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Characterization of a D-lyxose isomerase from Bacillus velezensis and its application for the production of D-mannose and L-ribose.
Guo Z, Long L, Ding S. Guo Z, et al. AMB Express. 2019 Sep 16;9(1):149. doi: 10.1186/s13568-019-0877-3. AMB Express. 2019. PMID: 31529161 Free PMC article.
L-arabinose isomerase catalyzes the conversion of L-arabinose to L-ribulose, while D-lyxose isomerase catalyzes L-ribulose and D-fructose to L-ribose and D-mannose, respectively. In this paper, a putative D-LI from Bacillus velezensis (BvLI) was identi …
L-arabinose isomerase catalyzes the conversion of L-arabinose to L-ribulose, while D-lyxose isomerase catalyzes L-ribulose and D
Rules of Expansion: an Updated Consensus Operator Site for the CopR-CopY Family of Bacterial Copper Exporter System Repressors.
O'Brien H, Alvin JW, Menghani SV, Sanchez-Rosario Y, Van Doorslaer K, Johnson MDL. O'Brien H, et al. mSphere. 2020 May 27;5(3):e00411-20. doi: 10.1128/mSphere.00411-20. mSphere. 2020. PMID: 32461276 Free PMC article.
Here, we propose an updated operator sequence for the S. pneumoniae cop operon to be ATTGACAAATGTAGAT binding CopY with a dissociation constant (K(d) ) of 28 nM. We demonstrate strong cross-species interaction between some CopY proteins and CopY operators, suggesting stron …
Here, we propose an updated operator sequence for the S. pneumoniae cop operon to be ATTGACAAATGTAGAT binding CopY with a dissociation const …
A peptidoglycan fragment triggers β-lactam resistance in Bacillus licheniformis.
Amoroso A, Boudet J, Berzigotti S, Duval V, Teller N, Mengin-Lecreulx D, Luxen A, Simorre JP, Joris B. Amoroso A, et al. PLoS Pathog. 2012;8(3):e1002571. doi: 10.1371/journal.ppat.1002571. Epub 2012 Mar 15. PLoS Pathog. 2012. PMID: 22438804 Free PMC article.
In Bacillus licheniformis and Staphylococcus aureus, a membrane-bound penicillin receptor (BlaR/MecR) detects the presence of beta-lactam and launches a cytoplasmic signal leading to the inactivation of BlaI/MecI repressor, and the synthesis of a beta-lactamase or a low af …
In Bacillus licheniformis and Staphylococcus aureus, a membrane-bound penicillin receptor (BlaR/MecR) detects the presence of beta-lactam an …
Epidemiological characterizations of class 1 integrons from multidrug-resistant acinetobacter isolates in Daejeon, Korea.
Sung JY, Koo SH, Kim S, Kwon KC. Sung JY, et al. Ann Lab Med. 2014 Jul;34(4):293-9. doi: 10.3343/alm.2014.34.4.293. Epub 2014 Jun 19. Ann Lab Med. 2014. PMID: 24982834 Free PMC article.
The class 1 integrons were classified into 4 types: 2.3-kb type A (aacA4-catB8-aadA1), 3.0-kb type B (aacA4-blaI MP-1 -bla OXA-2), 3.0-kb type C (bla VIM-2-aacA7-aadA1), and 1.8-kb type D (aac3-1-bla OXA-2 -orfD). ...
The class 1 integrons were classified into 4 types: 2.3-kb type A (aacA4-catB8-aadA1), 3.0-kb type B (aacA4-blaI MP-1 -bla OXA-2), 3. …
Guanidinium chloride denaturation of the dimeric Bacillus licheniformis BlaI repressor highlights an independent domain unfolding pathway.
Vreuls C, Filée P, Van Melckebeke H, Aerts T, De Deyn P, Llabrès G, Matagne A, Simorre JP, Frère JM, Joris B. Vreuls C, et al. Biochem J. 2004 Nov 15;384(Pt 1):179-90. doi: 10.1042/BJ20040658. Biochem J. 2004. PMID: 15285720 Free PMC article.
