Hidden below the waves, the ocean contains vast reserves of sugar that we never were aware of, according to new research.
. It means seabed sugar concentrations are some 80 times higher than they would be normally.
"Under average light conditions, these plants use most of the sugars they produce for their own metabolism and growth. But under high light conditions, for example at midday or during the summer, the plants produce more sugar than they can use or store. Then they release the excess sucrose into their rhizosphere. Think of it as an overflow valve.
The researchers tested out their hypothesis in an actual underwater seagrass field to confirm that this is indeed what was happening, via a"In our experiments we added phenolics isolated from seagrass to the microorganisms in the seagrass rhizosphere,""And indeed, much less sucrose was consumed compared to when no phenolics were present.
France Dernières Nouvelles, France Actualités
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