Micro B1 L1 – Flashcards
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streptococcus |
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g + coccus |
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staphlococcus |
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g + coccus |
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corynebacterium |
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g + rod |
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listeria |
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g + rod |
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erysipelothrix |
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g + rod |
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bacillus |
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g + sporulating rod |
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clostridum |
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g + sporulating rod |
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bacillus vs. clostridium: aerobe, anaerobe...? |
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bacillus: obligate aerobe clostridium: obligate anaerobe |
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neisseria |
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g - coccus |
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spirillum |
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g - nonenteric |
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3 proks that are obligate intracellular parasites |
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rickettsia coxiella chlamydia |
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proks without a cell wall |
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mycoplasma ureaplasma |
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do acid fast bacteria have an outer cell membrane? |
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no |
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in proks, _ serves a function similar to that of glycogen in euks |
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poly alpha-hydroxy-butyrate |
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extensions of prokaryotic membrane are aka _ |
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mesosomes |
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cell wall synthesis proteins may be found where? |
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cytoplasmic membrane |
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cell wall is present in all bacteria except _ which includes ... |
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mollicutes (which include mycoplasma and ureaplasma) |
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3 kinds of cells without cell walls |
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spheroplasts (g-) protoplasts (g+) L-forms |
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L-forms are bactera without cell walls produced _ _ by action of _ |
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in vivo antibiotics |
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crosslinkage of peptidoglycan's tetrapeptides is done by enzymes called _ which are the drug target of _ |
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transpeptidases beta-lactams e.g. PCN |
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lysoszyme disrupts _ linkages |
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polysaccharide |
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peptidoglycan structure _ & _ in repeating chains, with _ crosslinkages |
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n-acetyl muraminic acid NAM n-acetyl glucosamine NAG tetrapeptide |
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the outer membrane of g-'s has two Lipo-compounds, one facing out, the other facing in |
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lipopolysaccharide lipoprotein |
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endotoxins vs. exotoxins and heat |
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heat-stable heat-labile |
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lipopolysaccharide is aka _ and includes 3 components |
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endotoxin lipid A core polysaccharide O antigen |
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porins are found where? |
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outer membrane |
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lipoprotein of g- does what? |
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links outer membrane to peptidoglycan layer |
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between outer and cytoplasmic membranes is the _ _ |
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periplasmic space |
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_ _ anchors g+ cell wall to cytoplasmic membrane |
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lipoteichoic acid |
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acid fast bacteria 2 details about their cell envelope |
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thick peptidoglycan layer which contains mycolic acids |
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acid fast bacteria include (4) |
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mycobacteria (e.g. m. tuberculosis and m. leprae) some actinomycetes |
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_ have substances in their cell wall that allow them to survive and grow within macrophages for years |
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Mycobacteria |
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for bacteria to move forward, their flagella rotate _ |
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counterclockwise |
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pili are aka _ |
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fimbriae |
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pili are useful as sex pili, or else for _ (e.g. in _ & _) |
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adherence neisseria gonorrhoeae e coli |
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bacteria with a capsule are protected from phagocytosis and in order for it to occur you need _ which _ it |
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antibodies opsonize |
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encapsulated bacteria examples: 2 with a polysaccharide capsule, 2 with a polypeptide capsule |
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streptococcus pneumoniae, klebsiella pneumoniae bacillus anthracis, yersinia pestis |
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hyaluronidase is notably produced by _ _ |
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staph aureus |
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endospores are only produced by ~ |
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g+ rods of bacillus and clostridium |
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diseases associated with endospores |
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anthrax, tetanus, gas gangrene, botulism |
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sporulation involves 4 changes |
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cortex around DNA drying to <20% water content accumulation of calcium and dipicolinic acid |
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pasteurella |
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g - nonenteric rod |
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brucella |
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g - nonenteric rod |
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yersinia |
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g - nonenteric rod |
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francisella |
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g - nonenteric rod |
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haemophilus |
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g - nonenteric rod |
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bordatella |
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g - nonenteric rod |
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legionella |
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g - nonenteric rod |
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pseudomonas |
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g - enteric rod obligate aerobe |
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bacteriodes |
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g - enteric rod obligate anaerobe |
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fusobacterium |
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g - enteric rod obligate anaerobe |
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mycoplasma |
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g - enteric rod obligate anaerobe |
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e coli |
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g - enteric rod facultative anaerobe |
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shigella |
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g - enteric rod facultative anaerobe |
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klebsiella |
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g - enteric rod facultative anaerobe |
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proteus |
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g - enteric rod facultative anaerobe |
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proteus |
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g - enteric rod facultative anaerobe |
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vibrio |
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g - enteric rod facultative anaerobe |
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spirochetes include (3) |
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treponema borrelia leptospira |
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actinomycetes include (4) |
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mycobacterium actinomyces nocardia streptomyces |
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3 g + nonsporulating rods |
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corynebacterium listeria erysipelothrix |
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10 g - enteric rods |
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e coli salmonella shigella klebsiella proteus vibrio pseudomonas bacteroides fusobacterium mycoplasma |
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8 g - nonenteric rods |
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spirillum pasteurella brucella yersinia francisella haemophilus bordetella legionella |
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g - enteric obligate anaerobes (3) |
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bacteroides fusobacterium mycoplasma |
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g - enteric rod obligate aerobe (1) |
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pseudomonas |