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You searched for: Journal Theoretical and applied genetics Remove constraint Journal: Theoretical and applied genetics Publication Year 2017 Remove constraint Publication Year: 2017 Source 2017 v.130 no.2 Remove constraint Source: 2017 v.130 no.2
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1. A GBS-SNP-based linkage map and quantitative trait loci (QTL) associated with resistance to Fusarium oxysporum f. sp. niveum race 2 identified in Citrullus lanatus var. citroides

Author:
Branham, Sandra E.; Levi, Amnon; Farnham, Mark W.; Patrick Wechter, W.
Source:
Theoretical and applied genetics 2017 v.130 no.2 pp. 319-330
ISSN:
0040-5752
Subject:
Citrullus lanatus var. citroides; Fusarium oxysporum f. sp. niveum; Fusarium wilt; chromosome mapping; chromosomes; crop production; cultivars; disease resistance; fungi; genes; genetic background; genetic variation; genotyping by sequencing; host range; introduced plants; pathogens; quantitative trait loci; races; single nucleotide polymorphism; virulent strains; watermelons; United States
Abstract:
... KEY MESSAGE: A major QTL for resistance to Fusarium oxysporum f. sp. niveum race 2 was mapped to a narrow 1.2 Mb interval using a high-density GBS-SNP linkage map, the first map of Citrullus lanatus var. citroides. Fusarium wilt, a fungal disease caused by Fusarium oxysporum f. sp. niveum (Fon), devastates watermelon crop production worldwide. Several races, which are differentiated by host range, ...
DOI:
10.1007/s00122-016-2813-0
CHORUS:
10.1007/s00122-016-2813-0

2. Association mapping of leaf rust resistance loci in a spring wheat core collection

Author:
Turner, M. Kathryn; Kolmer, James A.; Pumphrey, Michael O.; Bulli, Peter; Chao, Shiaoman; Anderson, James A.
Source:
Theoretical and applied genetics 2017 v.130 no.2 pp. 345-361
ISSN:
0040-5752
Subject:
Agricultural Research Service; Triticum aestivum; chromosome mapping; disease resistance; genes; genetic markers; genetic resistance; leaf rust; loci; mature plants; plant genetic resources; seedlings; spring wheat; United States
Abstract:
... KEY MESSAGE: We identified 15 potentially novel loci in addition to previously characterized leaf rust resistance genes from 1032 spring wheat accessions. Targeted AM subset panels were instrumental in revealing interesting loci. Leaf rust is a common disease of wheat, consistently reducing yields in many wheat-growing regions of the world. Although fungicides are commonly applied to wheat in the ...
DOI:
10.1007/s00122-016-2815-y

3. Fine mapping of a major QTL for awn length in barley using a multiparent mapping population

Author:
Liller, Corinna B.; Walla, Agatha; Boer, Martin P.; Hedley, Pete; Macaulay, Malcolm; Effgen, Sieglinde; von Korff, Maria; van Esse, G. Wilma; Koornneef, Maarten
Source:
Theoretical and applied genetics 2017 v.130 no.2 pp. 269-281
ISSN:
0040-5752
Subject:
awns; barley; flowering date; genes; genotype; grain yield; isogenic lines; mutants; photosynthesis; quantitative trait loci; sequence analysis
Abstract:
... KEY MESSAGE: Awn length was mapped using a multiparent population derived from cv. Morex and four wild accessions. One QTL was fine mapped and candidate genes were identified in NILs by RNA-seq. Barley awns are photosynthetically active and contribute to grain yield. Awn length is variable among both wild and cultivated barley genotypes and many mutants with alterations in awn length have been ide ...
DOI:
10.1007/s00122-016-2807-y
PubMed:
27734096
PubMed Central:
PMC5263209

4. General and specific combining abilities in a maize (Zea mays L.) test-cross hybrid panel: relative importance of population structure and genetic divergence between parents

Author:
Larièpe, A.; Moreau, L.; Laborde, J.; Bauland, C.; Mezmouk, S.; Décousset, L.; Mary-Huard, T.; Fiévet, J. B.; Gallais, A.; Dubreuil, P.; Charcosset, A.
Source:
Theoretical and applied genetics 2017 v.130 no.2 pp. 403-417
ISSN:
0040-5752
Subject:
Zea mays; breeding programs; corn; general combining ability; genetic distance; genetic markers; genetic variation; germplasm; heterosis; hybrids; inbred lines; models; parents; population structure; single nucleotide polymorphism; specific combining ability; variance
Abstract:
... KEY MESSAGE: General and specific combining abilities of maize hybrids between 288 inbred lines and three tester lines were highly related to population structure and genetic distance inferred from SNP data. Many studies have attempted to provide reliable and quick methods to identify promising parental lines and combinations in hybrid breeding programs. Since the 1950s, maize germplasm has been o ...
DOI:
10.1007/s00122-016-2822-z

