Clostridium botulinus C. butyricum C. aceticum C. tetani C. putrificum Bacillus subtilis, B. Mycoides B. Pastturii B. megaterium B. Thuringiensis B. Anthracis B. Botulinus B. cereus Spore-forming rod shaped bacteria Almost all Spore-forming bacteria are Gram+ Clostridium – Anaerobic Bacillus – Aerobic
Clostridium botulinus C. butyricum C. aceticum C. tetani C. putrificum Bacillus subtilis, B. Mycoides B. Pastturii B. megaterium B. Thuringiensis B. Anthracis B. Botulinus B. cereus Spore-forming rod shaped bacteria Almost all Spore-forming bacteria are Gram+ Clostridium – Anaerobic Bacillus – Aerobic
Nonspore - forming rod shaped bacteria Most nonspore – forming rod shaped bacteria are GramRepresentatives: Escherchia coli Alcaligenes Proteus Flavobacteria Pseudomonas Rhizobium Azotobacter
Nonspore - forming rod shaped bacteria Most nonspore – forming rod shaped bacteria are GramRepresentatives: Escherchia coli Alcaligenes Proteus Flavobacteria Pseudomonas Rhizobium Azotobacter
Vibrio, Spirillum and Spirochete Some bacteria are shaped like long rods twisted into spirals or helices; they are called vibrios (like commas or incomplete spirals), spirilla if rigid and spirochetes when flexable. vibrio spirillum spirochete
Vibrio, Spirillum and Spirochete Some bacteria are shaped like long rods twisted into spirals or helices; they are called vibrios (like commas or incomplete spirals), spirilla if rigid and spirochetes when flexable. vibrio spirillum spirochete
Actinomycetes Actinomycetes are filamentous bacteria. Their morphology resembles that of the filamentous fungi; however, the filaments of actinomycetes consist of procaryotic cells. Some actinomycetes resemble molds by forming externally carried asexual spores for reproduction. Filamentous, High G + C content, Gram-positive (63 – 78% GC)
Actinomycetes Actinomycetes are filamentous bacteria. Their morphology resembles that of the filamentous fungi; however, the filaments of actinomycetes consist of procaryotic cells. Some actinomycetes resemble molds by forming externally carried asexual spores for reproduction. Filamentous, High G + C content, Gram-positive (63 – 78% GC)