Pathogenicity of Aeromonas hydrophila isolated from the Malaysian Sea against coral (Turbinaria sp.) and sea bass (Lates calcarifer)

Rahimi Hamid, Asmat Ahmad, Gires Usup

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

A study was carried out to determine the pathogenicity (hemolytic activity) on corals (Turbinaria sp.) and sea bass (Lates calcarifer) of Aeromonas hydrophila from water, sediment, and coral. Samples were collected from coastal water and coral reef areas. One hundred and sixty-two isolates were successfully isolated. Out of 162, 95 were from seawater, 49 from sediment, and 18 from coral. Sixteen isolates were picked and identified. Isolates were identified using a conventional biochemical test, the API 20NE kit, and 16S rRNA nucleotide sequences. Hemolytic activity was determined. Out of 16 isolates, 14 isolates were β-hemolytic and two isolates were non-hemolytic. Corals infected with A. hydrophila suffered bleaching. Similar effect was observed for both hemolytic and non-hemolytic isolates. Intramuscular injection of A. hydrophila into sea bass resulted in muscular bleeding and death. Higher infection rates were obtained from hemolytic compared to non-hemolytic strains of A. hydrophila isolates.

Original languageEnglish
Pages (from-to)1-8
Number of pages8
JournalEnvironmental Science and Pollution Research
DOIs
Publication statusAccepted/In press - 25 May 2016

Fingerprint

Aeromonas hydrophila
Bass
Anthozoa
pathogenicity
Oceans and Seas
Virulence
coral
Sediments
Reefs
Water
Nucleotides
Bleaching
Application programming interfaces (API)
Seawater
Coral Reefs
Intramuscular Injections
bleaching
sediment
coral reef
coastal water

Keywords

  • Aeromonas hydrophila
  • Corals
  • Hemolytic
  • Pathogenicity
  • Sea bass

ASJC Scopus subject areas

  • Environmental Chemistry
  • Health, Toxicology and Mutagenesis
  • Pollution

Cite this

Pathogenicity of Aeromonas hydrophila isolated from the Malaysian Sea against coral (Turbinaria sp.) and sea bass (Lates calcarifer). / Hamid, Rahimi; Ahmad, Asmat; Usup, Gires.

In: Environmental Science and Pollution Research, 25.05.2016, p. 1-8.

Research output: Contribution to journalArticle

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