need information on agrobacterium tumefaciens

Andrew Bishop abishop at
Fri Feb 9 08:37:55 EST 1996

On Thu, 8 Feb 1996, JMdS.96 wrote:

>    The person who wrote this "Need help !" thing, is probably out
> of primary school ... and doesn't know that the microorganism in
> question is actually benefic to the plant !
>    Agrobacterium tumefaciens, produces nodules on plant roots, and 
> may be very useful in capturing atmospheric Nitrogen !
>    Or am I worng ?
Yes, you are wrong.  It is a plant pathogen, causing diasease in a 
very large number of plant families.   It causes tumors that are 
unsightly and interfere with normal plant physiological functions.  It is 
a significant economic problem in a number of tree, vine, and 
ornamental crops.  Recently (15 years) the subject of great interest as a 
vector for genetic transformation of plants (genetic engineering), as it 
performs a genetic transformation on plants as part of its disease process.

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