NDLI: Genetic and physical characterisation of the locus controlling columnar habit in apple (Malus × domestica Borkh.)

Content Provider	Springer Nature Link
Author	Baldi, Paolo Wolters, Pieter Jacobus Komjanc, Matteo Viola, Roberto Velasco, Riccardo Salvi, Silvio
Copyright Year	2012
Abstract	A better understanding of the genetic control of tree architecture would potentially allow improved tailoring of newly bred apple cultivars in terms of field management aspects, such as planting density, pruning, pest control and disease protection. It would also have an indirect impact on yield and fruit quality. The Columnar (Co) locus strongly suppresses lateral branch elongation and is the most important genetic locus influencing tree architecture in apple. Co has previously been mapped on apple linkage group (LG) 10. In order to obtain fine mapping of Co, both genetically and physically, we have phenotypically analysed and screened three adult segregating experimental populations, with a total of 301 F$_{1}$ plants, and one substantial 3-year old population of 1,250 F$_{1}$ plants with newly developed simple sequence repeat (SSR) markers, based on the ‘Golden delicious’ apple genome sequence now available. Co was found to co-segregate with SSR marker Co04R12 and was confined in a region of 0.56 cM between SSR markers Co04R11 and Co04R13, corresponding to 393 kb on the ‘Golden delicious’ genome sequence. In this region, 36 genes were predicted, including at least seven sequences potentially belonging to genes that could be considered candidates for involvement in control of shoot development. Our results provide highly reliable, virtually co-segregating markers that will facilitate apple breeding aimed at modifications of the tree habit and lay the foundations for the cloning of Co.
Starting Page	429
Ending Page	440
Page Count	12
File Format	PDF
ISSN	13803743
Journal	Molecular Breeding
Volume Number	31
Issue Number	2
e-ISSN	15729788
Language	English
Publisher	Springer Netherlands
Publisher Date	2012-11-03
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Tree architecture Fine mapping Co locus Growth habit Plant Sciences Plant Genetics & Genomics Plant Pathology Plant Physiology Biotechnology
Content Type	Text
Resource Type	Article
Subject	Genetics Plant Science Molecular Biology Biotechnology Agronomy and Crop Science

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FINE GENETIC CHARACTERIZATION OF THE Co LOCUS RESPONSIBLE FOR THE COLUMNAR HABIT IN APPLE ( MALUS X DOMESTICA BORKH

Fine genetic mapping of the Co locus controlling columnar growth habit in apple

Screening Candidate Genes at the Co Locus Conferring to the Columnar Growth Habit in Apple (Malus × Domestica Borkh.).

Fine mapping ofCo, a gene controlling columnar growth habit located on apple (Malus×domesticaBorkh.) linkage group 10

Genetic and physical mapping of Co, a gene controlling the columnar trait of apple

Fine mapping of the Rvi5 (Vm) apple scab resistance locus in the ‘Murray’ apple genotype

Study of tree architecture of apple (Malus × domestica Borkh.) by QTL analysis of growth traits

Genetic linkage maps of two apple cultivars (Malus × domestica Borkh.) based on AFLP and microsatellite markers

High-resolution genetic map of the Rvi15 (Vr2) apple scab resistance locus

Genetic and physical characterisation of the locus controlling columnar habit in apple (Malus × domestica Borkh.)

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FINE GENETIC CHARACTERIZATION OF THE Co LOCUS RESPONSIBLE FOR THE COLUMNAR HABIT IN APPLE ( MALUS X DOMESTICA BORKH

Fine genetic mapping of the Co locus controlling columnar growth habit in apple

Screening Candidate Genes at the Co Locus Conferring to the Columnar Growth Habit in Apple (Malus × Domestica Borkh.).

Fine mapping ofCo, a gene controlling columnar growth habit located on apple (Malus×domesticaBorkh.) linkage group 10

Genetic and physical mapping of Co, a gene controlling the columnar trait of apple

Fine mapping of the Rvi5 (Vm) apple scab resistance locus in the ‘Murray’ apple genotype

Study of tree architecture of apple (Malus × domestica Borkh.) by QTL analysis of growth traits

Genetic linkage maps of two apple cultivars (Malus × domestica Borkh.) based on AFLP and microsatellite markers

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Genetic and physical characterisation of the locus controlling columnar habit in apple (Malus × domestica Borkh.)