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2024-01-03T22:10:00.0000000Z
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Biologists pinpoint fossils of first photosynthesising bacteria

Cosmos

Photosynthesis first evolved in living organisms at least 1.75 billion years ago, according to a new study into ancient organisms by a team of Belgian biologists.

The updated timescale is the result of their study into fossilised cyanobacteria (sometimes referred to as ‘blue-green algae’) sourced from the McArthur Basin, which stretches from the northern fringe of Australia along the Arafura Sea and Gulf of Carpentaria.

The group from the University of Liège believe they’ve found in microfossils of Navifusa majensis the “oldest direct evidence” of specialised biological structures – thylakoid membranes – which are essential to oxygenic (oxygen-producing) photosynthesis.

Read on: https://cosmosmagazine.com/nature/evolution/biologists-pinpoint-fossils-of-first-photosynthesising-bacteria/
Cyanobacteria
Blue_green_algae
Chlorophyll

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