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‘Zombie’ Microbes Redefine Life’s Energy Limits
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.
Inside Deep Undersea Rocks, Life Thrives Without the Sun
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.
Some Animals Have No Microbiome. Here’s What That Tells Us.
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.
Bacterial Clones Show Surprising Individuality
Genetically identical bacteria should all be the same, but in fact, the cells are stubbornly varied individuals.
Viruses Can Scatter Their Genes Among Cells and Reassemble
Some viruses can replicate without infecting any one cell with all their genes.
Scientists Discover Nearly 200,000 Kinds of Ocean Viruses
New work raises the estimated diversity of viruses in the seas more than twelvefold and lays the groundwork for a better understanding of their impact on global nutrient cycles.
Heat-Loving Microbes, Once Dormant, Thrive Over Decades-Old Fire
In harsh ecosystems around the world, microbiologists are finding evidence that “microbial seed banks” protect biodiversity from changing conditions.
Researchers Rethink the Ancestry of Complex Cells
New studies revise ideas about the symbiosis that gave mitochondria to cells and about whether the last common ancestor of all eukaryotes was one cell or many.
New Squid Genome Shines Light on Symbiotic Evolution
Researchers hope that the genes of a glowing squid can illuminate how animals evolved organs for beneficial bacteria.