检索结果-南通市图书馆

DNA-informed breeding of rosaceous crops: promises, progress and prospects

维普期刊数据库

同方期刊数据库评论

在线全文

学校读者我要写书评

暂无评论

Horticulture Research 2017年第1期4卷 335-347页

作者： cameron P peace Department of Horticulture Washington State UniversityPO Box 646414Pullman99164-6414WAUSA

Crops of the Rosaceae family provide valuable contributions to rural economies and human health and *** solutions to production challenges and market demands can be met with genetically improved new *** rosaceous crop breeding is expensive and time-consuming and would benefit from improvements in efficiency and *** of DNA information is becoming conventional in rosaceous crop breeding,contributing to many decisions and operations,but only after past decades of solved challenges and generation of sufficient *** in deployment of DNA-based knowledge and tools have arisen when the‘chasm’between genomics discoveries and practical application is bridged *** steps are establishing breeder desire for use of DNA information,adapting tools to local breeding utility,identifying efficient application schemes,accessing effective services in DNA-based diagnostics and gaining experience in integrating DNA information into breeding operations and ***-informed germplasm characterization for revealing identity and relatedness has benefitted many programs and provides a compelling entry point to reaping benefits of genomics ***-informed germplasm evaluation for predicting trait performance has enabled effective reallocation of breeding resources when applied in pioneering ***-based diagnostics is now expanding from specific loci to genome-wide *** the full potential of this expansion will require improved accuracy of predictions,multi-trait DNA profiling capabilities,streamlined breeding information management systems,strategies that overcome plant-based features that limit breeding progress and widespread training of current and future breeding personnel and allied scientists.

关键词： breeding crops operations

Modeling of genetic gain for single traits from marker-assisted seedling selection in clonally propagated crops

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Horticulture Research 2016年第1期3卷 257-266页

作者： Sushan Ru Craig Hardner Patrick A Carter Kate Evans Dorrie Main cameron peace Department of Horticulture Washington State UniversityPO Box 646414Pullman99164-6414WAUSA Queensland Alliance for Agriculture and Food Innovation University of QueenslandSt Lucia4072BrisbaneAustralia School of Biological Sciences Washington State UniversityPullman99164-4236WAUSA Department of Horticulture Washington State University Tree Fruit Research and Extension CenterWenatchee98801WAUSA

Seedling selection identifies superior seedlings as candidate cultivars based on predicted genetic potential for traits of ***,genetic potential is determined by phenotypic *** the availability of DNA tests for some agronomically important traits,breeders have the opportunity to include DNA information in their seedling selection operations—known as marker-assisted seedling selection.A major challenge in deploying marker-assisted seedling selection in clonally propagated crops is a lack of knowledge in genetic gain achievable from alternative *** models based on additive effects considering seed-propagated crops are not directly relevant for seedling selection of clonally propagated crops,as clonal propagation captures all genetic effects,not just *** study modeled genetic gain from traditional and various marker-based seedling selection strategies on a single trait basis through analytical derivation and stochastic simulation,based on a generalized seedling selection scheme of clonally propagated *** trait-test scenarios with a range of broad-sense heritability and proportion of genotypic variance explained by DNA markers were simulated for two populations with different segregation *** derived and simulated results indicated that marker-based strategies tended to achieve higher genetic gain than phenotypic seedling selection for a trait where the proportion of genotypic variance explained by marker information was greater than the broad-sense *** from this study provides guidance in optimizing genetic gain from seedling selection for single traits where DNA tests providing marker information are available.

