[PDF][PDF] Les facteurs de virulence de Pseudomonas aeruginosa : mécanismes et modes de régulations

ABH Khalifa, D Moissenet, HV Thien… - Annales de biologie …, 2011 - researchgate.net
Pseudomonas aeruginosa est un pathogène opportuniste responsable d'infections
nosocomiales graves, d'infections potentiellement mortelles chez les personnes …

Root exudation of sugars, amino acids, and organic acids by maize as affected by nitrogen, phosphorus, potassium, and iron deficiency

LC Carvalhais, PG Dennis… - Journal of Plant …, 2011 - Wiley Online Library
Root exudates play a major role in the mobilization of sparingly soluble nutrients in the
rhizosphere. Since the amount and composition of major metabolites in root exudates from …

Iron acquisition with the natural siderophore enantiomers pyochelin and enantio-pyochelin in Pseudomonas species

ZA Youard, N Wenner, C Reimmann - Biometals, 2011 - Springer
The bacterial siderophore pyochelin is composed of salicylate and two cysteine-derived
heterocycles, the second of which is modified by reduction and N-methylation during …

Prevalence and Characterization of Non-O157 Shiga Toxin-Producing Escherichia coli Isolates from Commercial Ground Beef in the United States

JM Bosilevac, M Koohmaraie - Applied and environmental …, 2011 - Am Soc Microbiol
Escherichia coli O157: H7 is a Shiga toxin (stx)-producing E. coli (STEC) strain that has
been classified as an adulterant in US beef. However, numerous other non-O157 STEC …

Azospirillum brasilense siderophores with antifungal activity against Colletotrichum acutatum

ML Tortora, JC Díaz-Ricci, RO Pedraza - Archives of microbiology, 2011 - Springer
Anthracnose, caused by the fungus Colletotrichum acutatum is one of the most important
diseases in strawberry crop. Due to environmental pollution and resistance produced by …

The MAP kinase MpkA controls cell wall integrity, oxidative stress response, gliotoxin production and iron adaptation in Aspergillus fumigatus

R Jain, V Valiante, N Remme, T Docimo… - Molecular …, 2011 - Wiley Online Library
The saprophytic fungus Aspergillus fumigatus is the most important air‐borne fungal
pathogen. The cell wall of A. fumigatus has been studied intensively as a potential target for …

[HTML][HTML] Genome-assisted identification of putative iron-utilization genes in Acinetobacter baumannii and their distribution among a genotypically diverse collection of …

LCS Antunes, F Imperi, KJ Towner, P Visca - Research in microbiology, 2011 - Elsevier
New putative iron-uptake genes were identified in published genomes of the opportunistic
human pathogen Acinetobacter baumannii, and their occurrence was determined in a …

The phytopathogen Pseudomonas syringae pv. tomato DC3000 has three high-affinity iron-scavenging systems functional under iron limitation conditions but …

AM Jones, MC Wildermuth - Journal of bacteriology, 2011 - Am Soc Microbiol
High-affinity iron scavenging through the use of siderophores is a well-established virulence
determinant in mammalian pathogenesis. However, few examples have been reported for …

The exploration of the antibacterial mechanism of Fe3+ against bacteria

H Sun, X Lu, P Gao - Brazilian Journal of Microbiology, 2011 - SciELO Brasil
This study demonstrated that the bacteria could adsorb Fe3+ and reduce Fe3+ to Fe2+. Iron
had significant bacteriostatic effects, which were directly proportional to the iron …

Evolutionary and population dynamics: a coupled approach

J Cremer, A Melbinger, E Frey - Physical Review E—Statistical, Nonlinear, and …, 2011 - APS
We study the interplay of population growth and evolutionary dynamics using a stochastic
model based on birth and death events. In contrast to the common assumption of an …