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  Identification of Enzyme Activity Quantitative Trait Loci in a Solanum lycopersicum X Solanum pennellii Introgression Line Population

Steinhauser, M.-C., Steinhauser, D., Gibon, Y., Bolger, M., Arrivault, S., Usadel, B., et al. (2011). Identification of Enzyme Activity Quantitative Trait Loci in a Solanum lycopersicum X Solanum pennellii Introgression Line Population. Plant Physiology, 157(3), 998-1014. doi:10.1104/pp.111.181594.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0014-20B9-2 Version Permalink: http://hdl.handle.net/11858/00-001M-0000-0019-83B1-8
Genre: Journal Article

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 Creators:
Steinhauser, M.-C.1, Author              
Steinhauser, D.2, 3, Author              
Gibon, Y.1, Author              
Bolger, M.4, Author              
Arrivault, S.1, Author              
Usadel, B.4, Author              
Zamir, D.5, Author
Fernie, A. R.6, Author              
Stitt, M.1, Author              
Affiliations:
1System Regulation, Department Stitt, Max Planck Institute of Molecular Plant Physiology, Max Planck Society, ou_1753327              
2Small Molecules, Department Willmitzer, Max Planck Institute of Molecular Plant Physiology, Max Planck Society, ou_1753340              
3Systems Metabolomics, Department Willmitzer, Max Planck Institute of Molecular Plant Physiology, Max Planck Society, Am Mühlenberg 1, 14476 Potsdam-Golm, DE, ou_1797285              
4Integrative Carbon Biology, Department Stitt, Max Planck Institute of Molecular Plant Physiology, Max Planck Society, ou_1753329              
5External Organizations, ou_persistent22              
6Central Metabolism, Department Willmitzer, Max Planck Institute of Molecular Plant Physiology, Max Planck Society, ou_1753339              

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Free keywords: tomato fruit-development growing potato-tubers arabidopsis-thaliana gene-expression candidate genes functional genomics transcript levels starch synthesis sugar content maize
 Abstract: Activities of 28 enzymes from central carbon metabolism were measured in pericarp tissue of ripe tomato fruits from field trials with an introgression line (IL) population generated by introgressing segments of the genome of the wild relative Solanum pennellii (LA0716) into the modern tomato cultivar S. lycopersicum M82. Enzyme activities were determined using a robotized platform in optimized conditions, where the activities largely reflect the level of the corresponding proteins. Two experiments were analyzed from years with markedly different climate conditions. A total of 27 quantitative trait loci (QTL) were shared in both experiments. Most resulted in increased enzyme activity when a portion of the S. lycopersicum genome was substituted with the corresponding portion of the genome of S. pennellii. This reflects the change in activity between the two parental genotypes. The mode of inheritance was studied in a heterozygote IL population. A similar proportion of QTL (~30%) showed additive, recessive, and dominant modes of inheritance, with only 5% showing overdominance. Comparison with the location of putative genes for the corresponding proteins indicates a large role of trans-regulatory mechanisms. These results point to the genetic control of individual enzyme activities being under the control of a complex program that is dominated by a network of trans-acting genes.

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Language(s): eng - English
 Dates: 2011-09-062011
 Publication Status: Published in print
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Type: -
 Identifiers: ISI: ISI:000296722300004
DOI: 10.1104/pp.111.181594
ISSN: 1532-2548 (Electronic)0032-0889 (Linking)
URI: ://000296722300004http://www.plantphysiol.org/content/157/3/998.full.pdf
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Title: Plant Physiology
  Other : Plant Physiol.
Source Genre: Journal
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Publ. Info: Bethesda, Md. : American Society of Plant Biologists
Pages: - Volume / Issue: 157 (3) Sequence Number: - Start / End Page: 998 - 1014 Identifier: ISSN: 0032-0889
CoNE: https://pure.mpg.de/cone/journals/resource/991042744294438