Researchers have brought a 7000 -year -old algae back to life. The plant had sunk on the bottom of the Baltic Sea and had survived in the sediment without light and oxygen. Many living things can convert into a kind of sleep mode in unfavorable circumstances, the research team said.
“They switch to a state of reduced metabolic activity and often form special permanent stages with stable protective covers and stored energy reserves,” said the scientists of the German Leibnitz Institute for Baltic Sea Research (IOW). This also applies to the Skeletonema Marinoi Silica -Algen. “Their permanent phases fall on the bottom of the water and are covered by sediment over time and stored under the end of the air.”
Amazing fit
The research team investigated Sediment Kindels, which was won in 2021 during an expedition with the research ship “Elisabeth Mann Borgesee” east of the island of Gotland from 240 meters of water depth. In the laboratory, nine samples in the laboratory were awakened in favorable nutrition and lighting ratios from the permanent stage and isolated individual tribes.
The species that has now been brought to life turned out to be surprisingly fit. The algae not only “only survived”, but also did not lose their biological performance. “They grow, share and serve photosynthesis like their modern descendants,” said it. The species is still widespread in the Baltic Sea today.
Source: Krone
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