E-ISSN 2536-9520 | ISSN 1110-2047
 
2025, Vol: 85
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Original Article
Online Published: 19 Feb 2016
 


Molecular Characterization of Tetracycline-Resistant Genes in Staphylococcus aureus Isolated from Dairy Cows and She-camels Suffering from Subclinical Mastitis

Alsagher O. Ali, Lamiaa M. El Shrief.


Abstract
The administration and the mass use of antimicrobial therapy without the appropriate dose or exposure time, enhance the emergence of antimicrobial resistance leading to increasing the difficulty to control the infectious bacterial agents in dairy farms and hence impose negative economic impact on dairy industry. Tetracycline resistance conferred with different genes but in this study, two genes were found tet (k) and tet (38). The tet (38) gene had high prevalence than the tet (k) gene and one of the interesting features found in this work that the tet (k) was found only in most of MRSA isolates (mecA gene harboring) while the tet (38) gene was found in all S. aureus isolates (MRSA and MSSA). High level of similarities were found between these genes isolated from different stains and their corresponding reference sequences retrieved from the GeneBank by applying the multiple sequence alignment and the phylogenetic analysis. Further analysis would be done to determine other genes of resistance to explore the whole picture of antibiotic resistance but on the genetic level.

Key words: tet (k), tet (38), MRSA, Antibiotic resistance


 
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Pubmed Style

Ali AO, Shrief LME. Molecular Characterization of Tetracycline-Resistant Genes in Staphylococcus aureus Isolated from Dairy Cows and She-camels Suffering from Subclinical Mastitis. AJVS. 2016; 48(2): 1-8. doi:10.5455/ajvs.211924

Web Style

Ali AO, Shrief LME. Molecular Characterization of Tetracycline-Resistant Genes in Staphylococcus aureus Isolated from Dairy Cows and She-camels Suffering from Subclinical Mastitis. https://www.alexjvs.com/?mno=211924 [Access: March 26, 2025]. doi:10.5455/ajvs.211924

AMA (American Medical Association) Style

Ali AO, Shrief LME. Molecular Characterization of Tetracycline-Resistant Genes in Staphylococcus aureus Isolated from Dairy Cows and She-camels Suffering from Subclinical Mastitis. AJVS. 2016; 48(2): 1-8. doi:10.5455/ajvs.211924


Vancouver/ICMJE Style

Ali AO, Shrief LME. Molecular Characterization of Tetracycline-Resistant Genes in Staphylococcus aureus Isolated from Dairy Cows and She-camels Suffering from Subclinical Mastitis. AJVS. (2016), [cited March 26, 2025]; 48(2): 1-8. doi:10.5455/ajvs.211924


Harvard Style

Ali, A. O. & Shrief, . L. M. E. (2016) Molecular Characterization of Tetracycline-Resistant Genes in Staphylococcus aureus Isolated from Dairy Cows and She-camels Suffering from Subclinical Mastitis. AJVS, 48 (2), 1-8. doi:10.5455/ajvs.211924


Turabian Style

Ali, Alsagher O., and Lamiaa M. El Shrief. 2016. Molecular Characterization of Tetracycline-Resistant Genes in Staphylococcus aureus Isolated from Dairy Cows and She-camels Suffering from Subclinical Mastitis. Alexandria Journal of Veterinary Sciences, 48 (2), 1-8. doi:10.5455/ajvs.211924


Chicago Style

Ali, Alsagher O., and Lamiaa M. El Shrief. "Molecular Characterization of Tetracycline-Resistant Genes in Staphylococcus aureus Isolated from Dairy Cows and She-camels Suffering from Subclinical Mastitis." Alexandria Journal of Veterinary Sciences 48 (2016), 1-8. doi:10.5455/ajvs.211924


MLA (The Modern Language Association) Style

Ali, Alsagher O., and Lamiaa M. El Shrief. "Molecular Characterization of Tetracycline-Resistant Genes in Staphylococcus aureus Isolated from Dairy Cows and She-camels Suffering from Subclinical Mastitis." Alexandria Journal of Veterinary Sciences 48.2 (2016), 1-8. Print. doi:10.5455/ajvs.211924


APA (American Psychological Association) Style

Ali, A. O. & Shrief, . L. M. E. (2016) Molecular Characterization of Tetracycline-Resistant Genes in Staphylococcus aureus Isolated from Dairy Cows and She-camels Suffering from Subclinical Mastitis. Alexandria Journal of Veterinary Sciences, 48 (2), 1-8. doi:10.5455/ajvs.211924




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    The Alexandria Journal of Veterinary Sciences (AJVS) Official Journal of Faculty of Veterinary Medicine, Alexandria University   ISSN: 1110 ... Read more.



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