Genome-Wide Association Studies for Immunoglobulins in Colostrum and Serum in Chinese Holstein

2020 ◽  
Author(s):  
Shan Lin ◽  
Cuncun Ke ◽  
Lin Liu ◽  
Yahui Gao ◽  
Lingna Xu ◽  
...  
Keyword(s):  
Immune Response ◽  
Dairy Cattle ◽  
Candidate Genes ◽  
Functional Enrichment ◽  
Genome Wide Association ◽  
Holstein Cows ◽  
Genome Wide Association Studies ◽  
Chinese Holstein ◽  
Genome Wide ◽  
A Genome

Abstract BackgroundImmunoglobulins (Igs) are important components of the innate immune system, and fight pathogens as a part of the first defense line. Newborn dairy calves get maternal antibodies from colostrum. Therefore, contents of immunoglobulins in colostrum and serum of cows are essential traits when estimating potential natural disease resistance of calves. In this study, a genome-wide association study (GWAS) was performed to identify candidate genes that are responsible for the observed genetic variation of immunoglobulins contents in colostrum and blood in Holstein cows.ResultsColostrum, blood and hair follicle samples were collected from the 620 Chinese Holstein cows within 24 hours after calving. The concentration of IgG, IgG1, IgG2, IgA and IgM in both colostrum and serum were detected via ELISA methods, respectively. Using GCTA software, GWASs were performed with 88,934 SNPs genotyped by using Illumina 50K (54,609 SNPs) and GeneSeek 150K (140,668 SNPs) chips in which 50K chip were imputed to 150K SNPs with BEAGLE 3.0.4 software. As a result, 20 and 5 SNPs were detected genome-wide significantly associated with contents of the IgG and IgM in colostrum and serum (P<3.16E–6). In addition, 57, 11 and 10 SNPs were suggestive significantly associated with IgG, IgA and IgM traits (P<6.32E–5). Next, a total of 1,083 functional genes were identified that included or adjacent to these significant SNPs with a distance less than 1 Mb. Functional enrichment analysis showed that these genes were involved in immune related pathways, such as immune response, Fc gamma R-mediated phagocytosis, negative regulation of immunoglobulin secretion, humoral immune response, Fc-epsilon receptor and NF-kappaB signaling pathways. By integrating analysis of the functional enrichment and the known QTL data, we identified 21 candidate genes associated with contents of immunoglobulins in colostrum and serum, including ABR, TIMM22, CRK, MYO1C, RILP, SERPINF2, AKT1, BCL11B, HHIPL1, DYNC1H1, HSP90AA1, TRAF3, KLC1, IL6, PYCARD, ITGAM, TGFB1I1, GUSB, CRCP, RABGEF1 and SBDS.ConclusionsIn this study, we identified 21 candidate genes associated with immunoglobulins level in colostrum and serum in dairy cattle. This founding demonstrated the possibility of increasing immunity through selective breeding and provided an important information for molecular breeding of dairy cattle.

scholarly journals Genome-Wide Association Study Identifies Candidate Genes Associated with Feet and Leg Conformation Traits in Chinese Holstein Cattle

Animals ◽  
2021 ◽  
Vol 11 (8) ◽  
pp. 2259
Author(s):  
Ismail Mohamed Abdalla ◽  
Xubin Lu ◽  
Mudasir Nazar ◽  
Abdelaziz Adam Idriss Arbab ◽  
Tianle Xu ◽  
...  
Keyword(s):  
Dairy Cattle ◽  
Candidate Genes ◽  
Association Studies ◽  
Significant Snps ◽  
Genome Wide Association ◽  
Holstein Cattle ◽  
Genome Wide Association Studies ◽  
Chinese Holstein ◽  
Genome Wide ◽  
Chinese Holstein Cattle

