Assessment of antibiotic resistance among heterotrophic bacteria isolates from Port Dickson Coastal Beach Malaysia

Asmat Ahmad, . and Dada Ayokunle Christopher, . and Gires Usup, . and Lee Yook Heng, . (2011) Assessment of antibiotic resistance among heterotrophic bacteria isolates from Port Dickson Coastal Beach Malaysia. [Proceedings Paper]

We report the first study on the occurrence of antibiotic resistant bacteria in coastal bathing waters in Malaysia. Antibiotic resistance screening was conducted for heterotrophic bacteria isolated from Port Dickson beach. Resistance was highest towards ampicillin and least towards novobiocin. One-way ANOVA and Duncan;s posthoc test showed statistically significant differences p0.05 in resistance demonstrated towards ampicillin novobiocin kanamycin and vancomycin by sewage drain isolates. For bathing water isolates mean differences in resistance demonstrated towards antibiotics however were not statistically significant p0.05. Generally t-test analysis revealed higher resistance levels to antibiotics by bacterial isolates from sewage drain area 55.31 as compared to downstream bathing area 30.73 the difference in resistance was statistically significant t 3.023 p0.05. Multiple Antibiotic Resistance indices obtained ranged between 0.27 and 0.6. Within the geographic limits of this study high-risk faecal contamination of receiving seawater used for recreational purposes is not unlikely.

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Abstract

We report the first study on the occurrence of antibiotic resistant bacteria in coastal bathing waters in Malaysia. Antibiotic resistance screening was conducted for heterotrophic bacteria isolated from Port Dickson beach. Resistance was highest towards ampicillin and least towards novobiocin. One-way ANOVA and Duncan;s posthoc test showed statistically significant differences p0.05 in resistance demonstrated towards ampicillin novobiocin kanamycin and vancomycin by sewage drain isolates. For bathing water isolates mean differences in resistance demonstrated towards antibiotics however were not statistically significant p0.05. Generally t-test analysis revealed higher resistance levels to antibiotics by bacterial isolates from sewage drain area 55.31 as compared to downstream bathing area 30.73 the difference in resistance was statistically significant t 3.023 p0.05. Multiple Antibiotic Resistance indices obtained ranged between 0.27 and 0.6. Within the geographic limits of this study high-risk faecal contamination of receiving seawater used for recreational purposes is not unlikely.

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Item Type:	Proceedings Paper
Additional Information:	Available at Perpustakaan Sultan Abdul Samad Universiti Putra Malaysia 43400 UPM Serdang Selangor Malaysia. QR22 M3I61 2011 vol.2 Call Number.
AGROVOC Term:	Bacteria
AGROVOC Term:	Isolation of microorganisms
AGROVOC Term:	Coastal area
AGROVOC Term:	Beaches
AGROVOC Term:	Screening tests
AGROVOC Term:	Antibiotic resistance
AGROVOC Term:	Ampicillin
AGROVOC Term:	Kanamycin
Geographical Term:	MALAYSIA
Depositing User:	Ms. Suzila Mohamad Kasim
Last Modified:	24 Apr 2025 05:15
URI:	http://webagris.upm.edu.my/id/eprint/13093

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