FIND

researchers

DISCOVER

relevant articles

PROMOTE

your research

now for free

Roberto La Ragione

Research Profile

Disorders

Physiology

Living Beings

Chemicals & Drugs

Procedures

Microbial Colony Count

Anatomy

Concepts & Ideas

Virulence

Co-author Network

Publications

TOP 3
Luke J Mappley; Alejandro Nunez; Monika A Tchórzewska; Martin J Woodward; Roberto M La Ragione
Evidence for systemic spread of the potentially zoonotic intestinal spirochaete Brachyspira pilosicoli in experimentally challenged laying chickens.
Luke J Mappley; Alejandro Nunez; Monika A Tchórzewska; Martin J Woodward; Peter M Bramley; Roberto M La Ragione
Oral treatment of chickens with Lactobacillus reuteri LM1 reduces Brachyspira pilosicoli-induced pathology.
Roberto M La Ragione; P Townsend; Arun Wangoo; U Weyer; Martin J Woodward; Ilknur Aktan; A Best; Felicity A Clifton-Hadley; W A Cooley; T Crawley; A H Dugdale; L Johnson; A D Wales
Escherichia coli O115 forms fewer attaching and effacing lesions in the ovine colon in the presence of E. coli O157:H7.

Register for free to view:

Visualized networks:

See your personal network in
sophisticated graphical views

GeoTargeted Searches:

Locate experts around the world
and connect with global collaborators

Research Profiles:

See the research activity
of experts around the globe

Geonetwork of Roberto La Ragione (preview)

Cities where this author has publications
Cities where co-authors of this author have publications

