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Consortia of Specific Bacteria in Callyspongia subarmigera (Ridley, 1884) and their Exocellular Activity against Clinical and Fish Pathogens

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Title Consortia of Specific Bacteria in Callyspongia subarmigera
(Ridley, 1884) and their Exocellular Activity against Clinical
and Fish Pathogens
Not Available
 
Creator Aishwarya,M S
Lipton,A P
Sarika,A R
 
Subject Callyspongia subarmigera
Antibacterial activity
Sponge associated bacteria
Serratia rubidaea CSP and Bacillus
amyloliquefaciens CSG
 
Description Not Available
The antimicrobial potency of cultivable associated bacteria in Callyspongia subarmigera was determined. C. subarmigera, the
predominant sponge along the South east coast of India at 10 to 15 m (Lat 8° 4′ 41″, Long 77° 32′ 28″ E) of the Indian Ocean was
collected off ‘by catch’. The temperature and pH for maximum retrieval of colonies were standardized at 30 °C and 8.5. The
retrievable associates from the sponge were isolated for a period of 1 year and their antibacterial activity studied against 16 test
pathogens. Among the 56 isolates, six isolates with broad antibacterial spectrum were optimized at different cultural conditions and
biochemically characterized. Two Lactobacillus isolates in MRS agar and an extreme salt tolerant isolates in Halophilic agar were
noticed during the isolations. The isolates survived the pH range of 4.0–13, while S. rubidae CSP and B. amyloliquefaciens CSG
propagated at temp range of 20°- 45 °C. The cell free filtrates of Serratia rubidaea CSP and Bacillus amyloliquefaciens CSG
showed profound antibacterial activity even during prolonged incubation timewhile the antifungal activity noticedwas considerably
low. Consortia of specific cultivable bacteria in Callyspongia diffusa were isolated. The two potent strains were characterized to the
species level. Further studies are required to sort out the antibacterial principle in the sponge associated bacteria.
Not Available
 
Date 2021-09-17T09:00:33Z
2021-09-17T09:00:33Z
2018
 
Type Article
 
Identifier Not Available
0212-5919
http://krishi.icar.gov.in/jspui/handle/123456789/64032
 
Language English
 
Relation Not Available
 
Publisher Not Available