Phenotypic qtl

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WebJan 21, 2024 · QTL mapping was implemented with the integration of the genotypic and phenotypic data of eight agronomic and economic traits, including yield and fiber quality. Our findings will not only contribute to dissecting the genetic basis underlying yield and fiber quality and their genetic correlations but also provide insights into the simultaneous ... WebPhenotypic evaluation A. Recording phenotypic data A key part of QTL analysis is obtaining accurate estimates of the traits of interest for each line in the mapping population. For most traits, this involves the use of randomized, replicated designs and …

Proportional Variance Explained by QTL and Statistical Power

WebDec 4, 2024 · Each QTL explained 1.12–38.05% of the phenotypic variance (PVE); notably, QTL qPEDS3.1 with the average PVE of 35.29% was identified in all tests. Moreover, 14 epistatic QTL were detected, with the total PVE of 47.57–66.81% in each test. The QTL qPEDS3.1 overlapped with, or was close to, one locus of 7 epistatic QTL. WebOct 13, 2024 · The phenotypic variance explained (PVE) by each additive QTL or epistatic QTL and the corresponding additive effects were also estimated. In order to better reveal the genetic mechanism of leaf related traits and chlorophyll, the physical positions QTL for the same traits were compared in different populations based on the physical location of ... how to execute novaline

Quantitative Trait Loci Mapping for Spike Characteristics in ... - PubMed

WebSep 4, 2024 · Therefore, developing genetic tolerance to salinity stress becomes imperative. For seedling stage salinity tolerance, a major QTL, Saltol, explaining 43–70% of phenotypic variation was mapped... WebJul 29, 2024 · For soluble solids concentration (SSC), one QTL was mapped on LG5 at 60-72 cM and explained from 17 to 39% of the phenotypic variance. A major QTL for titratable acidity (TA) co-localized with the major locus for low-acid fruit ( D -locus). It was mapped at the proximal end of LG5 and explained 35 to 80% of the phenotypic variance. WebApr 12, 2024 · On the basis of a high-density genetic linkage map [20] and phenotypic data of the KJ-RIL population in eight environments [36], QTL detection of TKW, KL, and KW was performed using the inclusive composite interval mapping (ICIM) method of IciMapping 4.0 [38] based on stepwise regression. The walking speed was 0.1 cM, and an empirical … how to execute on demon fall

Genetics of phenotypic plasticity: QTL analysis in barley,

WebAbed and Belzile, (2024a) demonstrated that the multi-SNP approach and the haplotype-based approaches, which simultaneously test multiple SNPs, were more effective in QTL detection than the single ... WebApr 11, 2024 · Previously, in , we showed that QTL×QTL×QTL interaction effects assessments obtained with molecular marker observations (using traditional unweighted regression) had smaller absolute values than assessments based on phenotypic observations alone. The differences obtained were so large that it was decided to propose … how to execute matlab scriptWebNov 27, 2024 · The phenotypic variation explained by these QTLs ranged from 8.4 to 23.0%, with a mean value of 14.25 and 14.46%, 14.03 and 12.97%, and 10.83 and 13.67% for KL and KW in F 2 -2016, F 2:3 -2024, and F 2:3 -2024, respectively. The LOD score ranges from 4.0 for qKL-7 to 9.5 for qKW-1. how to execute multiple commands in asp.net

"WebApr 9, 2024 · Most of the phenotypic traits commonly used in introductory genetics are qualitative, meaning that the phenotype exists in only two (or possibly a few more) discrete, alternative forms, such as either purple or white flowers, or red or white eyes. These qualitative traits are therefore said to exhibit discrete variation. " - Phenotypic qtl

Phenotypic qtl

Frontiers Genetic dissection of QTLs for oil content in four maize …

WebSep 18, 2014 · Phenotypic variation explained by individual QTL ranged from 0.44 % (number of seminal roots, NyH population) to 13.5 % (shoot dry weight, OhW population). Identification of QTL for root architectural traits may be useful for developing genotypes that are better suited to specific soil environments. WebQuantitative trait locus (QTL) analysis is a statistical method which links the phenotypic data (trait measurements) to genotypic data (usually molecular markers) to explain the genetic basis of variation underlying complex traits (Miles and Wayne, 2008).