Flash Player Required

All Publications

2013: Luke J Mappley; Alejandro Nunez; Monika A Tchórzewska; Martin J Woodward; Roberto M La Ragione
Evidence for systemic spread of the potentially zoonotic intestinal spirochaete Brachyspira pilosicoli in experimentally challenged laying chickens.
Journal of medical microbiology 2013;62(Pt 2):297-302.
2013: Luke J Mappley; Alejandro Nunez; Monika A Tchórzewska; Martin J Woodward; Peter M Bramley; Roberto M La Ragione
Oral treatment of chickens with Lactobacillus reuteri LM1 reduces Brachyspira pilosicoli-induced pathology.
Journal of medical microbiology 2013;62(Pt 2):287-96.
2012: Roberto M La Ragione; P Townsend; Arun Wangoo; U Weyer; Martin J Woodward; Ilknur Aktan; A Best; Felicity A Clifton-Hadley; W A Cooley; T Crawley; A H Dugdale; L Johnson; A D Wales
Escherichia coli O115 forms fewer attaching and effacing lesions in the ovine colon in the presence of E. coli O157:H7.
Research in veterinary science 2012;93(1):42-5.
2012: Ama Szmolka; Muna F Anjum; Eva J Kaszanyitzky; Roberto M La Ragione; Béla Nagy
Microarray based comparative genotyping of gentamicin resistant Escherichia coli strains from food animals and humans.
Veterinary microbiology 2012;156(1-2):110-8.
2012: Luke J Mappley; Julian Parkhill; Nyree D Phillips; A Keith Turner; Martin J Woodward; manal abu oun; Matthew Bellgard; Michael L Black; Alistair C Darby; Roberto M La Ragione; Tom La; David J Hampson
Comparative genomics of Brachyspira pilosicoli strains: genome rearrangements, reductions and correlation of genetic compliment with phenotypic diversity.
BMC genomics 2012;13():454.
2012: Lesley Hoyles; Roberto M La Ragione; Niall A Logan; Gillian Halket; Harue Honda; Anne L McCartney
Recognition of greater diversity of Bacillus species and related bacteria in human faeces.
Research in microbiology 2012;163(1):3-13.
2011: Jose Antonio Escudero; María José Ferrándiz; Marc Galimand; Belen Gutierrez; Laura Hidalgo; Roberto M La Ragione; Alvaro San Millan; manal abu oun; Adela G de la Campa; Lucas Domínguez; Bruno Gonzalez-Zorn
Fluoroquinolone efflux in Streptococcus suis is mediated by SatAB and not by SmrA.
Antimicrobial agents and chemotherapy 2011;55(12):5850-60.
2011: Luke J Mappley; Monika A Tchórzewska; Martin J Woodward; William A Cooley; Roberto M La Ragione
Lactobacilli antagonize the growth, motility, and adherence of Brachyspira pilosicoli: a potential intervention against avian intestinal spirochetosis.
Applied and environmental microbiology 2011;77(15):5402-11.
2011: Leann Clark; Caryn Harward; Suzanne Humphrey; Tom J Humphrey; Katy A Jepson; Roberto M La Ragione; Layla Malt; Isabel Martinez-Argudo; Charlotte A Perrett; Laura J Carney; Mark A Jepson
Differences in Salmonella enterica serovar Typhimurium strain invasiveness are associated with heterogeneity in SPI-1 gene expression.
Microbiology (Reading, England) 2011;157(Pt 7):2072-83.
2011: R A Horton; L P Randall; E L Snary; H Cockrem; S Lotz; H Wearing; D Duncan; A Rabie; I McLaren; E Watson; Roberto M La Ragione; N G Coldham
Fecal carriage and shedding density of CTX-M extended-spectrum {beta}-lactamase-producing escherichia coli in cattle, chickens, and pigs: implications for environmental contamination and food production.
Applied and environmental microbiology 2011;77(11):3715-9.
2011: Nicola J Senior; Mary C Bagnall; Olivia L Champion; Stuart E Reynolds; Roberto M La Ragione; Martin J Woodward; Francisco J Salguero; Richard W Titball
Galleria mellonella as an infection model for Campylobacter jejuni virulence.
Journal of medical microbiology 2011;60(Pt 5):661-9.
2011: Shaun Cawthraw; Jeroen L A Pennings; Hennie M Hodemaekers; Rob de Jonge; Arie Havelaar; Barbara Hoebee; Linda Johnson; Angus Best; Emma Kennedy; Roberto M La Ragione; Diane G Newell; Riny Janssen
Gene expression profiles induced by Salmonella infection in resistant and susceptible mice.
Microbes and infection / Institut Pasteur 2011;13(4):383-93.
2010: Laura E J Searle; William A Cooley; Gareth Jones; Alejandro Nunez; Bentley Crudgington; U Weyer; Alexandra H Dugdale; George Tzortzis; James W Collins; Martin J Woodward; Roberto M La Ragione
