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High fungal selectivity for algal symbionts in the genus Bryoria

Published online by Cambridge University Press:  07 August 2014

Hanna LINDGREN ,
Saara VELMALA ,
Filip HÖGNABBA ,
Trevor GOWARD ,
Håkon HOLIEN  and
Leena MYLLYS
Hanna LINDGREN
Affiliation:
Botanical Museum, Finnish Museum of Natural History, PO Box 7, FI-00014University of Helsinki, Finland. Email: hanna.lindgren@helsinki.fi
Saara VELMALA
Affiliation:
Botanical Museum, Finnish Museum of Natural History, PO Box 7, FI-00014University of Helsinki, Finland. Email: hanna.lindgren@helsinki.fi
Filip HÖGNABBA
Affiliation:
Botanical Museum, Finnish Museum of Natural History, PO Box 7, FI-00014University of Helsinki, Finland. Email: hanna.lindgren@helsinki.fi
Trevor GOWARD
Affiliation:
UBC Herbarium, Beaty Museum, University of British Columbia, Vancouver, BC V6T 1Z4, Canada
Håkon HOLIEN
Affiliation:
Nord-Trøndelag University College, Serviceboks 2501, N-7729 Steinkjer, Norway
Leena MYLLYS
Affiliation:
Botanical Museum, Finnish Museum of Natural History, PO Box 7, FI-00014University of Helsinki, Finland. Email: hanna.lindgren@helsinki.fi
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Abstract

In this study we examined photobiont identity, diversity and selectivity in the genus Bryoria. We focused on B. fremontii and section Implexae in order to determine whether secondary chemistry is correlated with photobiont identity. DNA from two loci for photobionts and three loci for mycobionts was sequenced for both parsimony and Bayesian phylogenetic analyses. A comparison of photobiont and mycobiont phylogenies reveals that most Bryoria species associate exclusively with lineages of the Trebouxia simplex group; only B. smithii was associated with a different photobiont. We conclude that most Bryoria species included in our study are highly selective in their choice of algal partners and that the presence/concentration of different secondary compounds does not correlate with photobiont identity either in section Implexae or in B. fremontii.

Keywords

lichensphotobiontsecondary chemistryselectivityTrebouxia simplex
Type
Articles
Information
The Lichenologist , Volume 46 , Issue 5 , September 2014 , pp. 681 - 695
Copyright
Copyright © British Lichen Society 2014 

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