Trentepohlia (alga)

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For the crane fly genus, see Trentepohlia (insect).
Trentepohlia sp. on Cryptomeria japonica bark.JPG
Trentepohlia sp.
on Cryptomeria japonica bark
Scientific classification
Domain: Eukaryota
Kingdom: Viridiplantae
Phylum: Chlorophyta
Class: Ulvophyceae
Order: Trentepohliales
Family: Trentepohliaceae
Genus: Trentepohlia Mart.

Trentepohlia is a genus of filamentous green chlorophyte algae in the family Trentepohliaceae, living free on terrestrial supports such as tree trunks and wet rocks or symbiotically in lichens.[1] The filaments of Trentepohlia have a strong orange colour (photograph at right) caused by the presence of large quantities of carotenoid pigments which mask the green of the chlorophyll. This colour was found to be the source of an incident of red rain in Kerala, India.[2]

Trentepohlia species form associations with fungal hyphae, and are widespread phycobionts in lichens, such as the "secret writing" crustose lichen genera Graphis, Graphina, Gyalecta and Opegrapha.[3][4]


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  1. ^ See the NCBI webpage on Trentepohlia. Data extracted from the "NCBI taxonomy resources". National Center for Biotechnology Information. Retrieved 2007-03-19. 
  2. ^ Sampath, S.; Abraham, T. K., Sasi Kumar, V., & Mohanan, C.N. (2001). "Colored Rain: A Report on the Phenomenon." (PDF). CESS-PR-114-2001 (Center for Earth Science Studies and Tropical Botanic Garden and Research Institute). Archived from the original on June 13, 2006. Retrieved 2011-02-08. 
  3. ^ F.S. Dobson (2000) Lichens, an illustrated guide to the British and Irish species. Richmond publishing Co. ISBN 0-85546-094-6
  4. ^ T. Friedl and B. Büdel (1996) Photobionts, in Nash, T.H. (ed.) Lichen biology, pp.8-23, Cambridge University Press.

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