Ascel Regis SAMBA LOUAKA

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Publications

Image document

Combating resilient Acanthamoeba castellanii cysts: Ultrasonic frequency-dependent effects on viability and excystment

Prince Nana Amaniampong , Ascel Samba-Louaka
Ultrasonics Sonochemistry, 2026, 124 (107695), ⟨10.1016/j.ultsonch.2025.107695⟩
Article dans une revue hal-05396712 v1
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Extensive environmental survey of free-living amoebae and their elusive association with Mycobacterium bovis or Mycobacterium avium subsp. paratuberculosis

Amélie Jessu , Thierry Cochard , Mélanie Burtin , Stéphanie Crapart , Vincent Delafont et al.
FEMS Microbiology Ecology, 2025, 101 (1), pp.fiae164. ⟨10.1093/femsec/fiae164⟩
Article dans une revue hal-04891776 v1
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Legionella pneumophila subverts the antioxidant defenses of its amoeba host Acanthamoeba castellanii

Alban Hay , Willy Aucher , Romain Pigeault , Joanne Bertaux , Alexandre Crépin et al.
Current Research in Microbial Sciences, 2025, 8, pp.100338. ⟨10.1016/j.crmicr.2024.100338⟩
Article dans une revue hal-04884037 v1
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Encystment and Excystment Processes in <i>Acanthamoeba castellanii</i>: An Emphasis on Cellulose Involvement

Mathew Choaji , Ascel Samba-Louaka , Zineb Fechtali-Moute , Willy Aucher , Sébastien Pomel
Pathogens, 2025, 14, ⟨10.3390/pathogens14030268⟩
Article dans une revue hal-04988818 v1
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Metagenomic data from gutter water in the city of Pointe-Noire, Republic of Congo

Bouziane Moumen , Céline Samba-Louaka , Victoire Aubierge Matondo Kimpamboudi , Anicet Magloire Boumba , Hervé Sabin Ngoma et al.
Data in Brief, 2024, 55, pp.110655. ⟨10.1016/j.dib.2024.110655⟩
Article dans une revue hal-04632769 v1
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Editorial: new advances in the biology and pathogenesis of free-living amoebae

Isabel Marcelino , Ascel Samba-Louaka , Christopher A Rice
Frontiers in Microbiology, 2024, ⟨10.3389/fmicb.2024.1401217⟩
Article dans une revue hal-04583924 v1
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Characterization of Rosculus vilicus sp. nov., a rhizarian amoeba interacting with Mycobacterium avium subsp. paratuberculosis

Amélie Jessu , Vincent Delafont , Jean-Louis Moyen , Franck Biet , Ascel Samba-Louaka et al.
Frontiers in Microbiology, 2023, 14, pp.1324985. ⟨10.3389/fmicb.2023.1324985⟩
Article dans une revue hal-04411548 v1
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Encystment of Free-Living Amoebae, So Many Blind Spots to Cover

Ascel Samba-Louaka
Parasitologia, 2023, 3 (1), pp.53-58. ⟨10.3390/parasitologia3010007⟩
Article dans une revue hal-04075904 v1
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Proteomic analysis of Acanthamoeba castellanii response to Legionella pneumophila infection

Alban Hay , Steven Rolland , Clement Bernard , Yann Héchard , Romain Villéger et al.
FEMS Microbiology Letters, 2023, ⟨10.1093/femsle/fnad086⟩
Article dans une revue hal-04218559 v1
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Legionella pneumophila Presence in Dental Unit Waterlines: A Cultural and Molecular Investigation in the West Bank, Palestine

Ashraf R Zayed , Mutasem Burghal , Suha Butmeh , Ascel Samba-Louaka , Michael Steinert et al.
Tropical Medicine and Infectious Disease, 2023, 8, ⟨10.3390/tropicalmed8110490⟩
Article dans une revue hal-04268539 v1
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Encystation and Stress Responses under the Control of Ubiquitin-like Proteins in Pathogenic Amoebae

Ascel Samba-Louaka , Elisabeth Labruyère , Mariette Matondo , Marie Locard-Paulet , Jean-Christophe Olivo-Marin et al.
Microorganisms, 2023, 11 (11), pp.2670. ⟨10.3390/microorganisms11112670⟩
Article dans une revue hal-04612504 v1
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Isolation and Genome Analysis of an Amoeba-Associated Bacterium Dyella terrae Strain Ely Copper Mine From Acid Rock Drainage in Vermont, United States

Lesley-Ann Giddings , Kevin Kunstman , Bouziane Moumen , Laurent Asiama , Stefan Green et al.
Frontiers in Microbiology, 2022, 13, pp.856908. ⟨10.3389/fmicb.2022.856908⟩
Article dans une revue hal-03720628 v1
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A time-resolved multi-omics atlas of Acanthamoeba castellanii encystment

