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Symbiosis in lichens is the mutually beneficial symbiotic relationship of green algae and/or blue-green algae (cyanobacteria) living among filaments of a fungus, forming lichen. [ 1 ] [ 2 ] [ 3 ] Living as a symbiont in a lichen appears to be a successful way for a fungus to derive essential nutrients, as about 20% of all fungal species have ...
The only known freshwater bivalve with a symbiotic relationship are in the genus Anodonta which hosts the chlorophyte Chlorella in the gills and mantle of the host. [41] In bivalves, photosymbiosis is thought to have evolved twice, in the genus Anodonta and in the family Cardiidae. [ 42 ]
The evolutionary history of cyanolichens represents multiple independent origins of symbiotic relationships between fungi and cyanobacteria, with evidence spanning hundreds of millions of years. This complex history has resulted in considerable diversity in both fungal and cyanobacterial partners. [ 21 ]
Fungi from Verrucariales also form marine lichens with the brown algae Petroderma maculiforme, [88] and have a symbiotic relationship with seaweed (such as rockweed) and Blidingia minima, where the algae are the dominant components. The fungi is thought to help the rockweeds to resist desiccation when exposed to air. [89] [90] In addition ...
Lichens are a symbiotic relationship between fungi and photosynthetic algae or cyanobacteria. The photosynthetic partner in the relationship is referred to in lichen terminology as a "photobiont". The fungal part of the relationship is composed mostly of various species of ascomycetes and a few basidiomycetes. [191]
Lichenology is the branch of mycology that studies the lichens, symbiotic organisms made up of an intimate symbiotic association of a microscopic alga (or a cyanobacterium) with a filamentous fungus. Lichens are chiefly characterized by this symbiosis. Study of lichens draws knowledge from several disciplines: mycology, phycology, microbiology ...
[41] [42] [43] While some planktonic cyanobacteria are unicellular and free living cells (e.g., Crocosphaera, Prochlorococcus, Synechococcus); others have established symbiotic relationships with haptophyte algae, such as coccolithophores. [40] Amongst the filamentous forms, Trichodesmium are free-living and form aggregates.
Fungi (kingdom) – the fungal partner and any yeast partner fall into this kingdom. [1] Ascomycota (phylum) and/or Basidiomycota (phylum) [4] For the biological classes and families these fungi belong to, see below. Chlorophyta (division) – if the photobiont is a green alga, it falls into this taxonomic division. [5] Trebouxiophyceae (class)