关键词： seedling crops cultivar

Fruit cracking and firmness DNA test development and evaluation in sweet cherry

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Fruit Research 2022年第1期2卷 129-139页

作者： W.Wesley Crump cameron peace Zhiwu Zhang Per McCord Department of Horticulture Washington State UniversityProsserWA 99350United States Department of Horticulture Washington State UniversityPullmanWA 99164United States Department of Crop and Soil Sciences Washington State UniversityPullmanWA 99164United States

One application of DNA-informed breeding,which has potential to increase the effectiveness of traditional breeding methods,is the use of DNAbased diagnostic tests to estimate genetic potential of breeding *** sweet cherry(Prunus avium L.),cracked or soft fruit are major industry *** research detected two quantitative trait loci(QTLs)for fruit cracking and firmness differing in trait levels associated with QTL haplotypic ***,a DNA test for cracking(Pav-G5Crack-SSR),using two simple sequence repeat(SSR)markers,was previously developed but not yet validated on breeding *** addition to SSR markers,single nucleotide polymorphism(SNP)markers can be used for developing locus-specific DNA tests and run as simple assays such as high-resolution melting(HRM).The objective of this research was to develop and evaluate the predictiveness of DNA tests for fruit cracking and firmness in sweet *** seedlings from pedigreeconnected families were screened with the Pav-G5Crack-SSR DNA *** tests were also created from four SNP markers with HRM assays,using two years of cracking and firmness data for ***-G5Crack-SSR explained 12–15%of the cracking phenotypic variance,while Pav-G1Crack-SNP and Pav-G5Crack-SNP(which targeted the same QTL as Pav-G5Crack-SSR)together explained 16%–30%of the cracking phenotypic ***-G1Firm-SNP and Pav-G3Firm-SNP together explained 22%–28%of the firmness phenotypic *** three DNA tests can be implemented in breeding programs to enhance effectiveness in breeding for decreased cracking incidence and increased fruit firmness in sweet cherry.

关键词： fir breeding cracking

Fire blight QTL analysis in a multi-family apple population identifies a reduced-susceptibility allele in ‘Honeycrisp’

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Horticulture Research 2021年第1期8卷 355-367页

作者： Sarah A.Kostick Soon Li Teh John L.Norelli Stijn Vanderzande cameron peace Kate M.Evans Tree Fruit Research and Extension Center Department of HorticultureWashington State UniversityWenatcheeWA 98801USA United States Department of Agriculture Agricultural Research ServiceAppalachian Fruit Research LaboratoryKearneysvilleWV 25430USA Department of Horticulture Washington State UniversityPullmanWA 99164USA

Breeding apple cultivars with resistance offers a potential solution to fire blight,a damaging bacterial disease caused by Erwinia *** resistance alleles at quantitative trait loci(QTLs)were previously characterized in diverse Malus germplasm with poor fruit quality,which reduces breeding *** study utilized a pedigree-based QTL analysis approach to elucidate the genetic basis of resistance/susceptibility to fire blight from multiple genetic sources in germplasm relevant to *** breeding ***-seven important breeding parents(IBPs)were represented by 314 offspring from 32 full-sib families,with‘Honeycrisp’being the most highly represented *** resistance/susceptibility data from a two-year replicated field inoculation study and previously curated genome-wide single nucleotide polymorphism data,QTLs were consistently mapped on chromosomes(Chrs.)6,7,and *** QTLs together explained~28% of phenotypic *** Chr.6 and Chr.15 QTLs colocalized with previously reported QTLs,while the Chr.7 QTL is possibly novel.‘Honeycrisp’inherited a rare reduced-susceptibility allele at the Chr.6 QTL from its grandparent‘Frostbite’.The highly resistant IBP‘Enterprise’had at least one putative reduced-susceptibility allele at all three *** general,lower susceptibility was observed for individuals with higher numbers of reduced-susceptibility alleles across *** study highlighted QTL mapping and allele characterization of resistance/susceptibility to fire blight in complex pedigree-connected apple breeding *** gained will enable more informed parental selection and development of trait-predictive DNA tests for pyramiding favorable alleles and selection of superior apple cultivars with resistance to fire blight.

