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Sequential ubiquitination of NLRP3 by RNF125 and Cbl-b limits inflammasome activation and endotoxemia.

Tang J, Tu S, Lin G, Guo H, Yan C, Liu Q, Huang L, Tang N, Xiao Y, Pope RM, Rajaram MVS, Amer AO, Ahmer BM, Gunn JS, Wozniak DJ, Tao L, Coppola V, Zhang L, Langdon WY, Torrelles JB, Lipkowitz S, Zhang J.

J Exp Med. 2020 Apr 6;217(4). pii: e20182091. doi: 10.1084/jem.20182091.


Integrated Use of Biochemical, Native Mass Spectrometry, Computational, and Genome-Editing Methods to Elucidate the Mechanism of a Salmonella deglycase.

Sengupta A, Wu J, Seffernick JT, Sabag-Daigle A, Thomsen N, Chen TH, Capua AD, Bell CE, Ahmer BMM, Lindert S, Wysocki VH, Gopalan V.

J Mol Biol. 2019 Nov 8;431(22):4497-4513. doi: 10.1016/j.jmb.2019.08.017. Epub 2019 Sep 4.


Role of CsrA in stress responses and metabolism important for Salmonella virulence revealed by integrated transcriptomics.

Potts AH, Guo Y, Ahmer BMM, Romeo T.

PLoS One. 2019 Jan 25;14(1):e0211430. doi: 10.1371/journal.pone.0211430. eCollection 2019.


Salmonella-Mediated Inflammation Eliminates Competitors for Fructose-Asparagine in the Gut.

Wu J, Sabag-Daigle A, Borton MA, Kop LFM, Szkoda BE, Deatherage Kaiser BL, Lindemann SR, Renslow RS, Wei S, Nicora CD, Weitz KK, Kim YM, Adkins JN, Metz TO, Boyaka P, Gopalan V, Wrighton KC, Wysocki VH, Ahmer BMM.

Infect Immun. 2018 Apr 23;86(5). pii: e00945-17. doi: 10.1128/IAI.00945-17. Print 2018 May.


Identification of Bacterial Species That Can Utilize Fructose-Asparagine.

Sabag-Daigle A, Wu J, Borton MA, Sengupta A, Gopalan V, Wrighton KC, Wysocki VH, Ahmer BMM.

Appl Environ Microbiol. 2018 Feb 14;84(5). pii: e01957-17. doi: 10.1128/AEM.01957-17. Print 2018 Mar 1.


Measurement of Fructose-Asparagine Concentrations in Human and Animal Foods.

Wu J, Sabag-Daigle A, Metz TO, Deatherage Kaiser BL, Gopalan V, Behrman EJ, Wysocki VH, Ahmer BMM.

J Agric Food Chem. 2018 Jan 10;66(1):212-217. doi: 10.1021/acs.jafc.7b04237. Epub 2017 Dec 29.


Methods to Study Solo/Orphan Quorum-Sensing Receptors.

Venturi V, Subramoni S, Sabag-Daigle A, Ahmer BMM.

Methods Mol Biol. 2018;1673:145-159. doi: 10.1007/978-1-4939-7309-5_12.


Salmonella FraE, an Asparaginase Homolog, Contributes to Fructose-Asparagine but Not Asparagine Utilization.

Sabag-Daigle A, Sengupta A, Blunk HM, Biswas PK, Cron MC, Bogard AJ, Behrman EJ, Gopalan V, Ahmer BMM.

J Bacteriol. 2017 Oct 17;199(22). pii: e00330-17. doi: 10.1128/JB.00330-17. Print 2017 Nov 15.


Chemical and pathogen-induced inflammation disrupt the murine intestinal microbiome.

Borton MA, Sabag-Daigle A, Wu J, Solden LM, O'Banion BS, Daly RA, Wolfe RA, Gonzalez JF, Wysocki VH, Ahmer BMM, Wrighton KC.

Microbiome. 2017 Apr 27;5(1):47. doi: 10.1186/s40168-017-0264-8.


The commensal microbiota exacerbate infectious colitis in stressor-exposed mice.

Galley JD, Parry NM, Ahmer BMM, Fox JG, Bailey MT.

Brain Behav Immun. 2017 Feb;60:44-50. doi: 10.1016/j.bbi.2016.09.010. Epub 2016 Sep 12.


A metabolic intermediate of the fructose-asparagine utilization pathway inhibits growth of a Salmonella fraB mutant.

Sabag-Daigle A, Blunk HM, Sengupta A, Wu J, Bogard AJ, Ali MM, Stahl C, Wysocki VH, Gopalan V, Behrman EJ, Ahmer BM.

Sci Rep. 2016 Jul 12;6:28117. doi: 10.1038/srep28117.


Use of Attenuated but Metabolically Competent Salmonella as a Probiotic To Prevent or Treat Salmonella Infection.

Sabag-Daigle A, Blunk HM, Gonzalez JF, Steidley BL, Boyaka PN, Ahmer BMM.

Infect Immun. 2016 Jun 23;84(7):2131-2140. doi: 10.1128/IAI.00250-16. Print 2016 Jul.


