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Sharing of photobio...
Sharing of photobionts in sympatric populations of Thamnolia and Cetraria lichens : evidence from high-throughput sequencing
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- Onuţ-Brännström, Ioana (författare)
- Uppsala universitet,Systematisk biologi,Johannesson Lab
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- Benjamin, Mitchell (författare)
- Uppsala universitet,Systematisk biologi
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- Scofield, Douglas G., 1966- (författare)
- Uppsala universitet,Evolutionsbiologi
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- Starri, Heiðmarsson (författare)
- Icelandic Institute of Natural History, Borgir Nordurslod, Iceland
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- Andersson, Martin G.I. (författare)
- Uppsala universitet,Limnologi
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- Lindström, Eva S. (författare)
- Uppsala universitet,Limnologi
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- Johannesson, Hanna (författare)
- Uppsala universitet,Systematisk biologi,Johannesson Lab
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(creator_code:org_t)
- 2018-03-13
- 2018
- Engelska.
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Ingår i: Scientific Reports. - : Springer Science and Business Media LLC. - 2045-2322. ; 8
- Relaterad länk:
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https://doi.org/10.1...
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https://uu.diva-port... (primary) (Raw object)
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https://www.nature.c...
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
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- In this study, we explored the diversity of green algal symbionts (photobionts) in sympatric populations of the cosmopolitan lichen-forming fungi Thamnolia and Cetraria. We sequenced with both Sanger and Ion Torrent High-Throughput Sequencing technologies the photobiont ITS-region of 30 lichen thalli from two islands: Iceland and Öland. While Sanger recovered just one photobiont genotype from each thallus, the Ion Torrent data recovered 10–18 OTUs for each pool of 5 lichen thalli, suggesting that individual lichens can contain heterogeneous photobiont populations. Both methods showed evidence for photobiont sharing between Thamnolia and Cetraria on Iceland. In contrast, our data suggest that on Öland the two mycobionts associate with distinct photobiont communities, with few shared OTUs revealed by Ion Torrent sequencing. Furthermore, by comparing our sequences with public data, we identified closely related photobionts from geographically distant localities. Taken together, we suggest that the photobiont composition in Thamnolia and Cetraria results from both photobiont-mycobiont codispersal and local acquisition during mycobiont establishment and/or lichen growth. We hypothesize that this is a successful strategy for lichens to be flexible in the use of the most adapted photobiont for the environment.
Ämnesord
- NATURVETENSKAP -- Biologi -- Ekologi (hsv//swe)
- NATURAL SCIENCES -- Biological Sciences -- Ecology (hsv//eng)
- NATURVETENSKAP -- Biologi -- Evolutionsbiologi (hsv//swe)
- NATURAL SCIENCES -- Biological Sciences -- Evolutionary Biology (hsv//eng)
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