Aiello, Annette

Blomster, Jaanika

Chiarello, Adriano G

Fewer, David Peter

Friedl, Thomas

Majaneva, Markus

Suutari, Milla

Voirin, Bryson

BMC Evolutionary Biology

PubMed

Helsingin yliopiston digitaalinen arkisto

Molecular evidence for a diverse green algal community growing in the hair of sloths and a specific association with Trichophilus welckeri (Chlorophyta, Ulvophyceae)

Suutari, M.

Majaneva, M.

Fewer, D.

Voirin, B.

Aiello, A.

Friedl, T.

Chiarello, A.

Blomster, J.

MPG.PuRe

Background: Sloths are slow-moving arboreal mammals inhabiting tropical rainforests in Central and South America. The six living species of sloths are occasionally reported to display a greenish discoloration of their pelage. Trichophilus welckeri, a green algal species first described more than a century ago, is widely believed to discolor the animals fur and provide the sloth with effective camouflage. However, this phenomenon has not been explored in any detail and there is little evidence to substantiate this widely held opinion. Results: Here we investigate the genetic diversity of the eukaryotic community present in fur of all six extant species of sloth. Analysis of 71 sloth hair samples yielding 426 partial 18S rRNA gene sequences demonstrates a diverse eukaryotic microbial assemblage. Phylogenetic analysis reveals that sloth fur hosts a number of green algal species and suggests that acquisition of these organisms from the surrounding rainforest plays an important role in the discoloration of sloth fur. However, an alga corresponding to the morphological description of Trichophilus welckeri was found to be frequent and abundant on sloth fur. Phylogenetic analysis demonstrated the retention of this alga on the fur of sloths independent of geographic location. Conclusions: These results demonstrate a unique diverse microbial eukaryotic community in the fur of sloths from Central and South America. Our analysis streghtens the case for symbiosis between sloths and Trichophilus welckeri

Fewer, David P.

Chiarello, Adriano G.

GRO.publications (Univ. Göttingen)

Milla Suutari

Markus Majaneva

David P Fewer

Bryson Voirin

Annette Aiello

Thomas Friedl

Adriano G Chiarello

Jaanika Blomster

Springer - Publisher Connector

GRO.publications

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Molecular evidence for a diverse green algal community growing in the hair of sloths and a specific association with Trichophilus welckeri (Chlorophyta, Ulvophyceae)

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Helsingin yliopiston digitaalinen arkisto

MPG.PuRe

GRO.publications (Univ. Göttingen)

MPG.PuRe

Springer - Publisher Connector

GRO.publications