Genomic Targets and Features of BarA-UvrY (-SirA) Signal Transduction Systems.

Zere TR, Vakulskas CA, Leng Y, Pannuri A, Potts AH, Dias R, Tang D, Kolaczkowski B, Georgellis D, Ahmer BM, Romeo T.

PLoS One. 2015 Dec 16;10(12):e0145035. doi: 10.1371/journal.pone.0145035. eCollection 2015.


Editorial: LuxR Solos are Becoming Major Players in Cell-Cell Communication in Bacteria.

Venturi V, Ahmer BM.

Front Cell Infect Microbiol. 2015 Dec 1;5:89. doi: 10.3389/fcimb.2015.00089. eCollection 2015. No abstract available.


Inflammation-associated alterations to the intestinal microbiota reduce colonization resistance against non-typhoidal Salmonella during concurrent malaria parasite infection.

Mooney JP, Lokken KL, Byndloss MX, George MD, Velazquez EM, Faber F, Butler BP, Walker GT, Ali MM, Potts R, Tiffany C, Ahmer BM, Luckhart S, Tsolis RM.

Sci Rep. 2015 Oct 5;5:14603. doi: 10.1038/srep14603.


Identification of sdiA-regulated genes in a mouse commensal strain of Enterobacter cloacae.

Sabag-Daigle A, Dyszel JL, Gonzalez JF, Ali MM, Ahmer BM.

Front Cell Infect Microbiol. 2015 May 27;5:47. doi: 10.3389/fcimb.2015.00047. eCollection 2015.


Regulation of bacterial virulence by Csr (Rsm) systems.

Vakulskas CA, Potts AH, Babitzke P, Ahmer BM, Romeo T.

Microbiol Mol Biol Rev. 2015 Jun;79(2):193-224. doi: 10.1128/MMBR.00052-14. Review.


Fructose-asparagine is a primary nutrient during growth of Salmonella in the inflamed intestine.

Ali MM, Newsom DL, González JF, Sabag-Daigle A, Stahl C, Steidley B, Dubena J, Dyszel JL, Smith JN, Dieye Y, Arsenescu R, Boyaka PN, Krakowka S, Romeo T, Behrman EJ, White P, Ahmer BM.

PLoS Pathog. 2014 Jun 26;10(6):e1004209. doi: 10.1371/journal.ppat.1004209. eCollection 2014 Jun.


The SdiA-regulated gene srgE encodes a type III secreted effector.

Habyarimana F, Sabag-Daigle A, Ahmer BM.

J Bacteriol. 2014 Jun;196(12):2301-12. doi: 10.1128/JB.01602-14. Epub 2014 Apr 11.


Global effects of the DEAD-box RNA helicase DeaD (CsdA) on gene expression over a broad range of temperatures.

Vakulskas CA, Pannuri A, Cortés-Selva D, Zere TR, Ahmer BM, Babitzke P, Romeo T.

Mol Microbiol. 2014 Jun;92(5):945-58. doi: 10.1111/mmi.12606. Epub 2014 Apr 24.


In this issue of Gut Microbes.

Ahmer BM.

Gut Microbes. 2014 Jan-Feb;5(1):83-5. doi: 10.4161/gmic.28007. Epub 2014 Jan 27. No abstract available.


Yersinia enterocolitica inhibits Salmonella enterica serovar Typhimurium and Listeria monocytogenes cellular uptake.

Habyarimana F, Swearingen MC, Young GM, Seveau S, Ahmer BM.

Infect Immun. 2014 Jan;82(1):174-83. doi: 10.1128/IAI.00984-13. Epub 2013 Oct 14.


More evidence for secretion signals within the mRNA of type 3 secreted effectors.

Habyarimana F, Ahmer BM.

J Bacteriol. 2013 May;195(10):2117-8. doi: 10.1128/JB.00303-13. Epub 2013 Mar 22. No abstract available.


Distinct populations of innate CD8+ T cells revealed in a CXCR3 reporter mouse.

Oghumu S, Dong R, Varikuti S, Shawler T, Kampfrath T, Terrazas CA, Lezama-Davila C, Ahmer BM, Whitacre CC, Rajagopalan S, Locksley R, Sharpe AH, Satoskar AR.

J Immunol. 2013 Mar 1;190(5):2229-40. doi: 10.4049/jimmunol.1201170. Epub 2013 Jan 21.


The intestinal fatty acid propionate inhibits Salmonella invasion through the post-translational control of HilD.

Hung CC, Garner CD, Slauch JM, Dwyer ZW, Lawhon SD, Frye JG, McClelland M, Ahmer BM, Altier C.

Mol Microbiol. 2013 Mar;87(5):1045-60. doi: 10.1111/mmi.12149. Epub 2013 Jan 28.


Are there acyl-homoserine lactones within mammalian intestines?

Swearingen MC, Sabag-Daigle A, Ahmer BM.

J Bacteriol. 2013 Jan;195(2):173-9. doi: 10.1128/JB.01341-12. Epub 2012 Nov 9. Review.


ExpI and PhzI are descendants of the long lost cognate signal synthase for SdiA.

Sabag-Daigle A, Ahmer BM.

