Planctomycetes and macroalgae, a striking association

Planctomycetes are part of the complex microbial biofilm community of a wide range of macroalgae. Recently, some studies began to unveil the great diversity of Planctomycetes present in this microenvironment and the interactions between the two organisms. Culture dependent and independent methods re...

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Vydáno v:Frontiers in microbiology Ročník 5; s. 267
Hlavní autoři: Lage, Olga M., Bondoso, Joana
Médium: Journal Article
Jazyk:angličtina
Vydáno: Switzerland Frontiers Media S.A 03.06.2014
Témata:
Association
Biofilm
macroalgae
Macroalgae exudates
Microbiology
planctomycetes
association
macroalgae exudates
planctomycetes
macroalgae
biofilm
ISSN:1664-302X, 1664-302X
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Shrnutí:Planctomycetes are part of the complex microbial biofilm community of a wide range of macroalgae. Recently, some studies began to unveil the great diversity of Planctomycetes present in this microenvironment and the interactions between the two organisms. Culture dependent and independent methods revealed the existence of a great number of species but, so far, only less than 10 species have been isolated. Planctomycetes comprise the genera Rhodopirellula, Blastopirellula, and Planctomyces, Phycisphaera and the uncultured class OM190 and some other taxa have only been found in this association. Several factors favor the colonization of macroalgal surfaces by planctomycetes. Many species possess holdfasts for attachment. The macroalgae secrete various sulfated polysaccharides that are the substrate for the abundant sulfatases produced by planctomycetes. Specificity between planctomycetes and macroalgae seem to exist which may be related to the chemical nature of the polysaccharides produced by each macroalga. Furthermore, the peptidoglycan-free cell wall of planctomycetes allows them to resist the action of several antimicrobial compounds produced by the macroalgae or other bacteria in the biofilm community that are effective against biofouling by other microorganisms. Despite the increase in our knowledge on the successful planctomycetes-macroalgae association, a great effort to fully understand this interaction is needed.
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This article was submitted to Terrestrial Microbiology, a section of the journal Frontiers in Microbiology.
Reviewed by: Mia Bengtsson, University of Vienna, Austria; Onur Erbilgin, University of California, Berkeley, USA
Edited by: Luis Raul Comolli, Lawrence Berkeley National Laboratory, USA
ISSN:1664-302X
1664-302X
DOI:10.3389/fmicb.2014.00267