Experiment Gone Awry Suggests Novel Way to Combat Hypoxia
Experiment Gone Awry Suggests Novel Way to Combat Hypoxia
While exploring suspended animation in mice, scientists discover how an enzyme can protect the brain from dangerously low levels of oxygen.
Experiment Gone Awry Suggests Novel Way to Combat Hypoxia
Experiment Gone Awry Suggests Novel Way to Combat Hypoxia

While exploring suspended animation in mice, scientists discover how an enzyme can protect the brain from dangerously low levels of oxygen.

While exploring suspended animation in mice, scientists discover how an enzyme can protect the brain from dangerously low levels of oxygen.

mitochondria
Fat Cells Send Mitochondrial Distress Signals to the Heart
Fat Cells Send Mitochondrial Distress Signals to the Heart
Ruth Williams | Aug 20, 2021
Vesicles containing fragments of the organelles released from stressed adipocytes protect the heart against oxygen deprivation, a study in mice shows.
Extreme Exercise Carries Metabolic Consequences: Study
Extreme Exercise Carries Metabolic Consequences: Study
Shawna Williams | Mar 23, 2021
Healthy people put through high-intensity interval training, or HIIT, displayed insulin resistance and mitochondrial dysfunction after working out excessively.
The Biggest Science News of 2020
The Biggest Science News of 2020
Kerry Grens | Dec 23, 2020
Neanderthal DNA surprises in modern humans, the first blood test for Alzheimer’s, a discovery of new human salivary glands, and, oh yeah, a pandemic
New Gene Editing Tool Corrects Mutations in Mitochondrial DNA
New Gene Editing Tool Corrects Mutations in Mitochondrial DNA
Amanda Heidt | Jul 9, 2020
An enzyme pulled from toxic bacteria can enter the organelle and perform single-nucleotide DNA swaps.
Image of the Day: Ancient Horned Lark
Image of the Day: Ancient Horned Lark
Amy Schleunes | Mar 6, 2020
A complete bird specimen uncovered in northeastern Siberia is radiocarbon dated to be roughly 44,000–49,000 years old.
Macrophages in Mice Shuttle Mitochondria to Neurons in Need
Macrophages in Mice Shuttle Mitochondria to Neurons in Need
Katarina Zimmer | Mar 5, 2020
The findings could represent a novel mechanism for relieving inflammatory pain.
Infographic: A Gene Editor for Plant Mitochondrial DNA
Infographic: A Gene Editor for Plant Mitochondrial DNA
Ruth Williams | Mar 1, 2020
New TALEN-based tools enable the organelle’s genome to be targeted and modified.
Can Destroying Senescent Cells Treat Age-Related Disease?
Can Destroying Senescent Cells Treat Age-Related Disease?
Katarina Zimmer | Mar 1, 2020
A handful of clinical trials are underway to find out whether drugs that target senescent cells can slow the ravages of old age.
Gene Editing Reaches Plant Mitochondria
Gene Editing Reaches Plant Mitochondria
Ruth Williams | Mar 1, 2020
Modified gene editing machinery enables targeted disruptions of mitochondrial genes in rice and rapeseed plants.
Infographic: How Does Cell Senescence Drive Aging and Disease?
Infographic: How Does Cell Senescence Drive Aging and Disease?
Katarina Zimmer | Mar 1, 2020
The accumulation of zombie-like cells seems to accelerate aging and promote aging-related disease. Researchers are trying to figure out how.
Researchers Find Cell-Free Mitochondria Floating in Human Blood
Researchers Find Cell-Free Mitochondria Floating in Human Blood
Katarina Zimmer | Feb 6, 2020
The functional, respiring organelles appear to be present in the blood of healthy people, but their function is yet unclear.
Image of the Day: Unusual ATP Synthase
Image of the Day: Unusual ATP Synthase
Emily Makowski | Jan 8, 2020
A single-celled organism has an energy-producing enzyme with unique features.
Dramatic Temperature Spikes Inside Cells Draw Interest, Skepticism
Dramatic Temperature Spikes Inside Cells Draw Interest, Skepticism
Shawna Williams | Dec 1, 2019
Using a tiny thermometer, researchers record fluctuations of more than 7 Kelvin in sea slug neurons when a heat-generating mitochondrial process is switched on.
Mitochondria from Different Brain Cells Have Different Proteins
Mitochondria from Different Brain Cells Have Different Proteins
Jef Akst | Dec 1, 2019
Organelles isolated from two types of neurons and a nonneuronal astrocyte in the mouse cerebellum showed varying levels of proteins, hinting at functional differences.
Infographic: What’s in a Mitochondrion?
Infographic: What’s in a Mitochondrion?
Jef Akst | Dec 1, 2019
A study finds variations in the levels of proteins for some important processes among organelles from different brain cells.
Spaceflight Alters Genes of Human Stem Cell–Derived Heart Cells
Spaceflight Alters Genes of Human Stem Cell–Derived Heart Cells
Emily Makowski | Nov 7, 2019
Cardiomyocytes made from iPSCs aboard the International Space Station had upregulated mitochondrial functioning.
Infographic: How the Mitochondrial and Nuclear Genomes Interact
Infographic: How the Mitochondrial and Nuclear Genomes Interact
Viviane Callier | Nov 1, 2019
From regulating each other’s gene expression to encoding different parts of the same proteins, the two genome types in every eukaryotic cell are far from independent.
The Two Genomes in Every Eukaryotic Cell
The Two Genomes in Every Eukaryotic Cell
Viviane Callier | Nov 1, 2019
Interactions between mitochondrial and nuclear genomes have further-reaching effects on physiological function, adaptation, and speciation than previously appreciated.