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bacteria

Close-up photo of a carpenter ant queen carrying eggs.
evolution

How Two Became One: Origins of a Mysterious Symbiosis Found

September 9, 2020

Carpenter ants need endosymbiotic bacteria to guide the early development of their embryos. New work has reconstructed how this deep partnership evolved.

An illustration that represents the big differences in size and diversity in the microbiomes of six species.
microbiology

Some Animals Have No Microbiome. Here’s What That Tells Us.

April 14, 2020

To stay healthy, humans and some other animals rely on a complex community of bacteria in their guts. But research is starting to show that those partnerships might be more the exception than the rule.

An illustration in which a capsule-shaped drug imprinted with circuit-board diagrams blasts nearby bacteria.
artificial intelligence

Machine Learning Takes On Antibiotic Resistance

March 9, 2020

To combat resistant bacteria and refill the trickling antibiotic pipeline, scientists are getting help from deep learning networks.

Abstractions blog

Biodiversity Alters Strategies of Bacterial Evolution

January 6, 2020

In evolution, context is everything: Bacteria with neighbors evolve to rebuff viruses in a different way.

Illustration
neuroscience

How Microbiomes Affect Fear

December 4, 2019

New studies help to explain how microbes in the gut can shape a host’s fear responses.

Illustration of DNA that combines elements of mealybug and bacterial imagery.
evolution

Cell-Bacteria Mergers Offer Clues to How Organelles Evolved

October 3, 2019

Cells in symbiotic partnership, sometimes nested one within the other and functioning like organelles, can borrow from their host’s genes to complete their own metabolic pathways.

cell biology

Bacterial Clones Show Surprising Individuality

September 4, 2019

Genetically identical bacteria should all be the same, but in fact, the cells are stubbornly varied individuals.

Root glowing green against black background. Small spheres and threadlike filaments surround it.
ecology

Soil’s Microbial Market Shows the Ruthless Side of Forests

August 27, 2019

In the “underground economy” for soil nutrients, fungi strike hard bargains and punish plants that won’t meet their price.

Art for "Bacterial Complexity Revises Ideas About ‘Which Came First?’"
cell biology

Bacterial Complexity Revises Ideas About ‘Which Came First?’

June 12, 2019

Contrary to popular belief, bacteria have organelles too. Scientists are now studying them for insights into how complex cells evolved.