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Axel Hartke
Researcher at University of Caen Lower Normandy
Publications - 114
Citations - 4662
Axel Hartke is an academic researcher from University of Caen Lower Normandy. The author has contributed to research in topics: Enterococcus faecalis & Mutant. The author has an hindex of 41, co-authored 112 publications receiving 4355 citations.
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Journal ArticleDOI
Survival of Enterococcus faecalis in an Oligotrophic Microcosm: Changes in Morphology, Development of General Stress Resistance, and Analysis of Protein Synthesis
TL;DR: The combined data suggest that energy starvation induces a response similar to that triggered by oligotrophy, which seems to play a key role in the observed phenomena of long-term survival and development of general stress resistance of starved cultures of E. faecalis.
Journal ArticleDOI
Relationship between stress response towards bile salts, acid and heat treatment in Enterococcus faecalis
Sigrid Flahaut,Axel Hartke,Jean-Christophe Giard,Abdellah Benachour,Philippe Boutibonnes,Yanick Auffray +5 more
TL;DR: Stress tolerance and cross-protection in Enterococcus faecalis ATCC19433 were examined after exposure to bile salts, acid or heat shock and whole-cell protein extract analysis revealed that each treatment induced a battery of stress proteins.
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Complete genome sequence of the probiotic Lactobacillus casei strain BL23
Alain Mazé,Alain Mazé,Grégory Boël,Grégory Boël,Manuel Zúñiga,Alexa Bourand,Valentin Loux,María J. Yebra,Vicente Monedero,Karine Correia,Noémie Jacques,Sophie Beaufils,Sandrine Poncet,Philippe Joyet,Eliane Milohanic,Serge Casaregola,Yanick Auffray,Gaspar Pérez-Martínez,Jean-François Gibrat,Monique Zagorec,Christof Francke,Axel Hartke,Josef Deutscher +22 more
TL;DR: The entire genome of Lactobacillus casei BL23, a strain with probiotic properties, has been sequenced and the industrially used probiotic strain Shirota YIT 9029 (Yakult) seem to be very similar.
Journal ArticleDOI
The Lactic Acid Stress Response of Lactococcus lactis subsp. lactis
Axel Hartke,Sandrine Bouche,Jean-Christophe Giard,Abdellah Benachour,Philippe Boutibonnes,Yanick Auffray +5 more
TL;DR: The results establish that L. lactis can adapt to lactic acid exposure in two different ways: a logarithmic phase LATR, which may be activated by protons, and a stationary-phase LATR which needs no activation by protONS.
Journal ArticleDOI
Alkaline stress response in Enterococcus faecalis: adaptation, cross-protection, and changes in protein synthesis.
TL;DR: The combined results show that bile salts and alkaline stress responses are closely related.