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{{Automatic taxobox
{{Automatic taxobox
| image = Bangia fuscopurpurea Helgoland.JPG
| image = Bangia fuscopurpurea Helgoland.JPG
| image_upright = 0.8
| image_alt = "Bangia fuscopurpurea"
| image_alt = "Bangia fuscopurpurea"
| image_caption = ''[[Bangia fuscopurpurea]]''
| image_caption = ''[[Bangia fuscopurpurea]]''
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| synonyms =
| synonyms =
*''Aspalatia'' <small>[[Ante Ercegović|Ercegovic]], 1927</small>
*''Aspalatia'' <small>[[Ante Ercegović|Ercegovic]], 1927</small>
*''Bangiadulcis'' <small>[[Wendy Nelson|W.A.Nelson]], 2007</small>
*''Bangiadulcis'' <small>[[Wendy Nelson (marine scientist)|W.A. Nelson]], 2007</small>
*''Bangiella'' <small>[[François Benjamin Gaillon|Gaillon]], 1833</small>
*''Bangiella'' <small>[[François Benjamin Gaillon|Gaillon]], 1833</small>
*''Diadenus'' <small>[[Palisot de Beauvois]] ex [[Otto Kuntze|O.Kuntze]], 1891</small>
*''Diadenus'' <small>[[Palisot de Beauvois]] ex [[Otto Kuntze|O.Kuntze]], 1891</small>
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}}
}}


'''''Bangia''''' is an extant genus of division [[Rhodophyta]] that grows in marine or [[freshwater]] habitats. ''Bangia'' has small thalli with rapid growth and high reproductive output, and exhibits behavior characteristic of [[r selection|r-selected]] species. The plants are attached by down-growing [[rhizoid]]s, usually in dense purple-black to rust-colored clumps. The chloroplasts of ''Bangia'', like others in the division Rhodophyta, contain [[chlorophyll a]] and sometimes [[chlorophyll d]], as well as accessory pigments such as [[phycobilin]] pigments and [[xanthophyll]]s. Depending on the relative proportions of these pigments and the light conditions, the overall color of the plant can range from green to red to purple to grey; however, the red pigment, [[phycoerythrin]], is usually dominant.
'''''Bangia''''' is an extant genus of division [[Rhodophyta]] that grows in marine or [[freshwater]] habitats. ''Bangia'' has small thalli with rapid growth and high reproductive output, and exhibits behavior characteristic of [[r-selected]] species. The plants are attached by down-growing [[rhizoid]]s, usually in dense purple-black to rust-colored clumps. The chloroplasts of ''Bangia'', like others in the division Rhodophyta, contain [[chlorophyll a]] and sometimes [[chlorophyll d]], as well as accessory pigments such as [[phycobilin]] pigments and [[xanthophyll]]s. Depending on the relative proportions of these pigments and the light conditions, the overall color of the plant can range from green to red to purple to grey; however, the red pigment, [[phycoerythrin]], is usually dominant.


