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  Improving plant drought tolerance and growth under water limitation through combinatorial engineering of signaling networks

Schulz, P., Piepenburg, K., Lintermann, R., Herde, M., Schöttler, M. A., Schmidt, L. K., et al. (2021). Improving plant drought tolerance and growth under water limitation through combinatorial engineering of signaling networks. Plant Biotechnology Journal, 19(1), 74-86. doi:10.1111/pbi.13441.

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Schulz, P.1, Author              
Piepenburg, K.1, Author              
Lintermann, Ruth2, Author
Herde, Marco2, Author
Schöttler, M. A.3, Author              
Schmidt, Lena K.2, Author
Ruf, S.1, Author              
Kudla, Jörg2, Author
Romeis, Tina2, Author
Bock, R.1, Author              
Affiliations:
1Organelle Biology and Biotechnology, Department Bock, Max Planck Institute of Molecular Plant Physiology, Max Planck Society, ou_1753326              
2External Organizations, ou_persistent22              
3Photosynthesis Research, Department Bock, Max Planck Institute of Molecular Plant Physiology, Max Planck Society, ou_1753323              

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Free keywords: abiotic stress, Arabidopsis thaliana, Nicotiana tabacum, stress tolerance, synthetic biology, drought stress, water-use efficiency, salt stress
 Abstract: Summary Agriculture is by far the biggest water consumer on our planet, accounting for 70 percent of all freshwater withdrawals. Climate change and a growing world population increase pressure on agriculture to use water more efficiently (‘more crop per drop’). Water-use efficiency (WUE) and drought tolerance of crops are complex traits that are determined by many physiological processes whose interplay is not well understood. Here we describe a combinatorial engineering approach to optimize signaling networks involved in the control of stress tolerance. Screening a large population of combinatorially transformed plant lines, we identified a combination of calcium-dependent protein kinase genes that confers enhanced drought stress tolerance and improved growth under water-limiting conditions. Targeted introduction of this gene combination into plants increased plant survival under drought and enhanced growth under water-limited conditions. Our work provides an efficient strategy for engineering complex signaling networks to improve plant performance under adverse environmental conditions, which does not depend on prior understanding of network function.

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Language(s): eng - English
 Dates: 2021
 Publication Status: Published in print
 Pages: -
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 Table of Contents: -
 Rev. Type: -
 Identifiers: DOI: 10.1111/pbi.13441
BibTex Citekey: doi:10.1111/pbi.13441
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Title: Plant Biotechnology Journal
  Other : Plant Biotechnol. J.
Source Genre: Journal
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Publ. Info: Oxford : Blackwell Pub.
Pages: - Volume / Issue: 19 (1) Sequence Number: - Start / End Page: 74 - 86 Identifier: ISSN: 1467-7644
CoNE: https://pure.mpg.de/cone/journals/resource/110978984569611