Help w/ unknown, please! - lauram - Printable Version +- USMLE Forum - Largest USMLE Community (https://www.usmleforum.com) +-- Forum: USMLE Forum (https://www.usmleforum.com/forumdisplay.php?fid=1) +--- Forum: Step 3 (https://www.usmleforum.com/forumdisplay.php?fid=6) +--- Thread: Help w/ unknown, please! - lauram (/showthread.php?tid=851579) |
Help w/ unknown, please! - lauram - ArchivalUser - 05-25-2018 Ok, so I need some help determining what unknown bacteria I have. I cannot repeat any tests. I have two in mind that I'm between but I'm not sure if I should mention them here yet....I would like a fresh perspective with nothing but the results to influence your thinking... Here's what I have: Gram neg rods Not aerobic Positive for glucose fermentation: supported by PRG and TSIA slant results Positive for lactose fermentation: supported by EMB, Litmus Milk, PRL, and TSIA slant results SIM tube: positive for H2S (also positive with PIA and the TSIA slants), positive for indole (also positive with Tryptone broth), positive for motility positive for urease negative for gelatinase negative for deaminase negative for lipase negative for starch hydrolysis/amylase negative for oxidase positive for catalase Nitrates reduced to Nitrites MR positive/VP negative Citrate negative All tests were incubated at 37 C for 1 week...I know many tests are supposed to be incubated at 30 C for 48 hrs. This is how this particular class/school always does it. I'm not sure how much this would skew results. Any help is much appreciated! |