关键词： blight breeding cultivar

RosBREED:bridging the chasm between discovery and application to enable DNA-informed breeding in rosaceous crops

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Horticulture Research 2020年第1期7卷 527-549页

作者： Amy F.Iezzoni Jim McFerson James Luby Ksenija Gasic Vance Whitaker Nahla Bassil Chengyan Yue Karina Gallardo Vicki McCracken Michael Coe Craig Hardner Jason D.Zurn Stan Hokanson Eric van de Weg Sook Jung Dorrie Main Cassia da Silva Linge Stijn Vanderzande Thomas M.Davis Lise L.Mahoney Chad Finn cameron peace Michigan State University East LansingMI 48824USA Washington State University WenatcheeWA 98801USA University of Minnesota St.PaulMN 55108USA Clemson University ClemsonSC 29634USA University of Florida WimaumaFL 33598USA USDA-ARS CorvallisOR 97333USA Washington State University PuyallupWA 98371USA Washington State University PullmanWA 99164USA Cedar Lake Research Group PortlandOR 97215USA University Queensland BrisbaneQLDAustralia Wageningen University and Research 6700 AA WageningenThe Netherlands University of New Hampshire DurhamNH 03824USA

The Rosaceae crop family(including almond,apple,apricot,blackberry,peach,pear,plum,raspberry,rose,strawberry,sweet cherry,and sour cherry)provides vital contributions to human well-being and is economically significant across the *** 2003,industry stakeholder initiatives prioritized the utilization of genomics,genetics,and breeding to develop new cultivars exhibiting both disease resistance and superior horticultural ***,rosaceous crop breeders lacked certain knowledge and tools to fully implement DNA-informed breeding—a“chasm”existed between existing genomics and genetic information and the application of this knowledge in *** RosBREED project(“Ros”signifying a Rosaceae genomics,genetics,and breeding community initiative,and“BREED”,indicating the core focus on breeding programs),addressed this challenge through a comprehensive and coordinated 10-year effort funded by the USDA-NIFA Specialty Crop Research *** was designed to enable the routine application of modern genomics and genetics technologies in *** crop breeding programs,thereby enhancing their efficiency and effectiveness in delivering cultivars with producer-required disease resistances and market-essential horticultural *** review presents a synopsis of the approach,deliverables,and impacts of RosBREED,highlighting synergistic global collaborations and future *** technologies and tools developed are described,including genome-wide scanning platforms and DNA diagnostic *** of DNA-informed breeding use by project participants are presented for all breeding stages,including pre-breeding for disease resistance,parental and seedling selection,and elite selection *** chasm is now bridged,accelerating rosaceous crop genetic improvement.

关键词： breeding cultivar crops

Validation of SNP markers for fruit quality and disease resistance loci in apple (Malus × domestica Borkh.) using the OpenArray® platform

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Horticulture Research 2019年第1期6卷 1348-1363页

作者： David Chagné Stijn Vanderzande Chris Kirk Natalie Profitt Rosemary Weskett Susan E.Gardiner cameron P.peace Richard K.Volz Nahla V.Bassil The New Zealand Institute for Plant&Food Research Ltd(Plant&Food Research) Palmerston North Research CentrePalmerston NorthNew Zealand Department of Horticulture Washington State UniversityPullmanWAUSA Plant&Food Research Hawke’s Bay Research CentreHavelock NorthNew Zealand USDA-ARS National Clonal Germplasm RepositoryCorvallisORUSA

Genome mapping has promised much to tree fruit breeding during the last 10 ***,one of the greatest challenges remaining to tree fruit geneticists is the translation of trait loci and whole genome sequences into diagnostic genetic markers that are efficient and cost-effective for use by breeders,who must select genetically optimal parents and subsequently select genetically superior individuals among their *** take this translational step,we designed the apple International RosBREED SNP Consortium OpenArray v1.0(IRSCOA v1.0)assay using a set of 128 apple single nucleotide polymorphisms(SNPs)linked to fruit quality and pest and disease resistance trait *** Thermo Fisher Scientific OpenArray®technology enables multiplexed screening of SNP markers using a real-time PCR instrument with fluorescent probe-based Taqman®*** validated the apple IRSCOA v1.0 multitrait assay by screening 240 phenotyped individuals from the Plant&Food Research apple cultivar breeding *** set of individuals comprised commercial and heritage cultivars,elite selections,and families segregating for traits of importance to *** total,33 SNP markers of the IRSCOA v1.0 were validated for use in marker-assisted selection(MAS)for the scab resistances Rvi2/Vh2,Rvi4/Vh4,Rvi6/Vf,fire blight resistance MR5/RLP1,powdery mildew resistance Pl2,fruit firmness,skin colour,flavour intensity,and *** availability of this set of validated trait-associated SNP markers,which can be used individually on multiple genotyping platforms available to various apple breeding programmes or re-designed using the flanking sequences,represents a large translational genetics step from genomics to crop improvement of apple.

