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Marker variance
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High-density single nucleotide polymorphisms (SNPs) are the most abundant and robust form of genetic variants and hence make highly favorable markers to determine the genetic diversity and relationship, enhancing the selection of breeding materials and the discovery of novel genes associated with economically important traits.
13p
vinarcissa
21-03-2023
2
1
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Sesame is an important and ancient oil crop in tropical and subtropical areas. China is one of the most important sesame producing countries with many germplasm accessions and excellent cultivars.
15p
vinarcissa
21-03-2023
4
1
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Japanese Black cattle are a beef breed whose meat is well known to excel in meat quality, especially in marbling, and whose effective population size is relatively low in Japan. Unlike dairy cattle, the accuracy of genomic evaluation (GE) for carcass traits in beef cattle, including this breed, has been poorly studied.
13p
vinarcissa
21-03-2023
4
1
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The amount of functional genomic information has been growing rapidly but remains largely unused in genomic selection. Genomic prediction and estimation using haplotypes in genome regions with functional elements such as all genes of the genome can be an approach to integrate functional and structural genomic information for genomic selection.
12p
vinarcissa
21-03-2023
5
1
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In animal breeding, genetic variance for complex traits is often estimated using linear mixed models that incorporate information from single nucleotide polymorphism (SNP) markers using a realized genomic relationship matrix.
16p
vinarcissa
21-03-2023
9
1
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In this study, we aimed to understand the genetic structure of 440 individual wild cherries sampled from 22 different populations in Turkey using 10 SSR molecular markers. With the molecular variance analysis, we found that the genetic diversity within the population is approximately 88.5% and the genetic diversity among the populations is approximately 9.8%. Thus, wild cherry genetic diversity within populations is high whereas it is moderate between tested populations (FST values 0.02-0.16).
12p
lyhuyenthu
31-01-2023
6
2
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It becomes clear that the increase in the density of marker panels and even the use of sequence data didn’t result in any meaningful increase in the accuracy of genomic selection (GS) using either regression (RM) or variance component (VC) approaches. This is in part due to the limitations of current methods.
10p
vihagrid
30-01-2023
8
3
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Amorphophallus albus P. Y. Liu & J. F. Chen (Araceae) is a plant species with extremely small populations (PSES P) and an important economic crop endemic to dry-hot valleys along the Jinsha River. In order to gain information for sustaining the development and conservation of A. albus, we studied the genetic diversity and population structure of this species using microsatellite markers (SSR).
11p
vihagrid
30-01-2023
6
3
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J. excelsa M. Bieb forms about 82% of the total juniper forests in Turkey. A total of 456 plant samples belonging to 19 J. excelsa populations were collected to determine the genetic variation of J. excelsa and compare their genetic diversity among populations via simple-sequence repeat (SSR) and intron targeted amplified polymorphism (ITAP) markers. Seven SSR and 132 ITAP loci were polymorphic. The percentage of polymorphism for ITAP loci at the population level ranged from 31.34 to 55.97.
23p
tudichquannguyet
29-11-2021
5
1
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After the extensive implementation of genomic selection (GS), the choice of the statistical model and data used to estimate variance components (VCs) remains unclear. A primary concern is that VCs estimated from a traditional pedigree-based animal model (P-AM) will be biased due to ignoring the impact of GS.
8p
viansan2711
30-07-2021
8
1
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Kernel weight and morphology are important traits affecting cereal yields and quality. Dissecting the genetic basis of thousand kernel weight (TKW) and its related traits is an effective method to improve wheat yield.
15p
vijichea2711
28-05-2021
5
1
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Rapid screening for phenotype-genotype associations by linear transformations of genomic evaluations
Currently, association studies are analysed using statistical mixed models, with marker effects estimated by a linear transformation of genomic breeding values. The variances of marker effects are needed when performing the tests of association.
11p
vikentucky2711
26-11-2020
10
0
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Dominance effect may play an important role in genetic variation of complex traits. Full featured and easy-to-use computing tools for genomic prediction and variance component estimation of additive and dominance effects using genome-wide single nucleotide polymorphism (SNP) markers are necessary to understand dominance contribution to a complex trait and to utilize dominance for selecting individuals with favorable genetic potential.
9p
vikentucky2711
26-11-2020
17
1
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Daffodil (Narcissus spp.) belongs to family Amaryllidaceae and is a bulbous perennial grown for attractive flower, borne in spring sometimes autumn or winter. The present study was carried out to assess the genetic diversity present in daffodils in temperate region of Kashmir India using eleven sample sequence repeats (SSR’s). Twenty seven genotypes of daffodils belonging to different species such as Narcissus incomparabilis, Narcissus pseudonarcissus, Narcissus jonquilla, Narcissus poeticus, Narcissus papyraceus were evaluated for molecular characterization.
10p
nguathienthan2
26-12-2019
32
0
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Mapping of QTL associated with sorghum aphid resistance was undertaken in a recombinant inbred population derived from 296B (susceptible) x IS 18551 (Resistance) parents. Totally 2 QTLs spread across linkage group were detected at threshold LOD of 2.50. The alleles of IS 18551 contributed to increase aphid tolerance. QTL analysis across season revealed that QTL mapped on LG ‘J’ was a major one, explaining 20.4% of the observed phenotypic variance with a peak LOD value 9.2 and showed nonsignificant Q x E interaction. This major QTL flanked by two linked markers i.e.
10p
kethamoi2
14-12-2019
16
1
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The genetic markers in inflammatory responses during mastitis afford a reasonable way for improving milk production in the Egyptian buffalo breed. Among them is the interleukin 8 Receptor Gene (IL8RB) (CXCR2); a chemokine receptor gene augments the neutrophil migration during infection. To understand its role better during mastitis in Egyptian buffalos, twenty-five dairy animals representing the normal, sub-clinically, clinically and chronically affected buffalos were randomly selected from different districts.
9p
trinhthamhodang1
14-11-2019
18
3
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Utilization of diverse germplasm is required to enhance the genetic variability of cultivars. Opportunity to generate favorable gene combinations can be provided by genetically diverse lines; thus, the probability of creating unique cultivars increases.
9p
vikimsa
22-02-2019
15
0
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European larch (Larix decidua) is naturally distributed at high elevations in Central Europe. Romanian populations of L. decidua are scattered in different areas of the country. In this study, we used 12 highly informative genomic simple sequence repeat (SSR) markers for genotyping seven populations from different areas of Romania.
11p
danhdanh11
09-01-2019
29
2
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How different levels of genetic variance affect the rate of evolutionary change within populations has also been intensively studied. Such changes were originally studied using phenotypic markers: variation among individual plants in traits, such as leaf shape or flower color (Ward et al., 2008). Subsequently the detection of genetic variation has become more sensitive, firstly through the utilization of variation in enzymes (allozymes) and then through PCR-based marker systems allowing direct examination of DNA sequence variation.
288p
conquynho32
18-09-2012
58
9
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Tuyển tập các báo cáo nghiên cứu về sinh học được đăng trên tạp chí sinh học thế giới đề tài: The effect of using approximate gametic variance covariance matrices on marker assisted selection by BLUP
20p
toshiba19
08-11-2011
53
6
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