Purified galactooligosaccharide, derived from a mixture produced by the enzymic activity of Bifidobacterium bifidum, reduces Salmonella enterica serovar Typhimurium adhesion and invasion in vitro and in vivo.
Journal of medical microbiology 2010;59(Pt 12):1428-39.
2010: J W Collins; N G Coldham; F J Salguero; W A Cooley; W R Newell; R A Rastall; G R Gibson; Martin J Woodward; Roberto M La Ragione
Response of porcine intestinal in vitro organ culture tissues following exposure to Lactobacillus plantarum JC1 and Salmonella enterica serovar Typhimurium SL1344.
Applied and environmental microbiology 2010;76(19):6645-57.
2010: Stephan Huehn; Roberto M La Ragione; Muna Anjum; Mark Saunders; Martin J Woodward; Cornelia Bunge; Reiner Helmuth; Elisabeth Hauser; Beatriz Guerra; Janine Beutlich; Anne Brisabois; Tansy Peters; Linda Svensson; Grzegorz Madajczak; Eva Litrup; Ariel Imre; Silvia Herrera-Leon; Dik Mevius; Diane G Newell; Burkhard Malorny
Virulotyping and antimicrobial resistance typing of Salmonella enterica serovars relevant to human health in Europe.
Foodborne pathogens and disease 2010;7(5):523-35.
2009: Jessica M A Blair; Roberto M La Ragione; Martin J Woodward; Laura J V Piddock
Periplasmic adaptor protein AcrA has a distinct role in the antibiotic resistance and virulence of Salmonella enterica serovar Typhimurium.
The Journal of antimicrobial chemotherapy 2009;64(5):965-72.
2009: Roberto M La Ragione; Angus Best; Martin J Woodward; Andrew D Wales
Escherichia coli O157:H7 colonization in small domestic ruminants.
FEMS microbiology reviews 2009;33(2):394-410.
2009: Arvind Mahajan; Carol G Currie; Shona Mackie; Jai Tree; Sean McAteer; Iain McKendrick; Tom N McNeilly; Andrew Roe; Roberto M La Ragione; Martin J Woodward; David L Gally; David G E Smith
An investigation of the expression and adhesin function of H7 flagella in the interaction of Escherichia coli O157 : H7 with bovine intestinal epithelium.
Cellular microbiology 2009;11(1):121-37.
2009: Angus Best; Derek Clifford; Bentley Crudgington; William A Cooley; Alejandro Nunez; Ben Carter; U Weyer; Martin J Woodward; Roberto M La Ragione
Intermittent Escherichia coli O157:H7 colonisation at the terminal rectum mucosa of conventionally-reared lambs.
Veterinary research 2009;40(1):9.
2008: Sandra Martín-Peláez; Glenn R Gibson; Susana M Martín-Orúe; Annett Klinder; Robert A Rastall; Roberto M La Ragione; Martin J Woodward; Adele Costabile
In vitro fermentation of carbohydrates by porcine faecal inocula and their influence on Salmonella Typhimurium growth in batch culture systems.
FEMS microbiology ecology 2008;66(3):608-19.
2008: Jen-Min Huang; Roberto M La Ragione; William A Cooley; Stephen Todryk; Simon M Cutting
Cytoplasmic delivery of antigens, by Bacillus subtilis enhances Th1 responses.
Vaccine 2008;26(48):6043-52.
2008: Cordula Hemrajani; Olivier Marches; Siouxsie Wiles; Francis Girard; Alison Dennis; Francis Dziva; Angus Best; Alan D Phillips; Cedric N Berger; Aurelie Mousnier; Valerie F Crepin; Laurens Kruidenier; Martin J Woodward; Mark P Stevens; Roberto M La Ragione; Thomas T MacDonald; Gad Frankel
Role of NleH, a type III secreted effector from attaching and effacing pathogens, in colonization of the bovine, ovine, and murine gut.
Infection and immunity 2008;76(11):4804-13.
2008: Stephen T Cartman; Roberto M La Ragione; Martin J Woodward
Bacillus subtilis spores germinate in the chicken gastrointestinal tract.
Applied and environmental microbiology 2008;74(16):5254-8.
2008: Jen-Min Huang; Roberto M La Ragione; Alejandro Nunez; Simon M Cutting
Immunostimulatory activity of Bacillus spores.
FEMS immunology and medical microbiology 2008;53(2):195-203.
2008: Francis Girard; Gad Frankel; Alan D Phillips; William Cooley; Ute Weyer; Alexandra H A Dugdale; Martin J Woodward; Roberto M La Ragione
Interaction of enterohemorrhagic Escherichia coli O157:H7 with mouse intestinal mucosa.
FEMS microbiology letters 2008;283(2):196-202.
2007: Ilknur Aktan; Ben Carter; Hendrik Wilking; Roberto M La Ragione; Lothar H Wieler; Martin J Woodward; Muna F Anjum
