In search for polymorphic DNA markers to increase resistance and production level of hens

2020 ◽  
Vol 1 (12) ◽  
pp. 98-104
Author(s):  
I. I. Kochish ◽  
◽  
О. V. Myasnikova ◽  
V. V. Martynov ◽  
V. I. Smolensky ◽  
...  
Keyword(s):  
Single Nucleotide Polymorphisms ◽  
Dopamine Receptor ◽  
Dna Markers ◽  
Production Level ◽  
Nucleotide Polymorphisms ◽  
Single Nucleotide ◽  
Pcr Rflp ◽  
Productive Traits ◽  
Pure Lines ◽  
The Relationship

In the article, the authors assess the prospect of using genetic polymorphisms to predict resistance to diseases and a possible enlarge in chicken production level. Using the PCR-RFLP method, we analyzed the SNP frequencies in the genes of myostatin (MSTN, or GDF-8), proopiomelanocortin (POMC), and dopamine receptor D2 (DRD2) in chickens of the pure lines of the Smena-8 broiler hybreed – B6, B7m / o (slow-feathering), B7b / o (fast-fledging) FSBI "Breeding and Genetic Center “Smena”. The relationship between the studied single nucleotide polymorphisms and the productive traits of chickens was determined. The assessment of the possibilities of using polymorphisms to increase the resistance and productivity of linear birds.

Sex Differences in Childhood Associations between DNA Markers and General Cognitive Ability

2007 ◽  
Vol 28 (3) ◽  
pp. 161-164 ◽  
Author(s):  
Rosalind Arden ◽  
Nicole Harlaar ◽  
Robert Plomin
Keyword(s):  
Sex Differences ◽  
Single Nucleotide Polymorphisms ◽  
Cognitive Ability ◽  
Dna Markers ◽  
Community Sample ◽  
Nucleotide Polymorphisms ◽  
General Cognitive Ability ◽  
Single Nucleotide ◽  
The Difference

Abstract. An association between intelligence at age 7 and a set of five single-nucleotide polymorphisms (SNPs) has been identified and replicated. We used this composite SNP set to investigate whether the associations differ between boys and girls for general cognitive ability at ages 2, 3, 4, 7, 9, and 10 years. In a longitudinal community sample of British twins aged 2-10 (n > 4,000 individuals), we found that the SNP set is more strongly associated with intelligence in males than in females at ages 7, 9, and 10 and the difference is significant at 10. If this finding replicates in other studies, these results will constitute the first evidence of the same autosomal genes acting differently on intelligence in the two sexes.

scholarly journals Association of single nucleotide polymorphisms in CACNA 1A/CACNA 1C/CACNA 1H calcium channel genes with diabetic peripheral neuropathy in Chinese population

2018 ◽  
Vol 38 (3) ◽  
Author(s):  
Lin Sun ◽  
Jun Ma ◽  
Qian Mao ◽  
Yun-Long Yang ◽  
Lin-Lin Ma ◽  
...  
Keyword(s):  
Peripheral Neuropathy ◽  
Single Nucleotide Polymorphisms ◽  
Calcium Channel ◽  
Diabetic Peripheral Neuropathy ◽  
Chinese Population ◽  
Control Group ◽  
Case Group ◽  
Nucleotide Polymorphisms ◽  
Single Nucleotide ◽  
Pcr Rflp

The present study was conducted to explore the correlations between single nucleotide polymorphisms (SNPs) in the calcium channel CACNA 1A, CACNA 1C, and CACNA 1H genes and diabetic peripheral neuropathy (DPN) amongst the Chinese population. In total, 281 patients diagnosed with type 2 diabetes participated in the present study. These patients were divided into the case group, which was subdivided into the DPN (143 cases) and the non-DPN groups (138 cases). Subsequently, 180 healthy individuals that had undergone routine health examinations were also recruited and assigned to the control group. PCR-restriction fragment length polymorphism (PCR-RFLP) was used to detect the genotype and allele frequencies of CACNA 1A, CACNA 1C, and CACNA 1H genes; logistic regression analysis to investigate the association of gene polymorphisms with DNP. Gene–gene interactions were then detected by generalized multifactor dimensionality reduction (GMDR). The results revealed that CACNA 1A rs2248069 and rsl6030, CACNA 1C rs216008 and rs2239050, and CACNA 1H rs3794619, and rs7191246 SNPs were all associated with DPN, while rs2248069, rsl6030, rs2239050, and rs7191246 polymorphisms were attributed to the susceptibility to DPN. It was also observed that the optimal models were three-, four- and five-dimensional models with a prediction accuracy of 61.05% and the greatest consistency of cross-validation was 10/10. In summary, these findings demonstrated that the SNPs in the CACNA 1A, CACNA 1C, and CACNA 1H genes were involved in the pathophysiology of DPN. In addition, polymorphisms in the CACNA 1A, CACNA 1C, and CACNA 1H genes and their interactions also had effects on DPN.

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