparaginase II produced by Salmonella typhimurium inhibits T cell responses and mediates virulence.

Kullas AL, McClelland M, Yang HJ, Tam JW, Torres A, Porwollik S, Mena P, McPhee JB, Bogomolnaya L, Andrews-Polymenis H, van der Velden AW.

Cell Host Microbe. 2012 Dec 13;12(6):791-8. doi: 10.1016/j.chom.2012.10.018.


Global transcriptional analysis of dehydrated Salmonella enterica serovar Typhimurium.

Gruzdev N, McClelland M, Porwollik S, Ofaim S, Pinto R, Saldinger-Sela S.

Appl Environ Microbiol. 2012 Nov;78(22):7866-75. doi: 10.1128/AEM.01822-12. Epub 2012 Aug 31.


The NsrR regulon in nitrosative stress resistance of Salmonella enterica serovar Typhimurium.

Karlinsey JE, Bang IS, Becker LA, Frawley ER, Porwollik S, Robbins HF, Thomas VC, Urbano R, McClelland M, Fang FC.

Mol Microbiol. 2012 Sep;85(6):1179-93. doi: 10.1111/j.1365-2958.2012.08167.x. Epub 2012 Jul 25.


High-throughput comparison of gene fitness among related bacteria.

Canals R, Xia XQ, Fronick C, Clifton SW, Ahmer BM, Andrews-Polymenis HL, Porwollik S, McClelland M.

BMC Genomics. 2012 May 30;13:212. doi: 10.1186/1471-2164-13-212.


Virulence of 32 Salmonella strains in mice.

Swearingen MC, Porwollik S, Desai PT, McClelland M, Ahmer BM.

PLoS One. 2012;7(4):e36043. doi: 10.1371/journal.pone.0036043. Epub 2012 Apr 27.


Hypochlorous acid and hydrogen peroxide-induced negative regulation of Salmonella enterica serovar Typhimurium ompW by the response regulator ArcA.

Morales EH, Calderón IL, Collao B, Gil F, Porwollik S, McClelland M, Saavedra CP.

BMC Microbiol. 2012 May 22;12:63. doi: 10.1186/1471-2180-12-63.

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