![Staphylococcus aureus puas tsim catalase? Staphylococcus aureus puas tsim catalase?](https://i.answers-medical.com/preview/medical-health/14007174-does-staphylococcus-aureus-produce-catalase-j.webp)
Video: Staphylococcus aureus puas tsim catalase?
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2024 Tus sau: Michael Samuels | [email protected]. Kawg hloov kho: 2023-12-16 01:44
Keeb kwm: Staphylococcus aureus yog ib qho ntawm cov kab mob gram zoo tshaj plaws. Ntawm cov enzyme uas tsim tawm yog catalase uas muaj txiaj ntsig zoo hauv kev sib txawv staphylococci los ntawm streptococci [1]. Catalase yog ze li ntawm txhua qhov ntawm cov kab mob uas tuaj yeem loj hlob thaum muaj cov pa (cua).
Ib yam nkaus, puas yog Staphylococcus aureus catalase zoo lossis tsis zoo?
aureus feem ntau yog hemolytic ntawm cov ntshav agar; S. epidermidis tsis yog hemolytic. Staphylococci yog facultative anaerobes uas loj hlob los ntawm aerobic ua pa los yog los ntawm fermentation uas yields feem ntau lactic acid. Cov kab mob yog catalase - zoo thiab oxidase- tsis zoo.
Tom qab ntawd, lo lus nug yog, puas yog Staphylococcus catalase zoo? Staphylococcus hom yog catalase zoo thiab ua rau lub cev tsis muaj zog, tshwj tsis yog rau S. aureus subsp. anaerobius thiab S. saccharolyticus, uas yog catalase tsis zoo thiab anaerobic.
Ntawm no, Streptococcus puas tsim catalase?
Cov catalase kev sim yog siv los sib txawv staphylococci ( catalase -positive) los ntawm streptococci ( catalase -tsis zoo). Cov enzyme, catalase , yog ua los ntawm cov kab mob uas ua pa siv oxygen, thiab tiv thaiv lawv los ntawm cov tshuaj lom los ntawm cov khoom ntawm cov metabolism hauv oxygen. Kab mob Streptococci ).
Catalase tsim tawm cov kab mob nyob qhov twg?
Pom dav hauv cov kab mob uas nyob hauv qhov muaj cov pa oxygen, catalase tiv thaiv kev sib sau ntawm thiab tiv thaiv cov cell organelles thiab cov ntaub so ntswg los ntawm kev puas tsuaj los ntawm peroxide, uas tsis tu ncua ua los ntawm ntau cov tshuaj tiv thaiv metabolic. Hauv cov tsiaj, catalase yog pom feem ntau hauv lub siab.
Pom zoo:
Puas yog Streptococcus pneumoniae catalase zoo lossis tsis zoo?
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Streptococci yog Gram-positive, catalase-negative, facultatively anaerobic cov kab mob sib sau ua ke lossis ovoid cells tsawg dua 2 micrometers hauv txoj kab uas hla
Yuav kho tus mob Staphylococcus aureus li cas?
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Txoj kev kho tseem ceeb tshaj plaws yog haus dej kom ntau. Koj tus kws kho mob yuav muab tshuaj rau koj kom txo ntuav thiab xeev siab. Cov neeg muaj mob hnyav yuav xav tau cov kua dej tso rau hauv. Tshuaj tua kab mob tsis muaj txiaj ntsig hauv kev kho tus mob no vim tias cov tshuaj lom tsis cuam tshuam los ntawm tshuaj tua kab mob
Puas yog Staphylococcus aureus DNase zoo?
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Tsis tas li ntawd, yim ntawm 32 nuc-positive Staphylococcus aureus cais tawm yog DNase tsis zoo (25%). Rao li al tshaj tawm DNase tsis zoo Staphylococcus aureus tab sis tsis muaj kev piav qhia rau cov kev tshawb pom no [18]. coagulans, uas raws li National Standard Method kuj yog DNase zoo [9]
Puas yog P aeruginosa catalase zoo?
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Pseudomonas muab qhov tsis zoo Voges Proskauer, indole thiab methyl liab kuaj, tab sis qhov kev ntsuas catalase zoo. Thaum qee hom tsiaj qhia pom qhov tsis zoo hauv kev ntsuas oxidase, feem ntau hom, suav nrog P. aeruginosa4, quinolobactin (daj, ntsuab tsaus nyob hauv cov hlau, siderophore) los ntawm P
Puas Staphylococcus epidermidis tsim spores?
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Staphylococci yog cov kab mob microbiologically uas yog gram-positive (hauv cov kab lis kev cai hluas), tsis tsim cov kab mob, tsis muaj zog, tsis muaj zog anaerobes (tsis xav tau oxygen). Qhov tseem ceeb rau tib neeg yog ntau hom kab mob S. aureus thiab S. epidermidis