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Glutamate decarboxylase-dependent acid resistance in Brucella spp.: distribution and contribution to fitness under extremely acidic conditions

Maria Alessandra Damiano , Daniela Bastianelli , Sascha Al Dahouk , Stephan Köhler , Axel Cloeckaert , et al.
Applied and Environmental Microbiology, 2015, 81 (2), pp.578-586. ⟨10.1128/AEM.02928-14⟩
Article dans une revue hal-01142767v1
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Biochemical and spectroscopic properties of Brucella microti glutamate decarboxylase, a key component of the glutamate-dependent acid resistance system.

Gaia Grassini , Eugenia Pennacchietti , Francesca Cappadocio , Alessandra Occhialini , Daniela de Biase
FEBS Open Bio, 2015, 5, pp.209-18. ⟨10.1016/j.fob.2015.03.006⟩
Article dans une revue pasteur-01146947v1
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RegA Plays a Key Role in Oxygen-Dependent Establishment of Persistence and in Isocitrate Lyase Activity, a Critical Determinant of In vivo Brucella suis Pathogenicity

Elias Abdou , María Jiménez de Bagüés , Ignacio Martínez-Abadía , Safia Ouahrani-Bettache , Véronique Pantesco , et al.
Frontiers in Cellular and Infection Microbiology, 2017, 7, pp.186. ⟨10.3389/fcimb.2017.00186⟩
Article dans une revue hal-02425105v1

Nitazoxanide, a Potential Drug for Eradication of Helicobacter pylori with No Cross-Resistance to Metronidazole

Francis Mégraud , Alessandra Occhialini , Jean François Rossignol
Antimicrobial Agents and Chemotherapy, 1998, 42 (11), pp.2836-2840. ⟨10.1128/aac.42.11.2836⟩
Article dans une revue hal-02352307v1

Resistance of Helicobacter pylori to macrolides and nitroimidazole compounds. The current situation.

F. Mégraud , A. Occhialini , H Doermann
Journal of Physiology and Pharmacology, 1997, 48 Suppl 4, pp.25-38
Article dans une revue hal-02352363v1

Detection of point mutations associated with resistance of Helicobacter pylori to clarithromycin by hybridization in liquid phase.

M. Pina , A. Occhialini , L Monteiro , H Doermann , F. Mégraud
Journal of Clinical Microbiology, 1998, 36 (11), pp.3285-90
Article dans une revue hal-02352362v1

The new species Brucella microti replicates in macrophages and causes death in murine models of infection

María P Jiménez de Bagüés , Safia Ouahrani-Bettache , Juan F Quintana , Olga Mitjana , Nabil Hanna , et al.
Journal of Infectious Diseases, 2010, 202 (1), pp.3-10. ⟨10.1086/653084⟩
Article dans une revue hal-00509064v1

The virB Operon Is Essential for Lethality of Brucella microti in the Balb/c Murine Model of Infection

Nabil Hanna , Maria Pilar Jiménez de Bagüés , Safia Ouahrani-Bettache , Zoubida El Yakhlifi , Stephan Köhler , et al.
Journal of Infectious Diseases, 2011, 203 (8), pp.1129-1135. ⟨10.1093/infdis/jiq163⟩
Article dans une revue hal-02352339v1

Composition and Gene Expression of the cag Pathogenicity Island in Helicobacter pylori Strains Isolated from Gastric Carcinoma and Gastritis Patients in Costa Rica

A. Occhialini , A. Marais , M. Urdaci , R. Sierra , N. Munoz , et al.
Infection and Immunity, 2001, 69 (3), pp.1902-1908. ⟨10.1128/IAI.69.3.1902-1908.2001⟩
Article dans une revue hal-02352321v1

Macrolide resistance in Helicobacter pylori: rapid detection of point mutations and assays of macrolide binding to ribosomes.

