Cryptic dispersal of Cyanidiophytina (Rhodophyta) in non-acidic environments from Turkey

Cyanidiophytina are a group of polyextremophilic red algae with a worldwide, but discontinuous colonization. They are restricted to widely dispersed hot springs, geothermal habitats, and also some human-altered environments. Cyanidiophytina are predominant where pH is prohibitive for the majority of...

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Bibliographic Details
Published in:Extremophiles : life under extreme conditions 2018-09, Vol.22 (5), p.713-723
Main Authors: Iovinella, Manuela, Eren, Ayla, Pinto, Gabriele, Pollio, Antonino, Davis, Seth J., Cennamo, Paola, Ciniglia, Claudia
Format: Article
Language:English
Subjects:
Algae
Alkaline soils
Baths
Biochemistry
Biomedical and Life Sciences
Biotechnology
Colonization
Dispersal
Dispersion
Distribution patterns
Eukaryotes
Hot springs
Life Sciences
Microbial Ecology
Microbiology
Original Paper
pH effects
Phylogeny
Populations
Rhodophyta
Soil
Space life sciences
Thermal baths
Volcanic activity
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Summary:Cyanidiophytina are a group of polyextremophilic red algae with a worldwide, but discontinuous colonization. They are restricted to widely dispersed hot springs, geothermal habitats, and also some human-altered environments. Cyanidiophytina are predominant where pH is prohibitive for the majority of eukaryotes (pH 0.5–3). Turkey is characterized by areas rich in volcanic activity separated by non-volcanic areas. Here we show that Cyanidiophycean populations are present in thermal baths located around Turkey on neutral/alkaline soils. All known genera and species within Cyanidiophytina were detected in Turkey, including Galdieria phlegrea , recorded up to now only in Italian Phlegrean Fields. By phylogenetic analyses, Turkish G. sulphuraria strains are monophyletic with Italian and Icelandic strains, and with Russian G. daedala strain s. G. maxima from Turkey clustered with Icelandic, Kamchatka, and Japanese populations. The discovery of Cyanidiophytina in non-acidic Turkish soils raises new questions about the ecological boundaries of these extremophilic algae. This aids in the understanding of the dispersal abilities and distribution patterns of this ecologically and evolutionarily interesting group of algae.
ISSN:1431-0651
1433-4909
DOI:10.1007/s00792-018-1031-x