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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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Publikationstyp
Artikel: Journalartikel
Dokumenttyp
Wissenschaftlicher Artikel
Sprache
englisch
Veröffentlichungsjahr
1994
HGF-Berichtsjahr
0
ISSN (print) / ISBN
1087-0156
e-ISSN
1546-1696
Zeitschrift
Nature Biotechnology
Quellenangaben
Band: 12,
Heft: 2,
Seiten: 165-168
Verlag
Nature Publishing Group
Verlagsort
New York, NY
Begutachtungsstatus
Peer reviewed
Institut(e)
Institute of Biochemical Plant Pathology (BIOP)
Scopus ID
14744303227
Erfassungsdatum
1994-12-31