Biology:Hydropunctaria maura

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Short description: Species of lichen

Hydropunctaria maura
Verrucaria maura Kergulan 2008-01-29 13.jpg
Scientific classification edit
Domain: Eukaryota
Kingdom: Fungi
Division: Ascomycota
Class: Eurotiomycetes
Order: Verrucariales
Family: Verrucariaceae
Genus: Hydropunctaria
Species:
H. maura
Binomial name
Hydropunctaria maura
(Wahlenb.) C.Keller, Gueidan & Thüs (2009)
Synonyms[1]
  • Lithoicea maura (Wahlenb. ex Ach.) Zahlbr. (1886)
  • Verrucaria maura Wahlenb. ex Ach. (1803)
  • Verrucaria pseudomemnonia Zschacke (1924)
  • Verrucaria scotina Wedd. (1875)
  • Verrucaria zschackeana Erichsen (1930)

Hydropunctaria maura, still often called by the older name Verrucaria maura and commonly known as tar lichen,[2] is a species of saxicolous (rock-dwelling), crustose lichen belonging to the family Verrucariaceae.[3] A perennial species that does not experience seasonal variations, it is the type species of the genus Hydropunctaria.[4] The medulla is a black basal layer that forms columns (Latin: punctae) to the upper surface and isolates the algae into pockets near the upper surface. The black band formed by H. maura can often be seen at a distance as a marker of the high water point.

Ecology

Coastal vegetation zones at Saint-Malo. Hydropunctaria maura is forming the black stripe on the upper littoral zone rocks.

Hydropunctaria maura is commonly found on hard rocks in the intertidal zone. Compared to terrestrial lichens, the species is typically located in areas of direct sunlight, suggests that it may have specific adaptations against damage from the sun.[5] It is considered an upper littoral (supralittoral) lichen, compared to other, lower littoral lichens such as Wahlenbergiella mucosa, distinguished by environmental factors such as water availability, UV exposure, and temperature.[6] Because of the relatively extreme conditions of the supralittoral zone, crustose lichens are the only organisms capable of colonizing these areas. H. maura effectively serves as the primary biological indicator of the extent of the zone where it is found.[4] Both H. maura and Hydropunctaria amphibia synthesize sucrose in response to high salt concentrations.[7][8]

It forms thin, matte-black crusts with the algae genus Dilabifilum as a photobiont. A study of four lichen species from southwestern Norway showed that H. maura had a greater diversity of microorganisms, greater bacterial diversity in the thalli, and a higher number of different bacterial sequences. The diversity of microorganisms is likely related to its strong marine influence. It is commonly associated with Thermoproteota (formerly Crenarchaeota).[9] Other studies have identified Jannaschia pohangensis and Bacillus aerius, among others, as associated with Hydropunctaria maura.[10]

The growth rate of H. maura colonies is estimated to be less than 1 mm per year. After elimination, it is estimated to take three years for the species to recolonize a substrate.[11] Germination of the spores of this species is stimulated by seawater salinity concentrations that typically inhibit germination of spores of other lichens.[12]

Distribution

Hydropunctaria maura is one of the most widespread and abundant lichens in the European littoral zone, and has been found around the world, in extreme climes such as the Arctic and Antarctica.[13] It has a cosmopolitan distribution,[14] and is found on both the East and West coasts of North America, and in the Southern Hemisphere in Tasmania and New Zealand.[15] The cyanolichen Lichina confinis is often found in the same zone as Hydropunctaria maura.[16]

