DNase and Gelatinase Activities Of β-Hemolysin Aeromonas hydrophila Isolated from Catfish (Clarias batrachus)

Journal of Aquaculture and Fish Health

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Field Value
 
Title DNase and Gelatinase Activities Of β-Hemolysin Aeromonas hydrophila Isolated from Catfish (Clarias batrachus)
 
Creator Kusdarwati, Rahayu
Amin, Muhamad
Wardana, Aldiansyah Budi
 
Subject fish disease
β-hemolysin, DNase, gelatinase
 
Description Aeromonas hydrophila infection can cause mass mortality fish and result economic losses for farmers. These is bacterium secretes substances or compounds that support its virulence by producing toxins and extracellular proteins in the form of enzymes. This study aimed to determine the activity of β-hemolysin toxin, DNase enzyme and gelatinase enzyme of A. hydrophila isolated from catfish (Clarias batrachus) in Sidoarjo. This research was carried out in November 2020 in Dukuh Tengah Village, Buduran District, Wedoro Village, Waru District, Wadung Asri Village, Waru District and Keboan Sikep Village, Gedangan District. The sampling technique was carried out by researchers by following activities in the field and visiting correspondents directly in the catfish cultivator ponds, then the catfish samples were carried out by biochemical tests and toxin and enzyme activity tests to obtain the information and data needed. The results showed that A. hydrophila bacteria in catfish produced positive β-hemolysin toxin, DNase enzyme and gelatinase enzyme. The conclusion of the research was that 10 isolates of A. hydrophila bacteria isolated from catfish (Clarias batrachus) in Sidoarjo showed the activity of β hemolysin toxin, DNase enzyme and gelatinase enzyme.
 
Publisher Department of Aquaculture
 
Contributor Aldiansyah Budi Wardana, Program Studi Akuakultur, Fakultas Perikanan dan Kelautan, Universitas Airlangga, Jl. Mulyorejo, Mulyorejo, Surabaya 60115, Indonesia
 
Date 2021-08-31
 
Type info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
Peer-reviewed Article
 
Format application/pdf
 
Identifier https://e-journal.unair.ac.id/JAFH/article/view/25918
10.20473/jafh.v10i3.25918
 
Source Journal of Aquaculture and Fish Health; Vol 10, No 3 (2021): JAFH Vol. 10 No. 3 September 2021; 331-340
2528-0864
2301-7309
 
Language eng
 
Relation https://e-journal.unair.ac.id/JAFH/article/view/25918/15502
 
Rights Copyright (c) 2021 Aldiansyah Budi Wardana
http://creativecommons.org/licenses/by-nc-sa/4.0
 

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