== Species ==
== Species ==
{{Div col|colwidth=25em}}
{{Div col|colwidth=25em}}
*''[[Bangia aeruginosa]]'' <small>[[Sprengel]]{{Disambiguation needed|date=June 2019}}</small>
*''[[Bangia aeruginosa]]'' <small>[[Kurt Polycarp Joachim Sprengel|Sprengel]]</small>
*''[[Bangia amethystina]]'' <small>[[Friedrich Traugott Kützing|Kützing]]</small>
*''[[Bangia amethystina]]'' <small>[[Friedrich Traugott Kützing|Kützing]]</small>
*''[[Bangia anisogona]]'' <small>[[Giuseppe Giovanni Antonio Meneghini|Meneghini]]</small>
*''[[Bangia anisogona]]'' <small>[[Giuseppe Giovanni Antonio Meneghini|Meneghini]]</small>
*''[[Bangia annulina]]'' <small>([[Albrecht Wilhelm Roth|Roth]]) [[Sprengel]]{{Disambiguation needed|date=June 2019}}</small>
*''[[Bangia annulina]]'' <small>([[Albrecht Wilhelm Roth|Roth]]) [[Kurt Polycarp Joachim Sprengel|Sprengel]]</small>
*''[[Bangia atropurpurea]]'' <small>([[Franz Carl Mertens|Mertens]] ex [[Albrecht Wilhelm Roth|Roth]]) [[Carl Adolph Agardh|C.Agardh]]</small><ref name=Boelens>Boelens, G., Boelens, R., Minchin, B. and Minchin, D. 2014 ''Bangia atropurpurea'' (Maertens ex Roth) C. Agardh (Rhodophyta) in the Grand Canal, Ireland. ''Ir. Nat. J.'' '''33''': 128 - 129</ref>
*''[[Bangia atropurpurea]]'' <small>([[Franz Carl Mertens|Mertens]] ex [[Albrecht Wilhelm Roth|Roth]]) [[Carl Adolph Agardh|C.Agardh]]</small><ref name=Boelens>Boelens, G., Boelens, R., Minchin, B. and Minchin, D. 2014 ''Bangia atropurpurea'' (Maertens ex Roth) C. Agardh (Rhodophyta) in the Grand Canal, Ireland. ''Ir. Nat. J.'' '''33''': 128 - 129</ref>
**''[[Bangia atropurpurea f. ferruginea]]'' <small>[[Walter Migula|Migula]]</small>
**''[[Bangia atropurpurea f. ferruginea]]'' <small>[[Walter Migula|Migula]]</small>
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**''[[Bangia atropurpurea var. elongata]]'' <small>[[Louis Alphonse de Brébisson|Brébisson]]</small>
**''[[Bangia atropurpurea var. elongata]]'' <small>[[Louis Alphonse de Brébisson|Brébisson]]</small>
**''[[Bangia atropurpurea var. elongata]]'' <small>[[Carl Adolph Agardh|C.Agardh]]</small>
**''[[Bangia atropurpurea var. elongata]]'' <small>[[Carl Adolph Agardh|C.Agardh]]</small>
**''[[Bangia atropurpurea var. ferruginea]]'' <small>([[Kerner]]{{Disambiguation needed|date=June 2019}}) [[Gottlob Ludwig Rabenhorst|Rabenhorst]]</small>
**''[[Bangia atropurpurea var. ferruginea]]'' <small>([[Anton Kerner von Marilaun|Kerner]]) [[Gottlob Ludwig Rabenhorst|Rabenhorst]]</small>
**''[[Bangia atropurpurea var. heteronema]]'' <small>[[August Alphonse Derbès|Derbès]] & [[Antoine Joseph Jean Solier|Solier]]</small>
**''[[Bangia atropurpurea var. heteronema]]'' <small>[[August Alphonse Derbès|Derbès]] & [[Antoine Joseph Jean Solier|Solier]]</small>
**''[[Bangia atropurpurea var. muscicola]]'' <small>[[Giuseppe De Notaris|De Notaris]]</small>
**''[[Bangia atropurpurea var. muscicola]]'' <small>[[Giuseppe De Notaris|De Notaris]]</small>
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*''[[Bangia enteromorphoides]]'' <small>[[E. Yale Dawson|E.Y.Dawson]]</small>
*''[[Bangia enteromorphoides]]'' <small>[[E. Yale Dawson|E.Y.Dawson]]</small>
*''[[Bangia fergusonii]]'' <small>[[Albert Grunow|Grunow]]</small>
*''[[Bangia fergusonii]]'' <small>[[Albert Grunow|Grunow]]</small>
*''[[Bangia ferruginea]]'' <small>[[Kerner]]{{Disambiguation needed|date=June 2019}}</small>
*''[[Bangia ferruginea]]'' <small>[[Anton Kerner von Marilaun|Kerner]]</small>
*''[[Bangia flocculosa]]'' <small>[[Peter Schousboe|Schousboe]]</small>
*''[[Bangia flocculosa]]'' <small>[[Peter Schousboe|Schousboe]]</small>
*''[[Bangia foetida]]'' <small>[[Sprengel]]{{Disambiguation needed|date=June 2019}}</small>
*''[[Bangia foetida]]'' <small>[[Kurt Polycarp Joachim Sprengel|Sprengel]]</small>
*''[[Bangia foetida]]'' <small>[[Ernst Gottlieb von Steudel|Steudel]]</small>
*''[[Bangia foetida]]'' <small>[[Ernst Gottlieb von Steudel|Steudel]]</small>
*''[[Bangia foliacea]]'' <small>[[Peter Schousboe|Schousboe]]</small>
*''[[Bangia foliacea]]'' <small>[[Peter Schousboe|Schousboe]]</small>
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*''[[Bangia harveyi]]'' <small>[[Johan Erhard Areschoug|Areschoug]]</small>
*''[[Bangia harveyi]]'' <small>[[Johan Erhard Areschoug|Areschoug]]</small>
*''[[Bangia homotrichoides]]'' <small>[[Friedrich Traugott Kützing|Kützing]]</small>
*''[[Bangia homotrichoides]]'' <small>[[Friedrich Traugott Kützing|Kützing]]</small>
*''[[Bangia intricata]]'' <small>[[Louis Alphonse de Brébisson|Brébisson]] & [[Godey]]{{Disambiguation needed|date=June 2019}}</small>
*''[[Bangia intricata]]'' <small>[[Louis Alphonse de Brébisson|Brébisson]] & [[Louis-Luc Godey|Godey]]</small>
*''[[Bangia intricata]]'' <small>[[Johannes Nicolaus von Suhr|Suhr]] ex [[Gottlob Ludwig Rabenhorst|Rabenhorst]]</small>
*''[[Bangia intricata]]'' <small>[[Johannes Nicolaus von Suhr|Suhr]] ex [[Gottlob Ludwig Rabenhorst|Rabenhorst]]</small>
*''[[Bangia kerkensis]]'' <small>[[Giuseppe Giovanni Antonio Meneghini|Meneghini]]</small>
*''[[Bangia kerkensis]]'' <small>[[Giuseppe Giovanni Antonio Meneghini|Meneghini]]</small>
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==Etymology ==
==Etymology ==
The genus was named after [[Niels Hofman Bang]], the patron of [[Hans Christian Lyngbye]], who described the genus.
The genus was named after [[Niels Hofman Bang]] (1803–1886), the Danish patron of [[Hans Christian Lyngbye]], who described the genus.<ref>{{cite book | last=Burkhardt | first=Lotte | title=Eine Enzyklopädie zu eponymischen Pflanzennamen |trans-title=Encyclopedia of eponymic plant names | publisher=Botanic Garden and Botanical Museum, Freie Universität Berlin | year=2022 | isbn=978-3-946292-41-8 | url=https://doi.org/10.3372/epolist2022|format=pdf |language=German |location=Berlin | doi=10.3372/epolist2022 | s2cid=246307410 |access-date=January 27, 2022}}</ref>


