Chro2017 - 10-14 September 2017 - Nantes (France)
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Chro2017

International Workshop on Campylobacter, Helicobacter and related organism

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Anses
Santé publique France
Institut Pasteur
CHU Bordeaux
Oniris
ISPAIA
Zoopole

Full Programme

Sunday, September 10th - evening

17.00 - 21.00
Registration
Welcome cocktail ceremony

Monday, September 11th

8.00-9.00
Welcome and registration

 

9.00-9.30
Opening ceremony

 

9.30-11.30

Plenary session « Genomic and Evolution 1 »

 Chairpersons: SHEPPARD Sam, United Kingdom and DE REUSE Hilde, France

Keynote:
Evolution of Helicobacter and gastric adaptation
DE REUSE Hilde, France

 

Oral communications:

Genome-wide identification of cancer associated genetic elements in Helicobacter pylori
BERTHENET Elvire, United Kingdom

 

A fine genomic population structure of Helicobacter pylori in China reflects geography specific linages corresponding to historic East Asian migrations
ZHANG Jianzhong, China

 

Putting bacterial GWAS to the test: can we find the basis of host-association in Campylobacter jejuni?
JOHANSSON Håkan, Sweden

 

Whole genome sequencing of Campylobacter jejuni offers an opportunity for in depth investigation into phase variable genes
VRANCKX Katleen, Belgium

 

Morphological transformation of Helicobacter pylori upon expression of a small peptide by a type I toxin-antitoxin system
DE REUSE Hilde, France

 

Genome and methylome variability of cag pathogenicity island-carrying Helicobacter pylori during early human infection
SUERBAUM Sebastian, Germany

 

11.30-13.00
Coffee break and poster session

 

 

13.00-14.00
Lunch

 

 

14.00-15.30

Parallel session « Immunology and Host response 1 »

 

Chairpersons: ETHELBERG Steen, Denmark and FERRERO Richard, Australia

 

Keynote:
FERRERO Richard, Australia

 

Oral communications:

 

Regulation of the LATS2/YAP/TAZ pathway during Helicobacter pylori induced gastric carcinogenesis
VARON Christine, France

 

Interleukin-18 mediates immune responses in Campylobacter jejuni infected gnotobiotic mice
HEIMESAAT Markus, Germany

 

Campylobacter jejuni induces autoimmune peripheral neuropathy via Siglec-1 and IL-4 axes in a mouse model of Guillain Barré Syndrome
MANSFIELD Linda, USA

 

Downregulation of USF1 transcription factors impacts p53 during Helicobacter pylori infection and exacerbates gastric carcinogenesis
TOUATI Eliette, France

 

Parallel session « Methods for Detection, Identification and Characterisation » 

 

Chairpersons: TABODOA Eduardo, Canada, RIVOAL Katell, France
and BESSEDE Emilie, France

 

Keynote:
Greater than the sum of its parts: Campylobacter surveillance in Canada
TABODOA Eduardo, Canada

 

Oral communications:

 

A core genome multi-locus sequence typing scheme for stable, comparative analyses of Campylobacter jejuni and C. coli human disease isolates
CODY Alison, United Kingdom

 

Comparison of nine selective agars for the detection of Campylobacter sp.
REPERANT Elisabeth, France

 

Evaluation of rapid immunochromatographic test detecting Campylobacter in human stools
BESSEDE Emilie, France

 

Detection of Campylobacter in water
FERRARI Sevinc, Sweden

 

Comparison of testing methodologies for enumerating levels of Campylobacter species from fresh whole raw chicken carcasses
JORGENSEN Frida, United Kingdom

 

15.30-16.00
Tea break

 

 

16.00-17.30

Parallel session « Poultry and non-poultry epidemiology and ecology of Campylobacter sp. »

 

 Chairpersons: DE ZUTTER Lieven, Belgium and DENIS Martine, FRANCE

 

Keynote: Campylobacter in animal”
DE ZUTTER Lieven, Belgium and DENIS Martine, France

 

Oral communications:
Studying Campylobacter jejuni in the chicken reservoir
GARAFOLO Giuliano, Italy

 

Molecular characterization of Campylobacter from the Canadian Poultry Baseline Survey
TABODOA Eduardo, Canada

 

Characterization of C. jejuni isolates from game birds in Finland
KOVANEN Sara, Finland

 

Diversity of Campylobacter lari in a One-Health context: Focus on shellfish, wild birds, surface water and human health risk
PENNY Christian, Luxembourg

 

A large survey on Campylobacter contamination in bovine production in France
RIVOAL Katell, France

