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  • From: "Sandie Parrott" <rsbirdy@comcast.net>
  • To: "gardenwriters-on-gardening" <gwl-g@lists.ibiblio.org>
  • Subject: Re: [gwl-g] FW: Wild Plant's Gene May Protect Potato Crop
  • Date: Mon, 9 Aug 2004 15:24:56 -0400

Lon,

This sounds like genetic engineering to this neophyte.

Sandie Parrott

----- Original Message -----
From: "Lon J. Rombough" <lonrom@hevanet.com>
To: "Gardenwriters on Gardening" <gwl-g@lists.ibiblio.org>
Sent: Monday, August 09, 2004 2:47 PM
Subject: [gwl-g] FW: Wild Plant's Gene May Protect Potato Crop


> This is somewhat old news, but it's still good to know because even home
> growers need varieties with good resistance. All of this work was done by
> traditional plant breeding, not genetic engineering.
>
> ----------
> From: ARS News Service <NewsService@ars.usda.gov>
> Reply-To: ARS News Service <NewsService@ars.usda.gov>
> Date: Mon, 09 Aug 2004 11:33:01 -0400
> To: ARS News subscriber <lonrom@hevanet.com>
> Subject: Wild Plant's Gene May Protect Potato Crop
>
> STORY LEAD
> Wild Potato's Gene May Protect Vulnerable Spuds
> ___________________________________________
>
> ARS News Service
> Agricultural Research Service, USDA
> Marcia Wood, (301) 504-1662, MarciaWood@ars.usda.gov
> August 9, 2004
> ___________________________________________
>
> America's favorite veggie--the potato--sometimes falls victim to its worst
> enemy, a disease called late blight. But Agricultural Research Service
> scientists have found a promising gene that might help.
>
> Isolated from a wild Mexican potato, Solanum bulbocastanum, the novel Sbul1
> gene may work in concert with other genes to boost the ability of popular,
> domesticated S. tuberosum tubers to shrug off attacks by the fungus-like
> microbe, Phytophthora infestans, that causes late blight.
>
> A team led by ARS plant physiologist William R. Belknap at the Western
> Regional Research Center at Albany, Calif., identified the Sbul1 gene,
> following earlier research by John P. Helgeson, formerly with ARS at
> Madison, Wis.
>
> Helgeson had fused S. bulbocastanum with S. tuberosum potatoes. Then, ARS
> researchers at Aberdeen, Idaho, used samples of these potatoes to develop
> new, experimental tubers that they provided to Belknap.
>
> Each time they crossed, or "hybridized," the Wisconsin potatoes with other
> tubers, the Idaho team lessened the amount of genetic material from the wild
> potato--narrowing the California team's search for the resistance gene.
>
> At Albany, researchers isolated and copied the Sbul1 gene from one of the
> Aberdeen potatoes, then moved the gene into domesticated potatoes for tests
> in the specialized greenhouses of ARS plant pathologist Kenneth L. Deahl in
> Beltsville, Md.
>
> The California group also determined the blueprint, or structure, of the
> Sbul1 gene and pinned down its location within the wild potato's genome.
>
> Deahl's greenhouse tests of the Sbul1-enhanced tubers are being succeeded by
> outdoor trials in the Midwest.
>
> Read more about the research in the August issue of Agricultural Research
> magazine, available online at:
> http://www.ars.usda.gov/is/AR/archive/aug04/potato0804.htm
>
> ARS is the U.S. Department of Agriculture's chief scientific research
> agency.
> ___________________________________________
>
> * This is one of the news reports that ARS Information distributes to
> subscribers on weekdays.
> * Start, stop or change an e-mail subscription at
> www.ars.usda.gov/is/pr/subscribe.htm
> * NewsService@ars.usda.gov | www.ars.usda.gov/news
> * Phone (301) 504-1638 | fax (301) 504-1648
>
>
>
>
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