Search results for sarcomere

Cell & Microbiology Nov 1, 2023

Scientists shoot first true-to-life 3D image of the thick filament of mammalian heart muscle

Atrial fibrillation, heart failure and stroke—hypertrophic cardiomyopathy can lead to many serious health conditions and is a major cause of sudden cardiac death in people younger than 35.

Plants & Animals Jun 5, 2023

Muscle fibers: An unexpected organization revealed in Mediterranean fish

Researchers at the University of Liège, Eric Parmentier and Marc Thiry have just made the unexpected discovery of a novel organization of muscle fibers in Parophidion vassali, a fish that lives in the Mediterranean Sea and, ...

Plants & Animals Mar 13, 2023

How this little see-through fish gets its rainbow shimmer

You can see right through this little aquarium fish from Thailand: Its skin is almost completely transparent. But when the light hits it just right, its body flickers with shimmering rainbow colors.

Space Exploration Jul 18, 2022

How reduced gravity affects astronauts' muscles and nerve responses

Among the many functions performed by skeletal muscles, an important one is maintaining our posture. If it weren't for these muscles, Earth's gravitational pull may make it difficult for us to stand and walk around. The group ...

Nanomaterials Jun 3, 2022

Promising new materials mimic muscle structure and function

Inspired by the structure of muscles, an innovative new strategy for creating fiber actuators could lead to advances in robotics, prosthetics, and smart clothing, according to a Penn State led team of scientists who discovered ...

Biotechnology Feb 18, 2022

Scientists obtain first high-resolution 3D image of muscle protein nebulin

Scientists have obtained the first high-resolution 3D image of nebulin, a giant actin-binding protein that is an essential component of skeletal muscle. This discovery has brought to light the chance to better understand ...

Biochemistry Jun 18, 2021

Order from disorder in the sarcomere

Alpha-actinin can cross-link actin filaments and anchor them to the Z-disk in sarcomeres. Sarcomeres are a structural unit of myofibril in striated muscle. The FATZ (filamin, α-actinin- and telethonin-binding protein of ...

Molecular & Computational biology Jun 10, 2021

Fast heart, slow heart: Changes in the molecular motor myosin explain the difference

The human heart contracts about 70 times per minute, while that of a rat contracts over 300 times; what accounts for this difference? In a new study publishing 10th June in the open-access journal PLOS Biology, led by Michael ...

Biotechnology Mar 24, 2021

Zooming in on muscle cells has produced the first high-resolution 3D image of the sarcomere

An international team, led by Stefan Raunser, Director at the Max Planck Institute of Molecular Physiology in Dortmund, in collaboration with Mathias Gautel at the King's College in London, has produced the first high-resolution ...

Biochemistry Jun 25, 2020

Marangoni flows drive the alignment of fibrillar cell-laden hydrogels

When a stationary droplet containing a solute in a volatile solvent evaporates, the flow in the droplet can assemble into complex patterns. Researchers have examined such transport in evaporating sessile droplets in solvents. ...

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