 

Parallel session « Antibiotics and antimicrobial resistance »

 

Chairpersons: LEHOURS Philippe, France and  KEMPF Isabelle, France

 

Keynote: Antimicrobial resistance among Campylobacter sp. and Helicobacter pylori in France: the experience of the French National Reference Center
LEHOURS Philippe, France

 

Oral communications:

 

ST5136 is the largest vertically expanding UK wide clone of Campylobacter jejuni
LOPES Bruno, United Kingdom

 

Emerging antibiotic resistance in ruminant Campylobacter in the United States
ZHANG Qijing, USA

 

Antimicrobial resistance in Helicobacter pylori – a 7 year perspective from Gastrointestinal Bacteria Reference Unit (GBRU), Public Health England
GODBOLE Gauri, United Kingdom

 

Targeting Campylobacter jejuni lytic transglycosylase for drug discovery
LIN June, USA

18.30
Campy versus Heli football match

Tuesday, September 12th

8.30-10.30

Plenary session « Pathogenicity and virulence factors »

 

Chairpersons: KOROLIK Victoria, Australia and MEGRAUD Francis, France

 

Keynote:

 

Role of chemosensory receptors in pathogenesis of Campylobacter jejuni
KOROLIK Victoria, Australia

 

Oral communications:

 

Nuclear remodeling in response to the cytolethal distending toxin: formation of nucleoplasmic reticulum
MENARD Armelle, France

 

Investigating Campylobacter jejuni interactions with endoplasmic reticulum in intestinal epithelial cells resulting in induction of the unfolded protein response
DI SARO Gianna, Italy

 

Identifying virulence factors that lead to abortion from zoonotic transmission and whole genome sequencing
WEIMER Bart, USA

 

Insights into Campylobacter jejuni colonization and enteritis using a novel infant rabbit model
REN Fangzhe, China

 

Gastric cancer-associated polymorphisms in the Helicobacter pylori type IV secretion system protein CagL: a potential biomarker for cancer risk
GORREL Rebecca, Australia

 

Helicobacter pylori expands and functionally activates a novel gastric stem cell population in a cag pathogenicity island-dependent manner
WROBLEWSKI Lydia, USA

 

10.30–12.30
Coffee break and poster session

 

12.30-13.30
Lunch

 

 

13.30–15.00

Parallel session « Control strategies for Campylobacter sp. »

Chairpersons: HOFSHAGEN Merete, Norway, VAN DER LOGT Peter, New Zealand
and CHEMALY Marianne, France

Keynote:
VAN DER LOGT Peter, New Zealand

Oral communications:


Relation between soiling of broilers and Campylobacter levels during the slaughtering process
KOENE Miriam, The Netherlands

 

Isolation and characterization of Campylobacter-specific bacteriophages to reduce colonization of animal hosts
JOHNSON Tylor, USA

 

A Campylobacter putative outer membrane protein induces protective immune responses against an experimental campylobacter infection in broilers
DORY Daniel, France

 

Identification of potential Twin Arginine Translocation (TAT) pathways inhibitors to control Campylobacter in poultry
DEBLAIS Loic, USA

 

The in vitro and in vivo effect of Carvacrol in preventing Campylobacter infection, colonisation and improve chicken broilers productivity
CORCIONIVOSCHI Nicolae, United Kingdom

 


Parallel session « Pathogenicity and virulence factors »

Chairpersons: GAYNOR Erin, Canada and MEGRAUD Francis, France

 

Keynote: A new screen for C. jejuni virulence factors identifies a novel iron acquisition system
GAYNOR Erin, Canada

 

Oral communications:

The Ornithine Decarboxylase inhibitor Difluoromethylornithine effectively reduces Helicobacter pylori virulence and induction of inflammation and carcinogenesis
SIERRA Carolina, USA

 

Further characterization of the ligand-binding properties of Helicobacter pylori sialic acid binding adhesin A (SabA)
CHANDRAPALA Dilini, Australia

 

Investigating the biogenesis of Campylobacter jejuni outer membrane vesicle production
DAVIES Cadi, United Kingdom

 

Exploring the role of Campylobacter coli GT42 enzymes on lipooligosaccharides biosynthesis
ROSSI Mirko, Finland

 

TNFα affects the internalization of Campylobacter jejuni into human intestinal cells
CAPPELIER Jean-Michel, France

 

15.00-16.00
Tea break

16.00-17.00

Plenary session- State-of-the-Art lecture

Microbial carcinogens within the context of H. pylori-induced Gastric Cancer
PEEK Richard (USA)