Feet and leg conformation traits are considered one of the most important economical traits in dairy cattle and have a great impact on the profitability of milk production. Therefore, identifying the single nucleotide polymorphisms (SNPs), genes and pathways analysis associated with these traits might contribute to the genomic selection and long-term plan selection for dairy cattle. We conducted genome-wide association studies (GWASs) using the fixed and random model circulating probability unification (FarmCPU) method to identify SNPs associated with bone quality, heel depth, rear leg side view and rear leg rear view of Chinese Holstein cows. Phenotypic measurements were collected from 1000 individuals of Chinese Holstein cattle and the GeneSeek Genomic Profiler Bovine 100 K SNP chip was utilized for individual genotyping. After quality control, 984 individual cows and 84,906 SNPs remained for GWAS work; as a result, we identified 20 significant SNPs after Bonferroni correction. Several candidate genes were identified within distances of 200 kb upstream or downstream to the significant SNPs, including ADIPOR2, INPP4A, DNMT3A, ALDH1A2, PCDH7, XKR4 and CADPS. Further bioinformatics analyses showed 34 gene ontology terms and two signaling pathways were significantly enriched (p ≤ 0.05). Many terms and pathways are related to biological quality, metabolism and development processes; these identified SNPs and genes could provide useful information about the genetic architecture of feet and leg traits, thus improving the longevity and productivity of Chinese Holstein dairy cattle.

scholarly journals Genome-Wide Association Studies of Leaf Angle in Maize

2021 ◽  
Author(s):  
Bo Peng ◽  
Xiaolei Zhao ◽  
Yi Wang ◽  
Chunhui Li ◽  
Yongxiang Li ◽  
...  
Keyword(s):  
Candidate Genes ◽  
Phenotypic Variation ◽  
Genetic Basis ◽  
Genome Wide Association ◽  
Leaf Angle ◽  
Genome Wide Association Studies ◽  
Major Qtls ◽  
Genome Wide ◽  
Population Structure Analysis ◽  
A Genome

Abstract Compact plant-type with small leaf angle has increased canopy light interception, which is conducive to the photosynthesis of the population and higher population yield at high density planting in maize. In this study, a panel of 285 diverse maize inbred lines genotyped with 56,000 SNPs was used to investigate the genetic basis of leaf angle across three consecutive years using a genome-wide association study (GWAS). The leaf angle showed broad phenotypic variation and high heritability across different years. Population structure analysis subdivided the panel into four subgroups that correspond to the four major empirical germplasm origins in China, i.e., Tangsipingtou, Reid, Lancaster and P. When tested with the optimal GWAS model, we found that the Q+K model was the best in reducing false positive. In total, 96 SNPs accounting for 5.54%-10.44% of phenotypic variation were significantly (P<0.0001) associated with leaf angle across three years. According to the linkage disequilibrium decay distance, 96 SNPs were binned in 43 QTLs for leaf angle. Seven major QTLs with R2>8% stably detected in at least two years and BLUP values were clustered in four genomic regions (bins 2.01, 2.07, 5.06, and 10.04). Seven important candidate genes, Zm00001d001961, Zm00001d006348, Zm00001d006463, Zm00001d017618, Zm00001d024919, Zm00001d025018, and Zm00001d025033 were predicted for the seven stable major QTLs, respectively. The markers identified in this study can be used for molecular breeding for leaf angle, and the candidate genes would contribute to further understanding of the genetic basis of leaf angle.

scholarly journals Genome-wide association studies of mineral and phytic acid concentrations in pea (Pisum sativum L.) to evaluate biofortification potential

2021 ◽  
Author(s):  
Sarah Powers ◽  
J Lucas Boatwright ◽  
Dil Thavarajah
Keyword(s):  
Pisum Sativum ◽  
Candidate Genes ◽  
Phytic Acid ◽  
Reference Genome ◽  
Genome Wide Association ◽  
Genome Wide Association Studies ◽  
Single Plant ◽  
Pisum Sativum L ◽  
Genome Wide ◽  
A Genome

Abstract Pea (Pisum sativum L.) is an important cool season food legume for sustainable food production and human nutrition due to its nitrogen fixation capabilities and nutrient-dense seed. However, minimal breeding research has been conducted to improve the nutritional quality of the seed for biofortification, and most genomic-assisted breeding studies utilize small populations with few single nucleotide polymorphisms (SNPs). Genomic resources for pea have lagged behind those of other grain crops, but the recent release of the Pea Single Plant Plus Collection (PSPPC) and the pea reference genome provide new tools to study nutritional traits for biofortification. Calcium, phosphorus, potassium, iron, zinc, and phytic acid concentrations were measured in a study population of 299 different accessions grown under greenhouse conditions. Broad phenotypic variation was detected for all parameters except phytic acid. Calcium exhibited moderate broad-sense heritability (H2) estimates, at 50%, while all other minerals exhibited low heritability. Of the accessions used, 267 were previously genotyped in the PSPPC release by the USDA, and we mapped the genotyping data to the pea reference genome for the first time. This study generated 54,344 high-quality SNPs used to investigate the population structure of the Pea Single Plant Plus Collection and perform a genome-wide association study to identify genomic loci associated with mineral concentrations in mature pea seed. Overall, we were able to identify multiple significant SNPs and candidate genes for iron, phosphorus, and zinc. These results can be used for genetic improvement in pea for nutritional traits and biofortification, and the candidate genes provide insight into mineral metabolism.

