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'''''Branchiostoma floridae''''' (the Florida lancelet) is a [[lancelet]] of the genus ''[[Branchiostoma]]''. The genome of this species has been sequenced, revealing that among the [[chordate]]s, the morphologically simpler [[tunicate]]s are actually more closely related to [[vertebrate]]s than lancelets.<ref name="putnam">{{Cite journal | first1 = N. H. | last1 = Putnam | first2 = T. | last2 = Butts | first3 = D. E. K. | last3 = Ferrier | first4 = R. F. | last4 = Furlong | first5 = U. | last5 = Hellsten | first6 = T. | last6 = Kawashima | first7 = M. | last7 = Robinson-Rechavi | first8 = E. | last8 = Shoguchi | first9 = A. | last10 = Yu | last9 = Terry | first10 = J. K. | last11 = Benito-Gutiérrez | first11 = E. L. | last12 = Dubchak | first12 = I. | last13 = Garcia-Fernàndez | first13 = J. | last14 = Gibson-Brown | first14 = J. J. | last15 = Grigoriev | first15 = I. V. | last16 = Horton | first16 = A. C. | last17 = De Jong | first17 = P. J. | last18 = Jurka | first18 = J. | last19 = Kapitonov | first19 = V. V. | last20 = Kohara | first20 = Y. | last21 = Kuroki | first21 = Y. | last22 = Lindquist | first22 = E. | last23 = Lucas | first23 = S. | last24 = Osoegawa | first24 = K. | last25 = Pennacchio | first25 = L. A. | last26 = Salamov | first26 = A. A. | last27 = Satou | first27 = Y. | last28 = Sauka-Spengler | first28 = T. | last29 = Schmutz | first29 = J. | last30 = Shin-i | first30 = T. | title = The amphioxus genome and the evolution of the chordate karyotype| journal = Nature| volume = 453| issue = 7198| pages = 1064–1071| date=Jun 2008 | issn = 0028-0836| doi = 10.1038/nature06967| pmid = 18563158|bibcode = 2008Natur.453.1064P }}</ref> |
'''''Branchiostoma floridae''''' (the Florida lancelet) is a [[lancelet]] of the genus ''[[Branchiostoma]]''. The genome of this species has been sequenced, revealing that among the [[chordate]]s, the morphologically simpler [[tunicate]]s are actually more closely related to [[vertebrate]]s than lancelets.<ref name="putnam">{{Cite journal | first1 = N. H. | last1 = Putnam | first2 = T. | last2 = Butts | first3 = D. E. K. | last3 = Ferrier | first4 = R. F. | last4 = Furlong | first5 = U. | last5 = Hellsten | first6 = T. | last6 = Kawashima | first7 = M. | last7 = Robinson-Rechavi | first8 = E. | last8 = Shoguchi | first9 = A. | last10 = Yu | last9 = Terry | first10 = J. K. | last11 = Benito-Gutiérrez | first11 = E. L. | last12 = Dubchak | first12 = I. | last13 = Garcia-Fernàndez | first13 = J. | last14 = Gibson-Brown | first14 = J. J. | last15 = Grigoriev | first15 = I. V. | last16 = Horton | first16 = A. C. | last17 = De Jong | first17 = P. J. | last18 = Jurka | first18 = J. | last19 = Kapitonov | first19 = V. V. | last20 = Kohara | first20 = Y. | last21 = Kuroki | first21 = Y. | last22 = Lindquist | first22 = E. | last23 = Lucas | first23 = S. | last24 = Osoegawa | first24 = K. | last25 = Pennacchio | first25 = L. A. | last26 = Salamov | first26 = A. A. | last27 = Satou | first27 = Y. | last28 = Sauka-Spengler | first28 = T. | last29 = Schmutz | first29 = J. | last30 = Shin-i | first30 = T. | title = The amphioxus genome and the evolution of the chordate karyotype| journal = Nature| volume = 453| issue = 7198| pages = 1064–1071| date=Jun 2008 | issn = 0028-0836| doi = 10.1038/nature06967| pmid = 18563158|bibcode = 2008Natur.453.1064P }}</ref> An embryo of a Florida amphioxus (''Branchiostoma floridae'') has a larval pharynx with gill slits that is asymmetrical. The gill slits in the larval pharynx form in the center of the embryo when it is in its earliest stage of development (primordial) meaning the thick layer of endoderm is overlapped by a thin layer; which aids into making the ''B. floridae'' asymmetrical from left to right. <ref>{{Cite journal|last=Ono|first=Hiroki|last2=Koop|first2=Demian|last3=Holland|first3=Linda Z.|date=2018-08-01|title=Nodal and Hedgehog synergize in gill slit formation during development of the cephalochordate Branchiostoma floridae|url=http://dev.biologists.org/content/145/15/dev162586|journal=Development|language=en|volume=145|issue=15|pages=dev162586|doi=10.1242/dev.162586|issn=0950-1991|pmid=29980563}}</ref> |
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== References == |
== References == |
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Revision as of 02:00, 8 November 2018
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| Class: | Leptocardii
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| Species: | Branchiostoma floridae
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Branchiostoma floridae (the Florida lancelet) is a lancelet of the genus Branchiostoma. The genome of this species has been sequenced, revealing that among the chordates, the morphologically simpler tunicates are actually more closely related to vertebrates than lancelets.[1] An embryo of a Florida amphioxus (Branchiostoma floridae) has a larval pharynx with gill slits that is asymmetrical. The gill slits in the larval pharynx form in the center of the embryo when it is in its earliest stage of development (primordial) meaning the thick layer of endoderm is overlapped by a thin layer; which aids into making the B. floridae asymmetrical from left to right. [2]
References
- ^ Putnam, N. H.; Butts, T.; Ferrier, D. E. K.; Furlong, R. F.; Hellsten, U.; Kawashima, T.; Robinson-Rechavi, M.; Shoguchi, E.; Terry, A.; Yu, J. K.; Benito-Gutiérrez, E. L.; Dubchak, I.; Garcia-Fernàndez, J.; Gibson-Brown, J. J.; Grigoriev, I. V.; Horton, A. C.; De Jong, P. J.; Jurka, J.; Kapitonov, V. V.; Kohara, Y.; Kuroki, Y.; Lindquist, E.; Lucas, S.; Osoegawa, K.; Pennacchio, L. A.; Salamov, A. A.; Satou, Y.; Sauka-Spengler, T.; Schmutz, J.; Shin-i, T. (Jun 2008). "The amphioxus genome and the evolution of the chordate karyotype". Nature. 453 (7198): 1064–1071. Bibcode:2008Natur.453.1064P. doi:10.1038/nature06967. ISSN 0028-0836. PMID 18563158.
- ^ Ono, Hiroki; Koop, Demian; Holland, Linda Z. (2018-08-01). "Nodal and Hedgehog synergize in gill slit formation during development of the cephalochordate Branchiostoma floridae". Development. 145 (15): dev162586. doi:10.1242/dev.162586. ISSN 0950-1991. PMID 29980563.
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