Roger Stephan Selected Research

Staphylococcal Food Poisoning

8/2017	Effect of food-related stress conditions and loss of agr and sigB on seb promoter activity in S. aureus.
1/2017	Reduced Enterotoxin D Formation on Boiled Ham in Staphylococcus Aureus Δagr Mutant.
1/2016	Sequence Variability in Staphylococcal Enterotoxin Genes seb, sec, and sed.
3/2015	Further evidence for staphylococcal food poisoning outbreaks caused by egc-encoded enterotoxins.
11/2011	Comparison of virulence and antibiotic resistance genes of food poisoning outbreak isolates of Staphylococcus aureus with isolates obtained from bovine mastitis milk and pig carcasses.

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Roger Stephan Research Topics

Disease

10	Infections 02/2022 - 12/2003
5	Staphylococcal Food Poisoning 08/2017 - 11/2011
4	Bovine Mastitis 01/2019 - 02/2011
2	Hemolysis 01/2021 - 12/2013
2	Foodborne Diseases 01/2017 - 05/2013
2	Vomiting 03/2015 - 03/2015
2	Diarrhea 03/2015 - 08/2013
1	Cross Infection (Nosocomial Infection) 11/2021
1	Bacterial Infections (Bacterial Infection) 04/2021
1	Bovine Tuberculosis 01/2021
1	Enterobacteriaceae Infections 01/2021
1	Typhoid Fever (Typhoid) 03/2020
1	Necrotizing Pneumonia 01/2020
1	Septic Shock (Toxic Shock Syndrome) 01/2020
1	Tuberculosis (Tuberculoses) 03/2019
1	Meningitis 01/2019
1	Lymphadenitis (Adenitis) 01/2019
1	Crohn Disease (Crohn's Disease) 01/2019
1	Pyelonephritis 12/2018
1	Urinary Tract Infections (Urinary Tract Infection) 01/2017
1	Bacillary Dysentery (Shigellosis) 01/2016
1	Bacteremia 02/2013
1	Growth Disorders 01/2013
1	Chronic Kidney Failure (Chronic Renal Failure) 01/2013
1	Turner Syndrome (Turner's Syndrome) 01/2013
1	Listeriosis (Listeria Infection) 10/2012
1	Mastitis 02/2011
1	Ulcerative Colitis 09/2007
1	Bovine Spongiform Encephalopathy (Mad Cow Disease) 11/2005
1	Campylobacter Infections (Campylobacter Infection) 12/2003

Drug/Important Bio-Agent (IBA)

7	Anti-Bacterial Agents (Antibiotics)IBA 01/2021 - 12/2003
6	Enterotoxins (Enterotoxin)IBA 01/2020 - 11/2011
3	Virulence Factors (Pathogenicity Factors)IBA 12/2021 - 02/2011
2	InterferonsIBA 01/2021 - 03/2019
2	LatexIBA 07/2020 - 02/2011
2	AntigensIBA 03/2019 - 01/2016
2	Anti-Infective Agents (Microbicides)IBA 01/2019 - 01/2016
2	Proteins (Proteins, Gene)FDA Link 01/2019 - 02/2011
2	staphylococcal enterotoxin BIBA 08/2017 - 05/2013
2	spleen fibrinolytic proteinase (human) (SFP)IBA 01/2017 - 11/2011
1	beta-Lactamases (beta-Lactamase)IBA 02/2022
1	FluoroquinolonesIBA 04/2021
1	Phospholipases (Phospholipase)IBA 01/2021
1	Fosfomycin FDA Link 01/2021
1	Muramidase (Lysozyme)IBA 01/2021
1	Immunoglobulin M (IgM)IBA 03/2020
1	Tetracycline (Achromycin)FDA LinkGeneric 01/2020
1	Erythromycin (Erycette)FDA LinkGeneric 01/2020
1	Tuberculin (PPD)IBA 03/2019
1	Penicillins (Penicillin)FDA Link 01/2019
1	AcidsIBA 01/2019
1	Quaternary Ammonium CompoundsIBA 12/2018
1	Disinfectants (Biocides)IBA 12/2018
1	CopperIBA 12/2018
1	Peptide Hydrolases (Proteases)FDA Link 11/2018
1	Matrix Metalloproteinase 9 (Gelatinase B)IBA 11/2018
1	Shiga Toxin (Shigella Toxin)IBA 01/2017
1	Ciprofloxacin (Cipro)FDA LinkGeneric 01/2016
1	Azithromycin (Zithromax)FDA LinkGeneric 01/2016
1	EmeticsIBA 03/2015
1	Staphylococcal enterotoxin DIBA 03/2015
1	SuspensionsIBA 01/2014
1	3- (2'- (spiro- 5- chloroadamantane))- 4- methoxy- 4- (3''- phosphoryloxy)phenyl- 1,2- dioxetane (CSPD)IBA 12/2013
1	Listeria monocytogenes hlyA protein (listeriolysin O)IBA 12/2013
1	PerforinIBA 12/2013
1	Nalidixic Acid FDA Link 08/2013
1	Growth Hormone (Somatotropin)IBA 01/2013
1	Human Growth Hormone (Saizen)FDA LinkGeneric 01/2013
1	ORALIT (ORS)IBA 09/2007
1	GelatinIBA 11/2005

Therapy/Procedure

1	Hand Hygiene 11/2021
1	Therapeutics 01/2021