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195 results on '"Bollet, C"'

7. Identification of an OPRD homologue in acinetobacter baumanii

Author

M. Pages J.M. Lafitte D. Siroy A. Bollet C., Dupont, Vidalin, Michèle, Cytosquelette et Intégration des Signaux du Micro-Environnement Tumoral - UMR 6032 (CISMET), Université de la Méditerranée - Aix-Marseille 2-Université de Provence - Aix-Marseille 1-Centre National de la Recherche Scientifique (CNRS), and Barras F.

Subjects
[SDV.BIO]Life Sciences [q-bio]/Biotechnology, [SDV.BBM] Life Sciences [q-bio]/Biochemistry, Molecular Biology, [SDV.BBM]Life Sciences [q-bio]/Biochemistry, Molecular Biology, [SDV.BIO] Life Sciences [q-bio]/Biotechnology
Published
2005

9. Taxonomy of some pathovars of Pseudomona syringae

Author

Gardan, L., Shafik, H., Bollet, C., Unité de recherche Pathologie végétale et phytobactériologie, Institut National de la Recherche Agronomique (INRA), and ProdInra, Migration

Subjects
[SDV] Life Sciences [q-bio], [SDV]Life Sciences [q-bio]
Published
1992

10. Black spot of lamb's lettuce, a new bacterial disease

Author

Gardan, Louis, Rat, E., Bollet, C., Unité de recherche Pathologie végétale et phytobactériologie, Institut National de la Recherche Agronomique (INRA), ProdInra, Migration, Unité mixte de recherche de pathologie végétale : biodiversité écologie interactions bioagresseurs/plantes, and Institut National d'Horticulture-Institut National de la Recherche Agronomique (INRA)-Université d'Angers (UA)

Subjects
[SDV] Life Sciences [q-bio], [SDV]Life Sciences [q-bio], [SDV.BV]Life Sciences [q-bio]/Vegetal Biology, [SDV.BV] Life Sciences [q-bio]/Vegetal Biology, [SDV.BV.PEP] Life Sciences [q-bio]/Vegetal Biology/Phytopathology and phytopharmacy, ComputingMilieux_MISCELLANEOUS, [SDV.BV.PEP]Life Sciences [q-bio]/Vegetal Biology/Phytopathology and phytopharmacy
Abstract

International audience

Published
1992

14. Phenotypic analysis and numerical taxonomy of Pseudomonas syringae pv. syringae isolated from commercial pear orchards of Spain

Author

Montesinos, E., Gardan, L., Bollet, C., Manceau, C., Dept Crop Sciences, Polytechnic University of Catalonia (UPC), Station de Pathologie Végétale et Phytobactériologie, Institut National de la Recherche Agronomique (INRA), Hôpital Salvator AP-HM Marseille Hôpitaux, Universitat Politècnica de Catalunya [Barcelona] (UPC), and Università degli Studi di Firenze [Firenze]. ITA.

Subjects
[SDV.SA]Life Sciences [q-bio]/Agricultural sciences, Vegetal Biology, [SDV.BIO]Life Sciences [q-bio]/Biotechnology, analyse phénotypique, Phytopathology and phytopharmacy, bacterial blight of pea agent, Biotechnologies, Phytopathologie et phytopharmacie, Agricultural sciences, protection du verger, [SDV.BV.PEP]Life Sciences [q-bio]/Vegetal Biology/Phytopathology and phytopharmacy, body regions, perry, verger commercial, poire, [SDV.BV]Life Sciences [q-bio]/Vegetal Biology, pseudomonas syringae pv pisi, Biologie végétale, Sciences agricoles
Abstract

Phenotypic analysis and numerical taxonomy of [i]Pseudomonas syringae[/i] pv. [i]syringae[/i] isolated from commercial pear orchards of Spain. 4th International Working Group on Pseudomonas syringae Pathovars’

Published
1991

18. Variabilite phenotypique de Pseudomonas pv syringae provenant de laurier palme et d'hotes varies

Author

Gardan, L., Cottin, S., Bollet, C., Hunault, Gilles, Boutefnouchet, N., Unité de recherche Pathologie végétale et phytobactériologie, Institut National de la Recherche Agronomique (INRA), hopital salvador, and Faculté des sciences

Subjects
[SDV.SA]Life Sciences [q-bio]/Agricultural sciences, bactérie phytopathogène, taxonomie, pseudomonas syringae, prunus laurocerasus, variabilité phénotypique, identification, criblure bactérienne, biotype, Sciences agricoles, laurier palme, caractère biochimique, Agricultural sciences
Abstract

