Microbial humic acid degradation

[Paul A. Vescio]

I don't know about degradation but I know that humic acids are a real pain
to remove when you try to extract microbial community DNA from soils and
sediments


In Article <9409072311.AA03271 at shaddam.usb.ve>, hcampos at SHADDAM.USB.VE
(Honorio Americo Campos) wrote:
>                        Dear bug-fans
>
>   I am working on my Phd project, I plan to study fresh-water
>microbiology on 
>the Orinoco bassin, in Venezuela, South-America.  Some of these waters
>have high
>contents of dissolved humic acids (H.A.), polimers of highly
>refractary organic 
>material.  Otherwise, these are oligotrophic waters, poor in
>nutrients.  One 
>would tend to expect some kind of bacterial adaptation for taking
>advantage of 
>these H.A.  In a preliminary literature research I did not come across
>anything 
>related to the subject.  Would be anybody around working on these
>subjects?  Any
>comment or references are welcomed.
>
>Miguel Villegas
>hcampos at usb.ve
> 
--------------------------------------------------------------------------------
Paul A. Vescio                      
Biology Dept.
Rensselaer Polytechnic Institute

!!New York Rangers  Stanley Cup Champions 1994!!