Clément Bernard , Marie Locard-Paulet , Cyril Noël , Magalie Duchateau , Quentin Giai Gianetto et al.
Nature Communications, 2022, 13 (1), pp.4104. ⟨10.1038/s41467-022-31832-0⟩
Article dans une revue hal-03728227 v1
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Time for African youth in science

Mandingha Kosso Etoka-Beka , Ascel Samba-Louaka
Acta Tropica, 2022, 226, pp.106270. ⟨10.1016/j.actatropica.2021.106270⟩
Article dans une revue hal-03720615 v1
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Amoebae as Targets for Toxins or Effectors Secreted by Mammalian Pathogens

Ascel Samba-Louaka
Article dans une revue hal-03327821 v1
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Encystment Induces Down-Regulation of an Acetyltransferase-Like Gene in Acanthamoeba castellanii

Steven Rolland , Luce Mengue , Cyril Noël , Stéphanie Crapart , Anne Mercier et al.
Pathogens, 2020, 9 (5), 321 (12p.). ⟨10.3390/pathogens9050321⟩
Article dans une revue hal-04202566 v1

Delayed cytokinesis generates multinuclearity and potential advantages in the amoeba Acanthamoeba castellanii Neff strain

Théo Quinet , Ascel Samba-Louaka , Yann Héchard , Karine van Doninck , Charles van der Henst
Scientific Reports, 2020, 10 (1), pp.12109. ⟨10.1038/s41598-020-68694-9⟩
Article dans une revue hal-05400325 v1
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The crustacean Armadillidium vulgare (Latreille, 1804) (Isopoda: Oniscoidea), a new promising model for the study of cellular senescence

Charlotte Depeux , Ascel Samba-Louaka , Thomas Becking , Christine Braquart-Varnier , Jérôme Moreau et al.
Journal of Crustacean Biology, 2020, 40 (2), pp.194-199. ⟨10.1093/jcbiol/ruaa004⟩
Article dans une revue hal-03060295 v1

Free-living amoebae and squatters in the wild: ecological and molecular features

Ascel Samba-Louaka , Vincent Delafont , Marie-Hélène Rodier , Estelle Cateau , Yann Héchard
FEMS Microbiology Reviews, 2019, 43 (4), pp.415-434. ⟨10.1093/femsre/fuz011⟩
Article dans une revue hal-05044418 v1
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Legionella pneumophila -induced cell death: Two hosts, two responses

Ascel Samba-Louaka
Virulence, 2018, 9 (1), pp.17-19. ⟨10.1080/21505594.2017.1384527⟩
Article dans une revue hal-01724146 v1
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Environmental Mycobacterium avium subsp. paratuberculosis Hosted by Free-Living Amoebae

Ascel Samba-Louaka , Etienne Robino , Thierry Cochard , Maxime Branger , Vincent Delafont et al.
Frontiers in Cellular and Infection Microbiology, 2018, 8, pp.1-7. ⟨10.3389/fcimb.2018.00028⟩
Article dans une revue hal-01705081 v1

Legionella pneumophila decreases velocity of Acanthamoeba castellanii

Luce Mengue , Freddie-Jeanne Richard , Yves Caubet , Steven Rolland , Yann Héchard et al.
Experimental Parasitology, 2017, ⟨10.1016/j.exppara.2017.07.013⟩
Article dans une revue hal-01651847 v1
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Mycobacterium llatzerense, a waterborne Mycobacterium, that resists phagocytosis by Acanthamoeba castellanii

Vincent Delafont , Ascel Samba-Louaka , Emmanuelle Cambau , Didier Bouchon , Laurent Moulin et al.
Scientific Reports, 2017, 7, pp.46270. ⟨10.1038/srep46270⟩
Article dans une revue hal-01504796 v1
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Legionella pneumophila prevents proliferation of its natural host Acanthamoeba castellanii.

Luce Mengue , Matthieu Régnacq , Willy Aucher , Emilie Portier , Yann Héchard et al.
Scientific Reports, 2016, 6 (1), pp.36448. ⟨10.1038/srep36448⟩
Article dans une revue hal-01437135 v1

Identification of Atg8 from Acanthamoeba castellanii by genetic complementation in Saccharomyces cerevisiae.

Matthieu Régnacq , Pierre Voisin , Yann Héchard , Thierry Bergès , Christine Braquart-Varnier et al.
Molecular and Biochemical Parasitology, 2016, 210 (1-2), pp.55-57. ⟨10.1016/j.molbiopara.2016.08.006⟩
Article dans une revue istex hal-01427910 v1

Shedding light on microbial dark matter: a TM6 bacterium as natural endosymbiont of a free-living amoeba.