La criblure bactérienne du laurier palme (Prunus laurocerasus L) a été observée pour la 1re fois en France en 1976; elle est due à Pseudomonas syringae pv syringae. La variabilité phénotypique de 50 souches de P s pv syringae isolées de laurier palme et de 58 souches de P s pv syringae isolées d’hôtes variés a été étudiée. Les résultats ont fait l’objet d’une taxonomie numérique. Les souches de laurier palme, étudiées seules, montrent une certaine variabilité puisqu’elles se répartissent en 6 groupes que l’on peut différencier par 15 caractères biochimiques. Comparées aux autres souches de P s pv syringae, elles se répartissent en 7 groupes caractérisés par 26 caractères biochimiques. Trois souches mal identifiées ne sont pas des P s pv syringae (U 21-1, 1787, 1701). La souche type de P s pv syringae a une distance relativement élevée par rapport à la majorité des autres souches., Bacterial leaf spot of cherry laurel (Prunus laurocerasus L) due to P s pv syringae was observed first in 1976 in France. The phenotypic variability was investigated in 50 representative strains of P s pv syringae isolated from cherry laurel and 58 strains of P s pv syringae isolated from 1950 to 1986 from various host-plants classified in 31 genera (tables I and II). The results of 167 biochemical characters were interpreted in numerical taxonomy by the Jaccard and Sneath coefficient. Strains were clustered using the UPGMA method. Strains of P s pv syringae isolated from cherry laurel, analyzed separately, were variable since they were classed in 6 groups (plus 10 isolated phenotypes) that were differentiated by 15 chemical characters (table III and fig 1). Compared with the 58 strains of P s pv syringae, the strains were distributed among 7 groups (plus 10 isolated phenotypes) which are differentiated by 26 biochemical characters (table V and fig 2). Strains of cherry laurel were clustered in 2 groups with other strains of various host-plants (group 2: 5 strains from cherry laurel plus 1 strain from Phaseolus sp and group 6: 44 strains from cherry laurel and 25 strains from various host-plants). The type strain of P s pv syringae was very far from the other strains and not a good type strain. A new strain would therefore have to be chosen. Strains clustered in group 6 could be considered as belonging to species P s pv syringae. However, this would have to be confirmed by DNA/DNA hybridization. The validity of species P s pv syringae and the notion of pathovar are discussed.

Published
1990

48. Extensive skin ulceration due to EF-4 bacterial infection in a patient with AIDS.

Author

Jrob, J.J., Bollet, C., Richard, M.A., De Micco, P., and Bonerandi, J.J.

Subjects
BACTERIA, AIDS patients, PROKARYOTES, IMMUNODEFICIENCY, IMMUNITY, DISEASES, SKIN
Abstract

We report an infection by EF-4 bacteria in an AIDS patient. Eugonic fermenting bacteria (EF-4) were first described by Tatum et al.1 and though this pasteurella-like group is as yet unclassified, its biochemical and morphologic features have been documented.2.3 Though frequent in the oral and nasal fluid of dogs,2.4 EF-4 bacteria have been rarely reported in human pathology and have only been isolated from skin abscesses caused by animal bites. 1,3,5,6 We describe a patient in whom a very severe skin infection, probably due to EF-4, led to the discovery that he had the acquired immunodeficiency syndrome (AIDS). [ABSTRACT FROM AUTHOR]

Published
1989

49. Identification of an OprD Homologue in Acinetobacter baumannii

Author

Dupont, M., Pages, J.-M., Lafitte, D., Siroy, A., and Bollet, C.

Abstract

With the increased number of resistant Acinetobacter baumannii strains, it is urgently required to decipher the molecular bases of outer membrane permeability. The analyses of the outer membrane from different A. baumannii strains indicated a modification in the expression of two proteins of 29 and 43 kDa, respectively. By electrophoresis and MALDI−MS analyses, the 43 kDa OMP was identified as a protein belonging to the OprD family, a basic amino acid and imipenem porin. Keywords: Acinetobacter baumannii • OprD • antibiotic • porins • membrane protein

Published
2005

50. Most Enterobacter aerogenes strains in France belong to a prevalent clone.

Author

Bosi, C, Davin-Regli, A, Bornet, C, Mallea, M, Pages, J M, and Bollet, C

Abstract

The aim of this study was to determine the distribution in France of the Enterobacter aerogenes prevalent clone isolated in the hospitals of the Marseille area (A. Davin-Regli, D. Monnet, P. Saux, C. Bosi, R. Charrel, A. Barthelemy, and C. Bollet, J. Clin. Microbiol. 34:1474-1480, 1996). A total of 123 E. aerogenes isolates were collected from 23 hospital laboratories and analyzed by random amplification of polymorphic DNA and enterobacterial repetitive intergenic consensus-PCR to determine their epidemiological relatedness. Molecular typing revealed that 21 of the 23 laboratories had isolated this prevalent clone harboring the plasmid encoding for extended-spectrum beta-lactamase of the TEM-24 type. Most isolates were susceptible only to imipenem and gentamicin. Their dissemination seems to be clonal and was probably the result of the general use of broad-spectrum cephalosporins and quinolones. Four isolates showed an alteration of their outer membrane proteins, causing decrease of susceptibility to third-generation cephalosporins and imipenem and leading to the critical situation of having no alternative therapeutic. The large dissemination of the E. aerogenes prevalent clone probably results from its good adaptation to the antibiotics administered in France and the hospital environment, particularly in intensive care units.

Published
1999

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