Có 14+ tài liệu thuộc chủ đề "QTL mapping"
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Background: Genetic variation in growth over the course of the season is a major source of grain yield variation in wheat, and for this reason variants controlling heading date and plant height are among the best-characterized in wheat genetics. Here we develop a biparental population segregating for major variants for both plant height and flowering time to characterize the genetic...
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However, some specific characters hindered achievement of the traditional selective breeding based on phenotypes, such as lack of large-scale genomic resource and short of markers tightly associated with growth, sex determination and hypoxia tolerance related traits.. The map ’ length was 4047.01 cM by using an interval of 0.11 cm, which is an average marker standard.. The images or other...
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QTL mapping for soybean (Glycine max L.) leaf chlorophyll-content traits in a. Background: Different soybean (Glycine max L.) leaf chlorophyll-content traits are considered to be significantly linked to soybean yield. In this study, 78 QTLs for soybean leaf chlorophyll-content traits were identified. Conclusions: The detected QTLs and candidate genes may facilitate to gain a better understanding of the hereditary basis...
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The aims of this study were to identify quantitative trait loci (QTLs) and to develop genomics-assisted prediction models for salt, alkali, and salt-alkali tolerance in apple rootstock.. pumila Mill., sensitive) were used to identify 17, 13, and two QTLs for injury indices of salt, alkali, and salt – alkali stress via bulked segregant analysis. The genomic predicted value of an...
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Genome survey and high-resolution. backcross genetic linkage map construction of the ridgetail white prawn Exopalaemon carinicauda applications to QTL mapping of growth traits. Background: High-resolution genetic linkage map is critical for QTL mapping, genome sequence assembly and marker-assisted selection in aquaculture species. The ridgetail white prawn Exopalaemon carinicauda is one of the most economic shrimp species naturally distributed in the...
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Analysis of the 13 stable loci demonstrated that the more elite alleles that were pyramided in an individual, the higher the values of these traits were in the two cropping seasons. A total of 84 differentially expressed genes were obtained from the 13 stable loci via genome-wide expression analysis of the two parents at three key periods. Conclusions: Both the...
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traits in a tea plant ( Camellia sinensis ) using 2b-RAD sequencing. High-density genetic map construction associated with quantitative trait locus (QTL) mapping provides an effective way to facilitate trait improvement in plant breeding. In this study, an F1 population (LJ43×BHZ) was genotyped using 2b-restriction site-associated DNA (2b-RAD) sequencing to obtain massive single nucleotide polymorphism (SNP) markers to construct a...
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Dissection of the molecular bases of genotype x environment interactions: a study of phenotypic plasticity of. Within different individuals of the same species, phenotypic plasticity can vary greatly. The validation of the interaction of SSU1 allelic variants with the nature of the fermented juice increases knowledge about the impact of the sulfite pump during fermentation. It encompasses various aspects of...
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A high-resolution genetic linkage map and QTL fine mapping for growth-related traits and sex in the Yangtze River common carp ( Cyprinus carpio haematopterus. The Yangtze River common carp (Cyprinus carpio haematopterus) is one of the most important aquacultured strains in China. Results: A high-resolution genetic linkage map was constructed by using 7820 2b-RAD (2b-restriction site-associated DNA) and 295 microsatellite...
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Identification of new loci involved in the host susceptibility to Salmonella. Non-typhoidal Salmonella (NTS) serovars infect humans and animals, causing important health burden in the world. CC strains differed significantly ( P <. Using sequence variations between the eight CC founder strains combined with database mining for expression in target organs and known immune phenotypes, we were able to refine...
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Eleven of the remaining QTL appear to be driven by regulatory effects, suggested by the presence of co-locating, co-segregating eQTL discovered using mammary RNA sequence data from a population of 357 lactating cows. A number of the validated QTL are also found to be associated with additional milk volume, fat and protein phenotypes.. In some seals, almost no carbohydrate is...
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QTL mapping and candidate gene analysis of ferrous iron and zinc toxicity tolerance at seedling stage in rice by genome-wide. Background: Ferrous iron (Fe) and zinc (Zn) at high concentration in the soil cause heavy metal toxicity and greatly affect rice yield and quality. To improve rice production, understanding the genetic and molecular resistance mechanisms to excess Fe and Zn...
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A genome-wide association study (GWAS) was conducted in a population of 269 maize accessions with 43,737 single nucleotide polymorphisms (SNPs) to identify candidate genes and favorable alleles for controlling Cd accumulation in maize.. The significant SNP (SYN25051) at position could explained 27.1% of the phenotype variation. Conclusions: Our findings provide new insights into the genetic control of Cd accumulation and...