Results 31 to 40 of about 5,959 (186)

Incidence of aerobactin production in Gram-negative hospital isolates [PDF]

FEMS Microbiology Letters, 1987
The production of aerobactin was studied in 943 clinical isolates of 14 different Gram-negative genera. Aerobactin-producing strains were isolated in all the genera of Enterobacteriaceae tested, whereas no aerobactin-producing strains were found in the non-enterobacterial genera (Aeromonas, Pseudomonas, Acinetobacter).
J.L. Martinez, E. Cercenado, F. Baquero, J.C. Pérez-Diaz, A. Delgado-Iribarren   +4 more
openaire   +2 more sources

Analysis of Plasmids of the Klebsiella pneumoniae Complex Carrying a Cluster of Aerobactin Synthesis Genes as Presented in International Databases

Антибиотики и Химиотерапия, 2023
Background. Currently, it is customary to distinguish two pathotypes of Klebsiella pneumoniae — classical and hypervirulent, which have the ability to cause community-acquired infections in healthy people.
V. V. Shapovalova, Р. S. Chulkova, V. A. Ageevets   +2 more
doaj   +1 more source

Cloning of the aerobactin-mediated iron assimilation system of plasmid ColV [PDF]

Journal of Bacteriology, 1983
The high-affinity iron assimilation system of plasmid ColV-K30 was cloned on the vector plasmid pPlac. Plasmid pABN1 was isolated by means of sensitivity to cloacin, a bacteriocin using the same outer membrane receptor as ferric aerobactin. Restriction maps were determined for this plasmid and for a subclone, pABN5. Plasmid pABN1 codes for the complete
A, Bindereif, J B, Neilands
openaire   +2 more sources

Identification and characterisation of novel iron acquisition mechanisms in Sinorhizobium meliloti 2011 and Pseudomonas aeruginosa [PDF]

, 2003
All known microorganisms with the exception of lactobacilli display an absolute requirement for iron. Although iron is the fourth most abundant element on earth, it is rapidly oxidised at neutral pH forming insoluble hydroxides.
Ó Cuív, Páraic
core   +1 more source

Proline-rich antimicrobial peptide Api137 is bactericidal in porcine blood infected ex vivo with a porcine or human Klebsiella pneumoniae strain

Journal of Global Antimicrobial Resistance, 2021
Objectives: Klebsiella pneumoniae is an emerging invasive pathogen in humans and pigs. Resistance against multiple antibiotics in this species is a major health concern and the development of new antibiotics is urgently needed.
Ann-Kathrin Krieger, Daniel Knappe, Sophie Öhlmann, Leonie Mayer, Ines B. Eder, Gábor Köller, Ralf Hoffmann, Karoline Rieckmann, Christoph Georg Baums   +8 more
doaj   +1 more source

Aerobactin production and plasmid distribution in Escherichia coli clinical isolates [PDF]

FEMS Microbiology Letters, 1989
The distribution of plasmids as a function of aerobactin production, antibiotic resistance and antimicrobial agents production was studied in 139 Escherichia coli strains obtained from clinical sources. Ninety eight per cent of the strains analyzed presented plasmids with a median value of 2.97 plasmids per cell.
J L, Martínez, E, Cercenado, F, Baquero
openaire   +2 more sources

Analysis of the aerobactin and ferric hydroxamate uptake systems of Yersinia pestis [PDF]

Microbiology, 2007
Yersinia pestis genomes contain genes homologous to the aerobactin receptor (iutA) and biosynthetic genes (iucABCD) as well as the ferric hydroxamate uptake system (fhuCDB) of Escherichia coli. However, iucA is disrupted by a frameshift mutation. An E. coli strain carrying the cloned Y.
Stanislav, Forman, Michal J, Nagiec, Jennifer, Abney, Robert D, Perry, Jacqueline D, Fetherston   +4 more
openaire   +2 more sources

Variation in siderophore biosynthetic gene distribution and production across environmental and faecal populations of Escherichia coli. [PDF]

PLoS ONE, 2015
Iron is essential for Escherichia coli growth and survival in the host and the external environment, but its availability is generally low due to the poor solubility of its ferric form in aqueous environments and the presence of iron-withholding proteins
Laura J Searle, Guillaume Méric, Ida Porcelli, Samuel K Sheppard, Sacha Lucchini   +4 more
doaj   +1 more source

Potential virulence of Klebsiella sp. isolates from enteral diets [PDF]

Brazilian Journal of Medical and Biological Research, 2015
We aimed to evaluate the potential virulence of Klebsiella isolates from enteral diets in hospitals, to support nosocomial infection control measures, especially among critical-care patients.
S.C.L. Pereira, M.C.D. Vanetti
doaj   +3 more sources

Hypervirulent Klebsiella pneumoniae in a South African tertiary hospital—Clinical profile, genetic determinants, and virulence in Caenorhabditis elegans

Frontiers in Microbiology
IntroductionA distinct strain of Klebsiella pneumoniae (K. pneumoniae) referred to as hypervirulent (hvKp) is associated with invasive infections such as pyogenic liver abscess in young and healthy individuals.
Likhona Dingiswayo, Olusesan Adeyemi Adelabu, Emmanuel Arko-Cobbah, Carolina Pohl, Nthabiseng Zelda Mokoena, Morne Du Plessis, Jolly Musoke, Jolly Musoke   +7 more
doaj   +1 more source