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  Mode of inheritance of primary metabolic traits in tomato

Schauer, N., Semel, Y., Balbo, I., Steinfath, M., Repsilber, D., Selbig, J., et al. (2008). Mode of inheritance of primary metabolic traits in tomato. The Plant Cell, 20(3), 509-523. doi:10.1105/tpc.107.056523.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0014-26A3-F Version Permalink: http://hdl.handle.net/11858/00-001M-0000-0019-854A-2
Genre: Journal Article

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 Creators:
Schauer, N.1, Author              
Semel, Y.2, Author
Balbo, I.1, Author              
Steinfath, M.3, Author              
Repsilber, D.3, Author              
Selbig, J.3, Author              
Pleban, T.2, Author
Zamir, D.2, Author
Fernie, A. R.1, Author              
Affiliations:
1Central Metabolism, Department Willmitzer, Max Planck Institute of Molecular Plant Physiology, Max Planck Society, ou_1753339              
2External Organizations, ou_persistent22              
3BioinformaticsCRG, Cooperative Research Groups, Max Planck Institute of Molecular Plant Physiology, Max Planck Society, ou_1753315              

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Free keywords: interspecific introgression lines chromatography-mass spectrometry quantitative trait natural variation arabidopsis-thaliana qtl analysis fruit size lycopersicon-pennellii genetic-variation plant-metabolism
 Abstract: To evaluate components of fruit metabolic composition, we have previously metabolically phenotyped tomato (Solanum lycopersicum) introgression lines containing segmental substitutions of wild species chromosome in the genetic background of a cultivated variety. Here, we studied the hereditability of the fruit metabolome by analyzing an additional year's harvest and evaluating the metabolite profiles of lines heterozygous for the introgression (ILHs), allowing the evaluation of putative quantitative trait locus (QTL) mode of inheritance. These studies revealed that most of the metabolic QTL (174 of 332) were dominantly inherited, with relatively high proportions of additively (61 of 332) or recessively (80 of 332) inherited QTL and a negligible number displaying the characteristics of overdominant inheritance. Comparison of the mode of inheritance of QTL revealed that several metabolite pairs displayed a similar mode of inheritance of QTL at the same chromosomal loci. Evaluation of the association between morphological and metabolic traits in the ILHs revealed that this correlation was far less prominent, due to a reduced variance in the harvest index within this population. These data are discussed in the context of genomics-assisted breeding for crop improvement, with particular focus on the exploitation of wide biodiversity.

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Language(s): eng - English
 Dates: 2008-03-282008
 Publication Status: Published in print
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 Table of Contents: -
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 Identifiers: ISI: ISI:000256415500006
DOI: 10.1105/tpc.107.056523
ISSN: 1040-4651 (Print)1040-4651 (Linking)
URI: ://000256415500006http://www.plantcell.org/content/20/3/509.full.pdf
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Title: The Plant Cell
  Abbreviation : Plant C
Source Genre: Journal
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Publ. Info: Rockville : American Society of Plant Physiologists
Pages: - Volume / Issue: 20 (3) Sequence Number: - Start / End Page: 509 - 523 Identifier: Other: 1532-298X
CoNE: https://pure.mpg.de/cone/journals/resource/1532-298X