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In the name of the rose:a roadmap for rose research in the genome era

Horticulture Research 2019年第1期6卷 948-964页

作者： Marinus J.M.Smulders paul arens Peter M.Bourke Thomas Debener Marcus Linde Jan De Riek Leen Leus Tom Ruttink Sylvie Baudino Laurence Hibrant Saint-Oyant Jeremy Clotault Fabrice Foucher Plant Breeding Wageningen University and ResearchP.O.Box 3866700 AJ WageningenThe Netherlands Faculty of Natural Sciences Institute for Plant GeneticsMolecular Plant BreedingLeibniz University of HannoverHerrenhäuser Strasse 230419 HannoverGermany ILVO Plant Sciences UnitFlanders Research Institute for AgricultureFisheries and FoodCaritasstraat 399090 MelleBelgium BVpam CNRS FRE 3727UJM-Saint-ÉtienneUniv.LyonSaint-EtienneFrance IRHS Agrocampus-OuestINRAUniversitéd’AngersSFR 4207 QuaSaV42 rue Georges Morel BP 6005749071 BeaucouzéFrance

The recent completion of the rose genome sequence is not the end of a process,but rather a starting point that opens up a whole set of new and exciting *** to a high-quality genome sequence other genomic tools have also become available for rose,including transcriptomics data,a high-density single-nucleotide polymorphism array and software to perform linkage and quantitative trait locus mapping in *** cultivars are highly heterogeneous and *** vast diversity in cultivated roses can be explained through the genetic potential of the genus,introgressions from wild species into commercial tetraploid germplasm and the inimitable efforts of historical *** can now investigate how this diversity can best be exploited and refined in future breeding work,given the rich molecular toolbox now available to the rose breeding *** paper presents possible lines of research now that rose has entered the genomics era,and attempts to partially answer the question that arises after the completion of any draft genome sequence:‘Now that we have“the”genome,what’s next?’.Having access to a genome sequence will allow both(fundamental)scientific and(applied)breeding-orientated questions to be *** outline possible approaches for a number of these questions.

关键词： breeding cultivar linkage

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High-density SNP-based genetic maps for the parents of an outcrossed and a selfed tetraploid garden rose cross, inferred from admixed progeny using the 68k rose SNP array

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Horticulture Research 2016年第1期3卷 68-75页

作者： Mirjana Vukosavljev paul arens Roeland E Voorrips Wendy P C van't Westende G D Esselink Peter M Bourke Peter Cox W Eric van de Weg Richard G F Visser Chris Maliepaard Marinus J M Smulders Wageningen UR Plant Breeding Wageningen University&ResearchWageningenNL-6700 AJThe Netherlands Roath BV EindhovenThe Netherlands Pheno Geno Roses D.O.O.Bulevar oslobođenja 65a 21000 Novi SadSerbia

Dense genetic maps create a base for QTL analysis of important traits and future implementation of marker-assisted *** tetraploid rose,the existing linkage maps include<300 markers to cover 28 linkage groups(4 homologous sets of 7 chromosomes).Here we used the 68k WagRhSNP Axiom single-nucleotide polymorphism(SNP)array for rose,in combination with SNP dosage calling at the tetraploid level,to genotype offspring from the garden rose cultivar‘Red New Dawn’.The offspring proved to be not from a single bi-parental *** rose breeding,crosses with unintended parents occur *** developed a strategy to separate progeny into putative populations,even while one of the parents was unknown,using principle component analysis on pairwise genetic distances based on sets of selected SNP markers that were homozygous,and therefore uninformative for one *** of the inferred populations was consistent with self-fertilization of‘Red New Dawn’.Subsequently,linkage maps were generated for a bi-parental and a self-pollinated population with‘Red New Dawn’as the common maternal *** densest map,for the selfed parent,had 1929 SNP markers on 25 linkage groups,covering 1765.5 cM at an average marker distance of 0.9 *** with the strawberry(Fragaria vesca)genome was *** ICM1 corresponded to *** pseudochromosome 7(Fv7),ICM4 to Fv4,ICM5 to Fv3,ICM6 to Fv2 and ICM7 to *** ICM2 corresponded to parts of *** pseudochromosomes 1 and 6,whereas ICM3 is syntenic to the remainder of Fv6.

关键词： breeding linkage dosage

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