== References ==
== References ==
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==Further reading==
==Further reading==
*Sheath, R.G. (2003). Red Algae. In: Freshwater Algae of North America, Ecology & Classification. (Wehr, J.D. & Sheath, R.G. Eds), pp. 197-224. San Diego: Academic Press.
*Sheath, R.G. (2003). Red Algae. In: Freshwater Algae of North America, Ecology & Classification. (Wehr, J.D. & Sheath, R.G. Eds), pp.&nbsp;197–224. San Diego: Academic Press.
*Silva, P.C.; Basson, P.W.; Moe, R.L. (1996). Catalogue of the Benthic Marine Algae of the Indian Ocean. University of California Publications in Botany. 79, xiv+1259 pp. ISBN 0–520–09810–2., available online at https://books.google.com/books?id=vuWEemVY8WEC&pg=PA5
*Silva, P.C.; Basson, P.W.; Moe, R.L. (1996). Catalogue of the Benthic Marine Algae of the Indian Ocean. University of California Publications in Botany. 79, xiv+1259 pp. {{ISBN|0-520-09810-2}}, available online at https://books.google.com/books?id=vuWEemVY8WEC&pg=PA5
*Silva, P.C. & Nelson, W.A. (2008). History of the typification of conserved and rejected names, including an account of the typification of ''Bangia'' Lyngb. (Bangiaceae, Rhodophyta). Taxon 57: 1351-1354.
*Silva, P.C. & Nelson, W.A. (2008). History of the typification of conserved and rejected names, including an account of the typification of ''Bangia'' Lyngb. (Bangiaceae, Rhodophyta). Taxon 57: 1351-1354.
*Sutherland, J.E., Lindstrom, S.C., Nelson, W.A., Brodie, J., Lynch, M.D., Hwang, M.S., Choi, H.-G., Miyata, M., Kikuchi, N., Oliveira, M.C., Farr, T., Neefus, C., Mols-Mortensen, A. Milstein, D. & Müller, K.M. (2011). A new look at an ancient order: generic revision of the Bangiales (Rhodophyta). Journal of Phycology 47(5): 1131-1151.
*Sutherland, J.E., Lindstrom, S.C., Nelson, W.A., Brodie, J., Lynch, M.D., Hwang, M.S., Choi, H.-G., Miyata, M., Kikuchi, N., Oliveira, M.C., Farr, T., Neefus, C., Mols-Mortensen, A. Milstein, D. & Müller, K.M. (2011). A new look at an ancient order: generic revision of the Bangiales (Rhodophyta). Journal of Phycology 47(5): 1131-1151.

