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Algal epibiosis on Megabalanus tintinnabulum and its role in segregation of the Balanus amphitrite population

DRS at CSIR-National Institute of Oceanography

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Title Algal epibiosis on Megabalanus tintinnabulum and its role in segregation of the Balanus amphitrite population
 
Creator Eswaran, R.
Khandeparker, L.
 
Subject Balanus amphitrite
metamorphosis
epibiosis
algae
 
Description Ulva sp. and Gracilaria sp. were found colonizing shell surfaces of an acorn barnacle, Megabalanus tintinnabulum. However, this association was not noticed in the case of Balanus amphitrite, which was a co-inhabitant. Such a difference in intergeneric interactions with the algae was examined in laboratory experiments. For this, the influence that extracts of algae, extracts of algae-associated bacteria and natural leachants from M. tintinnabulum exerted on cyprid metamorphosis of B. amphitrite was examined. Extracts of algae and associated bacteria showed no effect on the metamorphosis of B. amphitrite. This may be attributed to absence of cue-specific sugars in the exopolysaccharides and culture supernatants of bacteria. On the other hand, natural leachants of M. tintinnabulum, which showed the presence of N-acetyl-d-glucosamine, a known algal spore attractant, also inhibited metamorphosis of B. amphitrite. Thus, hosting specific epibionts could have important roles in the segregation of barnacle population.
 
Date 2014-12-11T06:39:49Z
2014-12-11T06:39:49Z
2014
 
Type Journal Article
 
Identifier Marine Ecology (an Evolutionary Perspective), vol.35(4); 2014; 492-505
no
http://drs.nio.org/drs/handle/2264/4656
 
Language en
 
Relation Mar_Ecol_35_492.jpg
 
Rights An edited version of this paper was published by Blackwell. Copyright [2014] Blackwell
 
Publisher Blackwell Verlag GmbH