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Abstract
Research in Medical & Engineering Sciences
5-Methylcytosine DNA Methylation Patterns among Gut Predominate Commensal Escherichia coli and Lactobacilli from the Balbas and Mazekh Domestic Sheep Breeds
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Open or Close Pepoyan AZ1,2*, Balayan MA1,2, Bezhanyan T2, Badalyan M1,2, Tsaturyan V2, Melnikov V3, Kamiya S4, Netrebov5 and Chikindas M6
1Armenian National Agrarian University, Armenia
2International Association for Human and Animals Health Improvement, Armenia
3Central Research Institute of Epidemiology, Russia;
4Kyorin University School of Medicine, Japan
5School of Environmental and Biological Sciences, Rutgers State University, USA
6Center for Digestive Health, NJ Institute for Food, Nutrition and Health, USA
*Corresponding author: Astghik Pepoyan, Food Safety and Biotechnology department, Armenian National Agrarian University, 74 Teryan, Yerevan 0009, Armenia
Submission: August 08, 2017; Published: September 08, 2017
ISSN: 2576-8816Volume1 Issue3
Abstract
The aim of current investigation was to compare the 5-methylcytosine level in genomic DNA of commensal Escherichia coli and lactobacilli from the widely bred in Armenia sheep breeds-Mazekh and Balbas. The results revealed statistically confirmed differences in5-methylcytosine methylation patterns of these bacteria in the bacterial isolates from Mazekh and Balbas sheep. The percentage of 5-methylcytosine of the genomic DNA was statistically higher for isolates from the Mazekh sheep in comparison with those of Balbas sheep (34.5±7.57 vs. 5.05±2.4, P <0.05). The Scatter Plot of relationship between cell surface hydrophobicity and genomic DNA’s 5-methylcytosine levels shows a moderately strong negative relationship between these characteristics of sheep gut isolates (Pearson R is -0.75). These results may be important for veterinary medicine and breeding programs.
Keywords:Commensals; Escherichia coli; Gut; Lactobacilli; Sheep
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