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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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Relation http://eprints.cmfri.org.in/13052/
https://link.springer.com/article/10.1007/s41208-018-0109-7
https://doi.org/10.1007/s41208-018-0109-7
 
Title Consortia of Specific Bacteria in Callyspongia subarmigera
(Ridley, 1884) and their Exocellular Activity against Clinical
and Fish Pathogens
 
Creator Aishwarya, M S
Lipton, A P
Sarika, A R
 
Subject Fish Pathology
 
Description 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.
 
Date 2018
 
Type Article
PeerReviewed
 
Format text
 
Language en
 
Identifier http://eprints.cmfri.org.in/13052/1/A%20P%20Lipton_2018_Thalassas_First%20Record%20of%20Arrow%20Gaper%20Champsodon%20sagittus%20Nemeth%201994%20%28Family%20Champsodontidae%29%20from%20Bay%20of%20Bengal%20Eastern%20Indian%20Ocean.pdf
Aishwarya, M S and Lipton, A P and Sarika, A R (2018) Consortia of Specific Bacteria in Callyspongia subarmigera (Ridley, 1884) and their Exocellular Activity against Clinical and Fish Pathogens. Thalassas: An International Journal of Marine Sciences. pp. 1-8. ISSN 0212-5919