Do zebra fish have brains?
What is beginning to emerge is that similar to other mammals, adult zebrafish have an integrated nervous system, which is proposed to contain homologous brain structures to those found in humans, as well as equivalent cellular and synaptic structure and function.
Can zebrafish regenerate the brain?
In addition, while central nervous system (CNS) regeneration is very limited in mammals, adult zebrafish exhibit a huge capability for regenerating the brain (Ayari et al., 2010; Diotel et al., 2010a, 2013; März et al., 2011; Baumgart et al., 2012; Kizil et al., 2012a; Schmidt et al., 2013).
How many cells are in a zebrafish brain?
Michael Kunst and his colleagues used a genetic trick to randomly label individual neurons among the 100,000 nerve cells in the brain of zebrafish larvae. The labeled cells were made brightly fluorescent and imaged under the microscope.
How do zebrafish grow and develop?
Zebrafish develop rapidly from a one-cell zygote that sits on top of a large yolk cell. Gastrulation begins approximately 6 h post fertilization, hatching at 2 days as a free-swimming larvae. Zebrafish reach sexual maturity around 3 months of age and can live for up to 5 years.
Can zebrafish regenerate cells on command?
Adult zebrafish are able to regenerate different organs, including all fins (32), the spinal cord (33), the retina (34), the heart (35), the telencephalon (36), and the kidney (37). Interestingly, the mechanisms that control regeneration seem to be organ-specific.
Can zebrafish regenerate body parts?
Specifically, zebrafish are capable of regenerating a wide range of organs including heart, fins, CNS, jaw, (lateral-line) hair cells, pancreas, liver, and kidneys [6].
Does Neurulation occur in zebrafish?
During the process of neurulation, the zebrafish differs from other vertebrates: instead of folding up the neural plate immediately into a tube with a lumen, it first forms a solid neural keel. In the so-called ‘secondary neurulation’, the fish neural rod inflates and forms a vertebrate typical tube.
Why do zebrafish develop so fast?
Maturation and growth rate During zebrafish development, the rate of zebrafish growth is influenced by many factors: water quality, temperature, genetics, food quality and availability, and population density. Even zebrafish grown in standardized conditions show a range of sizes and maturation states as they age (Fig.
How much DNA do we share with zebrafish?
Humans and zebrafish share 70 percent of the same genes and 84 percent of human genes known to be associated with human disease have a counterpart in zebrafish.