Gram-negative facultative anaerobic rods

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Helicobacter pylori • About 50% of humanity carries H. pylori • Carriage is symptomless in about 80% of cases • Conditions caused by H. pylori - gastritis - ulcer - gastric carcinoma - MALT (mucosa-associated lymphoid tissue) lymphoma
Helicobacter pylori • Culture: sample to be taken into transport medium Isolation: on selective medium (similar to campylobacter agar), at 37 C microaerophilic atmosphere • Diagnosis: urease breath test (UBT) – labelled urea swallowed; exhaled labelled carbondioxide detected detection of antigen in feces (ELISA, latex) detection of antibody from urine or blood (ELISA) isolation of pathogen from gastric biopsy sample – when determination of antibiotic resistance is necessary demonstration of H. pylori DNA in gastric biopsy sample by PCR
Page 1 and 2: The normal gastrointestinal flora G
Page 3 and 4: The normal human gastrointestinal f
Page 5 and 6: Ingestion of lactobacillus strain r
Page 7 and 8: Enterobacteriaceae: most important
Page 9 and 10: Klebsiella pneumoniae Klebsiella ox
Page 11 and 12: Eosin-methylene blue agar Selective
Page 13 and 14: SSI Bi VA Klebsiella DC EM Br
Page 15 and 16: Klebsiella growing on blood agar pl
Page 17 and 18: Serratia marcescens growing on bloo
Page 19 and 20: Uropathogenic E. coli • Causes 90
Page 21 and 22: Enterobacteriaceae: Antibiotic resi
Page 23 and 24: β-lactamase enzymes The most impor
Page 25 and 26: Conditions promoting the developmen
Page 27 and 28: Genetic susceptibility to infection
Page 29 and 30: Enteropathogenic (dyspepsia) E. col
Page 31 and 32: Enteroinvasive E. coli (EIEC) • S
Page 33 and 34: Enteroaggregative E. coli (EAEC)
Page 35 and 36: Vibrionaceae family • Most import
Page 37 and 38: Vibrio cholerae • Natural habitat
Page 39 and 40: Cholera (2) • Diagnosis: isolatio
Page 42 and 43: Other vibrios • Halophile vibrios
Page 44 and 45: Campylobacter - Gram stain
Page 46 and 47: Recorded cases of campylobacterosis
Page 50 and 51: Therapy: Helicobacter pylori - ceph
Page 52 and 53: Helicobacter pylori: pathogenicity
Page 54: Thank you for your attention

Gram-negative facultative anaerobic rods

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