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organelles

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Holly Moeller walks along Campus Point Beach.
Q&A

She Finds Keys to Ecology in Cells That Steal From Others

By Veronique Greenwood
December 19, 2022
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The ecologist Holly Moeller studies microorganisms that expand their range by absorbing organelles and gaining new metabolic talents from their prey.

Micrograph of a macrophage phagocytosing bacteria.
evolution

Ancient Genes for Symbiosis Hint at Mitochondria’s Origins

By Veronique Greenwood
April 26, 2022
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Was the addition of mitochondria a first step in the formation of complex cells or one of the last? A new study of bacteria tries to answer this contentious question in evolutionary biology.

Simulated microscopy image of light shining through mitochondrial bundles and emerging as tight beams.
biophysics

Mitochondria Double as Tiny Lenses in the Eye

By Yasemin Saplakoglu
April 5, 2022
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The optical properties of mitochondrial bundles in the retina may improve how efficiently the eye captures light.

False-colored electron micrograph of an ovarian cell, showing cross-sections of mitochondria.
cell biology

‘Social’ Mitochondria, Whispering Between Cells, Influence Health

By Katarina Zimmer
July 6, 2021
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Mitochondria appear to communicate and cooperate with one another, both within and between cells. Biologists are only just beginning to understand how and why.

Looping video of chloroplasts moving within the walled cells of the pond plant Elodea.
Abstractions blog

Plant Cells of Different Species Can Swap Organelles

By Viviane Callier
January 20, 2021
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In grafted plants, shrunken chloroplasts can jump between species by slipping through unexpected gateways in cell walls.

Electron micrograph showing a viral factory and new viral particles inside a cell.
evolution

Did Viruses Create the Nucleus? The Answer May Be Near.

By Christie Wilcox
November 25, 2020
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An unorthodox symbiotic theory about the origin of eukaryotes’ defining characteristic may soon be put to the test.

Illustration of anxious woman surrounded by mitochondria.
physiology

Mitochondria May Hold Keys to Anxiety and Mental Health

By Elizabeth Landau
August 10, 2020
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Research hints that the energy-generating organelles of cells may play a surprisingly pivotal role in mediating anxiety and depression.

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

Cell-Bacteria Mergers Offer Clues to How Organelles Evolved

By Viviane Callier
October 3, 2019
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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.

Q&A

His Artificial Intelligence Sees Inside Living Cells

By John Pavlus
July 24, 2019
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The computer vision scientist Greg Johnson is building systems that can recognize organelles on sight and show the dynamics of living cells more clearly than microscopy can.


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