Vincent Delafont , Ascel Samba-Louaka , Didier Bouchon , Laurent Moulin , Yann Héchard
Environmental Microbiology Reports, 2015, 7 (6), pp.970-8. ⟨10.1111/1758-2229.12343⟩
Article dans une revue istex hal-01427409 v1
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Listeria monocytogenes Dampens the DNA Damage Response

Ascel Samba-Louaka , Jorge Pereira , Marie-Anne Nahori , Veronique Villiers , Ludovic Deriano et al.
PLoS Pathogens, 2014, 10 (10), pp.e1004470. ⟨10.1371/journal.ppat.1004470⟩
Article dans une revue pasteur-01078553 v1
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<em>Escherichia coli</em> producing colibactin triggers premature and transmissible senescence in mammalian cells

Thomas Secher , Ascel Samba Louaka , Eric Oswald , Jean-Philippe Nougayrède
PLoS ONE, 2013, 8 (10), ⟨10.1371/journal.pone.0077157⟩
Article dans une revue hal-02646496 v1

Role for Telomerase in Listeria monocytogenes Infection

Ascel Samba-Louaka , Fabrizia Stavru , Pascale Cossart
Infection and Immunity, 2012, 80 (12), pp.4257 - 4263. ⟨10.1128/IAI.00614-12⟩
Article dans une revue hal-02645152 v1
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Recruitment of the Major Vault Protein by InlK: A Listeria monocytogenes Strategy to Avoid Autophagy

Laurent Dortet , Serge Mostowy , Ascel Samba Louaka , Edith Gouin , Marie-Anne Nahori et al.
PLoS Pathogens, 2011, 7 (8), pp.e1002168. ⟨10.1371/journal.ppat.1002168⟩
Article dans une revue hal-02649652 v1
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Pathogenic Bacteria Target NEDD8-Conjugated Cullins to Hijack Host-Cell Signaling Pathways

Grégory Jubelin , Frederic Taieb , David Duda , Yun Hsu , Ascel Samba-Louaka et al.
PLoS Pathogens, 2010, 6 (9), pp.e1001128. ⟨10.1371/journal.ppat.1001128⟩
Article dans une revue hal-02952993 v1

Cif type III effector protein: a smart hijacker of the host cell cycle

Ascel Samba-Louaka , Frederic Taieb , Jean-Philippe Nougayrède , Eric Oswald
Future Microbiology, 2009, 4 (7), pp.867-877. ⟨10.2217/fmb.09.60⟩
Article dans une revue hal-02935476 v1

The enteropathogenic Escherichia Coli effector cif induces delayed apoptosis in epithelial cells

A. Samba-Louaka , Jean-Philippe Nougayrède , Claude Watrin , Eric Oswald , Frederic Taieb
Infection and Immunity, 2009, 77 (12), p. 5471-5477. ⟨10.1128/IAI.00860-09⟩
Article dans une revue hal-02662590 v1
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Cycle inhibiting factors (CIFs) are a growing family of functional cyclomodulins present in invertebrate and mammal bacterial pathogens

Grégory Jubelin , Carolina Varela Chavez , Frederic Taieb , Mark J. Banfield , Ascel Samba-Louaka et al.
PLoS ONE, 2009, 4 (3), pp.e4855. ⟨10.1371/journal.pone.0004855⟩
Article dans une revue hal-02659269 v1

Cif type III effector protein: a smart hijacker of the host cell cycle

A. Samba-Louaka , Frederic Taieb , Jean-Philippe Nougayrède , Eric Oswald
Future Microbiology, 2009, 4 (7), pp.867-877. ⟨10.2217/FMB.09.60⟩
Article dans une revue hal-02660398 v1

Bacterial cyclomodulin Cif blocks the host cell cycle by stabilizing the cyclin-dependent kinase inhibitors p21 waf1 and p27 kip1

Ascel Samba-Louaka , Jean-Philippe Nougayrède , Claude Watrin , Grégory Jubelin , Eric Oswald et al.
Cellular Microbiology, 2008, 10 (12), pp.2496-2508. ⟨10.1111/j.1462-5822.2008.01224.x⟩
Article dans une revue hal-02952999 v1

Escherichia coli cyclomodulin Cif induces G(2) arrest of the host cell cycle without activation of the DNA-damage checkpoint-signalling pathway

Frederic Taieb , Jean-Philippe Nougayrède , Claude Watrin , A. Samba-Louaka , Eric Oswald
Cellular Microbiology, 2006, 8 (12), pp.1910-1921. ⟨10.1111/j.1462-5822.2006.00757.x⟩
Article dans une revue hal-02660102 v1

Role of free-living amoebae in the environmental persistence of pathogenic mycobacteria: a mesocosm-based approach

Pauline Hardouin , Thierry Cochard , Lorraine Michelet , María-Laura Boschiroli , Jean-Louis Moyen et al.
FLAM 2025, XXth International Meeting on the Biology and Pathogenicity of Free-Living Amoebae, University of Mexico, Nov 2025, Puerto Morelos, Mexico
Communication dans un congrès hal-05242636 v1