5. Genetic and biochemical analysis reveals linked QTLs determining natural variation for fruit post-harvest water loss in pepper (Capsicum)

Author:
Popovsky-Sarid, Sigal; Borovsky, Yelena; Faigenboim, Adi; Parsons, Eugene P.; Lohrey, Gregory T.; Alkalai-Tuvia, Sharon; Fallik, Elazar; Jenks, Matthew A.; Paran, Ilan
Source:
Theoretical and applied genetics 2017 v.130 no.2 pp. 445-459
ISSN:
0040-5752
Subject:
Capsicum annuum; biosynthesis; breeding; cell walls; fruit quality; gene expression regulation; genes; genetic markers; quantitative trait loci; ripening; shelf life; storage time; sweet peppers; total soluble solids; transcriptomics; vegetable crops
Abstract:
... KEY MESSAGE: Molecular markers linked to QTLs controlling post-harvest fruit water loss in pepper may be utilized to accelerate breeding for improved shelf life and inhibit over-ripening before harvest. Bell pepper (Capsicum annuum L.) is an important vegetable crop world-wide. However, marketing is limited by the relatively short shelf life of the fruit due to water loss and decay that occur duri ...
DOI:
10.1007/s00122-016-2825-9

6. Genetic dissection of seed weight by QTL analysis and detection of allelic variation in Indian and east European gene pool lines of Brassica juncea

Author:
Dhaka, Namrata; Rout, Kadambini; Yadava, Satish K.; Sodhi, Yaspal Singh; Gupta, Vibha; Pental, Deepak; Pradhan, Akshay K.
Source:
Theoretical and applied genetics 2017 v.130 no.2 pp. 293-307
ISSN:
0040-5752
Subject:
Arabidopsis thaliana; Brassica juncea; alleles; doubled haploids; gene pool; marker-assisted selection; meta-analysis; oilseed crops; oilseeds; phenotype; phenotypic variation; quantitative trait loci; Eastern European region; India
Abstract:
... KEY MESSAGE: Seed weight QTL identified in different populations were synthesized into consensus QTL which were shown to harbor candidate genes by in silico mapping. Allelic variation inferred would be useful in breeding B. juncea lines with high seed weight. Seed weight is an important yield influencing trait in oilseed Brassicas and is a multigenic trait. Among the oilseed Brassicas, Brassica ju ...
DOI:
10.1007/s00122-016-2811-2

7. Genome-wide association mapping and agronomic impact of cowpea root architecture

Author:
Burridge, James D.; Schneider, Hannah M.; Huynh, Bao-Lam; Roberts, Philip A.; Bucksch, Alexander; Lynch, Jonathan P.
Source:
Theoretical and applied genetics 2017 v.130 no.2 pp. 419-431
ISSN:
0040-5752
Subject:
Striga gesnerioides; breeding; breeding programs; chromosome mapping; cowpeas; crop production; genetic analysis; genome; genome-wide association study; heritability; image analysis; nodulation; phenotype; quantitative trait loci; root tips; soil resources
Abstract:
... KEY MESSAGE : Genetic analysis of data produced by novel root phenotyping tools was used to establish relationships between cowpea root traits and performance indicators as well between root traits and Striga tolerance. Selection and breeding for better root phenotypes can improve acquisition of soil resources and hence crop production in marginal environments. We hypothesized that biologically re ...
DOI:
10.1007/s00122-016-2823-y
CHORUS:
10.1007/s00122-016-2823-y

8. Genome-wide association study reveals genetic architecture of coleoptile length in wheat

Author:
Li, Genqiao; Bai, Guihua; Carver, Brett F.; Elliott, Norman C.; Bennett, Rebecca S.; Wu, Yanqi; Hunger, Robert; Bonman, J. Michael; Xu, Xiangyang
Source:
Theoretical and applied genetics 2017 v.130 no.2 pp. 391-401
ISSN:
0040-5752
Subject:
alleles; coleoptiles; cultivars; dwarfing; genome-wide association study; gibberellic acid; landraces; loci; phenotypic variation; planting; quantitative trait loci; single nucleotide polymorphism; wheat
Abstract:
... KEY MESSAGE: Eight QTL for coleoptile length were identified in a genome-wide association study on a set of 893 wheat accessions, four of which are novel loci. Wheat cultivars with long coleoptiles are preferred in wheat-growing regions where deep planting is practiced. However, the wide use of gibberellic acid (GA)-insensitive dwarfing genes, Rht-B1b and Rht-D1b, makes it challenging to breed dwa ...
DOI:
10.1007/s00122-016-2820-1