PLoS One. 2012;7(10):e47720. doi: 10.1371/journal.pone.0047720. Epub 2012 Oct 17.


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.


The acyl homoserine lactone receptor, SdiA, of Escherichia coli and Salmonella enterica serovar Typhimurium does not respond to indole.

Sabag-Daigle A, Soares JA, Smith JN, Elmasry ME, Ahmer BM.

Appl Environ Microbiol. 2012 Aug;78(15):5424-31. doi: 10.1128/AEM.00046-12. Epub 2012 May 18.


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.


The intestinal microbiota are necessary for stressor-induced enhancement of splenic macrophage microbicidal activity.

Allen RG, Lafuse WP, Galley JD, Ali MM, Ahmer BM, Bailey MT.

Brain Behav Immun. 2012 Mar;26(3):371-82. doi: 10.1016/j.bbi.2011.11.002. Epub 2011 Nov 12.


Interaction of Salmonella spp. with the Intestinal Microbiota.

Ahmer BM, Gunn JS.

Front Microbiol. 2011 May 6;2:101. doi: 10.3389/fmicb.2011.00101. eCollection 2011.


Detection of acyl-homoserine lactones by Escherichia and Salmonella.

Soares JA, Ahmer BM.

Curr Opin Microbiol. 2011 Apr;14(2):188-93. doi: 10.1016/j.mib.2011.01.006. Epub 2011 Feb 24. Review.


E. coli K-12 and EHEC genes regulated by SdiA.

Dyszel JL, Soares JA, Swearingen MC, Lindsay A, Smith JN, Ahmer BM.

PLoS One. 2010 Jan 28;5(1):e8946. doi: 10.1371/journal.pone.0008946.


Salmonella SdiA recognizes N-acyl homoserine lactone signals from Pectobacterium carotovorum in vitro, but not in a bacterial soft rot.

Noel JT, Joy J, Smith JN, Fatica M, Schneider KR, Ahmer BM, Teplitski M.

Mol Plant Microbe Interact. 2010 Mar;23(3):273-82. doi: 10.1094/MPMI-23-3-0273.


Salmonella enterica serovar Typhimurium can detect acyl homoserine lactone production by Yersinia enterocolitica in mice.

Dyszel JL, Smith JN, Lucas DE, Soares JA, Swearingen MC, Vross MA, Young GM, Ahmer BM.

J Bacteriol. 2010 Jan;192(1):29-37. doi: 10.1128/JB.01139-09.


SdiA, an N-acylhomoserine lactone receptor, becomes active during the transit of Salmonella enterica through the gastrointestinal tract of turtles.

Smith JN, Dyszel JL, Soares JA, Ellermeier CD, Altier C, Lawhon SD, Adams LG, Konjufca V, Curtiss R 3rd, Slauch JM, Ahmer BM.

PLoS One. 2008 Jul 30;3(7):e2826. doi: 10.1371/journal.pone.0002826.


Methods in cell-to-cell signaling in Salmonella.

Ahmer BM, Smith JN, Dyszel JL, Lindsay A.

Methods Mol Biol. 2007;394:307-22. doi: 10.1007/978-1-59745-512-1_15.


Contribution of the SirA regulon to biofilm formation in Salmonella enterica serovar Typhimurium.

Teplitski M, Al-Agely A, Ahmer BMM.

Microbiology. 2006 Nov;152(Pt 11):3411-3424. doi: 10.1099/mic.0.29118-0.


Catabolite repression of the SirA regulatory cascade in Salmonella enterica.

Teplitski M, Goodier RI, Ahmer BM.

Int J Med Microbiol. 2006 Nov;296(7):449-66. Epub 2006 Sep 1.


STAT-1-mediated repression of monocyte interleukin-10 gene expression in vivo.

VanDeusen JB, Shah MH, Becknell B, Blaser BW, Ferketich AK, Nuovo GJ, Ahmer BM, Durbin J, Caligiuri MA.

Eur J Immunol. 2006 Mar;36(3):623-30.


Effect of sdiA on biosensors of N-acylhomoserine lactones.

Lindsay A, Ahmer BM.

J Bacteriol. 2005 Jul;187(14):5054-8.


Regulation of enteric endophytic bacterial colonization by plant defenses.

Iniguez AL, Dong Y, Carter HD, Ahmer BM, Stone JM, Triplett EW.

Mol Plant Microbe Interact. 2005 Feb;18(2):169-78.


Cell-to-cell signalling in Escherichia coli and Salmonella enterica.

Ahmer BM.

Mol Microbiol. 2004 May;52(4):933-45. Review.


Pathways leading from BarA/SirA to motility and virulence gene expression in Salmonella.

Teplitski M, Goodier RI, Ahmer BM.

J Bacteriol. 2003 Dec;185(24):7257-65.


SdiA of Salmonella enterica is a LuxR homolog that detects mixed microbial communities.

Michael B, Smith JN, Swift S, Heffron F, Ahmer BM.

J Bacteriol. 2001 Oct;183(19):5733-42.


SirA orthologs affect both motility and virulence.

Goodier RI, Ahmer BM.

J Bacteriol. 2001 Apr;183(7):2249-58.

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