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WebMar 11, 2024 · A small-effect QTL can be detected in a very large sample, but such a small-effect QTL is useless in any breeding programs. The final reported variance of a detected QTL is often converted into the proportion of phenotypic variance contributed by the QTL, called the QTL heritability [ 5, 6 ]. Webqtl.outbred is an extendible interface in the statistical environment, R, for combining quantitative trait loci (QTL) mapping tools. It is built as an umbrella package that enables outbred...

WebAug 31, 2010 · Additionally, QTL were identified for a segregating mapping population of ‘Co-op 17’ x ‘Co-op 16’ cross. Phenotypic data were collected for fruit firmness, shape, weight, total soluble solids, and total titratable acids. A total of 502 SSRs derived from three sources, bacterial artificial chromosome (BAC) end sequencing, expressed ... WebRahil Shahzad, ... Sohail Akhter, in Plant Perspectives to Global Climate Changes, 2024. 2.3 QTL mapping and stress tolerance. QTL analysis is a statistical method that provides a link between phenotype and genotype of a plant in order to explain the genetic variations in different complex traits (Leal, 2001).QTL analysis requires two or more organisms that …

WebFeb 23, 2024 · PRL in recombinant inbred line (RIL) population showed continuous phenotypic distributions and transgressive segregation in both directions was observed (Fig. 2a). QTL analysis by inclusive composite interval mapping (ICIM) method using 223 SSRs genetic map in the RIL population revealed a major QTL for PRL between SSR markers … WebNov 2, 2024 · Cucumber (Cucumis sativus L.) fruit size/shape (FS) is an important yield and quality trait that is quantitatively inherited. Many quantitative trait loci (QTLs) for fruit size/shape have been identified, but very few have been fine-mapped or cloned. In this study, through marker-assisted foreground and background selections, we developed near …

WebJun 11, 2024 · Observed phenotypic variation in living organisms is shaped by genomes, environment, and their interactions. Flowering time under natural conditions can showcase the diverse outcome of the gene–env... Observed phenotypic variation in living organisms is shaped by genomes, environment, Flowering time under natural condition...

WebOct 22, 2008 · Phenotypic plasticity is the variation in phenotypic traits produced by a genotype in different environments. In contrast, environmental canalization is defined as the insensitivity of a... how to execute node jsWebQuantitative trait loci (QTL) analysis involving additive effects, epistasis (QQ) and QTL × environment (QE), and epistasis × environment (QQE) interactions detected a total of 109 QTL, 13 QE, and 20 QQ interactions in five environments. Spike characteristics were mainly determined by additive effects and were fine-tuned by QQ, QE, and QQE. lee baker south africa how to execute on xbox demonfallWebPartition of Phenotypic Values I Today we will focus on I Contribution of a QTL to the variance of a quantitative trait I Statistical power for detecting QTL in GWAS I Consider once again the classical quantitative genetics model of Y = G + E where Y is the phenotype value, G is the genotypic value, and E is the environmental deviation that is lee baker soccer houstonWebPhenotypic evaluation A. Recording phenotypic data A key part of QTL analysis is obtaining accurate estimates of the traits of interest for each line in the mapping population. For most traits, this involves the use of randomized, replicated designs and … how to execute normal shell commands in perlWebApr 12, 2024 · In TOC1, three QTLs (qOC-1-1, qOC-1-2 and qOC-1-3) distributed on chromosome 3, 5 and 9.The QTL, qOC-1-3, with the largest effect (30.84% of the phenotypic variation) was located on chromosome 9.The parental KB717001 allele at this locus had an additive effect of 0.24% for increased oil content. The second QTL qOC-1-2 was located … lee baker southamptonWebFeb 4, 2024 · Putative QTL were designated as major QTL if they explained greater than 10% of the observed variation . Peak marker positions for each chromosome (based on LOD score) were used to identify linkage blocks between flanking markers to identify chromosomal regions containing the suspected QTL, according to their physical positions. lee bakery in tylertown ms