In addition, the intact NTD and CTD were purified after proteolysis of BlaI by papain, and their unfolding by GdmCl was also studied. GdmCl-induced equilibrium unfolding was shown to be fully reversible for BlaI and for the two isolated fragments. ...These results c …
In addition, the intact NTD and CTD were purified after proteolysis of BlaI by papain, and their unfolding by GdmCl was also studied. …
Dimerization and DNA binding properties of the Bacillus licheniformis 749/I BlaI repressor.
Filée P, Vreuls C, Herman R, Thamm I, Aerts T, De Deyn PP, Frère JM, Joris B. Filée P, et al. J Biol Chem. 2003 May 9;278(19):16482-7. doi: 10.1074/jbc.M210887200. Epub 2003 Mar 3. J Biol Chem. 2003. PMID: 12615920 Free article.
In the absence of penicillin, the beta-lactamase encoding gene blaP of Bacillus licheniformis 749/I is negatively regulated by the transcriptional repressor BlaI. Three palindromic operator regions are recognized by BlaI: two in the blaP promoter (OP1 and OP2) and o …
In the absence of penicillin, the beta-lactamase encoding gene blaP of Bacillus licheniformis 749/I is negatively regulated by the transcrip …
The fate of the BlaI repressor during the induction of the Bacillus licheniformis BlaP beta-lactamase.
Filée P, Benlafya K, Delmarcelle M, Moutzourelis G, Frère JM, Brans A, Joris B. Filée P, et al. Mol Microbiol. 2002 May;44(3):685-94. doi: 10.1046/j.1365-2958.2002.02888.x. Mol Microbiol. 2002. PMID: 12022149 Free article.
In the present study,we followed the fate of BlaI during beta-lactamase induction in B. licheniformis 749/I and in a recombinant Bacillus subtilis 168 strain harbouring the pDML995 plasmid, which carries the B. licheniformis blaP, blaI and blaRl genes. ...This latte …
In the present study,we followed the fate of BlaI during beta-lactamase induction in B. licheniformis 749/I and in a recombinant Baci …
Redefining the role of the β-lactamase locus in methicillin-resistant Staphylococcus aureus: β-lactamase regulators disrupt the MecI-mediated strong repression on mecA and optimize the phenotypic expression of resistance in strains with constitutive mecA expression.
Arêde P, Ministro J, Oliveira DC. Arêde P, et al. Antimicrob Agents Chemother. 2013 Jul;57(7):3037-45. doi: 10.1128/AAC.02621-12. Epub 2013 Apr 15. Antimicrob Agents Chemother. 2013. PMID: 23587945 Free PMC article.
The transcriptional control of both resistance determinants is regulated by homologous repressors (BlaI and MecI, respectively) and sensor inducers (BlaR1 and MecR1, respectively). ...This effect appears to be due to the formation of MecI::BlaI heterodimers that mig …
The transcriptional control of both resistance determinants is regulated by homologous repressors (BlaI and MecI, respectively) and s …
Crystal structures of the Apo and penicillin-acylated forms of the BlaR1 beta-lactam sensor of Staphylococcus aureus.
Wilke MS, Hills TL, Zhang HZ, Chambers HF, Strynadka NC. Wilke MS, et al. J Biol Chem. 2004 Nov 5;279(45):47278-87. doi: 10.1074/jbc.M407054200. Epub 2004 Aug 18. J Biol Chem. 2004. PMID: 15322076 Free article.
Despite their distinct modes of resistance, expression of these proteins is controlled by similar regulation systems, including a repressor (BlaI/MecI) and a multidomain transmembrane receptor (BlaR1/MecR1). ...The structures show that the sensor domain resembles the beta- …
Despite their distinct modes of resistance, expression of these proteins is controlled by similar regulation systems, including a repressor …