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Domestication rewired gene expression and nucleotide diversity patterns in tomato
INRA, Gen & Ameliorat Fruits & Legumes, UR1052, Domaine St Maurice 67 Allee Chenes CS 60094, F-84143 Montfavet, France..
Univ Paris Saclay, INRA, GABI, AgroParisTech, F-78350 Jouy En Josas, France..
INRA, Gen & Ameliorat Fruits & Legumes, UR1052, Domaine St Maurice 67 Allee Chenes CS 60094, F-84143 Montfavet, France..
INRA, Gen & Ameliorat Fruits & Legumes, UR1052, Domaine St Maurice 67 Allee Chenes CS 60094, F-84143 Montfavet, France..
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2017 (English)In: The Plant Journal, ISSN 0960-7412, E-ISSN 1365-313X, Vol. 91, no 4, 631-645 p.Article in journal (Refereed) Published
Abstract [en]

Plant domestication has led to considerable phenotypic modifications from wild species to modern varieties. However, although changes in key traits have been well documented, less is known about the underlying molecular mechanisms, such as the reduction of molecular diversity or global gene co-expression patterns. In this study, we used a combination of gene expression and population genetics in wild and crop tomato to decipher the footprints of domestication. We found a set of 1729 differentially expressed genes (DEG) between the two genetic groups, belonging to 17 clusters of co-expressed DEG, suggesting that domestication affected not only individual genes but also regulatory networks. Five co-expression clusters were enriched in functional terms involving carbohydrate metabolism or epigenetic regulation of gene expression. We detected differences in nucleotide diversity between the crop and wild groups specific to DEG. Our study provides an extensive profiling of the rewiring of gene co-expression induced by the domestication syndrome in one of the main crop species.

Place, publisher, year, edition, pages
WILEY , 2017. Vol. 91, no 4, 631-645 p.
Keyword [en]
domestication, gene co-expression, comparative genomics, selective sweep, tomato
National Category
Biological Sciences
Identifiers
URN: urn:nbn:se:uu:diva-333720DOI: 10.1111/tpj.13592ISI: 000407011100006PubMedID: 28488328OAI: oai:DiVA.org:uu-333720DiVA: diva2:1157532
Available from: 2017-11-16 Created: 2017-11-16 Last updated: 2017-11-16Bibliographically approved

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Glemin, Sylvain

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