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van Camp, W.I.M.* ; Willekens, H.* ; Bowler, C.* ; Van Montagu, M.C.E.* ; Inze ́, D.G.* ; Reupold-Popp, P. ; Sandermann, H.J. ; Langebartels, C.

Elevated levels of superoxide dismutase protect transgenic plants against ozone damage.

Nat. Biotechnol. 12, 165-168 (1994)
DOI
Open Access Green as soon as Postprint is submitted to ZB.
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
ISSN (print) / ISBN 1087-0156
e-ISSN 1546-1696
Journal Nature Biotechnology
Quellenangaben Volume: 12, Issue: 2, Pages: 165-168 Article Number: , Supplement: ,
Publisher Nature Publishing Group
Publishing Place New York, NY
Reviewing status Peer reviewed
Institute(s) Institute of Biochemical Plant Pathology (BIOP)