Characterisation of algicidal bacterial exometabolites against the lipid-accumulating diatom Skeletonema sp.

Wang, H; Butt, L; Rooks, PA; Khan, F; Allen, MJ; Ali, ST. 2016 Characterisation of algicidal bacterial exometabolites against the lipid-accumulating diatom Skeletonema sp.. Algal Research, 13. 1-6. 10.1016/j.algal.2015.11.012

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Official URL: http://dx.doi.org/10.1016/j.algal.2015.11.012

Abstract/Summary

Microalgae are of increasing interest due to their occurrence in the environment as harmful algal blooms and as a source of biomass for the production of fine and bulk chemicals. A method for the low cost disruption of algal biomass for environmental remediation or bioprocessing is desirable. Naturally-occurring algal lytic agents from bacteria could provide a cost-effective and environmentally desirable solution. A screen for algal lytic agents against a range of marine microalgae has identified two strains of algicidal bacteria isolated from the coastal region of the Western English Channel. Both strains (designated EC-1 and EC-2) showed significant algicidal activity against Skeletonema sp. and were identified as members of Alteromonas sp. and Maribacter sp. respectively. Characterisation of the two bioactivities revealed that they are small extracellular metabolites displaying thermal and acid stability. Purification of the EC-1 activity to homogeneity and initial structural analysis has identified it as a putative peptide with a mass of 1266. amu.

Item Type: Publication - Article
Subjects: Ecology and Environment
Divisions: Plymouth Marine Laboratory > Science Areas > Marine Biochemistry and Observations
Plymouth Marine Laboratory > National Capability categories > Added Value
Depositing User: Mike Allen
Date made live: 10 Jun 2016 10:33
Last Modified: 28 Nov 2018 12:59
URI: http://plymsea.ac.uk/id/eprint/7089

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