A question on mycoplasma

-- at Lil'PeBBleS at -- sci50156 at leonis.nus.sg
Wed Oct 30 02:08:43 EST 1996



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On 26 Oct 1996, Umnarj Paeratakul wrote:

> 
> First let me point out that Mycoplasma is not the 
> same as Mycobacterium.
> 
> 
> In plain language, mycoplasma is a name we call 
> a group of bacteria that has no cell wall ( that 
> other normal bacteria have ).  These bugs are 
> born naturally without cell wall.
> 
> You can manipulate a normal bacteria, so that 
> its cell wall is removed.  These wall-less 
> bacteria are called  "L-forms".  
> 
> Mycobacterium is a name of another group of bacteria.
> These bugs have cell wall althought, a bit different
> than that of normal bacteria.  It has a lot of fatty 
> compounds in it.  Some Mycobacterium can cause disease
>  such as tuberculosis.
  
     The fatty compounds are actually mycolic acids...these mycobacterium
    are unique in that sense as few bacteria contain this kind of fatty
     acid molecules in their cell walls..

      Another point I will like to add is that they are differentiated
       by a special staining technique called Acid-Fast Stain or
     Ziehl-Neelsen Staining...

        They will appear as pinkish red slender rods after staining with
       concentrated carbol fuchsin, flaming  the slide smear for 1-2
       minutes and then counterstained with methylene blue...
 
   
> I think you should check out some basic book 
  on Microbiology.  I found that Tortora, Funk, and Case
> Microbiology is a good start.


        I also recommend any further detailed info. to be obtained
     from the Bergey's Manual Of Systematic Bacteriology...
           Think the newest edition is the 8th one..
   




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