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Science 9 October 1998:
Vol. 282. no. 5387, pp. 252 - 253
DOI: 10.1126/science.282.5387.252
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Perspectives

BOTANY:
A Plant's Dilemma

Erwin Grill and Hubert Ziegler

Plants absorb water through their roots, then expel it through pores (stomata) in their leaves. In their Perspective, Grill and Ziegler explain that in times of drought, closing the stomata can help a plant conserve water. Thus, the finding in this week's issue by Pei et al. --that mutation of a gene encoding a protein-modifying enzyme can cause a plant to close its stomata more easily--may point the way to limitation of water loss by plants, a tremendous economic benefit in arid regions.

The authors are at the Lehrstuhl für Botanik, Technische Universität München, 80333 Munich, Germany. E-mail: grill{at}botanik.biologie.tu-muenchen.de

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THIS ARTICLE HAS BEEN CITED BY OTHER ARTICLES:
Fibrillin expression is regulated by abscisic acid response regulators and is involved in abscisic acid-mediated photoprotection.
Y. Yang, R. Sulpice, A. Himmelbach, M. Meinhard, A. Christmann, and E. Grill (2006)
PNAS 103, 6061-6066
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Field Studies of Crop Response to Water and Salt Stress.
U. Shani and L. M. Dudley (2001)
Soil Sci. Soc. Am. J. 65, 1522-1528
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Science. ISSN 0036-8075 (print), 1095-9203 (online)