Biol 2051 Midterm Microbiology Study Guide -General Microbiology - Lsue

Midterm Micr obiology StudyGuideSpeciesInformation in the Lab ManualStaphylococcus epidermidisGram stain Gram-positivecocci; nonmotile; is halotolerant-Can growin medium salt concentrations but growbestat lowsalt concentrations. itis sensitive to the H2O2scope, chlorox, Ethanol,and L ysol and it isresistant to Listerine and vesphene.Sensitive tostr eptomyces (gram +).Staphylococci, positive gram reaction, no endospores formed; colonymorphology: white, round-shaped, smooth mar gin, convex, opaque,shiny .Spirosoma lingualeGram-negative bacteria in the gram standard.Cocci;staphylococcusarrangement.Bacillus subtilisgram-positive; catalase-positive.Bacillus spaericusHave terminal endosporesBacillus megateriumHas central endospores; lar ge, streptobacillus;grampositive;r od-shaped;does not have flagella. They were usedto contrastEnter obacter aer ogensthat do have flagella. theyform endospores thatare resistant to heat; grow at all exposure times of UV and hightemperature;ar e non-motile(no flagella) and didnot move in theexperiment. colony morphology: colony morphology: Beige, irregularround-ish shaped, makes endospores.Sensitive to Str eptomyces (gram +).Bacillus cereusgram-positive; rod-shaped, aerobic; motile; white, rhizoid-shaped,lobate/filamentous mar gin, flat, opaque, dull. Has endospores.Chlamydomonas reinhardtiipair of flagella at one end of the cell; motile algae.Cytophaga hutchinsoniiaerobic; gram-negativeEscherichia coliUsed withMycobacterium smegmatisto contrast to acid-fastcells (E coliis non-acid fast). Indicator or ganism for fecal contamination in the US.they are coliform that produces lar ge amounts of acid from lactose. OnEMB agar it produces a very dark colony with a metallic green sheen onits surface.A gram-negative r odthat dies