Antimicrobial activity of bacteria associated with various marine sources

Rahimi Hamid, Gires Usup, Asmat Ahmad

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

In this study, 494 isolates have been isolated from various marine sources and location. They were screened for their antimicrobial activity. Preliminary screening for antimicrobial activity using cell-free supernatant and bacteria cell showed that 48% isolates produce antimicrobial activitiy against one or more of the microbial tested which is Methicillin-resistant Staphylococcus aureus, Staphylococcus aureus, Bacillus subtilis, Escherichia coli, Serratia marcescens, Vibrio parahaemolyticus, Aeromonas hydrophila, Aspergillus fumigatus and Candida albicans. From all isolates, bacteria which were isolated from post-larva tiger prawns and water post-larva tiger prawn tanks showed the highest percentage (100%) of antimicrobial activities. Comparison of isolates had antimicrobial activity between sampling locations to find the recreation area and farm shrimp area show the same percentage of antimicrobial activity of 51%. While for the estuary area only 25%. The percentage of isolates with antimicrobial activity higher in the animal resource of 53% compared with inanimate resource of 37%. Four strains (FStm2, SCtm12, SWtm11 and PRps9) with high antimicrobial activities were selected and their compound was extracted using ethyl acetate (EtOAc). Crude extracts from these four strains showed different antimicrobial activity against different pathogen except Candida albicans. These four strains identified as Pseudomonas putida for strain FStm2, Uncultured bacterium for strain SWtm11 and Vibrio proteolyticus for strains SCtm12 and PRps9.

Original languageEnglish
Pages (from-to)356-365
Number of pages10
JournalAdvances in Environmental Biology
Volume7
Issue number2
Publication statusPublished - Feb 2013

Fingerprint

antimicrobial activity
Tigers
anti-infective agents
Bacteria
Candida albicans
bacterium
Larva
bacteria
Vibrio parahaemolyticus
Aeromonas hydrophila
Estuaries
Recreation
Serratia marcescens
Pseudomonas putida
Aspergillus fumigatus
Vibrio
Methicillin-Resistant Staphylococcus aureus
Bacillus subtilis
Complex Mixtures
Staphylococcus aureus

Keywords

  • Antimicrobial activity
  • Bacteria
  • Crude extracts
  • Marine

ASJC Scopus subject areas

  • Agricultural and Biological Sciences(all)
  • Environmental Science(all)

Cite this

Antimicrobial activity of bacteria associated with various marine sources. / Hamid, Rahimi; Usup, Gires; Ahmad, Asmat.

In: Advances in Environmental Biology, Vol. 7, No. 2, 02.2013, p. 356-365.

Research output: Contribution to journalArticle

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