 

17.00
CHRO 2019 presentations

Wednesday, September 13th

9.00–11.00

Plenary session « Adaptation of Campylobacter sp. to environmental conditions »

 

Chairpersons: KELLY Dave, United Kingdom, HADDAD Nabila, France
and Odile TRESSE, France

 

Keynote: Introduction on adaptation strategies of Campylobacter
TRESSE Odile, France

 

Oral communications:
Poultry intestinal mucus modulates Campylobacter jejuni gene expression
LOOFT Torey, USA

 

RNAseq reveals complex response of Campylobacter jejuni to bile and the ovine gallbladder environment
KREUDER Amanda, USA

 

Contributions of Phase Variation to Phage-Escape by Campylobacter jejuni
BAYLISS Chris, United kingdom

 

The phospholipidome of C. jejuni
WOSTEN Marc, The Netherlands

 

Membrane protein complexome of C. jejuni using 2D blue native/SDS-PAGE
GUERIN Alizée, France

 

Global control of Campylobacter jejuni biology by protein lysine acetylation
PUTTICK Thomas, United Kingdom

 

 

11.00–11.30
Coffee break

 

11.30-13.00

Parallel session « Adaptation of Campylobacter sp. to environmental conditions 2 »

 

Chairpersons: KELLY Dave, United Kingdom and Odile TRESSE, France

 

The periplasmic methionine sulfoxide reductase system of Campylobacter jejuni: A new player in oxidative stress defence
TAYLOR Aidan, United Kingdom

 

The Campylobacter jejuni oxidative stress regulator RrpB is associated with a genomic hypervariable region and altered oxidative stress resistance
GUNDOGDU Ozan, United Kingdom

 

Campylobacter jejuni FliW modulates CsrA regulation of flagellar and non-flagellar protein expression via protein-protein interaction
FULMER Claudia, USA

 

Differential survival of hyper-aerotolerant Campylobacter jejuni under different gas conditions
JEON Byeonghwa, Canada

 

Aerotolerant forms of a robust chicken colonising Campylobacter coli
CONNERTON Pippa, United Kingdom

 

Genomic and phenotypic characterization of C. jejuni water isolates
NILSSON Anna, Sweden

 


Parallel session «Immunology and Host response 2»

 

Chairpersons : ETHELBERG Steen, Denmark and FERRERO Richard, Australia

 

Oral communications:

 

Differential gene expression, signaling pathways, and upstream regulator analysis of acute Campylobacter jejuni enteritis in human colon mucosa
BUCKER Roland, Germany

 

Campylobacter jejuni infection of secondary abiotic mice lacking Nucleotide-Oligomerization-Domain-2
HEIMESAAT Markus, Germany

 

The role of Nod1 in targeting the immune response towards Helicobacter pylori in a genetic model of gastric carcinogenesis
SUAREZ Giovanni, United Kingdom

 

Helicobacter pylori modulates host cell responses by CagT4SS-dependent translocation of an intermediate metabolite of inner core LPS biosynthesis
JOSENHANS Christine, Germany

 

The role of gelatinases in Campylobacter jejuni infection of gnotobiotic mice
HEIMESAAT Markus, Germany

 

Transient Receptor Potential Melastatin 2, a calcium permeable channel, regulates macrophage apoptosis and polarization impacting gastric inflammation during Helicobacter pylori infection
ALGOOD Holly, United Kingdom

 

 

Open meeting of the « International subcommittee on the taxonomy of CHRO »

 

13.00–14.00
Lunch


14.30-16.30

Plenary session « Emerging and Related Organisms species »

Chairpersons: HOUF Kurt , Belgium and CAPPELIER Jean Michel, France

Keynote: Evolutionary genomics of gastric Helicobacter species revealed interspecies admixture and recombination and evidence for niche adaptation
SMET Annemieke, Belgium

Oral communications:

The importance of C. rectus CiaB to host cell invasion and host response
THREADGILL Deborah, USA

 

Genome analysis reveals novel mobile genetic elements containing virulence-factor-like proteins in Campylobacter concisus strains isolated from patients with IBD
ZHANG Li, Australia

 

Identification of a novel Campylobacter species in the gut microbiome of harbour seal pups (Phoca vitulina): Campylobacter blaseri sp. nov.
ZOMER Aldert, The Netherlands

 

Arcobacter: novel taxa in New Zealand shellfish
ON Stephen, New Zealand

 