9. Genomic assisted selection for enhancing line breeding: merging genomic and phenotypic selection in winter wheat breeding programs with preliminary yield trials

Author:
Michel, Sebastian; Ametz, Christian; Gungor, Huseyin; Akgöl, Batuhan; Epure, Doru; Grausgruber, Heinrich; Löschenberger, Franziska; Buerstmayr, Hermann
Source:
Theoretical and applied genetics 2017 v.130 no.2 pp. 363-376
ISSN:
0040-5752
Subject:
Triticum aestivum; breeding programs; breeding value; genetic relationships; genetic traits; grain yield; heritability; marker-assisted selection; models; phenotype; prediction; protein content; winter wheat
Abstract:
... KEY MESSAGE: Early generation genomic selection is superior to conventional phenotypic selection in line breeding and can be strongly improved by including additional information from preliminary yield trials. The selection of lines that enter resource-demanding multi-environment trials is a crucial decision in every line breeding program as a large amount of resources are allocated for thoroughly ...
DOI:
10.1007/s00122-016-2818-8
PubMed:
27826661
PubMed Central:
PMC5263211

10. High accuracy of predicting hybrid performance of Fusarium head blight resistance by mid-parent values in wheat

Author:
Miedaner, Thomas; Schulthess, Albert W.; Gowda, Manje; Reif, Jochen C.; Longin, C. Friedrich H.
Source:
Theoretical and applied genetics 2017 v.130 no.2 pp. 461-470
ISSN:
0040-5752
Subject:
Fusarium head blight; Triticum aestivum; additive gene effects; biotic stress; breeding; disease resistance; females; grain yield; heterosis; hybrids; males; phenotype; prediction; specific combining ability; stress tolerance; variance; wheat
Abstract:
... KEY MESSAGE : Mid-parent values of Fusarium head blight (FHB) resistance tested across several locations are a good predictor of hybrid performance caused by a preponderance of additive gene action in wheat. Hybrid breeding is intensively discussed as one solution to boost yield and yield stability including an enhanced biotic stress resistance. Our objectives were to investigate (1) the heterosis ...
DOI:
10.1007/s00122-016-2826-8

11. Identification of loci controlling forage yield and nutritive value in diploid alfalfa using GBS-GWAS

Author:
Sakiroglu, Muhammet; Brummer, E. Charles
Source:
Theoretical and applied genetics 2017 v.130 no.2 pp. 261-268
ISSN:
0040-5752
Subject:
Medicago truncatula; alfalfa; alleles; biomass production; biosynthesis; breeding; breeding programs; cell walls; cultivars; diploidy; forage legumes; forage yield; genetic markers; genome-wide association study; genotyping by sequencing; loci; meristems; nutritive value; regrowth; single nucleotide polymorphism; spring
Abstract:
... KEY MESSAGE : We attempted to identify genomic regions controlling forage yield and nutritive value in alfalfa. Several candidate genes and associated genetic markers were identified that could potentially be useful for alfalfa breeding to more efficiently develop improved cultivars. Alfalfa is one of the most widely cultivated forage legumes worldwide and improving alfalfa forage yield and nutrit ...
DOI:
10.1007/s00122-016-2782-3

12. Mapping and identification of a potential candidate gene for a novel maturity locus, E10, in soybean

Author:
Samanfar, Bahram; Molnar, Stephen J.; Charette, Martin; Schoenrock, Andrew; Dehne, Frank; Golshani, Ashkan; Belzile, François; Cober, Elroy R.
Source:
Theoretical and applied genetics 2017 v.130 no.2 pp. 377-390
ISSN:
0040-5752
Subject:
3' untranslated regions; 5' untranslated regions; Glycine max; alleles; backcrossing; crop production; cultivars; early development; exons; flowering; genomics; haplotypes; loci; microsatellite repeats; prediction; protein-protein interactions; sequence analysis; single nucleotide polymorphism; soybeans; Canada
Abstract:
... KEY MESSAGE: E10 is a new maturity locus in soybean and FT4 is the predicted/potential functional gene underlying the locus. Flowering and maturity time traits play crucial roles in economic soybean production. Early maturity is critical for north and west expansion of soybean in Canada. To date, 11 genes/loci have been identified which control time to flowering and maturity; however, the molecula ...
DOI:
10.1007/s00122-016-2819-7

