词条 | Amphimedon queenslandica |
释义 |
| image = Amphimedon_queenslandica_adult.png | image_alt = Amphimedon queenslandica adult | taxon = Amphimedon queenslandica | authority = Hooper & Van Soest, 2006[1] }}Amphimedon queenslandica (formerly known as Reniera sp.[2]) is a sponge native to the Great Barrier Reef. Its genome has been sequenced.[3] It has been the subject of various studies on the evolution of metazoan development.[2][4]A. queenslandica was first discovered in 1998 on Heron Island Reef by Sally Leys during a survey of sponge species,[5] and was formally described by John Hooper and Rob van Soest in 2006.[1] Like most sponges, it has a biphasic life cycle, passing through a planktonic phase whilst a larva, but later becoming a benthic dweller.[5] It is hermaphroditic, and reproduces via spermcast spawning,[3] meaning it releases sperm into water but retains eggs, which are fertilised internally.[6] The embryos develop in brood chambers until they reach a certain size, then disperse as parenchymella larvae.[5] During this larval stage, they have a strong preference for darkness.[5] The sponge is difficult or impossible to maintain in captivity.[5] GeneticsThe genome of Amphimedon queenslandica was sequenced in 2009 to provide insights into the evolution of animal complexity and remains the only sponge to be sequenced.[3] References1. ^1 {{cite journal | last = Hooper | first = John N.A. | authorlink = |author2=Rob W.M. Van Soest | title = A new species of Amphimedon (Porifera, Demospongiae, Haplosclerida, Niphatidae) from the Capricorn-Bunker Group of Islands, Great Barrier Reef, Australia: target species for the 'sponge genome project' | journal = Zootaxa | volume = 1314 | issue = | pages = 31–39 | publisher = Magnolia Press | location = | date = 2006-09-14 | url = http://www.mapress.com/zootaxa/2006f/z01314p039f.pdf | doi = | hdl = 11245/1.265031 | accessdate = 2010-04-07}} {{Taxonbar|from=Q1930401}}{{DEFAULTSORT:Amphimedon Queenslandica}}{{demosponge-stub}}2. ^1 2 {{Cite journal| doi = 10.1371/journal.pone.0001031| pmid = 17925879| year = 2007| last1 = Adamska | first1 = M.| last2 = Degnan | first2 = S.| last3 = Green | first3 = K.| last4 = Adamski | first4 = M.| last5 = Craigie | first5 = A.| last6 = Larroux | first6 = C.| last7 = Degnan | first7 = B.| title = Wnt and TGF-beta expression in the sponge Amphimedon queenslandica and the origin of metazoan embryonic patterning| volume = 2| editor1-first = James| issue = 10| pages = e1031| editor1-last = Fraser| pmc = 2000352| journal = PLoS ONE| last8 = Fraser | first8 = J. |bibcode = 2007PLoSO...2.1031A }} 3. ^1 2 {{Cite journal | last1 = Srivastava | first1 = M. | last2 = Simakov | first2 = O. | last3 = Chapman | first3 = J. | last4 = Fahey | first4 = B. | last5 = Gauthier | first5 = M. 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S. | title = The Amphimedon queenslandica genome and the evolution of animal complexity | journal = Nature | volume = 466 | issue = 7307 | pages = 720–726 | year = 2010 | pmid = 20686567| pmc = 3130542|bibcode = 2010Natur.466..720S }} 4. ^{{Cite journal| doi = 10.1242/jeb.026971| pmid = 19251990| year = 2009| last1 = Tompkins-Macdonald | first1 = G. .| last2 = Gallin | first2 = W. .| last3 = Sakarya | first3 = O. .| last4 = Degnan | first4 = B. .| last5 = Leys | first5 = S. .| last6 = Boland | first6 = L. .| title = Expression of a poriferan potassium channel: insights into the evolution of ion channels in metazoans| volume = 212| issue = Pt 6| pages = 761–767| journal = The Journal of Experimental Biology }} 5. ^1 2 3 4 {{Cite journal | last1 = Degnan | first1 = B. M. | last2 = Adamska | first2 = M. | last3 = Craigie | first3 = A. | last4 = Degnan | first4 = S. M. | last5 = Fahey | first5 = B. | last6 = Gauthier | first6 = M. | last7 = Hooper | first7 = J. N. A. | last8 = Larroux | first8 = C. | last9 = Leys | first9 = S. P. | last10 = Lovas | first10 = E. | last11 = Richards | first11 = G. S. | title = The Demosponge Amphimedon queenslandica: Reconstructing the Ancestral Metazoan Genome and Deciphering the Origin of Animal Multicellularity | doi = 10.1101/pdb.emo108 | journal = Cold Spring Harbor Protocols | volume = 2008 | issue = 13 | pages = pdb.emo108 | year = 2008 | pmid = | pmc = }} 6. ^{{Cite journal | last1 = Bishop | first1 = J. D. D. | last2 = Pemberton | first2 = A. J. | doi = 10.1093/icb/icj037 | title = The third way: spermcast mating in sessile marine invertebrates | journal = Integrative and Comparative Biology | volume = 46 | issue = 4 | pages = 398–406 | year = 2006 | pmid = 21672752| pmc = }} 2 : Haplosclerina|Animals described in 2006 |
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