Isolation and characterisation of a new species of Campylobacter, C. hepaticus, responsible for Spotty Liver Disease in chickens
MOORE Robert J., Australia

 

The immunopathogenic potential of Arcobacter butzleri – pathogen or commensal?
HEIMESAAT Markus, Germany

 

 


17.30-19.00

Parallel session « Genomic and Evolution 2 »

 

Chairpersons: SHEPPARD Sam, United Kingdom and DE REUSE Hilde, France

 

Keynote :« Genomic and Evolution »
SHEPPARD Sam, United Kingdom

 

Oral communications:

 

Identification of genomic changes associated with invasiveness in Campylobacter jejuni
BIGGS Patrick, New Zealand

 

Genome-wide introgression and epistasis in agricultural Campylobacter coli
MERIC Guillaume, United Kingdom

 

Whole genome comparisons of Campylobacter fetus show benefit of WGS analysis for diagnostics
VAN DER GRAAF Linda

 

Recombination-driven adaptation of Campylobacter jejuni in cattle
MOURKAS Evangelos, United Kingdom

 

 

 

Parallel session «WGS and outbreak investigation»

 

Chairpersons: TAUXE Robert, USA and VAN CAUTERN Dieter, France

 

Oral communications:

 

Using genomics to investigate historic outbreaks of campylobacteriosis in the United Kingdom
BARKER Clare, United Kingdom

 

A human Campylobacter fetus outbreak identified through next generation sequencing
DIUM Brigitta, The Netherlands

 

Whole-genome sequencing of Campylobacter jejuni isolates from patients reveals numerous genetic clusters and possible epidemiologically linked cases
NIELSEN Eva Møller, Denmark

 

Swedish winter peaks of Campylobacter in humans and chicken are connected
SKARIN Hanna, Sweden

 

Ad hoc whole-genome MLST (wgMLST) analysis reveals multiple Campylobacter jejuni clones caused a massive waterborne outbreak in New Zealand in 2016
ZHANG Ji, New Zealand

 

Comparing the genomic epidemiology of two ‘slow-burn’ epidemics of Campylobacter jejuni in New Zealand
FRENCH Nigel, New Zealand

 

 

 

Parallel session «Tutti Campy»


Chairpersons: HADDAD Nabila, France and FEDERIGHI Michel, France


Oral communications:

Caecal microbiome modifications across age in a free-range poultry flock naturally-infected with Campylobacter
OCEJO Medelin, Spain

 

Comparing Québec Campylobacter jejuni from organically and conventionally raised chickens by whole genome sequencing: nothing special to be signalled.
THIBODEAU Alexandre, Canada

 

Transcriptomic and functional evaluation of the small RNA CjNC110 in Campylobacter jejuni
KREUDER Amanda, USA

 

The effect of the timing of exposure to Campylobacter jejuni on the microbiome and inflammatory responses of broiler chickens
CONNESTON Pippa, United Kingdom

 

The river runs through: Understanding the human health risks of Campylobacter jejuni and Campylobacter coli in recreational waters.
BULACH Dieter, Australia

 

Developing a comparative conditional incidence to analyze relationships between local weather and Campylobacter infections in England and Wales
NICHOLS Gordon, United Kingdom

19.30
CHRO 2017 Gala dinner / Announcement of CHRO 2019 host


Thursday, September 14th

9.00–11.00

Plenary session « Epidemiology and Public  Health »

 

Chairpersons: TAUXE Robert, USA and VAN CAUTERN Dieter, France

 

Keynote:
TAUXE Robert, USA

 

Oral communications:

 

Significant Implication of Ruminants in Human campylobacteriosis in France: Three Genotyping Methods for a Same Trend in Source Attribution?
THEPAULT Amandine, France

 

How results of campylobacteriosis case-control/case-case studies vary depending on their design?
RAVEL Andre, Canada

 

Infection pressure by Campylobacter and associated risk factors: a seroepidemiological study in the Netherlands
MUGHINI-GRAS Lapo, The Netherlands

 

Changing diagnostic testing practices and impact on incidence of Campylobacter infection– Foodborne Diseases Active Surveillance Network, USA, 2012-2016
GEISSLER Aimee, USA

 

Risk factors for sporadic Campylobacter infections in Denmark: a case-control study in children and young adults
ETHELBERG Steen, Denmark

 

A combined case-control and molecular source attribution study of human Campylobacter infections in Germany, 2011-2014
ROSNER Bettina, Germany


11.00–12.00
Closing ceremony and passing of the CHRO torch


 

 

Chro2017 - 2016 - Conception : Wanerys - Mention - Contact