mycobiont


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Related to mycobiont: phycobiont, photobiont

mycobiont

[¦mī·kə′bī‚änt]
(botany)
The fungal component of a lichen, commonly an ascomycete.
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Cells of the mycobiont fit together tightly like cobblestones on a walkway, extended haustoria into the Physolinum cells, and contained concentric bodies.
In general, the pharmacological interest of lichens relies on the capacity of the mycobiont to produce secondary metabolites, which differ from those found in nonlichenized fungi.
evolutionary relationships) of lichenized fungi in cetrarioid lichens using various genetic marker sequences of mycobiont nuclear ribosomal genes, such as group I intron, internal transcribed spacer (ITS), small subunit (SSU) and large subunit (LSU), and even polyketide synthase (PKS) genes (Nelsen et al.
Lichens--associations between a fungus (the mycobiont) and one or more algae or cyanobacteria (the photobionts)--produce, in addition to primary metabolites (carbohydrates, proteins, lipids, and other compounds), secondary metabolites that have been extensively investigated, revealing more than 1000 compounds, mostly phenols like depsides, depsidones, furan heterocycles, xanthones, anthraquinones and chromones, besides other classes [1].
Earlier, Rhizoctonia was thought to be the only mycobiont of orchids, but later on, a number of fungi were identified which resemble Rhizoctonia in many aspects; they were therefore termed Rhizoctonia-like fungi.
Lichens are symbiotic entities consisting of at least two components, a fungus (mycobiont) and algae and/or cyanobacteria (photobionts), living in intimate symbiotic association.
In KPK climate is humid with high organic content in soil provides mycobiont the acidic conditions which support the growth of fungal fruit bodies and mycorrhizae.
Douglas-fir ectomycorrhizae in 40- and 400- year-old stands: mycobiont availability to late successional western hemlock.
Lichens: Composite organisms consisting of a fungus (the mycobiont) and a photosynthetic partner (the photobiont or phycobiont), usually an alga or cyanobacteria, growing together in a symbiotic relationship.
In most cases, the mycobiont anchors the lichen firmly to the substrate and may absorb water and minerals from the environment.
Molecular Description: In the present investigation, genus Tomentella (Thelephoraceae) has also been reported as new mycobiont associated with roots of C.
Lichens are symbiotic organisms derived by the close cellular union of a fungal (mycobiont) and an algal and/or cyanobacteria!