1. L. 6: Bacteria Domain (III). 2nd Biology ARA 2013-2014 4. Phylum Spirochaetes

2. L. 6: Bacteria Domain (III). 2nd Biology ARA 2013-2014 4. Phylum Spirochaetes

3. L. 6: Bacteria Domain (III). 2nd Biology ARA 2013-2014 4. Phylum Spirochaetes Gram negative Aquatic environments; some pathogens Unique morphology. Endoflagella

4. L. 6: Bacteria Domain (III). 2nd Biology ARA 2013-2014 4. Phylum Spirochaetes Treponema: animal and human hosts, microaerophilic, very sensitive to environmental stress T. pallidum: syphilis

5. L. 6: Bacteria Domain (III). 2nd Biology ARA 2013-2014 5. Phylum Bacteroidetes

6. L. 6: Bacteria Domain (III). 2nd Biology ARA 2013-2014 5. Phylum Bacteroidetes

7. L. 6: Bacteria Domain (III). 2nd Biology ARA 2013-2014 5. Phylum Bacteroidetes Genus Bacteroides Rods, strict anaerobes Fermentative Gut comensals Pathogens Gram negative Complex substrates Habitats: digestive tract, hypersaline environments, water and soil 10 10 – 10 11 Cells per gr in feces

8. L. 6: Bacteria Domain (III). 2nd Biology ARA 2013-2014 5. Phylum Bacteroidetes Rumen metabolism Rumen microbiota

9. L. 6: Bacteria Domain (III). 2nd Biology ARA 2013-2014 5. Phylum Bacteroidetes Cytophaga Abundant in soils and waters Many species degrade cellulose, chitine and/or agar Fish pathogens

10. L. 6: Bacteria Domain (III). 2nd Biology ARA 2013-2014 6. Phylum Actinobacteria

11. L. 6: Bacteria Domain (III). 2nd Biology ARA 2013-2014 6. Phylum Actinobacteria High GC Gram POSITIVES

12. L. 6: Bacteria Domain (III). 2nd Biology ARA 2013-2014 6. Phylum Actinobacteria DIFTERIA Gram positive Corynebacterium C. diphteriae (Diphteric toxin) Anaerobic facultative rods Saprophitic and pathogenic pseudomembrane BBE

13. L. 6: Bacteria Domain (III). 2nd Biology ARA 2013-2014 6. Phylum Actinobacteria Mycolic acids Ziehl-Neelsen staining Mycobacterium Acid fastness

14. L. 6: Bacteria Domain (III). 2nd Biology ARA 2013-2014 6. Phylum Actinobacteria Mycobacterium tuberculosis (Koch’s bacillum) TUBERCULOSIS MULTIDRUG RESISTANT TB!!! BBE

15. L. 6: Bacteria Domain (III). 2nd Biology ARA 2013-2014 6. Phylum Actinobacteria TuberculosisSIDA Tubercles Mycobacterium tuberculosis TUBERCULOSIS Tuberculin test BBE

16. L. 6: Bacteria Domain (III). 2nd Biology ARA 2013-2014

17. 6. Phylum Actinobacteria Mycobacterium leprae LEPROSY (Hansen’s disease) Tuberculoid leprosy Lepromatous leprosy BBE

18. L. 6: Bacteria Domain (III). 2nd Biology ARA 2013-2014 6. Phylum Actinobacteria Filaments without cross-walls Mycellium and spores (conidia - no endospores) G+C range: 63-78% (the highest) > 500 species, soil microbiota Pigments / geosmines Chemoorganoheterotrophic aerobes Antibiotic producers Género Streptomyces Mycelium Spore-bearing structures Spore formation Streptomyces

19. L. 6: Bacteria Domain (III). 2nd Biology ARA 2013-2014 6. Phylum Actinobacteria Streptomyces: antibiotic production Soil sample

20. L. 6: Bacteria Domain (III). 2nd Biology ARA 2013-2014

21. 7. Phylum Chlamydiae

22. L. 6: Bacteria Domain (III). 2nd Biology ARA 2013-2014 7. Phylum Chlamydiae

23. L. 6: Bacteria Domain (III). 2nd Biology ARA 2013-2014 7. Phylum Chlamydiae LIFE CYCLE Gram negativas Obliged intracellular parasites No PG (genes present) “Energetic parasites” (ATP) (genes present) Tansmission: Air and direct contact Elementary body: chlamydiospore

24. L. 6: Bacteria Domain (III). 2nd Biology ARA 2013-2014 7. Phylum Chlamydiae NGU, very high incidence

25. L. 6: Bacteria Domain (III). 2nd Biology ARA 2013-2014