Influence of geographical origin, host animal and stx gene on the virulence characteristics of Escherichia coli O26 strains.
Journal of medical microbiology 2007;56(Pt 11):1431-9.
2007: Ilknur Aktan; Roberto M La Ragione; G C Pritchard; Martin J Woodward
Prevalence of attaching and effacing Escherichia coli serogroup O103 in orphan lambs on an open farm in eastern England.
The Veterinary record 2007;161(11):386-7.
2007: Tadasuke Ooka; Mônica A M Vieira; Yoshitoshi Ogura; Lothar Beutin; Roberto M La Ragione; Pauline M van Diemen; Mark P Stevens; Ilknur Aktan; Shaun Cawthraw; Angus Best; Rodrigo T Hernandes; Gladys Krause; Tania Gomes; Tetsuya Hayashi; Gad Frankel
Characterization of tccP2 carried by atypical enteropathogenic Escherichia coli.
FEMS microbiology letters 2007;271(1):126-35.
2007: Alfredo G Torres; Lorena Milflores-Flores; J Gerardo Garcia-Gallegos; Shilpa D Patel; Angus Best; Roberto M La Ragione; Ygnacio Martinez-Laguna; Martin J Woodward
Environmental regulation and colonization attributes of the long polar fimbriae (LPF) of Escherichia coli O157:H7.
International journal of medical microbiology : IJMM 2007;297(3):177-85.
2007: Alan McNally; Roberto M La Ragione; Angus Best; Georgina Manning; Diane G Newell
An aflagellate mutant Yersinia enterocolitica biotype 1A strain displays altered invasion of epithelial cells, persistence in macrophages, and cytokine secretion profiles in vitro.
Microbiology (Reading, England) 2007;153(Pt 5):1339-49.
2007: DF Twomey; Ilknur Aktan; J D Boon; RJ Higgins; Roberto M La Ragione; G D Preston
Streptococcus bovis biotype I meningoencephalitis in an alpaca (Lama pacos) cria.
The Veterinary record 2007;160(10):337-9.
2007: Ilknur Aktan; Roberto M La Ragione; Martin J Woodward
Colonization, persistence, and tissue tropism of Escherichia coli O26 in conventionally reared weaned lambs.
Applied and environmental microbiology 2007;73(3):691-8.
2006: Alan McNally; Tracey Dalton; Roberto M La Ragione; Kenneth Stapleton; Georgina Manning; Diane G Newell
Yersinia enterocolitica isolates of differing biotypes from humans and animals are adherent, invasive and persist in macrophages, but differ in cytokine secretion profiles in vitro.
Journal of medical microbiology 2006;55(Pt 12):1725-34.
2006: Roberto M La Ragione; Angus Best; Derek Clifford; U Weyer; Linda Johnson; RALPH MARSHALL; J Marshall; William A Cooley; S S J Farrelly; Geoffrey R Pearson; Martin J Woodward
Influence of colostrum deprivation and concurrent Cryptosporidium parvum infection on the colonization and persistence of Escherichia coli O157 : H7 in young lambs.
Journal of medical microbiology 2006;55(Pt 7):819-28.
2006: Anthony M Buckley; Mark Webber; Sue W Cooles; Luke P Randall; Roberto M La Ragione; Martin J Woodward; Laura J V Piddock
The AcrAB-TolC efflux system of Salmonella enterica serovar Typhimurium plays a role in pathogenesis.
Cellular microbiology 2006;8(5):847-56.
2006: Angus Best; Roberto M La Ragione; Derek Clifford; William A Cooley; Anthony R Sayers; Martin J Woodward
A comparison of Shiga-toxin negative Escherichia coli O157 aflagellate and intimin deficient mutants in porcine in vitro and in vivo models of infection.
Veterinary microbiology 2006;113(1-2):63-72.
2006: Roberto M La Ragione; Shila Patel; Ben C Maddison; Martin J Woodward; Angus Best; Garry C Whitelam; Kevin C Gough
Recombinant anti-EspA antibodies block Escherichia coli O157:H7-induced attaching and effacing lesions in vitro.
Microbes and infection / Institut Pasteur 2006;8(2):426-33.
2006: D J Hicks; Linda Johnson; S M Mitchell; Julie Gough; William A Cooley; Roberto M La Ragione; Yvonne I Spencer; Arun Wangoo
Evaluation of zinc salt based fixatives for preserving antigenic determinants for immunohistochemical demonstration of murine immune system cell markers.
Biotechnic & histochemistry : official publication of the Biological Stain Commission 2006;81(1):23-30.
2006: Isabella Vlisidou; Francis Dziva; Roberto M La Ragione; Angus Best; juncal garmendia; Pippa Hawes; Paul Monaghan; Shaun Cawthraw; Gad Frankel; Martin J Woodward; Mark P Stevens
