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Composite integron array generated by insertion of an ORF341-type integron within a Tn21-like element.
Villa L, Visca P, Tosini F, Pezzella C, Carattoli A. Villa L, et al. Among authors: visca p. Microb Drug Resist. 2002 Spring;8(1):1-8. doi: 10.1089/10766290252913692. Microb Drug Resist. 2002. PMID: 12002644
Class 1 integron-borne multiple-antibiotic resistance carried by IncFI and IncL/M plasmids in Salmonella enterica serotype typhimurium.
Tosini F, Visca P, Luzzi I, Dionisi AM, Pezzella C, Petrucca A, Carattoli A. Tosini F, et al. Among authors: visca p. Antimicrob Agents Chemother. 1998 Dec;42(12):3053-8. doi: 10.1128/AAC.42.12.3053. Antimicrob Agents Chemother. 1998. PMID: 9835490 Free PMC article.
Expanding drug resistance through integron acquisition by IncFI plasmids of Salmonella enterica Typhimurium.
Carattoli A, Villa L, Pezzella C, Bordi E, Visca P. Carattoli A, et al. Among authors: visca p. Emerg Infect Dis. 2001 May-Jun;7(3):444-7. doi: 10.3201/eid0703.010314. Emerg Infect Dis. 2001. PMID: 11384524 Free PMC article.
Multiple-antibiotic resistance mediated by structurally related IncL/M plasmids carrying an extended-spectrum beta-lactamase gene and a class 1 integron.
Villa L, Pezzella C, Tosini F, Visca P, Petrucca A, Carattoli A. Villa L, et al. Among authors: visca p. Antimicrob Agents Chemother. 2000 Oct;44(10):2911-4. doi: 10.1128/aac.44.10.2911-2914.2000. Antimicrob Agents Chemother. 2000. PMID: 10991889 Free PMC article.
Iron-regulated transcription of the pvdA gene in Pseudomonas aeruginosa: effect of Fur and PvdS on promoter activity.
Leoni L, Ciervo A, Orsi N, Visca P. Leoni L, et al. Among authors: visca p. J Bacteriol. 1996 Apr;178(8):2299-313. doi: 10.1128/jb.178.8.2299-2313.1996. J Bacteriol. 1996. PMID: 8636031 Free PMC article.
Two fur mutants of P. aeruginosa were much less responsive than wild-type PAO1 to the iron-dependent regulation of pvdA expression. Transcription from the pvdA promoter did not occur in a heterologous host unless in the presence of the pvdS gene in trans and was abrogated …
Two fur mutants of P. aeruginosa were much less responsive than wild-type PAO1 to the iron-dependent regulation of pvdA expression. T …
Cloning and nucleotide sequence of the pvdA gene encoding the pyoverdin biosynthetic enzyme L-ornithine N5-oxygenase in Pseudomonas aeruginosa.
Visca P, Ciervo A, Orsi N. Visca P, et al. J Bacteriol. 1994 Feb;176(4):1128-40. doi: 10.1128/jb.176.4.1128-1140.1994. J Bacteriol. 1994. PMID: 8106324 Free PMC article.
A gene bank of DNA from P. aeruginosa PAO1 (ATCC 15692) was constructed in the broad-host-range cosmid pLAFR3 and mobilized into the L-Orn N5-oxygenase-defective (pvdA) P. aeruginosa mutant PALS124. ...We also constructed a site-specific pvdA mutant by insertion of …
A gene bank of DNA from P. aeruginosa PAO1 (ATCC 15692) was constructed in the broad-host-range cosmid pLAFR3 and mobilized into the …
Expression of the virulence plasmid-carried apyrase gene (apy) of enteroinvasive Escherichia coli and Shigella flexneri is under the control of H-NS and the VirF and VirB regulatory cascade.
Berlutti F, Casalino M, Zagaglia C, Fradiani PA, Visca P, Nicoletti M. Berlutti F, et al. Among authors: visca p. Infect Immun. 1998 Oct;66(10):4957-64. doi: 10.1128/IAI.66.10.4957-4964.1998. Infect Immun. 1998. PMID: 9746603 Free PMC article.
Functional analysis of PvdS, an iron starvation sigma factor of Pseudomonas aeruginosa.
Leoni L, Orsi N, de Lorenzo V, Visca P. Leoni L, et al. Among authors: visca p. J Bacteriol. 2000 Mar;182(6):1481-91. doi: 10.1128/jb.182.6.1481-1491.2000. J Bacteriol. 2000. PMID: 10692351 Free PMC article.
Evidence is provided that the PvdS protein of P. aeruginosa is endowed with biochemical properties of eubacterial sigma factors, as it spontaneously forms 1:1 complexes with the core fraction of RNA polymerase (RNAP, alpha(2)betabeta' subunits), thereby promoting in vitro …
Evidence is provided that the PvdS protein of P. aeruginosa is endowed with biochemical properties of eubacterial sigma factors, as i …
Truncated hemoglobin GlbO from Mycobacterium leprae alleviates nitric oxide toxicity.
Fabozzi G, Ascenzi P, Renzi SD, Visca P. Fabozzi G, et al. Among authors: visca p. Microb Pathog. 2006 May;40(5):211-20. doi: 10.1016/j.micpath.2006.01.004. Epub 2006 Mar 9. Microb Pathog. 2006. PMID: 16524692
Transcriptional regulation of pseudobactin synthesis in the plant growth-promoting Pseudomonas B10.
Leoni L, Ambrosi C, Petrucca A, Visca P. Leoni L, et al. Among authors: visca p. FEMS Microbiol Lett. 2002 Mar 5;208(2):219-25. doi: 10.1111/j.1574-6968.2002.tb11085.x. FEMS Microbiol Lett. 2002. PMID: 11959440
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