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To uncover the relationship between movement and oxygen uptake, the team had to devise a brand-new way of seeing what was going on, using high-speed footage capture and a long distance microscope.

Coral reefs are increasingly threaten by marine heatwaves, but what pushes corals past their breaking point? New in @ScienceAdvances @science.org: we found that corals can lose the microscopic system that helps move oxygen around their tissues during heat stress 🪸 doi.org/10.1126/scia...

Oxygen-sensitive nanoparticles reveal a new mechanism of coral stress

www.chemistryworld.com

18d

Warming seas impact cell structures that deliver oxygen to coral

Ciliary flows buffer coral O2 supply under heat stress until a tipping point, above which hypoxia and tissue failure are induced.

doi.org

Acute temperature effects on cilia beating increase coral deoxygenation

Our findings reveal a hidden tipping point in coral survival: corals may begin to suffocate internally before or alongside bleaching. These process occur in a water layer <1mm tick, easy to miss in conventional measurements but potentially critical for understanding coral health.

18d

New review on #luminescence #lifetime #imaging - #FLIM and #PLIM Massive work by flimagin3d.com PhD students Rishi Harkhoe and Gabriele Ferrari. Nice collaboration with Ruslan Dmitriev. Check it out🤓 MSCA-DN flimagin3d @moorefound.bsky.social pubs.acs.org/doi/10.1021/...

Coral reefs depend on a symbiotic partnership between corals and microscopic algae. New research shows heat stress can disrupt oxygen regulation at the coral surface, increasing the risk of bleaching and mortality. www.science.org/doi/10.1126/...