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Casein

Casein

(Science: protein) group of proteins isolated from milk. _s and _ caseins are amphipathic polypeptides of around 200 amino acids with substantial hydrophobic c terminal domains that associate to give micellar polymers in divalent cation rich medium. _ casein is a glycoprotein rather different from _ and _ casein.


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Help with unknown

... - EMB plate showed a maroonish color Mannitol and gas + Glucose and gas + Lactose - Phenylalanine - Nitrate to nitrite + Amylase - Protease for casein (Unsure) Gelatin - Urea - Thanks in advance!!

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by kayleighat
Sun Oct 20, 2013 2:43 am
 
Forum: Microbiology
Topic: Help with unknown
Replies: 0
Views: 1377

Help! "Unknown Bacteria" I have no idea where to look =T

Hello Stephanie, M. Luteus does not always give a positive for Gelatin hydrolysis and to make matters worse it can return both results for casein hydrolysis as well. As far as direction to point you in, A litmus milk test would really be the ideal way to get an answer. Your SIM is most likely ...

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by Smaguss
Tue Dec 04, 2012 5:00 am
 
Forum: Microbiology
Topic: Help! "Unknown Bacteria" I have no idea where to look =T
Replies: 1
Views: 2437

Still need help!

... Hydrolysis - SIM Medium - Oxidation-Fermentation + MR/VP +/ - Oxidase - Catalase - EMB inconclusive Phenylalanine Deaminase - MIO - Bile Esculin + Casein Hydrolysis (Milk Plate) - Motility - Wet Hang and Drop - My options for what my bacteria is are: Entercoccus facealis / streptococcus facealis ...

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by ohyesitskim
Sun Oct 28, 2012 6:30 am
 
Forum: Microbiology
Topic: HELPP Please! Unidentifiable Unkown :(
Replies: 1
Views: 1901

HELPP Please! Unidentifiable Unkown :(

... + Catalase + EMB grew but my microbe is gram positive 20120926_185556.jpg 1st side is mine 2nd side is E.coli Phenylalanine Deaminase - MIO - Casein Hydrolysis (Milk Plate) -

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by ohyesitskim
Mon Oct 15, 2012 10:44 pm
 
Forum: Microbiology
Topic: HELPP Please! Unidentifiable Unkown :(
Replies: 1
Views: 1901

Please Help Identify My Unkown Bacteria!!

... Optimum temp: 37C Oxygen Requiremets: Facultative Anerobe Bacillus shape (small rods) gram negative non spore forming not acid fast NEGATIVE for casein, starch hydrolysis Produces acid reaction with litmus milk Fermentaion of sucrose, glucose, lactose & mannitol. All with gas production Positive ...

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by KingsMomi
Tue Jul 31, 2012 3:40 am
 
Forum: Microbiology
Topic: Please Help Identify My Unkown Bacteria!!
Replies: 2
Views: 3573
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