13. QTL mapping identifies a major locus for resistance in wheat to Sunn pest (Eurygaster integriceps) feeding at the vegetative growth stage

Author:
Emebiri, L. C.; Tan, M.-K.; El-Bouhssini, M.; Wildman, O.; Jighly, A.; Tadesse, W.; Ogbonnaya, F. C.
Source:
Theoretical and applied genetics 2017 v.130 no.2 pp. 309-318
ISSN:
0040-5752
Subject:
Eurygaster integriceps; Triticum aestivum; adults; alleles; cages; doubled haploids; durum wheat; genetic markers; genotyping; grain quality; haplotypes; herbivores; insect pests; landraces; leaves; loci; marker-assisted selection; nymphs; parents; pest resistance; phenotypic variation; prediction; proteins; quantitative trait loci; rice; seedlings; single nucleotide polymorphism; vegetative growth; Afghanistan; Lebanon
Abstract:
... KEY MESSAGE: This research provides the first report of a major locus controlling wheat resistance to Sunn pest. It developed and validated SNP markers that will be useful for marker-assisted selection. Sunn pest (Eurygaster integriceps Puton) is the most destructive insect pest of bread wheat and durum wheat in West and Central Asia and East Europe. Breeding for resistance at the vegetative stage ...
DOI:
10.1007/s00122-016-2812-1

14. Rice NICOTIANAMINE SYNTHASE 2 expression improves dietary iron and zinc levels in wheat

Author:
Singh, Simrat Pal; Keller, Beat; Gruissem, Wilhelm; Bhullar, Navreet K.
Source:
Theoretical and applied genetics 2017 v.130 no.2 pp. 283-292
ISSN:
0040-5752
Subject:
Estimated Average Requirement; Oryza sativa; Phaseolus vulgaris; Triticum aestivum; beans; biofortification; biosynthesis; breeding; chelating agents; crops; ferritin; genes; germplasm; ions; iron; mineral content; nicotianamine; nicotianamine synthase; nutrient content; nutrient deficiencies; rice; wheat; zinc
Abstract:
... KEY MESSAGE: Iron and zinc deficiencies negatively impact human health worldwide. We developed wheat lines that meet or exceed recommended dietary target levels for iron and zinc in the grains. These lines represent useful germplasm for breeding new wheat varieties that can reduce iron and zinc deficiency-associated health burdens in the affected populations. Micronutrient deficiencies, including ...
DOI:
10.1007/s00122-016-2808-x
PubMed:
27722771
PubMed Central:
PMC5263203

15. Sequence diversification in recessive alleles of two host factor genes suggests adaptive selection for bymovirus resistance in cultivated barley from East Asia

Author:
Yang, Ping; Habekuß, Antje; Hofinger, Bernhard J.; Kanyuka, Kostya; Kilian, Benjamin; Graner, Andreas; Ordon, Frank; Stein, Nils
Source:
Theoretical and applied genetics 2017 v.130 no.2 pp. 331-344
ISSN:
0040-5752
Subject:
Barley mild mosaic virus; Barley yellow mosaic virus; Hordeum vulgare subsp. spontaneum; alleles; amino acid substitution; barley; evolution; genetic resistance; hosts; loss-of-function mutation; plant viruses; provenance; sequence diversity; East Asia
Abstract:
... KEY MESSAGE: Two distinct patterns of sequence diversity for the recessive alleles of two host factors HvPDIL5 - 1 and HvEIF4E indicated the adaptive selection for bymovirus resistance in cultivated barley from East Asia. Plant pathogens are constantly challenging plant fitness and driving resistance gene evolution in host species. Little is known about the evolution of sequence diversity in host ...
DOI:
10.1007/s00122-016-2814-z
PubMed:
27830284
PubMed Central:
PMC5263206

16. The potential of probabilistic graphical models in linkage map construction

Author:
Wang, Huange; van Eeuwijk, Fred A.; Jansen, Johannes
Source:
Theoretical and applied genetics 2017 v.130 no.2 pp. 433-444
ISSN:
0040-5752
Subject:
chromosome mapping; genotyping errors; models; reciprocal translocation
Abstract:
... KEY MESSAGE: Probabilistic graphical models show great potential for robust and reliable construction of linkage maps. We show how to use probabilistic graphical models to construct high-quality linkage maps in the face of data perturbations caused by genotyping errors and reciprocal translocations. It has been shown that linkage map construction can be hampered by the presence of genotyping error ...
DOI:
10.1007/s00122-016-2824-x
PubMed:
27921120
PubMed Central:
PMC5263214