A. Occhialini , M. Urdaci , F. Doucet-Populaire , C. Bébéar , H Lamouliatte , et al.
Antimicrobial Agents and Chemotherapy, 1997, 41 (12), pp.2724-2728. ⟨10.1128/aac.41.12.2724⟩
Article dans une revue hal-02352301v1

Direct detection of Helicobacter pylori resistance to macrolides by a polymerase chain reaction/DNA enzyme immunoassay in gastric biopsy specimens

A. Marais , L Monteiro , A. Occhialini , M. Pina , H Lamouliatte , et al.
Gut, 1999, 44 (4), pp.463-467. ⟨10.1136/gut.44.4.463⟩
Article dans une revue hal-02352313v1

A heterogeneous population of motile Brucellae out of the frog pond

S. Al-Dahouk , S. Kohler , A. Occhialini , María P Jiménez de Bagüés , Jens A Hammerl , et al.
68. Annual Brucellosis Research Conference, Dec 2015, Chicago, United States
Communication dans un congrès hal-02739826v1

Distribution of Open Reading Frames of Plasticity Region of Strain J99 in Helicobacter pylori Strains Isolated from Gastric Carcinoma and Gastritis Patients in Costa Rica

A. Occhialini , A. Marais , R. Alm , F. Garcia , R. Sierra , et al.
Infection and Immunity, 2000, 68 (11), pp.6240-6249. ⟨10.1128/iai.68.11.6240-6249.2000⟩
Article dans une revue hal-02352317v1

Aromatic amino acid biosynthesis is dispensable for intramacrophagic growth of Brucella suis, despite attenuation of an aroC mutant.

Safia Ouahrani-Bettache , María Pilar Jiménez de Bagüés , Pascale Joseph , Véronique Jubier-Maurin , Alessandra Occhialini , et al.
Brucellosis 2015 International Research Conference, Dec 2015, Chicago, United States
Poster de conférence hal-02328790v1
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Brucella spp. are facultative anaerobic bacteria under denitrifying conditions

Luca Freddi , Jorge A de la Garza-García , Sascha Al Dahouk , Alessandra Occhialini , Stephan Köhler
Microbiology Spectrum, 2023, ⟨10.1128/spectrum.02767-23⟩
Article dans une revue hal-04264457v1
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RAPPORT DE PROSPECTIVE CSI INSB INSTITUT DES SCIENCES BIOLOGIQUES

Yaël Grosjean , Dominique Rumeau , Anne-Karine Bouzier-Sore , Marie Chabbert , Olivier Croce , et al.
CSI INSB INSTITUT DES SCIENCES BIOLOGIQUES. 2023
Rapport hal-04284459v1
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The Glutaminase-Dependent Acid Resistance System: Qualitative and Quantitative Assays and Analysis of Its Distribution in Enteric Bacteria

Eugenia Pennacchietti , Chiara d'Alonzo , Luca Freddi , Alessandra Occhialini , Daniela de Biase
Frontiers in Microbiology, 2018, 9, ⟨10.3389/fmicb.2018.02869⟩
Article dans une revue hal-02352349v1

La flexibilité respiratoire, facteur de pathogénicité et de persistance chez Brucella suis

Elias Abdou , María Pilar Jiménez de Bagüés , Ignacio Martínez-Abadía , Safia Ouahrani-Bettache , Véronique Pantesco , et al.
14 ème Congrès de la Société Française de Microbiologie, Oct 2018, Paris, France
Communication dans un congrès hal-02329330v1
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The Glutaminase-Dependent System Confers Extreme Acid Resistance to New Species and Atypical Strains of Brucella

Luca Freddi , Maria Damiano , Laurent Chaloin , Eugenia Pennacchietti , Sascha Al Dahouk , et al.
Frontiers in Microbiology, 2017, 8, pp.2236. ⟨10.3389/fmicb.2017.02236⟩
Article dans une revue hal-01868348v1
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Lethality of Brucella microti in a murine model of infection depends on the wbkE gene involved in O-polysaccharide synthesis

Safia Ouahrani-Bettache , María Jiménez de Bagüés , Jorge de La Garza , Luca Freddi , Juan Bueso , et al.
Virulence, 2019, 10 (1), pp.868-878. ⟨10.1080/21505594.2019.1682762⟩
Article dans une revue hal-02352287v1

Identification of strain-specific genes located outside the plasticity zone in nine clinical isolates of Helicobacter pylori b