Exploring the molecular mechanisms of encystment in free-living amoebae

Ascel Samba-Louaka
XXth International Meeting on the Biology and Pathogenicity of Free-Living Amoebae (FLAM 2025), Nov 2025, Cancun, Quintana Roo, Mexico
Communication dans un congrès hal-05400095 v1

Involvement of oxidative stress in the infection process of A. castellanii by L. pneumophila

Alban Hay , Willy Aucher , Alexandre Crépin , Yann Héchard , Romain Villéger et al.
Annual conference of the Microbiology Society, Apr 2024, Edimbourg (Ecosse), United Kingdom
Communication dans un congrès hal-05400129 v1

Environmental free-living amoeba as potential reservoirs for Mycobacterium bovis and Mycobacterium avium subsp. paratuberculosis

Amélie Jessu , Thierry Cochard , Ascel Samba-Louaka , Jean-Louis Moyen , Franck Biet et al.
The 19th international Free-Living Amoebae Meeting (FLAM), Université de Poitiers, Jun 2023, Poitiers, France
Communication dans un congrès hal-04203794 v1

Molecular atlas of Acanthamoeba castellanii remodeling during cyst formation

Ascel Samba-Louaka
Réseau Ecologie des Interactions Durables, May 2023, Poitiers, France
Communication dans un congrès hal-05400081 v1

Molecular atlas of Acanthamoeba castellanii remodeling during cyst formation

Ascel Samba-Louaka
XIXth International Meeting on the Biology and Pathogenicity of Free-living Amoebae, Jun 2023, Poitiers, France
Communication dans un congrès hal-05400143 v1

The role of oxidative stress in L. pneumophila infection of A. castellanii

Alban Hay , Alexandre Crépin , Willy Aucher , Yann Héchard , Romain Villéger et al.
XIXth International Meeting on the Biology and Pathogenicity of Free-living Amoebae, Jun 2023, Poitiers, France
Communication dans un congrès hal-05400164 v1

Environmental free-living amoebae interaction with Mycobacterium avium subsp. paratuberculosis

Amélie Jessu , Thierry Cochard , Ascel Samba-Louaka , Jean-Louis Moyen , Franck Biet et al.
15th International Association for Paratuberculous - ICP 2022, Université de Dublin, Jun 2022, Dublin, Ireland
Communication dans un congrès hal-04203750 v1

Molecular atlas of Acanthamoeba castellanii remodeling during cyst formation

Ascel Samba-Louaka
Société Française de Microbiologie, Sep 2021, Nantes (France), France
Communication dans un congrès hal-05400497 v1

Free-living amoebae as an environmental host for <em>Mycobacterium avium</em> subsp. <em>paratuberculosis</em>

Yann Héchard , Ascel Samba-Louaka , Etienne Robino , Thierry Cochard , Willy Aucher et al.
14. International Colloquium on Paratuberculosis, International Association for Paratuberculosis. INT., Jun 2018, Riviera Maya, Mexico
Communication dans un congrès hal-02733605 v1

Les amibes libres, un réservoir environnemental pour les mycobactéries non tuberculeuses ?

Yann Héchard , Vincent Delafont , Ascel Samba , Etienne Robino , Thierry Cochard et al.
14. Congrès national de la Société Française de Microbiologie (SFM), Société Française de Microbiologie (SFM). FRA., Oct 2018, Paris, France
Communication dans un congrès hal-02733536 v1

Free-living amoebae as environmental hosts for non-tuberculous Mycobacterium

Vincent Delafont , Ascel Samba-Louaka , Etienne Robino , Thierry Cochard , Willy Aucher et al.
2. NTM European Conference, Société Française de Microbiologie (SFM). FRA., Jun 2018, Montigny-le-Bretonneux, France
Communication dans un congrès hal-02738389 v1

Environmental <em>Mycobacterium avium</em> subsp. <em>paratuberculosis</em> hosted by free-living amoebae

Ascel Samba-Louaka , Etienne Robino , Thierry Cochard , Maxime Branger , Vincent Delafont et al.
Pathobiome 2018 "Pathogens in Microbiotas in Hosts", Mar 2018, Ajaccio, France
Communication dans un congrès hal-02735589 v1

Les amibes libres, un réservoir environnemental de <em>Mycobacterium avium</em> ssp. <em>paratuberculosis</em> ?

Yann Héchard , Etienne Robino , Ascel Samba , Thierry Cochard , Maxime Branger et al.
5. Journées d'animation scientifique de la FéRI, Fédération de recherche en infectiologie (FéRI)., Jul 2016, Tours, France
Communication dans un congrès hal-02800718 v1