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"Living fossil" mollusk genome reveals the evolutionary code of the eye |
Eyes are an important organ for us to receive information from the outside world.
On May 11th, "Nature-Ecology and Evolution" published a new research result of the team of Yu Ziniu , a researcher at the South China Sea Institute of Oceanology, Chinese Academy of Sciences .
researcher
Nautilus, a rare mollusk, has existed on the earth for more than 500 million years, even before the dinosaurs; moreover, it has changed little in the long course of evolution and still retains many ancient features of its ancestors, such as spirals.
According to Yu Ziniu, the research team completed the sequencing of the Nautilus genome for the first time in the world.
first
This research has enriched the basic theoretical research on the evolution of mollusks, and it has also found the reason for the unique “pinhole eye” of the unique species of Nautilus.
Because the shell has a regular and beautiful spiral shape, the Nautilus has good ornamental and decorative properties, and this commercial value has also caused a certain degree of illegal fishing.
Nautilus much Nautiloid number of extant species (six kinds), population resources are extremely scarce, it is also unable to carry out artificial breeding, he called for public awareness-raising.
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1038/s41559-021-01448-6" target="_blank">https://doi.
org/10.
1038/s41559-021-01448-6