Latest revision as of 20:00, 9 March 2024

Bangia
"Bangia fuscopurpurea"
Bangia fuscopurpurea
Scientific classification Edit this classification
(unranked): Archaeplastida
Division: Rhodophyta
Class: Bangiophyceae
Order: Bangiales
Family: Bangiaceae
Genus: Bangia
Lyngbye, 1819[1]
Type species
Bangia atropurpurea[3]
Species

see text[2]

Synonyms[4]

Bangia is an extant genus of division Rhodophyta that grows in marine or freshwater habitats. Bangia has small thalli with rapid growth and high reproductive output, and exhibits behavior characteristic of r-selected species. The plants are attached by down-growing rhizoids, usually in dense purple-black to rust-colored clumps. The chloroplasts of Bangia, like others in the division Rhodophyta, contain chlorophyll a and sometimes chlorophyll d, as well as accessory pigments such as phycobilin pigments and xanthophylls. Depending on the relative proportions of these pigments and the light conditions, the overall color of the plant can range from green to red to purple to grey; however, the red pigment, phycoerythrin, is usually dominant.

Species[edit]

Description[edit]

Bangia is a red alga that arises from a discoid holdfast and short stipe consisting of the extensions of rhizoidal cells. Bangia has unbranched, erect thalli forming initially uniseriate filaments becoming multiseriate at maturity. The plant is composed of filiform, unbranched cylinders of cells embedded in a firm gelatinous matrix. The cell contains a stellate chloroplast with prominent pyrenoid, as well as single thylakoids (characteristic of division Rhodophyta). The growth of Bangia is diffuse and intercalary, and each cell is quadrate to rectangular in shape. Primary pitt connections are absent in all but the conchocelis stage.

Distribution[edit]

Bangia grows in freshwater or in marine habitats, usually forming dense clumps or mats, and occur throughout the intertidal area and subtidally to the maximum depth at which benthic algae occur. The plants are usually attached to a solid substratum (rock or shell), but can also occur as epiphytes attached to other algae.

Ecology[edit]

Marine populations of Bangia in the Atlantic Ocean are common food for the periwinkle Littorina littorea.

Reproduction[edit]

Species of Bangia undergo a heteromorphic alternation of generation life cycle in which the haploid generation is dominant. Reproduction can be either sexual or asexual; sexual plants occur mainly during the cold season of the year, while at other times the thalli often bear monosporangia only. Bangia, like all Rhodophytes, lack motile sperm and so depend upon water currents to transport their gametes to the trichogyne (receptive area of the female gamete or carpogonium).

All sexual reproduction in rhodophytes is oogamous. Carposporangia are formed through direct division of the zygote. Carpospores germinate to form the diploid filamentous conchocelis phase, which produces conchosporangial branches bearing conchosporangia, each containing a single conchospore. These conchospores then germinate to form gametophytes. During the "conchocelis stage", the plants can also self-replicate using monospores. The monospores develop directly into new plants and may germinate within the sporangia.

Scientific interest[edit]

Silicified peritidal carbonate rocks have been found off Somerset Island, arctic Canada, which contain fossils of well-preserved bangiophyte red algae (Bangiomorpha). Because these fossils have multiseriate filaments derived by longitudinal divisions from uniseriate filaments, taxonomists believe that these fossils are related to Bangia. This resolution distinguished these fossils from other pre-Ediacaran eukaryotes and contributes to evidence that multicellular algae diversified before the Ediacaran radiation of large animals.

Related genera[edit]

Bangiadulcis and Pseudobangia were previously thought to be part of the genus Bangia. However, it has since been discovered that these plants can only undergo asexual reproduction through the formation of archaeosporangia. In fact, sexual reproduction has so far only been recorded in Bangia, Porphyra, Erythrotrichia and Erythrocladia.

