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Microbial pathogen profiling and water quality assessment of Jammu Himalayan springs

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Abstract

Springs serve as a primary water source in most households in the Jammu Himalaya due to the inaccessibility to water from major rivers flowing into deep valleys. However, over the past several decades, many of these springs have started drying up, while many have already suffered degradation. A total of 24 freshwater springs were mapped in the Jammu Himalayan region, out of which seven had dried up permanently. Water quality parameters (pH, temperature, DO, BOD) of the springwater were within the permissible limits for human consumption, but the presence of pathogenic bacteria could pose a health problem to the local population. Construction of concrete walls, dumping of domestic waste and bathing inside the enclosed ponds of springs have blocked the outflow in some springs, which has also resulted in the stagnation and contamination of spring water leading to the growth of pathogenic Gram-negative bacteria like Escherichia coli (E. coli) and some species of Shigella and Salmonella. The 16S rRNA gene was used for the molecular identification of the isolated bacterial species in addition to macro-morphological and biochemical analysis. The results showed the prevalence of indicator bacteria like E. coli, Shigella and Salmonella in the Jammu Himalayan springs at various places, rendering the water unsafe for drinking.

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Data Availability

Data about the 16S rRNA gene sequences have been deposited at NCBI GenBank under the accession numbers: MT102385, MT102386 and MT102387.

Code Availability

Not applicable.

Abbreviations

AMSL:

Above Mean Sea Level

APHA:

American Public Health Association

BLAST:

Basic Local Alignment Search Tool

BOD:

Biological Oxygen Demand

CFU:

Colony Forming Units

DNA:

Deoxyribonucleic Acid

DO:

Dissolved Oxygen

EMB:

Eosin Methylene Blue

GPS:

Global Positioning System

MEGA:

Molecular Evolutionary Genetic Analysis

NCBI:

National Center for Biotechnology Information

PCR:

Polymerase Chain Reaction

SPSS:

Statistical Package for the Social Sciences

WHO:

World Health Organization

References

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Acknowledgements

The authors would like to thank the NMHS, MoEF&CC, Government of India for providing the necessary funding to carry out the research work.

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Authors and Affiliations

Authors

Contributions

SF did sampling, collected, compiled and interpreted the data. Further, conducted experiments, wrote the manuscript and designed the figures. IR designed the research work, evaluated the data and did revision of the manuscript. RN did the critical revision of the manuscript. GJD helped in statistical analysis.

Corresponding author

Correspondence to Irfan Rashid.

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Conflict of interest

The authors report no conflict of interest.

Ethical statement

The authors in the current study carried out no animal or human studies. Further, this work is original and has not been published elsewhere, nor is it currently under consideration for publication elsewhere.

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Farooq, S., Nazir, R., Rashid, I. et al. Microbial pathogen profiling and water quality assessment of Jammu Himalayan springs. Biologia 78, 3679–3690 (2023). https://doi.org/10.1007/s11756-023-01527-y

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  • DOI: https://doi.org/10.1007/s11756-023-01527-y

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