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|a 10.1111/nph.19320
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|a eng
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|a Chrismas, Nathan
|e verfasserin
|4 aut
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|a Metatranscriptomics reveals diversity of symbiotic interaction and mechanisms of carbon exchange in the marine cyanolichen Lichina pygmaea
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|c 2024
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|a Text
|b txt
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|a ƒaComputermedien
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|a ƒa Online-Ressource
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|a Date Completed 09.02.2024
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|a Date Revised 09.02.2024
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a © 2023 The Authors. New Phytologist © 2023 New Phytologist Foundation.
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|a Lichens are exemplar symbioses based upon carbon exchange between photobionts and their mycobiont hosts. Historically considered a two-way relationship, some lichen symbioses have been shown to contain multiple photobiont partners; however, the way in which these photobiont communities react to environmental change is poorly understood. Lichina pygmaea is a marine cyanolichen that inhabits rocky seashores where it is submerged in seawater during every tidal cycle. Recent work has indicated that L. pygmaea has a complex photobiont community including the cyanobionts Rivularia and Pleurocapsa. We performed rRNA-based metabarcoding and mRNA metatranscriptomics of the L. pygmaea holobiont at high and low tide to investigate community response to immersion in seawater. Carbon exchange in L. pygmaea is a dynamic process, influenced by both tidal cycle and the biology of the individual symbiotic components. The mycobiont and two cyanobiont partners exhibit distinct transcriptional responses to seawater hydration. Sugar-based compatible solutes produced by Rivularia and Pleurocapsa in response to seawater are a potential source of carbon to the mycobiont. We propose that extracellular processing of photobiont-derived polysaccharides is a fundamental step in carbon acquisition by L. pygmaea and is analogous to uptake of plant-derived carbon in ectomycorrhizal symbioses
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|a Journal Article
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|a Lichina pygmaea
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|a Cyanobacteria
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|a carbon
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|a lichens
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|a marine
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|a symbiosis
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|a Tindall-Jones, Beth
|e verfasserin
|4 aut
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|a Jenkins, Helen
|e verfasserin
|4 aut
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|a Harley, Joanna
|e verfasserin
|4 aut
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|a Bird, Kimberley
|e verfasserin
|4 aut
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|a Cunliffe, Michael
|e verfasserin
|4 aut
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|i Enthalten in
|t The New phytologist
|d 1979
|g 241(2024), 5 vom: 15. Feb., Seite 2243-2257
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|x 1469-8137
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|g year:2024
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|g day:15
|g month:02
|g pages:2243-2257
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|u http://dx.doi.org/10.1111/nph.19320
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