Keshav Khanduri’s Post

Streak plate of Escherichia coli and on MacConkey agar. 🧫 Microorganisms grow on this selective media because they are gram-negative non-fastidious rods.🦠 Growth of E. coli, which ferments lactose, appears red/pink on the agar.😍💫

Test for absence of bile tolerant gram negative bacteria in product 🌹Prepare 1:10 sample dilution by add 1g or 1 ml to 10 ml of TSB, and Incubate at 20 - 25 C for 2-5 h 🌹Transfer 1ml from TSB into 100ml of mossel entrobacteriaceae enrichment broth ( MEEB) onto surface of violet red bile glucose (VRBG), Incubate at 30 - 35C for 18-24 hr 👉👉👉👉Observation 🎯Presence red colonies surrounded by reddish precipitate 🎯NO growth, product complies with test for absence of bile tolerant gram negative bacteria

How to investigate and detect ESBL bacteria from srnsitivity Plate!!!! https://lnkd.in/dzhijzqp Easy short video illustration

can I you identify the bacteria with this morphological appearance on chocolate agar

How to investigate and detect ESBL bacteria from srnsitivity Plate!!!! https://lnkd.in/dzhijzqp Easy short video illustration

#tipoftheday! Biofouling Tip #10 : Many individual bacteria will not pass through a Silt Density Index (#SDI) pad. Multiple bacteria stuck together in a mass will certainly not pass through an SDI pad. Remember that high SDI values can be a sign of #biofouling.

salmonella detection 25 g : 1️⃣ weight the sample 25 g and add primary Enrichment ( pre warming BPW at 37_40c°) 225ml *If the sample is chocolate 🍫 or cocoa powder the primary enrichment is (UHT Milk ) and we add 0.45 ml brilliant green solution for initial suspension 250ml and leave the sample at lab temperature for 20_30 min and homogenise by stomacher (#BAM_Method ) 2️⃣ Incubate the primary Enrichment at 37 c° for 18_20h 3️⃣ transfer step for selective Enrichment: - transfer 0.1ml into tube contain 10 ml RVS broth and incubate at 41.5c° for 24 h - Transfer 1 ml into tube contain 10 ml MKTTN and incubate at 37 c° for 24 h 4️⃣ after incubation Streaking on XLD and SS agar and incubate at 37 c° For 24 h *️⃣ Typical colonies of Salmonella are Red colonies with black center

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We report here a multigenerational memory in Escherichia coli swarming motility, where bacteria “remember” their swarming experience for several generations. To Cool! https://lnkd.in/gSJNGpHb