garlic smelling microbe

[David Slomczynski]

In article 
<45EA1063C2F8D211915800204808343B011AEE08 at exchange1.lancs.ac.uk>, 
k.heaton at lancaster.ac.uk says...
> Can anyone think of a bacterium (or fungus) that smells of garlic/onions.  We
> think the smell is coming from the soil.
> 
> Any help would be appreciated
> 
> Karen
> 
> ---
> 
Karen,

That small is probably methylarsines being produced. Many fungi can do 
this conversion. This gas can be considered toxic.

David Slomczynski