Etymology[edit]

The genus was named after Niels Hofman Bang (1803–1886), the Danish patron of Hans Christian Lyngbye, who described the genus.[6]

References[edit]

  1. ^ Lyngbye, H.C. (1819). Tentamen hydrophytologiae danicae continens omnia hydrophyta cryptogama Daniae, Holsatiae, Faeroae, Islandiae, Groenlandiae hucusque cognita, systematice disposita, descripta et iconibus illustrata, adjectis simul speciebus norvegicis. pp. [i]-xxxii, [1]-248, 70 pls. Hafniae [Copenhagen]: typis Schultzianis, in commissis Librariae Gyldendaliae. https://img.algaebase.org/pdf/25E4D8D711cd6252F2pT5D060A8A/13523.pdf
  2. ^ a b Guiry, M.D. & Guiry, G.M. 2019. AlgaeBase. World-wide electronic publication, National University of Ireland, Galway. http://www.algaebase.org/search/genus/detail/?genus_id=33891 ; searched on 13 June 2019.
  3. ^ Pfeiffer, L. (1871-1873). Nomenclator botanicus. Nominum ad finem anni 1858 publici juris factorum, classes, ordines, tribus, familias, divisiones, genera, subgenera vel sectiones designantium enumeratio alphabetica. Adjectis auctoribus, temporibus, locis systematicis apud varios, notis literariis atque etymologicis et synonymis. Vol. 1 pp. [i-vi], [1]-808. Cassellis [Cassel]: Sumptibus Theodori Fischeri [Theodor Fischer].
  4. ^ Guiry, M.D. & Guiry, G.M. (2019). AlgaeBase. World-wide electronic publication, National University of Ireland, Galway (taxonomic information republished from AlgaeBase with permission of M.D. Guiry). Bangia Lyngbye, 1819. Accessed through: World Register of Marine Species at: http://www.marinespecies.org/aphia.php?p=taxdetails&id=143807 on 2019-06-13
  5. ^ Boelens, G., Boelens, R., Minchin, B. and Minchin, D. 2014 Bangia atropurpurea (Maertens ex Roth) C. Agardh (Rhodophyta) in the Grand Canal, Ireland. Ir. Nat. J. 33: 128 - 129
  6. ^ Burkhardt, Lotte (2022). Eine Enzyklopädie zu eponymischen Pflanzennamen [Encyclopedia of eponymic plant names] (pdf) (in German). Berlin: Botanic Garden and Botanical Museum, Freie Universität Berlin. doi:10.3372/epolist2022. ISBN 978-3-946292-41-8. S2CID 246307410. Retrieved January 27, 2022.
  • Brodie, Juliet A., and Irvine, Linda M. “Volume I Rhodophyta Part 3B Bangiophycidae.” Seaweeds of the British Isles. The Natural History Museum. St. Edmundsbury Press Ltd., 2003. pp 91–92
  • Butterfiled, Nicholas J; Knoll, Andrew H; Sweet, Keene. “A Bangiophyte Red Alga from the Proterozoic of Arctic Canada.” Science, New Series, Vol. 250, No. 4977, 1990. pp 104–107
  • Fritsch, F.E. “Structure and Reproduction of the Algae Volume II.” Cambridge University Press 1945. pp 397–398, 415, 423-424, 431, 433-435
  • Garbary, David, J; Hansen, Gayle I; Scagel, Robert F. “The Marine Algae of British Columbia and Northern Washington: Division Rhodophyta (Red Algae), Class Bangiophyceae.” Dept. of Botany, University of British Columbia, Vancouver, Canada. 1980. pp 139–142 and 164-165

Further reading[edit]

  • Sheath, R.G. (2003). Red Algae. In: Freshwater Algae of North America, Ecology & Classification. (Wehr, J.D. & Sheath, R.G. Eds), pp. 197–224. San Diego: Academic Press.
  • Silva, P.C.; Basson, P.W.; Moe, R.L. (1996). Catalogue of the Benthic Marine Algae of the Indian Ocean. University of California Publications in Botany. 79, xiv+1259 pp. ISBN 0-520-09810-2, available online at https://books.google.com/books?id=vuWEemVY8WEC&pg=PA5
  • Silva, P.C. & Nelson, W.A. (2008). History of the typification of conserved and rejected names, including an account of the typification of Bangia Lyngb. (Bangiaceae, Rhodophyta). Taxon 57: 1351-1354.
  • Sutherland, J.E., Lindstrom, S.C., Nelson, W.A., Brodie, J., Lynch, M.D., Hwang, M.S., Choi, H.-G., Miyata, M., Kikuchi, N., Oliveira, M.C., Farr, T., Neefus, C., Mols-Mortensen, A. Milstein, D. & Müller, K.M. (2011). A new look at an ancient order: generic revision of the Bangiales (Rhodophyta). Journal of Phycology 47(5): 1131-1151.
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