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| 1 | Prediction of genetic value for sweet cherry fruit maturity among environments using a 6K SNP array显示文摘The timing of fruit maturity is an important trait in sweet cherry production and breeding.Phenotypic variation for phenology of fruit maturity in sweet cherry appears to be under strong genetic control,but that control might be complicated by phenotypic instability across environments.Although such genotype-by-environment interaction(G×E)is a common phenomenon in crop plants,knowledge about it is lacking for fruit maturity timing and other sweet cherry traits.In this study,1673 genome-wide SNP markers were used to estimate genomic relationships among 597 weakly pedigree-connected individuals evaluated over two seasons at three locations in Europe and one location in the USA,thus sampling eight‘environments’.The combined dataset enabled a single meta-analysis to investigate the environmental stability of genomic predictions.Linkage disequilibrium among marker loci declined rapidly with physical distance,and ordination of the relationship matrix suggested no strong structure among germplasm.The most parsimonious G×E model allowed heterogeneous genetic variance and pairwise covariances among environments.Narrow-sense genomic heritability was very high(0.60–0.83),as was accuracy of predicted breeding values(>0.62).Average correlation of additive effects among environments was high(0.96)and breeding values were highly correlated across locations.Results indicated that genomic models can be used in cherry to accurately predict date of fruit maturity for untested individuals in new environments.Limited G×E for this trait indicated that phenotypes of individuals will be stable across similar environments.Equivalent analyses for other sweet cherry traits,for which multiple years of data are commonly available among breeders and cultivar testers,would be informative for predicting performance of elite selections and cultivars in new environments. | Craig M.Hardner Ben J.Hayes Satish Kumar Stijn Vanderzande Lichun Cai Julia Piaskowski JoséQuero-Garcia JoséAntonio Campoy Teresa Barreneche Daniela Giovannini Alessandro Liverani Gérard Charlot Miguel Villamil-Castro Nnadozie Oraguzie Cameron P.Peace | 2019 | Horticulture Research2019,6,1: | 5 |
| 2 | RNA interference (RNAi)‐induced suppression of nicotine demethylase activity reduces levels of a key carcinogen in cured tobacco leaves显示文摘 | Ramsey S.Lewis Anne M.Jack Jerry W.Morris Vincent J. M.Robert Lily B.Gavilano BalazsSiminszky Lowell P.Bush Alec J.Hayes Ralph E.Dewey | 2008 | Plant Biotechnology Journal2008,,4: | 1 |
| 3 | A genome wide association study for QTL affecting direct and maternal effects of stillbirth and dystocia in cattle显示文摘 | H. G.Olsen B. J.Hayes M. P.Kent T.Nome M.Svendsen S.Lien | 2010 | Animal Genetics2010,,3: | 1 |
| 4 | Appropriate application of the standardized precipitation index in arid locations and dry seasons显示文摘 | HongWu Mark D.Svoboda Michael J.Hayes Donald A.Wilhite FujiangWen | 2006 | Int J Climatol2006,,1: | 1 |
| 5 | Smoking is a major risk factor for anastomotic leak in patients undergoing low anterior resection显示文摘 | C. H.Richards V.Campbell C.Ho J.Hayes T.Elliott M.Thompson‐Fawcett | 2012 | Colorectal Disease2012,,5: | 1 |
| 6 | Rapid Transit Financing:Use of the special Assessment显示文摘 | David J.Hayes | | 0,,04: | 1 |
| 7 | An evaluation of the Standardized Precipitation Index, the China‐Z Index and the statistical Z‐Score显示文摘 | HongWu Michael J.Hayes AlbertWeiss QiHu | 2001 | Int J Climatol2001,,6: | 1 |
| 8 | Molecular markers reliably predict post-harvest deterioration of fresh-cut lettuce in modified atmosphere packaging显示文摘Fresh-cut lettuce is popular,but highly perishable product.Genetic studies of two bi-parental populations derived from crossing parents with rapid and slow rates of deterioration showed that the deterioration rate is a heritable trait(broad spectrum heritability,H2 of 0.56–0.87).The major genetic determinant of the deterioration rate in both populations was the quantitative trait locus(QTL),qSL4,located on linkage group 4.This QTL explained 40–74%of the total phenotypic variation of the trait in the two populations.Saturating the qSL4 region with single-nucleotide(SNP)markers allowed detection of six haplotypes in a set of 16 lettuce accessions with different rates of deterioration.Three of the haplotypes were always associated with very rapid rates of deterioration,while the other three haplotypes were associated with slow rates of deterioration.Two SNPs located 53 bp apart were sufficient to separate the 16 accessions into two groups with different rates of deterioration.The accuracy of markers-trait association was subsequently tested on 350 plants from seven F2 families that originated from crossing parents with different rates of deterioration.The H2 of deterioration rate in these seven families ranged from 0.64 to 0.90.The SNP-based analysis accurately identified individuals with rapid,intermediate,and slow rates of deterioration in each family.Intermediate rate of deterioration was found in individuals having heterozygous alleles at qSL4,indicating an additive effect of the alleles.The assay can be used for fast,accurate,and reliable identification of deterioration rate after processing for salad. | Ivan Simko Ryan J.Hayes Maria-Jose Truco Richard W.Michelmore Rudie Antonise Mark Massoudi | 2018 | Horticulture Research2018,5,1: | 0 |
| 9 | Intracellular oxygen:Similar results from two methods of measurement using phosphorescent nanoparticles显示文摘The ability to resolve the spatio-temporal complexity of intracelular O_(2) distribution is the“HolyGrail” of cellular physiology.In an effort to obtain a minimally invasive approach to the mappingof intracllar O,tensions,two methods of phosphorescent lifetime imaging microscopy werecompared in the current study and gave similar results.These were two-photon confocal laserscanning microscopy with pinhole shifting,and picosecond time-resolved epi-phosphorescencemicroscopy using a single 0.5μm focused spot.Both methods utilized Ru coordination complexembedded nanopartidles(45 nm diameter)as the phosphorescent probe,excited using pulsedoutputs of a titanium sapphire Tsunami lasers(710-1050 nm). | David Lloyd Catrin F.Williams K.Vijayalakshmi M.Kombrabail Nick White Anthony J.Hayes Miguel A.Aon G.Krishnamoorthy | 2014 | Journal of Innovative Optical Health Sciences2014,7,2: | 0 |