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High cyanobiont selectivity of epiphytic lichens in old growth boreal forest of Finland

Myllys, L ; Stenroos, S ; Thell, Arne LU and Kuusinen, M (2007) In New Phytologist 173(3). p.621-629
Abstract
• Here, cyanobiont selectivity of epiphytic lichen species was examined in an old growth forest area in Finland.



• Samples of the eight lichen species were collected from the same aspen (Populus tremula) and adjacent aspens in the same stand. The cyanobionts of these samples were compared with free and symbiotic Nostoc obtained from other habitats and geographic regions.



• Our results, based on the phylogenetic analysis of a partial small subunit of the ribosomal DNA (16S rDNA) and the rbcLX gene complex did not show any correlation with the geographic origin of the samples at any spatial scale. Instead, there was a correlation between the cyanobionts and the alleged taxonomy of their... (More)
• Here, cyanobiont selectivity of epiphytic lichen species was examined in an old growth forest area in Finland.



• Samples of the eight lichen species were collected from the same aspen (Populus tremula) and adjacent aspens in the same stand. The cyanobionts of these samples were compared with free and symbiotic Nostoc obtained from other habitats and geographic regions.



• Our results, based on the phylogenetic analysis of a partial small subunit of the ribosomal DNA (16S rDNA) and the rbcLX gene complex did not show any correlation with the geographic origin of the samples at any spatial scale. Instead, there was a correlation between the cyanobionts and the alleged taxonomy of their mycobionts.



• The results indicate that the lichen species examined are highly selective towards their cyanobiont partners. Only Lobaria pulmonaria proved to be more flexible, being able to associate with a wide range of Nostoc. A same Nostoc strain was found to form associations with taxonomically unrelated lichens indicating that the cyanobiont–mycobiont associations as a whole were not highly specific in the examined species. (Less)
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author
; ; and
organization
publishing date
type
Contribution to journal
publication status
published
subject
in
New Phytologist
volume
173
issue
3
pages
621 - 629
publisher
Wiley-Blackwell
external identifiers
  • wos:000243478900020
  • scopus:33846218187
ISSN
1469-8137
DOI
10.1111/j.1469-8137.2006.01944.x
language
English
LU publication?
yes
id
398e456a-9164-478b-adce-3a001bbab897 (old id 165350)
date added to LUP
2016-04-01 12:20:02
date last changed
2022-04-13 17:33:32
@article{398e456a-9164-478b-adce-3a001bbab897,
  abstract     = {{• Here, cyanobiont selectivity of epiphytic lichen species was examined in an old growth forest area in Finland.<br/><br>
 <br/><br>
• Samples of the eight lichen species were collected from the same aspen (Populus tremula) and adjacent aspens in the same stand. The cyanobionts of these samples were compared with free and symbiotic Nostoc obtained from other habitats and geographic regions.<br/><br>
 <br/><br>
• Our results, based on the phylogenetic analysis of a partial small subunit of the ribosomal DNA (16S rDNA) and the rbcLX gene complex did not show any correlation with the geographic origin of the samples at any spatial scale. Instead, there was a correlation between the cyanobionts and the alleged taxonomy of their mycobionts.<br/><br>
 <br/><br>
• The results indicate that the lichen species examined are highly selective towards their cyanobiont partners. Only Lobaria pulmonaria proved to be more flexible, being able to associate with a wide range of Nostoc. A same Nostoc strain was found to form associations with taxonomically unrelated lichens indicating that the cyanobiont–mycobiont associations as a whole were not highly specific in the examined species.}},
  author       = {{Myllys, L and Stenroos, S and Thell, Arne and Kuusinen, M}},
  issn         = {{1469-8137}},
  language     = {{eng}},
  number       = {{3}},
  pages        = {{621--629}},
  publisher    = {{Wiley-Blackwell}},
  series       = {{New Phytologist}},
  title        = {{High cyanobiont selectivity of epiphytic lichens in old growth boreal forest of Finland}},
  url          = {{http://dx.doi.org/10.1111/j.1469-8137.2006.01944.x}},
  doi          = {{10.1111/j.1469-8137.2006.01944.x}},
  volume       = {{173}},
  year         = {{2007}},
}