Nils Rädecker
radecker.bsky.social
Microbial ecologist studying the evolution and breakdown of photosymbiosis. Imaging all things small 🔬and big 📸 alike. Just joined @HIFMB, Germany. 🪸 🔬 🧫
👤 Joined on 12 September 2023
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- 12 Eyl 2023, 05:05
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We brake for nautilus! “We usually stopped what we were doing whenever we saw nautilus, b/c they are such amazing animals to watch,” said #VisioningCoralSea Chief Scientist Dr. Robin Beaman of James Cook University. This enigmatic cephalopod navigated the depths before dinosaurs roamed the Earth!
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🪸The mechanisms of cold-induced symbiotic breakdown and bleaching appear to be the same as for heat-stressed Cnidaria. Thanks to my incredible team for this beautiful effort – I am looking forward to more exciting research to come. Please share widely (and wildly)
Show Post🪸Overall, this suggests that chilling injury to algal symbionts caused a decoupling of light and dark reactions of photosynthesis – ultimately resulting in the breakdown of symbiotic nutrient cycling.
Show PostUsing untargeted LC-MS metabolomics, we further found evidence for catabolic digestion of protein reserves and increases in pre-apoptotic markers in cold-stressed anemone holobionts.
Show Post🪸Despite high photosynthetic efficiency, we witnessed the collapse of gross photosynthesis of algal symbionts. 🪸No gross photosynthesis inevitably equates to a lack of new photosynthate production – which ultimately means: host starvation.
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