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    Sea foam-associated pathogenic bacteria along the west coast of India

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    Date
    2021
    Author
    Shetye, S.S.
    Bandekar, M.
    Nandakumar, K.
    Kurian, S.
    Gauns, M.
    Jawak, S.
    Pratihary, A.K.
    Elangovan, S.S.
    Naik, B.R.
    Lakshmi, Sethu
    Aswathi, V.K.
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    Abstract
    Anthropogenic activities release effluents containing nutrients and pathogenic bacteria that change the characteristics of coastal ecosystems. An important type of marine pollution which has occurred in 3 different states in India during 2019 is sea foam. Sea foam was found on Hole beach, Goa (Lat: 15.404°N, Long: 73.787°E), where nutrients (NO3- = 137 mu M and organic nitrogen = 121 mu M) from a garbage dumpyard are released directly via streams/gutters to coastal waters. This resulted in a bloom of the diatom Thalassiosira pseudonana, associated with high concentration of total organic carbon and fucoxanthin. Decay of this bloom along with strong agitation due to rocks and wave action resulted in sea foam. We isolated foam-associated bacteria and identified pathogenic bacteria including Enterobacter cancerogenus through 16S rRNA gene sequencing. Such foam-associated pathogenic bacteria, could be antibiotic resistant, and may have adverse effects on human health. This can also hamper the tourism industry of a small state like Goa that relies heavily on tourism.
    URI
    https://doi.org/10.1007/s10661-020-08783-4
    http://drs.nio.org/drs/handle/2264/8346
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