Pathogenic hitchhiker diversity on international ships' ballast water at West Malaysia port
2021
Salleh, Nor Aishah | Rosli, Farah Nadiah | Akbar, Muhamad Afiq | Yusof, Aqilah | Sahrani, Fathul Karim | Razak, Shairah Abdul | Ahmad, Asmat | Usup, Gires | Bunawan, Hamidun
This study investigates bacterial diversity and potential pathogens in the international ships' ballast water at Tanjung Pelepas Port, Malaysia, using 16S rRNA amplicon sequencing. Thirty-four bacterial phylum, 305 families, 577 genera, and 941 species were detected in eight ballast water samples of different origins. The similarity of the bacterial composition between samples was found to be random and not tied to geographical locations. The bacterial abundance did not seem to be affected by related physicochemical except for temperature. Ballast water samples with a temperature lower than 25 °C showed a relatively lower bacterial abundance. A total of 33 potential pathogens were detected from all ballast water samples. Pseudomonas spp., Tenacibaculum spp., Flavobacteriaceae spp., Halomonas spp., and Acinetobacter junii are the potential pathogens with more than 10% OTU prevalence. This study would provide beneficial information for further enhancing ballast water microorganism guidelines in Malaysia.
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