Alessandra Occhialini , Armelle Marais , Nathalie Gras , Richard Alm , Grettel Chanto , et al.
Microbiology, 2002, 148 (11), pp.3671-3680. ⟨10.1099/00221287-148-11-3671⟩
Article dans une revue hal-02352328v1

Investigation of an Outbreak due to Alcaligenes xylosoxydans Subspecies xylosoxydans by Random Amplified Polymorphic DNA Analysis

P. Lehours , A. Rogues , A. Occhialini , H. Boulestreau , J. Gachie , et al.
European Journal of Clinical Microbiology and Infectious Diseases, 2002, 21 (2), pp.108-113. ⟨10.1007/s10096-001-0669-x⟩
Article dans une revue istex hal-02352324v1
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Brucella spp. of amphibians comprise genomically diverse motile strains competent for replication in macrophages and survival in mammalian hosts

Sascha Al Dahouk , Stephan Köhler , Alessandra Occhialini , María Pilar Jiménez de Bagüés , Jens Andre Hammerl , et al.
Scientific Reports, 2017, 7, 17 p. ⟨10.1038/srep44420⟩
Article dans une revue hal-01605016v1

A heterogeneous population of motile Brucellae out of the frog pond

S. Al-Dahouk , S. Kohler , A. Occhialini , María P Jiménez de Bagüés , Jens A Hammerl , et al.
15. Medical Biodefense Conference, Bundeswehr Institute of Microbiology. DEU., Apr 2016, Munich, Germany
Communication dans un congrès hal-02742554v1

Inventory and functional analysis of the large Hrp regulon in Ralstonia solanacearum: identification of novel effector proteins translocated to plant host cells through the type III secretion system

Sébastien Cunnac , Alessandra Occhialini , Patrick Barberis , Christian Boucher , Stéphane Genin
Molecular Microbiology, 2004, 53 (1), pp.115-128. ⟨10.1111/j.1365-2958.2004.04118.x⟩
Article dans une revue hal-02352331v1

Serum antibody responses to Helicobacter pylori and the cagA marker in patients with mucosa-associated lymphoid tissue lymphoma.

A Taupin , A. Occhialini , A Ruskone-Fourmestraux , J Delchier , J Rambaud , et al.
Clinical and Diagnostic Laboratory Immunology, 1999, 6 (4), pp.633-8
Article dans une revue hal-02352357v1

RegA, of the redox-sensing system RegB/A, is a key regulator in oxygen-dependent establishment of Brucella suis persistence.

Elias Abdou , María Pilar Jiménez de Bagüés , Ignacio Martínez-Abadía , Safia Ouahrani-Bettache , Véronique Pantesco , et al.
9th meeting on Bacterial Electron Transfer Processes and their Regulation, Mar 2018, Saint Tropez, France
Communication dans un congrès hal-02329110v1
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The glutamic acid decarboxylase system of the new species Brucella microti contributes to its acid resistance and to oral infection of mice.

Alessandra Occhialini , Maria Pilar Jiménez de Bagüés , Bashir Saadeh , Daniela Bastianelli , Nabil Hanna , et al.
Journal of Infectious Diseases, 2012, 206 (9), pp.1424-32. ⟨10.1093/infdis/jis522⟩
Article dans une revue pasteur-00952116v1

Genome-wide analysis of gene expression in Ralstonia solanacearum reveals that the hrpB gene acts as a regulatory switch controlling multiple virulence pathways

A. Occhialini , S. Cunnac , N. Reymond , S. Genin , C. Boucher
Molecular Plant-Microbe Interactions, 2005, 18 (9), pp.938-949
Article dans une revue hal-00391466v1
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Global Rsh-dependent transcription profile of Brucella suis during stringent response unravels adaptation to nutrient starvation and cross-talk with other stress responses

Nabil Hanna , Safia Ouahrani-Bettache , Kenneth Drake , L Garry Adams , Stephan Köhler , et al.
BMC Genomics, 2013, 14, pp.459. ⟨10.1186/1471-2164-14-459⟩
Article dans une revue hal-02352345v1