scholarly journals Genome-Wide Association Studies and Transcriptome Changes during Acclimation and Deacclimation in Divergent Brassica napus Varieties

2020 ◽  
Vol 21 (23) ◽  
pp. 9148 ◽  
Author(s):  
David P. Horvath ◽  
Jiaping Zhang ◽  
Wun S. Chao ◽  
Ashok Mandal ◽  
Mukhlesur Rahman ◽  
...  
Keyword(s):  
Oxidative Stress ◽  
Cold Acclimation ◽  
Candidate Genes ◽  
Calcium Binding ◽  
Association Studies ◽  
Differentially Expressed ◽  
Genome Wide Association ◽  
Genome Wide Association Studies ◽  
Genome Wide ◽  
A Genome

Information concerning genes and signals regulating cold acclimation processes in plants is abundant; however, less is known about genes and signals regulating the deacclimation process. A population of primarily winter B. napus varieties was used to conduct a genome-wide association study and to compare the transcriptomes from two winter B. napus varieties showing time-dependent differences in response to cold acclimation and deacclimation treatments. These studies helped to identify loci, candidate genes, and signaling processes impacting deacclimation in B. napus. GWAS identified polymorphisms at five different loci associated with freezing tolerance following deacclimation. Local linkage decay rates near these polymorphisms identified 38 possible candidate genes. Several of these genes have been reported as differentially regulated by cold stress in arabidopsis (Arabidopsis thaliana), including a calcium-binding EF-hand family protein (encoded by BnaCnng10250D) that was also differentially expressed during deacclimation in this study. Thousands of other genes differentially expressed during the acclimation and deacclimation treatments implicated processes involving oxidative stress, photosynthesis, light-regulated diurnal responses, and growth regulation. Generally, responses observed during acclimation were reversed within one week of deacclimation. The primary differences between the two winter B. napus varieties with differential deacclimation responses involved protection from oxidative stress and the ability to maintain photosynthesis.

scholarly journals Genome-wide association studies detects candidate genes for wool traits by re-sequencing in Chinese fine-wool sheep

BMC Genomics ◽  
2021 ◽  
Vol 22 (1) ◽  
Author(s):  
Hongchang Zhao ◽  
Tingting Guo ◽  
Zengkui Lu ◽  
Jianbin Liu ◽  
Shaohua Zhu ◽  
...  
Keyword(s):  
Cell Proliferation ◽  
Candidate Genes ◽  
Fiber Diameter ◽  
Significant Snps ◽  
Genome Wide Association ◽  
Genome Wide Association Studies ◽  
Merino Sheep ◽  
Genome Wide ◽  
A Genome ◽  
Staple Length

Abstract Background The quality and yield of wool determine the economic value of the fine-wool sheep. Therefore, discovering markers or genes relevant to wool traits is the cornerstone for the breeding of fine-wool sheep. In this study, we used the Illumina HiSeq X Ten platform to re-sequence 460 sheep belonging to four different fine-wool sheep breeds, namely, Alpine Merino sheep (AMS), Chinese Merino sheep (CMS), Aohan fine-wool sheep (AHS) and Qinghai fine-wool sheep (QHS). Eight wool traits, including fiber diameter (FD), fiber diameter coefficient of variance (FDCV), fiber diameter standard deviation (FDSD), staple length (SL), greasy fleece weight (GFW), clean wool rate (CWR), staple strength (SS) and staple elongation (SE) were examined. A genome-wide association study (GWAS) was performed to detect the candidate genes for the eight wool traits. Results A total of 8.222 Tb of raw data was generated, with an average of approximately 8.59X sequencing depth. After quality control, 12,561,225 SNPs were available for analysis. And a total of 57 genome-wide significant SNPs and 30 candidate genes were detected for the desired wool traits. Among them, 7 SNPs and 6 genes are related to wool fineness indicators (FD, FDCV and FDSD), 10 SNPs and 7 genes are related to staple length, 13 SNPs and 7 genes are related to wool production indicators (GFW and CWR), 27 SNPs and 10 genes associated with staple elongation. Among these candidate genes, UBE2E3 and RHPN2 associated with fiber diameter, were found to play an important role in keratinocyte differentiation and cell proliferation. Gene ontology (GO) and Kyoto Encyclopedia of Genes and Genomes (KEGG) enrichment results, revealed that multitude significant pathways are related to keratin and cell proliferation and differentiation, such as positive regulation of canonical Wnt signaling pathway (GO:0090263). Conclusion This is the first GWAS on the wool traits by using re-sequencing data in Chinese fine-wool sheep. The newly detected significant SNPs in this study can be used in genome-selective breeding for the fine-wool sheep. And the new candidate genes would provide a good theoretical basis for the fine-wool sheep breeding.