Role of intimin-tir interactions and the tir-cytoskeleton coupling protein in the colonization of calves and lambs by Escherichia coli O157:H7.
Infection and immunity 2006;74(1):758-64.
2005: Olivier Marchés; Siouxsie Wiles; Francis Dziva; Roberto M La Ragione; Stephanie Schuller; Angus Best; Alan D Phillips; Elizabeth L Hartland; Martin J Woodward; Mark P Stevens; Gad Frankel
Characterization of two non-locus of enterocyte effacement-encoded type III-translocated effectors, NleC and NleD, in attaching and effacing pathogens.
Infection and immunity 2005;73(12):8411-7.
2005: Roberto M La Ragione; N M Y Ahmed; Angus Best; Derek Clifford; U Weyer; Martin J Woodward
Failure to detect transmission of Escherichia coli O157:H7 from orally dosed nannies to sucking kids at foot.
The Veterinary record 2005;157(21):659-61.
2005: Roberto M La Ragione; N My Ahmed; Angus Best; Derek Clifford; U Weyer; William A Cooley; Linda Johnson; Geoffrey R Pearson; Martin J Woodward
Colonization of 8-week-old conventionally reared goats by Escherichia coli O157 : H7 after oral inoculation.
Journal of medical microbiology 2005;54(Pt 5):485-92.
2005: Roberto M La Ragione; Angus Best; Katherine A Sprigings; E Liebana; G R Woodward; Anthony R Sayers; Martin J Woodward
Variable and strain dependent colonisation of chickens by Escherichia coli O157.
Veterinary microbiology 2005;107(1-2):103-13.
2005: Andrew D Wales; Geoffrey R Pearson; Angus Best; Adrian L Cookson; Roberto M La Ragione; John M Roe; Christine M Hayes; Martin J Woodward
Naturally acquired attaching and effacing Escherichia coli in sheep.
Research in veterinary science 2005;78(2):109-15.
2005: Angus Best; Roberto M La Ragione; Anthony R Sayers; Martin J Woodward
Role for flagella but not intimin in the persistent infection of the gastrointestinal tissues of specific-pathogen-free chicks by shiga toxin-negative Escherichia coli O157:H7.
Infection and immunity 2005;73(3):1836-46.
2005: Andrew D Wales; Geoffrey R Pearson; John M Roe; Christine M Hayes; Roberto M La Ragione; Martin J Woodward
Attaching-effacing lesions associated with Escherichia coli O157:H7 and other bacteria in experimentally infected conventional neonatal goats.
Journal of comparative pathology 2005;132(2-3):185-94.
2005: Teresa M Barbosa; Cláudia R Serra; Roberto M La Ragione; Martin J Woodward; Adriano O Henriques
Screening for bacillus isolates in the broiler gastrointestinal tract.
Applied and environmental microbiology 2005;71(2):968-78.
2005: Sivan Dahan; Siouxsie Wiles; Roberto M La Ragione; Angus Best; Martin J Woodward; Mark P Stevens; Robert K Shaw; Yuwen Chong; Stuart Knutton; Alan Phillips; Gad Frankel
EspJ is a prophage-carried type III effector protein of attaching and effacing pathogens that modulates infection dynamics.
Infection and immunity 2005;73(2):679-86.
2004: AM Barlow; Andrew D Wales; A A Burch; Roberto M La Ragione; Martin J Woodward; Geoffrey R Pearson
Attaching and effacing lesions in the intestines of an adult goat associated with natural infection with Escherichia coli O145.
The Veterinary record 2004;155(25):807-8.
2004: Roberto M La Ragione; Angus Best; Katherine A Sprigings; William A Cooley; M A Jepson; Martin J Woodward
Interaction between attaching and effacing Escherichia coli serotypes O157:H7 and O26:K60 in cell culture.
Veterinary microbiology 2004;104(1-2):119-24.
2004: Roberto M La Ragione; William A Cooley; D D G Parmar; H L Ainsworth
Attaching and effacing Escherichia coli O103:K+:H- in red-legged partridges.
The Veterinary record 2004;155(13):397-8.
2004: Mark P Stevens; Andrew J Roe; Isabella Vlisidou; Pauline M van Diemen; Roberto M La Ragione; Angus Best; Martin J Woodward; David L Gally; Timothy S Wallis
Mutation of toxB and a truncated version of the efa-1 gene in Escherichia coli O157:H7 influences the expression and secretion of locus of enterocyte effacement-encoded proteins but not intestinal colonization in calves or sheep.
Infection and immunity 2004;72(9):5402-11.
2004: P Carroll; Roberto M La Ragione; Anthony R Sayers; Martin J Woodward
The O-antigen of Salmonella enterica serotype Enteritidis PT4: a significant factor in gastrointestinal colonisation of young but not newly hatched chicks.
