Video: Puas yog Bacillus cereus acid nrawm nrawm lossis tsis zoo?
2024 Tus sau: Michael Samuels | [email protected]. Kawg hloov kho: 2023-12-16 01:44
(Cov xim daj qhia tias kua qaub yog tsim los ntawm mannitol.) B . cereus cov kab mob feem ntau yog lecithinase- zoo thiab mannitol- tsis zoo ntawm MYP agar.
Ua qhov no hauv kev txiav txim siab, puas yog Bacillus cereus acid nrawm nrawm?
Cov ntsiab lus: Bacillus cereus yog Gram- zoo aerobic lossis facultatively anaerobic, motile, spore-forming, tus pas zoo li tus kab mob uas tau nthuav dav faib ib puag ncig.
Tsis tas li ntawd, Bacillus cereus noj tshuaj lom ntau npaum li cas? Bacillus cereus yog cov kab mob ua cov tshuaj lom uas yog ib qho ntawm feem ntau ntau vim zaub mov lom , kuj hu ua "fried rice syndrome." Kwv yees li ntawm 63,000 qhov xwm txheej ntawm zaub mov lom tshwm sim los ntawm B . cereus tshwm sim txhua xyoo hauv Asmeskas, raws li tsab xov xwm 2019 luam tawm hauv phau ntawv xov xwm Frontiers hauv Microbiology.
Tib neeg kuj nug, puas yog Bacillus cereus oxidase zoo lossis tsis zoo?
Physiological thiab Biochemical yam ntxwv ntawm SW7-1 SW7-1 yog aerobic thiab motile. Nws yog zoo rau urease, catalase, oxidase , deoxidization ntawm nitrate, thiab Voges-Proskauer cov tshuaj tiv thaiv. Txawm li cas los xij, nws yog tsis zoo rau methyl liab, indole, H2S ntau lawm, thiab tshuaj ntsuam phenylalanine deaminase cov tshuaj tiv thaiv.
Bacillus cereus feem ntau pom nyob qhov twg?
Bacillus cereus yog Gram-positive, zoo li tus pas nrig, ua kom lub cev tsis muaj zog, muaj zog, beta-hemolytic, spore tsim cov kab mob feem ntau pom hauv av thiab zaub mov.
Pom zoo:
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