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bacteria & microbes

A tree with exposed roots grows atop weathered bedrock in a forest
Posted inResearch Spotlights

Researchers Unearth Bedrock Carbon and Water Dynamics

Elizabeth Thompson by Elizabeth Thompson 22 January 20213 December 2021

Deep tree roots bring respiring microbes into broken bedrock, generating carbon that’s released into the environment. New research explores this oft-overlooked carbon source.

The Sun sets over a rice field in Cambodia.
Posted inNews

Will Rising Temperatures Make Rice Too Toxic?

by N. Ogasa 9 December 202028 February 2023

Greenhouse experiments reveal how higher temperatures act to elevate arsenic levels in rice and may help focus efforts to solve a crisis threatening food systems around the world.

A Candidatus Magnetobacterium casensis cell containing magnetite crystals
Posted inResearch Spotlights

Chemical-Shuttling Bacteria Follow Earth’s Magnetic Field

Elizabeth Thompson by Elizabeth Thompson 4 December 202022 December 2021

Magnetotactic bacteria shunt sulfur, nitrogen, and other important elements between oxygen-poor and oxygen-rich waters.

Venus's clouds as seen by Mariner 10 in 1974
Posted inNews

¿Podría la Vida Estar Flotando en las Nubes de Venus?

Kimberly M. S. Cartier, News Writing and Production Intern for Eos.org by Kimberly M. S. Cartier 14 October 20208 September 2022

Si están presentes, los microbios podrían explicar patrones de evolución en la atmósfera planetaria de Venus, al observarse con luz ultravioleta.

Satellite image of a phytoplankton bloom in the Barents Sea
Posted inResearch Spotlights

Most of the Arctic’s Microscopic Algae Are Chilling Under Ice

Rachel Fritts, Science Writer by Rachel Fritts 21 September 20208 February 2023

New research reveals that tiny single-celled organisms in the Arctic Ocean are growing more numerous as climate change thins the ice.

Scientists take spectrometric readings at a rock outcrop in Western Australia
Posted inFeatures

Mars 2020 Team Using Australian Rocks in Search for Life on Mars

by A. J. Brown, C. E. Viviano and T. A. Goudge 2 July 202022 September 2022

Scientists are investigating evidence of ancient terrestrial microbes preserved in Australia as well as mineral maps derived from Mars orbiter data to shed light on how to search for life on Mars.

A rock pile in the Atacama Desert, Chile, with one rock in focus and two people standing in the background
Posted inNews

Desert Microbes Mine for Water

Lesley Evans Ogden, Science Writer by Lesley Evans Ogden 29 June 20204 January 2023

Scientists studying a cyanobacterium isolated from rock samples in the Atacama Desert found out how the bacteria extract water to live. Their results may help identify likely sites for life on Mars.

Chart showing percent of gram-positive isolates from sampling
Posted inEditors' Highlights

Dangerous Bacteria Catch a Ride on Saharan Dust

by Gabriel Filippelli 19 June 20202 February 2022

Saharan dust events can spread bacterial pathogens over long distances, but we may be able to predict the human health risk from exposure.

Candidatus Macondimonas diazotrophica visible both inside and around the edges of oil droplets
Posted inFeatures

Deepwater Horizon: La Plataforma Petrolera y el Surgimiento de las Técnicas Ómicas

by J. Kostka, S. B. Joye and Rita R. Colwell 29 May 202018 May 2022

Las técnicas de genómica microbiana llegaron a su madurez después del derrame de Deepwater Horizon, ofreciendo a los investigadores una visión incomparable de cómo los ecosistemas responden a tales desastres ambientales.

Dark water and lighter-colored wave bubbles
Posted inNews

Shedding New Light on the Nitrogen Cycle in the Dark Ocean

Jon Kelvey, Science Writer by Jon Kelvey 6 May 202011 October 2022

Researchers find that the key players in nitrification may already be known.

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