Veterinary microbiology 2004;102(1-2):73-85.
2004: Ilknur Aktan; Katherine A Sprigings; Roberto M La Ragione; L M Faulkner; G A Paiba; Martin J Woodward
Characterisation of attaching-effacing Escherichia coli isolated from animals at slaughter in England and Wales.
Veterinary microbiology 2004;102(1-2):43-53.
2004: Sarah A Kühne; William S Hawes; Roberto M La Ragione; Martin J Woodward; Garry C Whitelam; Kevin C Gough
Isolation of recombinant antibodies against EspA and intimin of Escherichia coli O157:H7.
Journal of clinical microbiology 2004;42(7):2966-76.
2004: Roberto M La Ragione; Arjan Narbad; Michael J Gasson; Martin J Woodward
In vivo characterization of Lactobacillus johnsonii FI9785 for use as a defined competitive exclusion agent against bacterial pathogens in poultry.
Letters in applied microbiology 2004;38(3):197-205.
2003: Martin J Woodward; Angus Best; Katherine A Sprigings; Geoffrey R Pearson; Andrew M Skuse; Andrew D Wales; Christine M Hayes; John M Roe; J Chris Low; Roberto M La Ragione
Non-toxigenic Escherichia coli O157:H7 strain NCTC12900 causes attaching-effacing lesions and eae-dependent persistence in weaned sheep.
International journal of medical microbiology : IJMM 2003;293(4):299-308.
2003: Roberto M La Ragione; William A Cooley; Philippe Velge; Mark A Jepson; Martin J Woodward
Membrane ruffling and invasion of human and avian cell lines is reduced for aflagellate mutants of Salmonella enterica serotype Enteritidis.
International journal of medical microbiology : IJMM 2003;293(4):261-72.
2003: Roberto M La Ragione; Martin J Woodward
Competitive exclusion by Bacillus subtilis spores of Salmonella enterica serotype Enteritidis and Clostridium perfringens in young chickens.
Veterinary microbiology 2003;94(3):245-56.
2003: Angus Best; Roberto M La Ragione; William A Cooley; C David O'Connor; Phillipe Velge; Martin J Woodward
Interaction with avian cells and colonisation of specific pathogen free chicks by Shiga-toxin negative Escherichia coli O157:H7 (NCTC 12900).
Veterinary microbiology 2003;93(3):207-22.
2003: Ray Williams; RALPH MARSHALL; Roberto M La Ragione; J Catchpole
A new method for the experimental production of necrotic enteritis and its use for studies on the relationships between necrotic enteritis, coccidiosis and anticoccidial vaccination of chickens.
Parasitology research 2003;90(1):19-26.
2002: Roberto M La Ragione; I M McLaren; G Foster; William A Cooley; Martin J Woodward
Phenotypic and genotypic characterization of avian Escherichia coli O86:K61 isolates possessing a gamma-like intimin.
Applied and environmental microbiology 2002;68(10):4932-42.
2002: Roberto M La Ragione; Martin J Woodward
Virulence factors of Escherichia coli serotypes associated with avian colisepticaemia.
Research in veterinary science 2002;73(1):27-35.
2001: Andrew D Wales; Felicity A Clifton-Hadley; Adrian L Cookson; M P Dibb-Fuller; Roberto M La Ragione; Katherine A Sprigings; Geoffrey R Pearson; Martin J Woodward
Experimental infection of six-month-old sheep with Escherichia coli O157:H7.
The Veterinary record 2001;148(20):630-1.
2001: Roberto M La Ragione; G Casula; Simon M Cutting; Martin J Woodward
Bacillus subtilis spores competitively exclude Escherichia coli O78:K80 in poultry.
Veterinary microbiology 2001;79(2):133-42.
2000: Roberto M La Ragione; Anthony R Sayers; Martin J Woodward
The role of fimbriae and flagella in the colonization, invasion and persistence of Escherichia coli O78:K80 in the day-old-chick model.
Epidemiology and infection 2000;124(3):351-63.
2000: Roberto M La Ragione; William A Cooley; Martin J Woodward
The role of fimbriae and flagella in the adherence of avian strains of Escherichia coli O78:K80 to tissue culture cells and tracheal and gut explants.
Journal of medical microbiology 2000;49(4):327-38.
1999: Roberto M La Ragione; R J Collighan; Martin J Woodward
Non-curliation of Escherichia coli O78:K80 isolates associated with IS1 insertion in csgB and reduced persistence in poultry infection.
FEMS microbiology letters 1999;175(2):247-53.