关键词： Open resistance breeding

Elucidation of the ‘Honeycrisp’ pedigree through haplotype analysis with a multi-family integrated SNP linkage map and a large apple (Malus×domestica) pedigree-connected SNP data set

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Horticulture Research 2017年第1期4卷 358-364页

作者： Nicholas P Howard Eric van de Weg David S Bedford cameron P peace Stijn Vanderzande Matthew D Clark Soon Li Teh Lichun Cai James J Luby Department of Horticultural Science University of MinnesotaSt Paul55104MNUSA Department of Plant Breeding Wageningen University and ResearchWageningen6700AJThe Netherlands Department of Horticulture and Landscape Architecture Washington State UniversityPullman99164WAUSA Department of Horticulture Michigan State UniversityEast Lansing48824MIUSA

The apple(Malus×domestica)cultivar Honeycrisp has become important economically and as a breeding *** earlier study with SSR markers indicated the original recorded pedigree of‘Honeycrisp’was incorrect and‘Keepsake’was identified as one putative parent,the other being *** objective of this study was to verify‘Keepsake’as a parent and identify and genetically describe the unknown parent and its grandparents.A multi-family based dense and high-quality integrated SNP map was created using the apple 8 K Illumina Infinium SNP *** map was used alongside a large pedigree-connected data set from the RosBREED project to build extended SNP haplotypes and to identify pedigree relationships.‘Keepsake’was verified as one parent of‘Honeycrisp’and‘Duchess of Oldenburg’and‘Golden Delicious’were identified as grandparents through the unknown *** this finding,siblings of‘Honeycrisp’were identified using the SNP *** records from several of these siblings suggested that the previously unreported parent is a University of Minnesota selection,*** selection is no longer available,but now is genetically described through imputed SNP *** also present the mosaic grandparental composition of‘Honeycrisp’for each of its 17 chromosome *** new pedigree and genetic information will be useful in future pedigree-based genetic studies to connect‘Honeycrisp’with other cultivars used widely in apple breeding *** created SNP linkage map will benefit future research using the data from the Illumina apple 8 and 20 K and Affymetrix 480 K SNP arrays.

关键词： Golden linkage connected

The use of shared haplotype length information for pedigree reconstruction in asexually propagated outbreeding crops, demonstrated for apple and sweet cherry

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Horticulture Research 2021年第1期8卷 2785-2797页

作者： Nicholas P.Howard cameron peace Kevin A.T.Silverstein Ana Poets James J.Luby Stijn Vanderzande Charles-Eric Durel Helene Muranty Caroline Denance Eric van de Weg Institut fur Biologie und Umweltwissenschaften Carl von Ossietzky UniversityOldenburgGermany Department of Horticultural Science University of MinnesotaSt.PaulMNUSA Department of Horticulture and Landscape Architecture Washington State UniversityPullmanWashingtonWAUSA Minnesota Supercomputing Institute University of MinnesotaMinneapolisMNUSA Universited’Angers Institut AgroINRAEIRHSSFR 4207 QuaSaVBeaucouzeFrance Plant Breeding Wageningen University and ResearchWageningenThe Netherlands

