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Journal of Environmental Biology

pISSN: 0254-8704 ; eISSN: 2394-0379 ; CODEN: JEBIDP

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        Abstract - Issue Jul 2018, 39 (4)                                                                                                             Back

nstantaneous and historical temperature effects on a-pinene

Prevalence of community- acquired methicillin- resistant Staphylococcus aureus among tribal population of

north- western Himalayas, India


H. Kumar1*, U. Zahoor2, R. Rana2, T. Mahajan2, M. Premeshwari Devi2, R.K. Garg2, R. Kumar3, S. Khanna3,

H.N. Laskar3, P. Thakur3, K. Tongbram3, D. Dwivedi3 and R. Palaha4

1Faculty of Microbiology, Lovely Professional University, Phagwara -144 411, India

2Undergraduate Programme of Biotechnology, Lovely Professional University, Phagwara-144 411, India

3Undergraduate Programme of Microbiology, Lovely Professional University, Phagwara-144 411, India

4Department of Health, Civil Hospital, Bathinda-151 001, India

*Corresponding Author E-mail:




Key words


Nasal colonization

Staphylococcus aureus

Tribal population




Publication Data

Paper received : 12.02.2017

Revised received : 08.08.2017

Re-revised received : 14.11.2017

Accepted : 24.11.2017  



Aim: The objective of the study was to assess the percentage of community-acquired methicillin-resistant Staphylococcus aureus (CA -MRSA) and their antibiotic resistant patterns among the native population of north-western Himalaya regions, India. The study was conducted on three tribal communities namely Bakarwal, Gujjar and Gaddi of Jammu and Kashmir (J&K) and Himachal Pradesh (HP) states of India. 


Methodology: Identification and isolation of CA-MRSA was conducted by culturing it in the Mannitol Salt Agar and incubating at 37°C for 24 hrs. Single yellow colour colonies were selected and subjected to Gram staining as well other biochemical test such as, Coagulase, D-trehalose fermentation, maltose fermentation, DNase and β haemolysis test were performed. The positive CA-MRSA strains were then subjected to antibiotic susceptibility testing and statistical analysis was done. 


Results: In total, 1134 nasal swab samples were collected from healthy individuals for isolation of S. aureus and antibiogram was carried out for the screening of CA–MRSA; confirmed by oxacillin screen agar. Twenty four, CA-MRSA were isolated i.e., the frequency of nasal carriage CA-MRSA was 2.11% (24/1134). MRSA isolates were susceptible to gentamicin, doxycyclins hydrochloride, respectively.      


Interpretation: CA-MRSA is highly prevalent in the young age groups of tribal population.



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