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  Metabolomic markers and physiological adaptations for high phosphate utilization efficiency in rice

Watanabe, M., Ueda, Y., Kondo, K., Ishikawa, S., Tohge, T., Burgos, A., et al. (2020). Metabolomic markers and physiological adaptations for high phosphate utilization efficiency in rice. Plant, Cell and Environment, 43(9), 2066-2079. doi:10.1111/pce.13777.

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Item Permalink: http://hdl.handle.net/21.11116/0000-0006-E5A9-9 Version Permalink: http://hdl.handle.net/21.11116/0000-0006-E5AA-8
Genre: Journal Article

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 Creators:
Watanabe, M.1, Author              
Ueda, Yoshiaki2, Author
Kondo, Katsuhiko2, Author
Ishikawa, Satoru2, Author
Tohge, T.3, Author              
Burgos, A.4, Author              
Brotman, Y.5, Author              
Fernie, A. R.3, Author              
Walther, D.6, Author              
Hoefgen, R.1, Author              
Wissuwa, Matthias2, Author
Affiliations:
1Amino Acid and Sulfur Metabolism, Department Willmitzer, Max Planck Institute of Molecular Plant Physiology, Max Planck Society, ou_1753337              
2External Organizations, ou_persistent22              
3Central Metabolism, Department Willmitzer, Max Planck Institute of Molecular Plant Physiology, Max Planck Society, ou_1753339              
4Small Molecules, Department Willmitzer, Max Planck Institute of Molecular Plant Physiology, Max Planck Society, ou_1753340              
5Genetics of Metabolic Traits, Cooperative Research Groups, Max Planck Institute of Molecular Plant Physiology, Max Planck Society, ou_2497694              
6BioinformaticsCIG, Infrastructure Groups and Service Units, Max Planck Institute of Molecular Plant Physiology, Max Planck Society, ou_1753303              

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Free keywords: antioxidant defense, CO2 assimilation, photosynthetic P efficiency, primary metabolites, Ridge regression, tissue P concentrations
 Abstract: Abstract Utilizing phosphate more efficiently is crucial for sustainable crop production. Highly efficient rice (Oryza sativa) cultivars have been identified and this study aims to identify metabolic markers associated with P utilization efficiency. P deficiency generally reduced leaf P concentrations and CO2 assimilation rates but efficient cultivars were reducing leaf P concentrations further than inefficient ones while maintaining similar CO2 assimilation rates. Adaptive changes in carbon metabolism were detected but equally in efficient and inefficient cultivar groups. Groups furthermore did not differ with respect to partial substitutions of phospholipids by sulfo- and galactolipids. Metabolites significantly more abundant in the efficient group, such as sinapate, benzoate and glucoronate, were related to antioxidant defense and may help alleviating oxidative stress caused by P deficiency. Sugar alcohols ribitol and threitol were another marker metabolite for higher phosphate efficiency as were several amino acids, especially threonine. Since these metabolites are not known to be associated with P deficiency, they may provide novel clues for the selection of more P efficient genotypes. In conclusion, metabolite signatures detected here were not related to phosphate metabolism but rather helped P efficient lines to keep vital processes functional under the adverse conditions of P starvation.

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Language(s): eng - English
 Dates: 2020
 Publication Status: Published in print
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Type: -
 Identifiers: DOI: 10.1111/pce.13777
BibTex Citekey: doi:10.1111/pce.13777
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Title: Plant, Cell and Environment
  Other : Plant, Cell & Environment
Source Genre: Journal
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Publ. Info: Oxford, England : Blackwell Science
Pages: - Volume / Issue: 43 (9) Sequence Number: - Start / End Page: 2066 - 2079 Identifier: ISSN: 0140-7791
CoNE: https://pure.mpg.de/cone/journals/resource/954925471334