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Elevated levels of superoxide dismutase protect transgenic plants against ozone damage.
Nat. Biotechnol. 12, 165-168 (1994)
To evaluate the feasibility of using engineered antioxidant enzymes as an approach to improve the tolerance of plants to ambient stress, we have constructed transgenic tobacco plants that overproduce superoxide dismutase (SOD), an enzyme which converts superoxide radicals into hydrogen peroxide and oxygen, and is believed to play a crucial role in antioxidant defense. We have targeted the MnSOD from Nicotiana plumbaginifolia either to the chloroplasts or to the mitochondria, and evaluated the ozone tolerance of transgenic and control plants. Enhanced SOD activity in the mitochondria had only a minor effect on ozone tolerance. However, overproduction of SOD in the chloroplasts resulted in a 3-4 fold reduction of visible ozone injury.
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Publication type
Article: Journal article
Document type
Scientific Article
Language
english
Publication Year
1994
HGF-reported in Year
0
ISSN (print) / ISBN
1087-0156
e-ISSN
1546-1696
Journal
Nature Biotechnology
Quellenangaben
Volume: 12,
Issue: 2,
Pages: 165-168
Publisher
Nature Publishing Group
Publishing Place
New York, NY
Reviewing status
Peer reviewed
Institute(s)
Institute of Biochemical Plant Pathology (BIOP)
Scopus ID
14744303227
Erfassungsdatum
1994-12-31