Salmonella introduction

[@sumi1302]

S.typhi are non lactose fermenting, hence colourless colonies on Mac Conkey's agar

[@timothyvakatawa7371]

Not all salmonella species have pinkish-red colonies on MacConkey's ! Salmonella typhi for example , as a Non Lactose Fermenter , it is usually colorless and tiny as compared to the pinkish-red colonies formed by E.coli ! On Xylose Lysine Deoxycholate agar though , it appears red with H2S (black) production on the center of the colonies !

[@blackparade140]

Thank you!

[@Thinker-gd8ck]

Yeah, also show black colonies in Hektoen enteric agar and Bismuth sulfite agar.

[@nainakhan2576]

Sir please make video on Salmonella bongori.

[@miskihassan486]

sir i need food born intoxication how many bacteria can cause plz make this vedio

[@ganeshkolapkar3189]

do u have anatomy ...physio and biochem lecture series

[@shomusbiologyofficial]

+ganesh kolapkar yes I have separate video Playlists for those topics

[@ganeshkolapkar3189]

Is it available on you tube

[@Ranjitapoudel]

Thanks 😊

[@shomusbiologyofficial]

You're welcome

[@alkajangra4414]

If it is lactose - ve ,how can give pink color???

[@sumanrajbahak3540]

I believe ,as you said salmonella are lac negative, they should not give pink colonies.

[@mairarubab7100]

they sometime uptake color of media because they them self are colorless

[@abderrahmanebamba4264]

fait une vidéo sur salmonelle de commentaire français