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microbiology

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Illustration of a mother holding an infant, with strands of DNA running between the bacteria inside them.
microbiome

Mobile Genes From the Mother Shape the Baby’s Microbiome

By Yasemin Saplakoglu
January 17, 2023
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Tiny genetic sequences in a mother’s bacteria seem to hop into the infant’s bacteria, perhaps ensuring a healthy microbiome later in life.

microbiology

Ocean Bacteria Reveal an Unexpected Multicellular Form

By Carrie Arnold
November 2, 2022
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Marine bacteria normally seen as single cells join together as a “microscopic snow globe” to consume bulky floating carbohydrates.

Artistic representation of water radiolysis supporting life below ground.
microbiology

Radioactivity May Fuel Life Deep Underground and Inside Other Worlds

By Jordana Cepelewicz
May 24, 2021
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New work suggests that the radiolytic splitting of water supports giant subsurface ecosystems of life on Earth — and could do it elsewhere, too.

ecology

A Physicist’s Approach to Biology Brings Ecological Insights

By Gabriel Popkin
October 13, 2020
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The physicist Jeff Gore tests theories about microbe communities experimentally and finds new rules governing ecological stability.

Photo of 12 petri dishes holding brightly colored fungi.
Abstractions blog

‘Zombie’ Microbes Redefine Life’s Energy Limits

By Jordana Cepelewicz
August 12, 2020
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A new model shows that the denizens of a vast, ancient biome beneath the seafloor use barely enough energy to stay alive — and broadens understanding of what life can look like.

Close-up of water swirling among rocks at the sea’s edge.
microbiology

Inside Deep Undersea Rocks, Life Thrives Without the Sun

By Jordana Cepelewicz
May 13, 2020
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Newly discovered worlds of microbes far beneath the ocean floor, inside old basaltic rocks, could point to a greater likelihood of life elsewhere in the universe.

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.

By Jordana Cepelewicz
April 14, 2020
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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.

cell biology

Bacterial Clones Show Surprising Individuality

By Carrie Arnold
September 4, 2019
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Genetically identical bacteria should all be the same, but in fact, the cells are stubbornly varied individuals.

Illustration: a virus broken up into parts over several cells
viruses

Viruses Can Scatter Their Genes Among Cells and Reassemble

By Viviane Callier
May 21, 2019
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Some viruses can replicate without infecting any one cell with all their genes.


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