scholarly journals Genome-Wide Association Study on Reproduction-Related Body-Shape Traits of Chinese Holstein Cows

Animals ◽  
2021 ◽  
Vol 11 (7) ◽  
pp. 1927
Author(s):  
Xubin Lu ◽  
Ismail Mohamed Abdalla ◽  
Mudasir Nazar ◽  
Yongliang Fan ◽  
Zhipeng Zhang ◽  
...  
Keyword(s):  
Dairy Cows ◽  
Candidate Genes ◽  
Body Shape ◽  
Genome Wide Association Study ◽  
Genome Wide Association ◽  
Biological Information ◽  
Holstein Cows ◽  
Chinese Holstein ◽  
Genome Wide ◽  
Chinese Holstein Cows

Reproduction is an important production activity for dairy cows, and their reproductive performance can directly affect the level of farmers’ income. To better understand the genomic regions and biological pathways of reproduction-related traits of dairy cows, in the present study, three body shape traits—Loin Strength (LS), Rump Angle (RA), and Pin Width (PW)—were selected as indicators of the reproductive ability of cows, and we conducted genome-wide association analyses on them. The heritability of these three traits was medium, ranging from 0.20 to 0.38. A total of 11 significant single-nucleotide polymorphisms (SNPs) were detected associated with these three traits. Bioinformatics analysis was performed on genes close to the significant SNPs (within 200 Kb) of LS, RA, and PW, and we found that these genes were totally enriched in 20 gene ontology terms and six KEGG signaling pathways. Finally, the five genes CDH12, TARP, PCDH9, DTHD1, and ARAP2 were selected as candidate genes that might affect LS. The six genes LOC781835, FSTL4, ATG4C, SH3BP4, DMP1, and DSPP were selected as candidate genes that might affect RA. The five genes USP6NL, CNTN3, LOC101907665, UPF2, and ECHDC3 were selected as candidate genes that might affect the PW of Chinese Holstein cows. Our results could provide useful biological information for the improvement of body shape traits and contribute to the genomic selection of Chinese Holstein cows.

scholarly journals Genome-Wide Association Studies Reveal Susceptibility Loci for Noninfectious Claw Lesions in Holstein Dairy Cattle

2021 ◽  
Vol 12 ◽  
Author(s):  
Ellen Lai ◽  
Alexa L. Danner ◽  
Thomas R. Famula ◽  
Anita M. Oberbauer
Keyword(s):  
Dairy Cattle ◽  
Candidate Genes ◽  
Linear Mixed Model ◽  
Association Studies ◽  
Genome Wide Association ◽  
Phenotypic Variance ◽  
Genome Wide Association Studies ◽  
Susceptibility Loci ◽  
Genome Wide ◽  
Claw Lesions

