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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 | doi-access = free }}</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.|author-link3=Linda Holland|date=2018-08-01|title=Nodal and Hedgehog synergize in gill slit formation during development of the cephalochordate Branchiostoma floridae|journal=Development|language=en|volume=145|issue=15|pages=dev162586|doi=10.1242/dev.162586|issn=0950-1991|pmid=29980563|doi-access=free}}</ref> The lancelet Branchiostoma floridae maintains a high level of Fox transcription factor gene diversity, with 32 distinct Fox genes in its genome,<ref>Yu, J., Mazet, F., Chen, Y., Huang, S., Jung, K., & Shimeld, S. M. (2008). The Fox genes OF Branchiostoma Floridae. ''Development Genes and Evolution,'' ''218''(11-12), 629-638. doi:10.1007/s00427-008-0229-9</ref> and 21,229 clusters of cDNA clones, making it very useful to the research community.<ref>Yu, J., Wang, M., Shin-I, T., Kohara, Y., Holland, L. Z., Satoh, N., & Satou, Y. (2008). A cDNA resource for the cephalochordate amphioxus Branchiostoma Floridae. ''Development Genes and Evolution,'' ''218''(11-12), 723-727. doi:10.1007/s00427-008-0228-x</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 | doi-access = free }}</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.|author-link3=Linda Holland|date=2018-08-01|title=Nodal and Hedgehog synergize in gill slit formation during development of the cephalochordate Branchiostoma floridae|journal=Development|language=en|volume=145|issue=15|pages=dev162586|doi=10.1242/dev.162586|issn=0950-1991|pmid=29980563|doi-access=free}}</ref> The lancelet Branchiostoma floridae maintains a high level of Fox transcription factor gene diversity, with 32 distinct Fox genes in its genome,<ref>Yu, J., Mazet, F., Chen, Y., Huang, S., Jung, K., & Shimeld, S. M. (2008). The Fox genes OF Branchiostoma Floridae. ''Development Genes and Evolution,'' ''218''(11-12), 629-638. doi:10.1007/s00427-008-0229-9</ref> and 21,229 clusters of cDNA clones, making it very useful to the research community.<ref>{{cite journal|title=A cDNA resource for the cephalochordate amphioxus Branchiostoma floridae|first1=Jr-Kai|last1=Yu|first2=Ming-Chih|last2=Wang|first3=Tadasu|last3=Shin-I|first4=Yuji|last4=Kohara|first5=Linda Z.|last5=Holland|first6=Noriyuki|last6=Satoh|first7=Yutaka|last7=Satoh|date=December 2008|journal=Development Genes and Evolution|volume=218|issue=11-12|pages=723-727|doi=10.1007/s00427-008-0228-x|pmid=18773220}}</ref>


==References==
==References==

Revision as of 04:51, 11 June 2023

Branchiostoma floridae
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Leptocardii
Family: Branchiostomatidae
Genus: Branchiostoma
Species:
B. floridae
Binomial name
Branchiostoma floridae
Hubbs 1922

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] The lancelet Branchiostoma floridae maintains a high level of Fox transcription factor gene diversity, with 32 distinct Fox genes in its genome,[3] and 21,229 clusters of cDNA clones, making it very useful to the research community.[4]

References

  1. ^ 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.
  2. ^ 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.
  3. ^ Yu, J., Mazet, F., Chen, Y., Huang, S., Jung, K., & Shimeld, S. M. (2008). The Fox genes OF Branchiostoma Floridae. Development Genes and Evolution, 218(11-12), 629-638. doi:10.1007/s00427-008-0229-9
  4. ^ Yu, Jr-Kai; Wang, Ming-Chih; Shin-I, Tadasu; Kohara, Yuji; Holland, Linda Z.; Satoh, Noriyuki; Satoh, Yutaka (December 2008). "A cDNA resource for the cephalochordate amphioxus Branchiostoma floridae". Development Genes and Evolution. 218 (11–12): 723–727. doi:10.1007/s00427-008-0228-x. PMID 18773220.


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