Video: Cov kab mob Gram zoo tuaj yeem loj hlob ntawm MacConkey Agar?
2024 Tus sau: Michael Samuels | [email protected]. Kawg hloov kho: 2023-12-16 01:44
Lawv suav nrog ua MacConkey ua xaiv qhov nruab nrab haum rau cais tawm Gram tsis zoo kab mob . Cell phab ntsa ntawm Cov kab mob gram zoo tsis tiv thaiv ob qho tib si ntawm ob qhov sib txuas los ntawm nkag mus rau hauv cov cell. Ob qho tshuaj sib xyaw no yog cov tshuaj tua kab mob, yog li lawv muaj Cov kab mob gram zoo tuaj yeem ua tau tsis loj hlob.
Dhau li, hom kab mob loj npaum li cas ntawm MacConkey Agar?
Nws yog tsim los ntawm cov kua tsib ntsev-nruab nrab liab-lactose agar ntawm MacConkey . Crystal violet thiab ntsev ntsev tau koom nrog MacConkey ua los tiv thaiv kev loj hlob ntawm Gram-positive kab mob thiab fastidious Gram-negative kab mob , xws li Neisseria thiab Pasteurella.
Ib sab saum toj no, puas Staphylococcus loj hlob ntawm MacConkey Agar? STAPHYLOCOCCUS - GRAM POSITIVE BACTERIA yog li nws ua tsis tau loj hlob ntawm macconkey agar ..
Ib sab ntawm qhov no, MacConkey agar tuaj yeem cuam tshuam cov kab mob Gram zoo li cas?
MacConkey Agar (MAC) yog qhov kev xaiv thiab qhov sib txawv nruab nrab tsim los cais tawm thiab sib txawv nkag mus raws li lawv lub peev xwm ferment ferment lactose. Cov kua ntsev thiab kua txiv hmab txiv ntoo txwv kev loj hlob ntawm Gram zoo kab mob. Lactose muab qhov chaw ntawm cov carbohydrates yooj yim, tso cai rau sib txawv.
Puas muaj cov kab mob Gram zoo ferment lactose?
Cov kua nplaum violet thiab cov kua tsib ntsev ua rau cuam tshuam kev loj hlob ntawm Gram - zoo cov kab mob uas tso cai rau kev xaiv thiab cais tawm ntawm gram -tsis zoo kab mob . Enteric kab mob uas muaj peev xwm ua ferment lactose tuaj yeem ua tau yuav kuaj tau siv cov carbohydrates cov lactose , thiab qhov ntsuas pH nruab nrab liab.
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