Sole ulcers (SUs) and white line disease (WLD) are two common noninfectious claw lesions (NICL) that arise due to a compromised horn production and are frequent causes of lameness in dairy cattle, imposing welfare and profitability concerns. Low to moderate heritability estimates of SU and WLD susceptibility indicate that genetic selection could reduce their prevalence. To identify the susceptibility loci for SU, WLD, SU and/or WLD, and any type of noninfectious claw lesion, genome-wide association studies (GWAS) were performed using generalized linear mixed model (GLMM) regression, chunk-based association testing (CBAT), and a random forest (RF) approach. Cows from five commercial dairies in California were classified as controls having no lameness records and ≥6 years old (n = 102) or cases having SU (n = 152), WLD (n = 117), SU and/or WLD (SU + WLD, n = 198), or any type of noninfectious claw lesion (n = 217). The top single nucleotide polymorphisms (SNPs) were defined as those passing the Bonferroni-corrected suggestive and significance thresholds in the GLMM analysis or those that a validated RF model considered important. Effects of the top SNPs were quantified using Bayesian estimation. Linkage disequilibrium (LD) blocks defined by the top SNPs were explored for candidate genes and previously identified, functionally relevant quantitative trait loci. The GLMM and CBAT approaches revealed the same regions of association on BTA8 for SU and BTA13 common to WLD, SU + WLD, and NICL. These SNPs had effects significantly different from zero, and the LD blocks they defined explained a significant amount of phenotypic variance for each dataset (6.1–8.1%, p &lt; 0.05), indicating the small but notable contribution of these regions to susceptibility. These regions contained candidate genes involved in wound healing, skin lesions, bone growth and mineralization, adipose tissue, and keratinization. The LD block defined by the most significant SNP on BTA8 for SU included a SNP previously associated with SU. The RF models were overfitted, indicating that the SNP effects were very small, thereby preventing meaningful interpretation of SNPs and any downstream analyses. These findings suggested that variants associated with various physiological systems may contribute to susceptibility for NICL, demonstrating the complexity of genetic predisposition.

scholarly journals Genome-wide association studies uncover candidate genes for Zinc, Iron, and Selenium concentration in barley grains

2021 ◽  
Author(s):  
Samar G. Thabet ◽  
Dalia Z. Alomari ◽  
Ahmad M. Alqudah
Keyword(s):  
Candidate Genes ◽  
Genome Wide Association Study ◽  
Association Studies ◽  
Spring Barley ◽  
Genome Wide Association ◽  
Human Consumption ◽  
Genome Wide Association Studies ◽  
Genome Wide ◽  
A Genome ◽  
Barley Grains

Abstract Background Barley (Hordeum vulgare L.) is one of the most important staple food crops worldwide. Mineral concentrations in cereals are important for human health; hence improving Zn, Fe and Se accumulation in grains is an imperative need. This study was designed to understand the genetic architecture of Zn, Fe and Se grain concentrations in barley grains. Results We performed a genome-wide association study (GWAS) for grain Zn, Fe and Se concentrations in 216 spring barley accessions, using field data from 2 years. All the accessions were genotyped with a high-density 9K SNPs array from IlluminaTM. The mean values of estimated BLUEs for Zn, Fe and Se were 38.37, 35.56 and 39.45 µg g− 1 dry weight, respectively. High heritability was equaled 75.65% for Fe across the two environments, while moderate heritability values were detected for Zn and Se. Notably, wide genetic variation was found among genotypes for Zn, Fe and Se concentrations. A total of 222 SNPs associated with Zn, Fe and Se were detected on all chromosomes, where the highest significant associations is linked to Fe accumulation. Three genomic regions include newly identified putative candidate genes, which are related to Zn uptake and transport or represent Homeobox leucine zipper protein. Additionally, several significant associations were physically located inside or near genes which are potentially involved in Zn and Fe homoeostasis of which two candidate genes at 5H (502,454,312–502,455,148 bp) and 7H (205,216,091–205,221,133 bp) were found to be involved in Basic helix loop helix (BHLH) family transcription factor and Squamosa promoter binding-like protein, respectively. Conclusions These findings provide new insights into the genetic basis of Zn, Fe and Se concentration in barley grains that in turn may help plant breeders to select high Zn, Fe and Se-containing genotypes to improve human consumption and grain quality.

scholarly journals A genome-wide association study of childhood adiposity and blood lipids

2021 ◽  
Vol 6 ◽  
pp. 303
Author(s):  
Katie O'Nunain ◽  
Eleanor Sanderson ◽  
Michael Holmes ◽  
George Davey Smith ◽  
Tom Richardson
Keyword(s):  
Blood Pressure ◽  
Genetic Correlations ◽  
Later Life ◽  
Functional Enrichment ◽  
Genome Wide Association ◽  
Health Concern ◽  
Genome Wide Association Studies ◽  
Childhood Adiposity ◽  
Genome Wide ◽  
A Genome

