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Author Athmanya K Eshwar

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Molecular characterisation of multi-drug resistant Escherichia coli of bovine origin.

João Anes, Scott V Nguyen, Athmanya K Eshwar, Evonne McCabe, Guerrino Macori, Daniel Hurley, Angelika Lehner, Séamus Fanning,

Antimicrobial resistance reported in bacteria of animal origin is considered a major challenge to veterinary public health. In this study, the genotypic and phenotypic characterisation of twelve Escherichia coli isolates of bovine origin is reported. Twelve bacterial isolates of animal origin were selected from a previous study based on their ... Read more >>

Vet. Microbiol. (Veterinary microbiology)
[2020, 242:108566]

Cited: 0 times

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Whole-Genome Sequencing-Based Characterization of 100 Listeria monocytogenes Isolates Collected from Food Processing Environments over a Four-Year Period.

Daniel Hurley, Laura Luque-Sastre, Craig T Parker, Steven Huynh, Athmanya K Eshwar, Scott V Nguyen, Nicholas Andrews, Alexandra Moura, Edward M Fox, Kieran Jordan, Angelika Lehner, Roger Stephan, Séamus Fanning,

Listeria monocytogenes is frequently found in foods and processing facilities, where it can persist, creating concerns for the food industry. Its ability to survive under a wide range of environmental conditions enhances the potential for cross-contamination of the final food products, leading to possible outbreaks of listeriosis. In this study, ... Read more >>

mSphere (mSphere)
[2019, 4(4):]

Cited: 1 time

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Variable Carbon Source Utilization, Stress Resistance, and Virulence Profiles Among Listeria monocytogenes Strains Responsible for Listeriosis Outbreaks in Switzerland.

Francis Muchaamba, Athmanya K Eshwar, Marc J A Stevens, Ueli von Ah, Taurai Tasara,

A combination of phenotype microarrays, targeted stress resistance and virulence assays and comparative genome analysis was used to compare a set of Listeria monocytogenes strains including those involved in previous Swiss foodborne listeriosis outbreaks. Despite being highly syntenic in gene content these strains showed significant phenotypic variation in utilization of ... Read more >>

Front Microbiol (Frontiers in microbiology)
[2019, 10:957]

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Atypical Hemolytic Listeria innocua Isolates Are Virulent, albeit Less than Listeria monocytogenes.

Alexandra Moura, Olivier Disson, Morgane Lavina, Pierre Thouvenot, Lei Huang, Alexandre Leclercq, Maria Fredriksson-Ahomaa, Athmanya K Eshwar, Roger Stephan, Marc Lecuit,

Listeria innocua is considered a nonpathogenic Listeria species. Natural atypical hemolytic L. innocua isolates have been reported but have not been characterized in detail. Here, we report the genomic and functional characterization of representative isolates from the two known natural hemolytic L. innocua clades. Whole-genome sequencing confirmed the presence of ... Read more >>

Infect. Immun. (Infection and immunity)
[2019, 87(4):]

Cited: 1 time

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Cold-Shock Domain Family Proteins (Csps) Are Involved in Regulation of Virulence, Cellular Aggregation, and Flagella-Based Motility in Listeria monocytogenes.

Athmanya K Eshwar, Claudia Guldimann, Anna Oevermann, Taurai Tasara,

Cold shock-domain family proteins (Csps) are highly conserved nucleic acid binding proteins regulating the expression of various genes including those involved in stress resistance and virulence in bacteria. We show here that Csps are involved in virulence, cell aggregation and flagella-based extracellular motility of Listeria monocytogenes. A L. monocytogenes mutant ... Read more >>

Front Cell Infect Microbiol (Frontiers in cellular and infection microbiology)
[2017, 7:453]

Cited: 6 times

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Comparative Genomic Characterization of the Highly Persistent and Potentially Virulent Cronobacter sakazakii ST83, CC65 Strain H322 and Other ST83 Strains.

Hannah R Chase, Gopal R Gopinath, Athmanya K Eshwar, Andrea Stoller, Claudia Fricker-Feer, Jayanthi Gangiredla, Isha R Patel, Hediye N Cinar, HyeJin Jeong, ChaeYoon Lee, Flavia Negrete, Samantha Finkelstein, Roger Stephan, Ben D Tall, Angelika Lehner,

Cronobacter (C.) sakazakii is an opportunistic pathogen and has been associated with serious infections with high mortality rates predominantly in pre-term, low-birth weight and/or immune compromised neonates and infants. Infections have been epidemiologically linked to consumption of intrinsically and extrinsically contaminated lots of reconstituted powdered infant formula (PIF), thus contamination ... Read more >>

Front Microbiol (Frontiers in microbiology)
[2017, 8:1136]

Cited: 6 times

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Linking Genomo- and Pathotype: Exploiting the Zebrafish Embryo Model to Investigate the Divergent Virulence Potential among Cronobacter spp.

Athmanya K Eshwar, Ben D Tall, Jayanthi Gangiredla, Gopal R Gopinath, Isha R Patel, Stephan C F Neuhauss, Roger Stephan, Angelika Lehner,

Bacteria belonging to the genus Cronobacter have been recognized as causative agents of life-threatening systemic infections primarily in premature, low-birth weight and immune-compromised neonates. Apparently not all Cronobacter species are linked to infantile infections and it has been proposed that virulence varies among strains. Whole genome comparisons and in silico ... Read more >>

PLoS ONE (PloS one)
[2016, 11(6):e0158428]

Cited: 4 times

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Evaluation of zebrafish as a model to study the pathogenesis of the opportunistic pathogen Cronobacter turicensis.

Alexander Fehr, Athmanya K Eshwar, Stephan C F Neuhauss, Maja Ruetten, Angelika Lehner, Lloyd Vaughan,

Bacteria belonging to the genus Cronobacter spp. have been recognized as causative agents of life-threatening systemic infections, primarily in premature, low-birth weight and/or immune-compromised neonates. Knowledge remains scarce regarding the underlying molecular mechanisms of disease development. In this study, we evaluated the use of a zebrafish model to study the ... Read more >>

Emerg Microbes Infect (Emerging microbes & infections)
[2015, 4(5):e29]

Cited: 8 times

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