All Alexandra Worden articles
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NewsSymbiotic bacteria ride along with marine cells in ocean’s upper layer
Symbiotic bacteria often accompany single-celled protists in the ocean’s upper layer. Some of these symbionts, scientists have discovered, are close relatives of bacteria pathogenic to animals, including humans.
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NewsFor microscopic organisms, ocean currents act as ‘expressway’ to deeper depths
New research shows how tiny plant-like organisms hitch a ride on ocean currents to reach darker and deeper depths, where they impact carbon cycling and microbial dynamics in the subtropical oceans.