Background: The rising prevalence of childhood obesity and dyslipidaemia is a major public health concern due to its association with morbidity and mortality in later life. Methods: In this study, we have conducted genome-wide association studies (GWAS) for eight measures of adiposity and lipids in a cohort of young individuals (mean age 9.9) from the Avon Longitudinal Study of Parents and Children (ALSPAC). These measures were body mass index (BMI), systolic and diastolic blood pressure, high- density and low-density lipoprotein cholesterol, triglycerides, apolipoprotein A-I and apolipoprotein B. We next undertook functional enrichment, pathway analyses and linkage disequilibrium (LD) score regression to evaluate genetic correlations with later-life cardiometabolic diseases. Results: Using GWAS we identified 14 unique loci associated with at least one risk factor in this cohort of age 10 individuals (P<5x10-8), with lipoprotein lipid-associated loci being enriched for liver tissue-derived gene expression and lipid synthesis pathways. LD score regression provided evidence of various genetic correlations, such as childhood systolic blood pressure being genetically correlated with later-life coronary artery disease (rG=0.26, 95% CI=0.07 to 0.46, P=0.009) and hypertension (rG=0.37, 95% CI=0.19 to 0.55, P=6.57x10-5), as well as childhood BMI with type 2 diabetes (rG=0.35, 95% CI=0.18 to 0.51, P=3.28x10-5). Conclusions: Our findings suggest that there are genetic variants inherited at birth which begin to exert their effects on cardiometabolic risk factors as early as age 10 in the life course. However, further research is required to assess whether the genetic correlations we have identified are due to direct or indirect effects of childhood adiposity and lipid traits.

Genome-Wide Association Studies for Immunoglobulin Concentrations in Colostrum and Serum in Chinese Holstein

2020 ◽  
Author(s):  
Shan Lin ◽  
Cuncun Ke ◽  
Lin Liu ◽  
Yahui Gao ◽  
Lingna Xu ◽  
...  
Keyword(s):  
Dairy Cattle ◽  
Association Studies ◽  
Early Death ◽  
Significant Snps ◽  
Genome Wide Association ◽  
Economic Losses ◽  
Genome Wide Association Studies ◽  
Chinese Holstein ◽  
Genome Wide ◽  
Nf Kappab

Abstract BackgroundThe early death and health problems of calves caused substantial economic losses in dairy industry. As the immune system has not been fully developed in the neonates, transport of passive immune substance such as immunoglobulins (Ig) from mothers to newborn calves is essential in protecting neonates from infections in their early life. Therefore, concentrations of immunoglobulins in the colostrum and serum of dairy cows are critical traits when estimating potential disease resistance of its offspring. ResultsColostrum, blood and hair follicle samples were collected from the 620 Chinese Holstein cows within 24 hours after calving. The concentration of total IgG, IgG1, IgG2, IgA and IgM in both colostrum and serum were detected via ELISA methods. With GCTA software, genome-wide association studies (GWASs) were performed with 88,934 SNPs genotyped by using Illumina 50K (54,609 SNPs) and GeneSeek 150K (140,668 SNPs) chips in which 50K chip were imputed to 150K SNPs with BEAGLE. As a result, 20, 1 and 4 significant SNPs were detected associated with the concentrations of IgG2, IgA and IgM at genome-wide level (P < 3.16E–6); 11, 11, 35, 11 and 10 significant SNPs were identified associated with total IgG, IgG1, IgG2, IgA and IgM at suggestive level (P < 6.32E–5). Such SNPs were located in or proximate to (±1 Mb) 1,083 genes, which were functionally implicated in biological processes and pathways, such as immune response, negative regulation of immunoglobulin secretion, Fc-epsilon receptor and NF-kappaB signaling pathways. By combining the biological functions and the known QTL data for immune traits in bovine, 21 promising candidate functional genes were identified for immunoglobulins concentrations in colostrum and serum in dairy cattle, they were ABR, TIMM22, CRK, MYO1C, RILP, SERPINF2, AKT1, BCL11B, HHIPL1, DYNC1H1, HSP90AA1, TRAF3, KLC1, IL6, PYCARD, ITGAM, TGFB1I1, GUSB, CRCP, RABGEF1 and SBDS.ConclusionsIn this study, we identified 21 candidate genes related to concentrations of immunoglobulins in colostrum and serum in dairy cattle by performing GWASs. Our findings provide a groundwork for unraveling the key genes and causal mutations affecting immunoglobulins levels in colostrum and important information for genetic improvement of such traits in dairy cattle.

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