Estela M Galván

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Xanthan is a polysaccharide secreted by Xanthomonas campestris that contains pentameric repeat units. The biosynthesis of xanthan involves an operon composed of 12 genes (gumB to gumM). In this study, we analyzed the proteins encoded by gumB and gumC. Membrane fractionation showed that GumB was mainly associated with the outer membrane, whereas GumC was an(More)
Most catheter-associated urinary tract infections are polymicrobial. Here, uropathogen interactions in dual-species biofilms were studied. The dual-species associations selected based on their prevalence in clinical settings were Klebsiella pneumoniae-Escherichia coli, E. coli-Enterococcus faecalis, K. pneumoniae-E. faecalis, and K. pneumoniae-Proteus(More)
Xanthomonas citri ssp. citri (Xcc) causes canker disease in citrus, and biofilm formation is critical for the disease cycle. OprB (Outer membrane protein B) has been shown previously to be more abundant in Xcc biofilms compared with the planktonic state. In this work, we showed that the loss of OprB in an oprB mutant abolishes bacterial biofilm formation(More)
S. Moreno, E.M. Galván, N. Vázquez, G. Fiorilli and P.A. Cáceres Guido 1 Institute Leloir Foundation (ex Campomar Foundation)-Biochemistry Institute Research of Buenos Aires (IIBBACONICET), Av. Patricias Argentinas 435, CABA Argentina 2 Maimónides University, Hidalgo 755, CABA, Argentina 3 Microbiology Service, Garrahan Pediatric Hospital, Combate de los(More)
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