Pedigree information is of fundamental importance in breeding programs and related genetics ***,many individuals have unknown *** methods to identify and confirm direct parent–offspring relationships are routine,those for other types of close relationships have yet to be effectively and widely implemented with plants,due to complications such as asexual propagation and extensive *** objective of this study was to develop and demonstrate methods that support complex pedigree reconstruction via the total length of identical by state haplotypes(referred to in this study as“summed potential lengths of shared haplotypes”,SPLoSH).A custom Python script,HapShared,was developed to generate SPLoSH data in apple and sweet *** was used to establish empirical distributions of SPLoSH data for known relationships in these *** distributions were then used to estimate previously unknown *** studies in each crop demonstrated various pedigree reconstruction scenarios using SPLoSH *** cherry,a full-sib relationship was deduced for‘Emperor Francis,and‘Schmidt’,a half-sib relationship for‘Van’and‘Windsor’,and the paternal grandparents of‘Stella’were *** apple,29 cultivars were found to share an unknown parent,the pedigree of the unknown parent of‘Cox’s Pomona’was reconstructed,and‘Fameuse’was deduced to be a likely grandparent of‘McIntosh’.Key genetic resources that enabled this empirical study were large genome-wide SNP array datasets,integrated genetic maps,and previously identified pedigree *** with similar resources are also expected to benefit from using HapShared for empowering pedigree reconstruction.

关键词： Python breeding crops

Prunus genetics and applications after de novo genome sequencing:achievements and prospects

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Horticulture Research 2019年第1期6卷 1222-1246页

作者： Maria JoséAranzana Véronique Decroocq Elisabeth Dirlewanger Iban Eduardo Zhong Shan Gao Ksenija Gasic Amy Iezzoni Sook Jung cameron peace Humberto Prieto Ryutaro Tao Ignazio Verde Albert G.Abbott Pere Arús IRTA Centre de Recerca en Agrigenòmica CSIC-IRTA-UAB-UBCampus UABEdifici CRAGCerdanyola del Vallès(Bellaterra)08193 BarcelonaSpain UMR 1332 BFP INRAUniversity of BordeauxA3C and Virology Teams33882 Villenave-d’Ornon CedexFrance Allergy Research Center Zhejiang University310058 HangzhouChina Clemson University ClemsonSC 29634USA Department of Horticulture Michigan State University1066 Bogue StreetEast LansingMI 48824-1325USA Department of Horticulture Washington State UniversityPullmanWA 99164-6414USA Biotechnology Laboratory La Platina Research StationInstituto de Investigaciones AgropecuariasSanta Rosa11610 La PintanaSantiagoChile Laboratory of Pomology Graduate School of AgricultureKyoto UniversityKyoto 606-8502Japan Consiglio per la ricerca in agricoltura e l’analisi dell’economia agraria(CREA)-Centro di ricerca Olivicoltura Frutticoltura e Agrumicoltura(CREA-OFA)RomeItaly University of Kentucky 106 T.P.Cooper HallLexingtonKY 40546-0073USA

Prior to the availability of whole-genome sequences,our understanding of the structural and functional aspects of Prunus tree genomes was limited mostly to molecular genetic mapping of important traits and development of EST *** public release of the peach genome and others that followed,significant advances in our knowledge of Prunus genomes and the genetic underpinnings of important traits *** this review,we highlight key achievements in Prunus genetics and breeding driven by the availability of these whole-genome *** the structural and evolutionary contexts,we summarize:(1)the current status of Prunus whole-genome sequences;(2)preliminary and ongoing work on the sequence structure and diversity of the genomes;(3)the analyses of Prunus genome evolution driven by natural and man-made selection;and(4)provide insight into haploblocking genomes as a means to define genome-scale patterns of evolution that can be leveraged for trait selection in pedigree-based Prunus tree breeding programs ***,we summarize recent and ongoing work that leverages whole-genome sequences to identify and characterize genes controlling 22 agronomically important Prunus *** include phenology,fruit quality,allergens,disease resistance,tree architecture,and ***,we explore the application of sequence-based marker-assisted breeding technologies and other sequence-guided biotechnological approaches for Prunus crop ***,we present the current status of publically available Prunus genomics and genetics data housed mainly in the Genome Database for Rosaceae(GDR)and its updated functionalities for future bioinformatics-based Prunus genetics and genomics inquiry.

关键词： Prunus breeding achievements