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bacteria & microbes

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.

A stream in the Zackenberg Valley of northeastern Greenland
Posted inResearch Spotlights

How Will Climate Change Affect Arctic Stream Slime?

Kate Wheeling, freelance science writer by Kate Wheeling 15 April 202024 February 2023

Rising temperatures and thawing permafrost will change nutrient concentrations in Arctic waterways, which will influence the growth of biogeochemically important biofilms.

Metal drill going into ice hole
Posted inNews

A Subglacial Lake in Antarctica Churns Out Nutrients

Katherine Kornei, Science Writer by Katherine Kornei 8 April 202029 April 2022

Eight hundred meters below the West Antarctic Ice Sheet, microbes in subglacial Lake Whillans create organic carbon that helps power the Southern Ocean’s vast food chain.

Beach on barrier island Spiekeroog in Germany
Posted inResearch Spotlights

Microbial Mechanisms Change with the Seasons

Elizabeth Thompson by Elizabeth Thompson 1 April 202012 October 2022

Microbes living in the sand on a barrier island alter the way they break down organic matter as their environment changes throughout the year, which has implications for the surrounding water column.

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

Deepwater Horizon and the Rise of the Omics

by J. Kostka, S. B. Joye and Rita R. Colwell 25 March 202018 May 2022

Microbial genomics techniques came of age following the Deepwater Horizon spill, offering researchers unparalleled insights into how ecosystems respond to such environmental disasters.

Researchers hold up petri dish of cultured fungi
Posted inNews

Microbes Discovered Hanging Out in the Ocean’s Crust

Jenessa Duncombe, Staff Writer by Jenessa Duncombe 11 March 202010 November 2021

“The lower ocean crust is one of the last frontiers of the exploration for life on Earth.”

The hyperacidic lake inside the crater of Poás volcano in Costa Rica
Posted inScience Updates

Microbial Influences on Subduction Zone Carbon Cycling

by D. Giovannelli, P. H. Barry, J. M. de Moor, K. G. Lloyd and M. O. Schrenk 3 March 202024 October 2022

An innovative collaboration is investigating how geobiological processes alter fluxes of carbon and other materials between the deep Earth and the surface.

Illustration of the interstellar object ‘Oumuamua shedding dust while hurtling toward the distant Sun
Posted inNews

Interstellar Visitors Could Export Terrestrial Life to Other Stars

Nola Taylor Redd, Science Writer by Nola Taylor Tillman 22 January 20204 January 2023

A handful of interstellar objects and long-period comets could have scooped up microorganisms from Earth and carried them to worlds around other stars.

Swirls of photosynthetic algae thrive in the Arabian Sea in February 2015.
Posted inResearch Spotlights

Anaerobic Activity Is a Big Contributor in Marine “Dead Zones”

Sarah Stanley, Science Writer by Sarah Stanley 17 January 20202 March 2023

Climate models that do not account for anaerobic microbial activity may underestimate future expansion of oxygen-depleted waters.

The remotely operated vehicle Hercules
Posted inResearch Spotlights

Investigating Rates of Microbial Methane Munching in the Ocean

Sarah Stanley, Science Writer by Sarah Stanley 16 January 202018 May 2022

Analyses of microbial activity in seawater samples help clarify the fate of methane released from the seafloor.

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