Evidence map›Paper›PMID 24350702›Full record

ArticleBMC plant biology2013

New stable QTLs for berry weight do not colocalize with QTLs for seed traits in cultivated grapevine (Vitis vinifera L.).

Agnès Doligez, Yves Bertrand, Marc Farnos, Michel Grolier, Charles Romieu, Florence Esnault, Sonia Dias, Gilles Berger, Pierre François, Thierry Pons and 7 more

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Article in BMC plant biology, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 48 papers.

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48citing papers in PubMed
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3 · Its place in the literature

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48 citing papers in PubMed.

  1. Article
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  8. Marker-Assisted Selection in Breeding for Fruit Trait Improvement: A Review.International journal of molecular sciences · 2023
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  13. Genetic changes in the genusFrontiers in plant science · 2022
    Review
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5 · Who and what money

Authors and funding

17 authors.

Agnès DoligezINRA, UMR AGAP, Batiment 21 2 place Viala, F-34060 Montpellier Cedex 1, France. doligez@supagro.inra.fr.
Yves Bertrand
Marc Farnos
Michel Grolier
Charles Romieu
Florence Esnault
Sonia Dias
Gilles Berger
Pierre François
Thierry Pons
Patrick Ortigosa
Catherine Roux
Cléa Houel
Valérie Laucou
Roberto Bacilieri
Jean-Pierre Péros
Patrice This

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundIn grapevine, as in other fruit crops, fruit size and seed content are key components of yield and quality; however, very few Quantitative Trait Loci (QTLs) for berry weight and seed content (number, weight, and dry matter percentage) have been discovered so far. To identify new stable QTLs for marker-assisted selection and candidate gene identification, we performed simultaneous QTL detection in four mapping populations (seeded or seedless) with various genetic backgrounds.

resultsFor berry weight, we identified five new QTLs, on linkage groups (LGs) 1, 8, 11, 17 and 18, in addition to the known major QTL on LG 18. The QTL with the largest effect explained up to 31% of total variance and was found in two genetically distant populations on LG 17, where it colocalized with a published putative domestication locus. For seed traits, besides the major QTLs on LG 18 previously reported, we found four new QTLs explaining up to 51% of total variance, on LGs 4, 5, 12 and 14. The previously published QTL for seed number on LG 2 was found related in fact to sex. We found colocalizations between seed and berry weight QTLs only for the major QTL on LG 18 in a seedless background, and on LGs 1 and 13 in a seeded background. Candidate genes belonging to the cell number regulator CNR or cytochrome P450 families were found under the berry weight QTLs on LGs 1, 8, and 17. The involvement of these gene families in fruit weight was first described in tomato using a QTL-cloning approach. Several other interesting candidate genes related to cell wall modifications, water import, auxin and ethylene signalling, transcription control, or organ identity were also found under berry weight QTLs.

conclusionWe discovered a total of nine new QTLs for berry weight or seed traits in grapevine, thereby increasing more than twofold the number of reliable QTLs for these traits available for marker assisted selection or candidate gene studies. The lack of colocalization between berry and seed QTLs suggests that these traits may be partly dissociated.

Indexed as

Chromosome MappingFruitGenetic Association StudiesInheritance PatternsLod ScoreOrgan SizePhenotypeQuantitative Trait, HeritableQuantitative Trait LociSeedsVitis

Identifiers

PMID24350702
PMCPMC3878267

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.