Hypsibius dujardini

Hypsibius dujardini
Scientific classification
Kingdom:	Animalia
Phylum:	Tardigrada
Class:	Eutardigrada
Order:	Parachaela
Family:	Hypsibiidae
Genus:	Hypsibius
Species:	H. dujardini
Binomial name
	Hypsibius dujardini; (Doyère, 1840)
Synonyms
	Macrobiotus dujardini Doyère, 1840;

Hypsibius dujardini sensu lato is a species complex of tardigrade in the class Eutardigrada. A member of this complex, Hypsibius exemplaris, is widely used for various research projects pertaining to evolutionary biology and astrobiology.[1]

H. exemplaris was differentiated from H. dujardini sensu stricto in 2018. Earlier studies refers to this lab species from north-west England as H. dujardini. H. dujardini s.s. is found in France, and has differences in 18S rRNA sequence and morphological details.[1]

Genome sequencing

The genome of Hypsibius exemplaris has been sequenced.[2][3] Hypsibius exemplaris has a compact genome and a generation time of about two weeks. It can be cultured indefinitely and cryopreserved.[4]

References

Gąsiorek, Piotr; Stec, Daniel; Morek, Witold; Michalczyk, Łukasz (2018). "An integrative redescription of Hypsibius dujardini (Doyère, 1840), the nominal taxon for Hypsibioidea (Tardigrada: Eutardigrada)". Zootaxa. 4415 (1): 45–75. doi:10.11646/zootaxa.4415.1.2. ISSN 1175-5334. PMID 30313631.
Koutsovoulos, Georgios; Kumar, Sujai; Laetsch, Dominik R.; Stevens, Lewis; Daub, Jennifer; Conlon, Claire; Maroon, Habib; Thomas, Fran; Aboobaker, Aziz A.; Blaxter, Mark (2016). "No evidence for extensive horizontal gene transfer in the genome of the tardigrade Hypsibius dujardini". Proceedings of the National Academy of Sciences of the United States of America. 113 (18): 5053–5058. doi:10.1073/pnas.1600338113. ISSN 0027-8424. PMC 4983863. PMID 27035985.
Yoshida, Yuki; Koutsovoulos, Georgios; Laetsch, Dominik R.; Stevens, Lewis; Kumar, Sujai; Horikawa, Daiki D.; Ishino, Kyoko; Komine, Shiori; Kunieda, Takekazu; Tomita, Masaru; Blaxter, Mark; Arakawa, Kazuharu; Tyler-Smith, Chris (27 July 2017). "Comparative genomics of the tardigrades Hypsibius dujardini and Ramazzottius varieornatus". PLOS Biology. 15 (7): e2002266. doi:10.1371/journal.pbio.2002266. PMC 5531438. PMID 28749982.
Gabriel, W; et al. (2007). "The tardigrade Hypsibius dujardini, a new model for studying the evolution of development". Developmental Biology. 312 (2): 545–559. doi:10.1016/j.ydbio.2007.09.055. PMID 17996863.

External links

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[GąsiorekStec2018-1] Gąsiorek, Piotr; Stec, Daniel; Morek, Witold; Michalczyk, Łukasz (2018). "An integrative redescription of Hypsibius dujardini (Doyère, 1840), the nominal taxon for Hypsibioidea (Tardigrada: Eutardigrada)". Zootaxa. 4415 (1): 45–75. doi:10.11646/zootaxa.4415.1.2. ISSN 1175-5334. PMID 30313631.

[KoutsovoulosKumar2016-2] Koutsovoulos, Georgios; Kumar, Sujai; Laetsch, Dominik R.; Stevens, Lewis; Daub, Jennifer; Conlon, Claire; Maroon, Habib; Thomas, Fran; Aboobaker, Aziz A.; Blaxter, Mark (2016). "No evidence for extensive horizontal gene transfer in the genome of the tardigrade Hypsibius dujardini". Proceedings of the National Academy of Sciences of the United States of America. 113 (18): 5053–5058. doi:10.1073/pnas.1600338113. ISSN 0027-8424. PMC 4983863. PMID 27035985.

[3] Yoshida, Yuki; Koutsovoulos, Georgios; Laetsch, Dominik R.; Stevens, Lewis; Kumar, Sujai; Horikawa, Daiki D.; Ishino, Kyoko; Komine, Shiori; Kunieda, Takekazu; Tomita, Masaru; Blaxter, Mark; Arakawa, Kazuharu; Tyler-Smith, Chris (27 July 2017). "Comparative genomics of the tardigrades Hypsibius dujardini and Ramazzottius varieornatus". PLOS Biology. 15 (7): e2002266. doi:10.1371/journal.pbio.2002266. PMC 5531438. PMID 28749982.

[4] Gabriel, W; et al. (2007). "The tardigrade Hypsibius dujardini, a new model for studying the evolution of development". Developmental Biology. 312 (2): 545–559. doi:10.1016/j.ydbio.2007.09.055. PMID 17996863.