Danionella cerebrum

Danionella cerebrum is a cyprinid fish species reported in 2021 from turbid low altitude streams on the southern and eastern slopes of the Bago Yoma mountain range in Myanmar.[1] It was previously erroneously identified as Danionella translucida due to the close resemblance and similar geographical distribution of the two species.[1][2][3] Adult fish of the species measure only 10–13.5 mm in size and have a brain volume of just 0.6 mm3 which is thus far the smallest known adult vertebrate brain.[1][3][4] Danionella cerebrum larvae have been shown to exhibit similarities but also differences in their locomotor activity compared to the zebrafish (Danio rerio) to which they are evolutionary closely related.[2][5]

Danionella cerebrum
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Order: Cypriniformes
Family: Cyprinidae
Genus: Danionella
Species:
D. cerebrum
Binomial name
Danionella cerebrum
Britz, Conway & Rüber, 2021

Due to its miniature size, rich behavioural repertoire, and optical translucency that persits into adulthood, Danionella cerebrum holds great promise for non-invasive whole-brain in vivo imaging analyses with single cell resolution in an adult vertebrate and is beginning to emerge as a novel important model system in current neuroscience research.[1][2][3][4][5][6][7]

References
  1. Britz, Ralf; Conway, Kevin W.; Rüber, Lukas (2021-09-23). "The emerging vertebrate model species for neurophysiological studies is Danionella cerebrum, new species (Teleostei: Cyprinidae)". Scientific Reports. 11 (1): 18942. Bibcode:2021NatSR..1118942B. doi:10.1038/s41598-021-97600-0. ISSN 2045-2322. PMC 8460714. PMID 34556691.
  2. Rajan, Gokul; Lafaye, Julie; Faini, Giulia; Carbo-Tano, Martin; Duroure, Karine; Tanese, Dimitrii; Panier, Thomas; Candelier, Raphaël; Henninger, Jörg; Britz, Ralf; Judkewitz, Benjamin (2022-03-29). "Evolutionary divergence of locomotion in two related vertebrate species". Cell Reports. 38 (13): 110585. doi:10.1016/j.celrep.2022.110585. ISSN 2211-1247. PMID 35354040. S2CID 247810504.
  3. Schulze, Lisanne; Henninger, Jörg; Kadobianskyi, Mykola; Chaigne, Thomas; Faustino, Ana Isabel; Hakiy, Nahid; Albadri, Shahad; Schuelke, Markus; Maler, Leonard; Del Bene, Filippo; Judkewitz, Benjamin (November 2018). "Transparent Danionella translucida as a genetically tractable vertebrate brain model". Nature Methods. 15 (11): 977–983. doi:10.1038/s41592-018-0144-6. ISSN 1548-7105. PMID 30323353. S2CID 53085675.
  4. Rajan, Gokul; Duroure, Karine; Del Bene, Filippo (2022), "Danionella translucida, a tankful of new opportunities", Laboratory Fish in Biomedical Research, Elsevier, pp. 409–418, doi:10.1016/b978-0-12-821099-4.00017-1, ISBN 978-0-12-821099-4, S2CID 239639509, retrieved 2022-04-14
  5. Lindemann, Nina; Kalix, Leon; Possiel, Jasmin; Stasch, Richard; Kusian, Tamia; Köster, Reinhard Wolfgang; von Trotha, Jakob William (2022). "A comparative analysis of Danionella cerebrum and zebrafish (Danio rerio) larval locomotor activity in a light-dark test". Frontiers in Behavioral Neuroscience. 16: 885775. doi:10.3389/fnbeh.2022.885775. ISSN 1662-5153. PMC 9385977. PMID 35990722.
  6. Penalva, Ariadne; Bedke, Jacob; Cook, Elizabeth S. B.; Barrios, Joshua P.; Bertram, Erin P. L.; Douglass, Adam D. (2018-10-16). "Establishment of the miniature fish species Danionella translucida as a genetically and optically tractable neuroscience model": 444026. doi:10.1101/444026. S2CID 91582837. {{cite journal}}: Cite journal requires |journal= (help)
  7. Kadobianskyi, Mykola; Schulze, Lisanne; Schuelke, Markus; Judkewitz, Benjamin (2019-08-26). "Hybrid genome assembly and annotation of Danionella translucida". Scientific Data. 6 (1): 156. Bibcode:2019NatSD...6..156K. doi:10.1038/s41597-019-0161-z. ISSN 2052-4463. PMC 6710283. PMID 31451709.


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