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  Enzyme Activity Profiles during Fruit Development in Tomato Cultivars and Solanum pennellii

Steinhauser, M.-C., Steinhauser, D., Koehl, K. I., Carrari, F., Gibon, Y., Fernie, A. R., et al. (2010). Enzyme Activity Profiles during Fruit Development in Tomato Cultivars and Solanum pennellii. Plant Physiology, 153(1), 80-98. doi:10.1104/pp.110.154336.

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Steinhauser, M.-C.1, Autor           
Steinhauser, D.2, 3, Autor           
Koehl, K. I.4, Autor           
Carrari, F.5, Autor           
Gibon, Y.1, Autor           
Fernie, A. R.5, Autor           
Stitt, M.1, Autor           
Affiliations:
1System Regulation, Department Stitt, Max Planck Institute of Molecular Plant Physiology, Max Planck Society, ou_1753327              
2Systems Metabolomics, Department Willmitzer, Max Planck Institute of Molecular Plant Physiology, Max Planck Society, ou_1797285              
3Small Molecules, Department Willmitzer, Max Planck Institute of Molecular Plant Physiology, Max Planck Society, Am Mühlenberg 1, 14476 Potsdam-Golm, DE, ou_1753340              
4Plant Cultivation and Transformation, Infrastructure Groups and Service Units, Max Planck Institute of Molecular Plant Physiology, Max Planck Society, ou_1753305              
5Central Metabolism, Department Willmitzer, Max Planck Institute of Molecular Plant Physiology, Max Planck Society, ou_1753339              

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Schlagwörter: growing potato-tubers interspecific introgression lines quantitative trait loci carbohydrate-metabolism transcript levels starch synthesis sink metabolism candidate genes lycopersicon-esculentum arabidopsis rosettes
 Zusammenfassung: Enzymes interact to generate metabolic networks. The activities of more than 22 enzymes from central metabolism were profiled during the development of fruit of the modern tomato cultivar Solanum lycopersicum 'M82' and its wild relative Solanum pennellii (LA0716). In S. pennellii, the mature fruit remains green and contains lower sugar and higher organic acid levels. These genotypes are the parents of a widely used near introgression line population. Enzymes were also profiled in a second cultivar, S. lycopersicum 'Moneymaker', for which data sets for the developmental changes of metabolites and transcripts are available. Whereas most enzyme activities declined during fruit development in the modern S. lycopersicum cultivars, they remained high or even increased in S. pennellii, especially enzymes required for organic acid synthesis. The enzyme profiles were sufficiently characteristic to allow stages of development and cultivars and the wild species to be distinguished by principal component analysis and clustering. Many enzymes showed coordinated changes during fruit development of a given genotype. Comparison of the correlation matrices revealed a large overlap between the two modern cultivars and considerable overlap with S. pennellii, indicating that despite the very different development responses, some basic modules are retained. Comparison of enzyme activity, metabolite profiles, and transcript profiles in S. lycopersicum 'Moneymaker' revealed remarkably little connectivity between the developmental changes of transcripts and enzymes and even less between enzymes and metabolites. We discuss the concept that the metabolite profile is an emergent property that is generated by complex network interactions.

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Sprache(n): eng - English
 Datum: 2010-03-262010
 Publikationsstatus: Erschienen
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 Identifikatoren: ISI: ISI:000277239900007
DOI: 10.1104/pp.110.154336
ISSN: 1532-2548 (Electronic)0032-0889 (Linking)
URI: ://000277239900007http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2862428/pdf/80.pdf?tool=pmcentrez
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Titel: Plant Physiology
  Andere : Plant Physiol.
Genre der Quelle: Zeitschrift
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Ort, Verlag, Ausgabe: Bethesda, Md. : American Society of Plant Biologists
Seiten: - Band / Heft: 153 (1) Artikelnummer: - Start- / Endseite: 80 - 98 Identifikator: ISSN: 0032-0889
CoNE: https://pure.mpg.de/cone/journals/resource/991042744294438