Branchiostoma floridae

Branchiostoma floridae
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Chordata
Class:	Leptocardii
Order:	Amphioxiformes
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

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.
Yu, Jr-Kai; Mazet, Francoise; Chen, Yen-Ta; Huang, Song-Wei; Jung, Kuo-Chen; Shimeld, Sebastian M. (December 2008). "The Fox genes of Branchiostoma floridae". Development Genes and Evolution. 218 (11–12): 629–638. doi:10.1007/s00427-008-0229-9. PMID 18773219. S2CID 7820676.
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. S2CID 22658341.

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[putnam-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, Jr-Kai; Mazet, Francoise; Chen, Yen-Ta; Huang, Song-Wei; Jung, Kuo-Chen; Shimeld, Sebastian M. (December 2008). "The Fox genes of Branchiostoma floridae". Development Genes and Evolution. 218 (11–12): 629–638. doi:10.1007/s00427-008-0229-9. PMID 18773219. S2CID 7820676.

[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. S2CID 22658341.