Related topics: genes · embryos

Life in Antarctica's ice mirrors human disease

The cooling of the Southern Ocean surrounding Antarctica, which began approximately 35 million years ago and gave rise to its present icy state, has for decades been considered a classic example of climate change triggering ...

How cytoplasm separates from yolk

The segregation of yolk from the surrounding cytoplasm in the very early fish embryo is a key process for the development of fish larva. To identify its underlying mechanisms, biologists at the Institute of Science and Technology ...

Turning off HSF5 gene leads to less and poorer quality sperm

In research on zebrafish, Örebro researchers have identified a gene that is essential for producing sperm. Results show that fewer and poorer quality sperm are produced when the gene was turned off with the Crispr/Cas9 technique. ...

When a fish becomes fluid

Zebrafish aren't just surrounded by liquid, but turn liquid—in part—during their development. As the zebrafish embryo develops from a ball of cells to a fully-formed fish, a region of the embryo switches its phase from ...

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Zebrafish

The zebrafish, also known as Danio rerio, is a tropical freshwater fish belonging to the minnow family (Cyprinidae). It is a popular aquarium fish, frequently sold under the trade name zebra danio, and is an important vertebrate model organism in scientific research.

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