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Synthesis and impor...
Synthesis and import of GDP-l-fucose into the Golgi affect plant–water relations
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Waszczak, Cezary (author)
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Yarmolinsky, Dmitry (author)
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Leal Gavarrón, Marina (author)
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Vahisalu, Triin (author)
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Sierla, Maija (author)
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Zamora, Olena (author)
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Carter, Ross (author)
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Puukko, Tuomas (author)
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Sipari, Nina (author)
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Lamminmäki, Airi (author)
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Durner, Jörg (author)
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Ernst, Dieter (author)
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Winkler, J. Barbro (author)
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Paulin, Lars (author)
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Auvinen, Petri (author)
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Fleming, Andrew J. (author)
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- Andersson, Mats X., 1977 (author)
- Gothenburg University,Göteborgs universitet,Institutionen för biologi och miljövetenskap,Department of Biological and Environmental Sciences
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Kollist, Hannes (author)
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Kangasjärvi, Jaakko (author)
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(creator_code:org_t)
- 2023
- 2023
- English.
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In: New Phytologist. - 0028-646X .- 1469-8137. ; 241:2, s. 747-63
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https://doi.org/10.1...
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Abstract
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- Land plants evolved multiple adaptations to restrict transpiration. However, the underlying molecular mechanisms are not sufficiently understood. We used an ozone-sensitivity forward genetics approach to identify Arabidopsis thaliana mutants impaired in gas exchange regulation. High water loss from detached leaves and impaired decrease of leaf conductance in response to multiple stomata-closing stimuli were identified in a mutant of MURUS1 (MUR1), an enzyme required for GDP-l-fucose biosynthesis. High water loss observed in mur1 was independent from stomatal movements and instead could be linked to metabolic defects. Plants defective in import of GDP-l-Fuc into the Golgi apparatus phenocopied the high water loss of mur1 mutants, linking this phenotype to Golgi-localized fucosylation events. However, impaired fucosylation of xyloglucan, N-linked glycans, and arabinogalactan proteins did not explain the aberrant water loss of mur1 mutants. Partial reversion of mur1 water loss phenotype by borate supplementation and high water loss observed in boron uptake mutants link mur1 gas exchange phenotypes to pleiotropic consequences of l-fucose and boron deficiency, which in turn affect mechanical and morphological properties of stomatal complexes and whole-plant physiology. Our work emphasizes the impact of fucose metabolism and boron uptake on plant–water relations.
Subject headings
- NATURVETENSKAP -- Biologi -- Genetik (hsv//swe)
- NATURAL SCIENCES -- Biological Sciences -- Genetics (hsv//eng)
- NATURVETENSKAP -- Biologi -- Botanik (hsv//swe)
- NATURAL SCIENCES -- Biological Sciences -- Botany (hsv//eng)
- NATURVETENSKAP -- Biologi -- Cellbiologi (hsv//swe)
- NATURAL SCIENCES -- Biological Sciences -- Cell Biology (hsv//eng)
Keyword
- cell wall
- fucose metabolism
- plant–water relations
- rhamnogalacturonan II
- stomata
Publication and Content Type
- ref (subject category)
- art (subject category)
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- By the author/editor
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Waszczak, Cezary
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Yarmolinsky, Dmi ...
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Leal Gavarrón, M ...
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Vahisalu, Triin
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Sierla, Maija
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Zamora, Olena
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show more...
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Carter, Ross
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Puukko, Tuomas
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Sipari, Nina
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Lamminmäki, Airi
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Durner, Jörg
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Ernst, Dieter
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Winkler, J. Barb ...
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Paulin, Lars
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Auvinen, Petri
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Fleming, Andrew ...
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Andersson, Mats ...
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Kollist, Hannes
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Kangasjärvi, Jaa ...
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show less...
- About the subject
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Biological Scien ...
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and Genetics
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Biological Scien ...
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and Botany
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Biological Scien ...
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and Cell Biology
- Articles in the publication
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New Phytologist
- By the university
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University of Gothenburg