References

  1. ↑ "Synonymy. Current Name: Hydropunctaria maura (Wahlenb. ex Ach.) C. Keller, Gueidan & Thüs, Taxon 58(1): 194 (2009)". Species Fungorum. http://www.speciesfungorum.org/Names/SynSpecies.asp?RecordID=512882. 
  2. ↑ David Chapman (2008). Exploring the Cornish Coast. Penzance: Alison Hodge. p. 119. ISBN 9780906720561. 
  3. ↑ "Hydropunctaria_maura". https://www.mycobank.org/page/Name%20details%20page/field/Mycobank%20%23/512882. 
  4. ↑ 4.0 4.1 Bergillos, Rafael J.; Rodriguez-Delgado, Cristobal; Cremades, Javier; Medina, Luis; Iglesias, Gregorio (December 2020). "Multi-criteria characterization and mapping of coastal cliff environments: A case study in NW Spain". Science of the Total Environment 746: 140942. doi:10.1016/j.scitotenv.2020.140942. PMID 32763597. Bibcode: 2020ScTEn.746n0942B. 
  5. ↑ Gauslaa, Yngvar; Margrete Ustvedt, Elin (April 2003). "Is parietin a UV-B or a blue-light screening pigment in the lichen Xanthoria parietina?". Photochemical & Photobiological Sciences 2 (4): 424–432. doi:10.1039/B212532C. PMID 12760542. 
  6. ↑ Higgins, Niall F.; Connan, Solène; Stengel, Dagmar B. (2015). "Factors influencing the distribution of coastal lichens Hydropunctaria maura and Wahlenbergiella mucosa" (in en). Marine Ecology 36 (4): 1400–1414. doi:10.1111/maec.12239. Bibcode: 2015MarEc..36.1400H. 
  7. ↑ Handbook of Halophytes. 2020. doi:10.1007/978-3-030-17854-3. ISBN 978-3-030-17854-3. [page needed]
  8. ↑ Gasulla, Francisco; Guéra, Alfredo; de los Ríos, Asunción; Pérez-Ortega, Sergio (1 December 2019). "Differential responses to salt concentrations of lichen photobiont strains isolated from lichens occurring in different littoral zones". Plant and Fungal Systematics 64 (2): 149–162. doi:10.2478/pfs-2019-0016. 
  9. ↑ Bjelland, Torbjørg; Grube, Martin; Hoem, Solveig; Jorgensen, Steffen L.; Daae, Frida Lise; Thorseth, Ingunn H.; Øvreås, Lise (August 2011). "Microbial metacommunities in the lichen-rock habitat: Microbial metacommunities in the lichen-rock habitat". Environmental Microbiology Reports 3 (4): 434–442. doi:10.1111/j.1758-2229.2010.00206.x. PMID 23761305. 
  10. ↑ Parrot, Delphine; Antony-Babu, Sanjay; Intertaglia, Laurent; Grube, Martin; Tomasi, Sophie; Suzuki, Marcelino T. (30 October 2015). "Littoral lichens as a novel source of potentially bioactive Actinobacteria". Scientific Reports 5 (1): 15839. doi:10.1038/srep15839. PMID 26514347. Bibcode: 2015NatSR...515839P. 
  11. ↑ Fletcher, A.; Crump, R. (2002). "Monitoring Maritime Habitats". Monitoring with Lichens — Monitoring Lichens. pp. 255–266. doi:10.1007/978-94-010-0423-7_17. ISBN 978-1-4020-0430-8. 
  12. ↑ Ramkaer, K. (1978). "The influence of salinity on the establishing phase of rocky shore lichens". Botanisk Tidskrift 72: 119–123. 
  13. ↑ Orange, Alan (May 2012). "Semi-cryptic marine species of Hydropunctaria (Verrucariaceae, lichenized Ascomycota) from north-west Europe". The Lichenologist 44 (3): 299–320. doi:10.1017/S0024282911000867. ProQuest 962447779. 
  14. ↑ "Verrucaria maura Wahlenb." (in en). https://www.gbif.org/species/3470441. 
  15. ↑ "Wart Lichen (Hydropunctaria maura)". https://inaturalist.ala.org.au/taxa/197141-Hydropunctaria-maura. 
  16. ↑ Sigurbjörnsdóttir, Margrét Auður; Heiðmarsson, Starri; Jónsdóttir, Anna Rut; Vilhelmsson, Oddur (2014-05-01). "Novel bacteria associated with Arctic seashore lichens have potential roles in nutrient scavenging". Canadian Journal of Microbiology 60 (5): 307–317. doi:10.1139/cjm-2013-0888. PMID 24802938. 

Wikidata ☰ Q10660740 entry



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