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Origin of life: A Darwinian machine for non-living objects

Today

Life is usefully defined on the basis of process: any set of entities that participates in the process…
Herringbone pattern in plant cell walls critical to cell growth

Yesterday

Plant cells tend to grow longer instead of wider due to the alignment of the many layers of…
Leaking away essential resources isn’t wasteful, actually helps cells grow

Yesterday

Experts have been unable to explain why cells from bacteria to humans leak essential chemicals necessary for growth…
Cellular waste system disposes of coronavirus

6 days ago

Research into basic cellular processes continually leads to unexpected discoveries. A study by researchers from the Max Planck…
First-of-its-kind hydrogel platform enables on-demand production of medicines and chemicals

February 10, 2020

A team of chemical engineers has developed a new way to produce medicines and chemicals and preserve them…
Researchers discover intricate process of DNA repair in genome stability

February 7, 2020

An elaborate system of filaments, liquid droplet dynamics and protein connectors enables the repair of some damaged DNA…
Chromatin organizes into 3D ‘forests’ in single cells

February 5, 2020

A single cell contains the genetic instructions for an entire organism. This genomic information is managed and processed…
Alena Klindziuk. (Credit: Jeff Fitlow/Rice University)
Cells’ springy coils pump bursts of RNA

February 4, 2020

In your cells, it’s almost always spring. Or at least springy. Bioscientists have known for some time that…
Microsized Bacterial Bait Could Provide New Treatment for Infections

February 3, 2020

Micromotors that swim to infected sites in the body to lure, trap and destroy bacteria could offer a…
Patient with unusually severe infection leads scientists to a rare type of immune deficiency

January 30, 2020

It can turn the nuclei of human cells into kidney-shaped blobs, but it’s unlikely that you would have…
Members of the piRNA research team. From left to right: Keisuke Shoji, Yukihide Tomari, and Natsuko Izumi. Image credit: 2019 Caitlin Devor, The University of Tokyo, CC-BY.
Understanding how cells defend their genome against invaders

January 30, 2020

Researchers at the University of Tokyo have uncovered more details about the tiny defenders that ensure fertility by…
Heart: Revving the Engine

January 28, 2020

The heart’s ability to beat normally over a lifetime is predicated on the synchronized work of proteins embedded…
Discovery sheds new light on how cells move

January 27, 2020

When we cut our skin, groups of cells rush en masse to the site to heal the wound.…
Researchers conduct census of cell surface proteins

January 24, 2020

Stanford scientists have completed the first global census of diverse proteins sprouting tree-like from the outer membrane of…
Why cells need acidic lysosomes

January 24, 2020

Just like the body contains lungs, liver, and lymph nodes, so does each of the body’s cells contain…
Next Generation Cell Retention for High Cell Density Upstream Bioprocesses

January 23, 2020

The further intensification of bioprocesses can continue to drive to lower cost solutions by providing smaller footprint processes…
New image analysis method for time-lapse microscopy shows how giant viruses infect amoeba

January 22, 2020

Host cells infected with giant viruses behave in a unique manner. To gain deeper insight into the infection…
While Promoting Diseases Like Cancer, These Enzymes Also Cannibalize Each Other

January 22, 2020

Like motley bandits, certain enzymes implicated in cancer and other diseases also annihilate each other. A new study…
Zika Virus’ Key into Brain Cells ID’d, Leveraged to Block Infection and Kill Cancer Cells

January 20, 2020

Zika virus infection can stunt neonatal brain development, a condition known as microcephaly, in which babies are born…
Controlling molecular glue protects connections between brain cells

January 20, 2020

A way in which some connections between brain cells can resist degeneration – a hallmark of traumatic brain…
Image courtesy of D. Hoffman et al, HHMI
Merging old and new microscopy yields best 3D view yet inside cells

January 17, 2020

By combining electron microscopy (EM) with the latest super-resolution microscopy (SR), Howard Hughes Medical Institute (HHMI) and UC…
Jumping Genes Threaten Egg Cell Quality; Understanding Their Activity Has Implications For Fertility And Health Of Future Generations.

January 17, 2020

A woman’s supply of eggs is finite, so it is crucial that the quality of their genetic material…
A Simple Twist of Cell Fate

January 15, 2020

How do a couple of universally expressed proteins in stem cells and developing embryos influence an individual cell’s…
Arabidopsis root tip cells stained with a red dye. Image on the right shows increased cell division when IRK is inhibited. Image credit: Jaimie Van Norman/UCR
Research identifies possible on/off switch for plant growth

January 14, 2020

New research from UC Riverside identifies a protein that controls plant growth —  good news for an era…
Researchers Find New Function for Macropinocytosis in Mammalian Cell Growth

January 13, 2020

Research suggests the possibility of a more general phenomenon, applicable to the growth of other primary cell types.…
Scientists have created a synthetic film that mimics transmembrane proteins. Image credit: Jill D. Hemman, Oak Ridge National Laboratory
New discovery makes it easier to design synthetic proteins that rival their natural counterparts

January 10, 2020

Researchers, led by UC Berkeley engineers, have created a synthetic material that is as effective as naturally occurring…
Catalytic protocells get zingy

January 9, 2020

Artificial cells capable of oxygen gas production and chemical signaling have been prepared using a combination of synthetic…
New compounds block master regulator of cancer growth, metastasis

January 7, 2020

Scientists have developed new drug compounds that thwart the pro-cancer activity of FOXM1, a transcription factor that regulates…
Study sheds new light on how cells interact with their surroundings

January 6, 2020

Researchers from Queen Mary University of London identify novel pathway behind how cells sense and respond to their…
Human Embryonic Stem Cells (hESCs). Image credit: Nissim Benvenisty via Wikimedia, CC BY 2.5
Scientists discover molecular ‘lock’ that prevents genetic mistakes when cells divide

December 31, 2019

Research from Queen Mary University of London has provided new insight into how dividing cells control the separation…
Nanopores can identify the amino acids in proteins, the first step to sequencing

December 30, 2019

While DNA sequencing is a useful tool for determining what’s going on in a cell or a person’s…
Gone fishin’ … for proteins

December 27, 2019

Using a new microscopic “fishing” technique, scientists at the Montreal Clinical Research Institute (IRCM) and Université de Montréal have…
Pseudomonas bacteria under the electron microscope. Credit: MPIIB / Volker Brinkmann
Body cells spy out bacteria

December 24, 2019

Bacterial infection does not automatically lead to illness; many germs only become dangerous when they occur in large…
A step closer to understanding evolution―Mitochondrial division conserved across species

December 23, 2019

New study shows exactly how the manner in which mitochondria divide has remained the same since evolution began.…
Protein injections in medicine

December 20, 2019

Pathogens can use a range of toxins to damage their host organism. Bacteria, such as those responsible for…
A way to ‘fingerprint’ human cells

December 19, 2019

Researchers have developed a method that allows them to identify single cells with a unique genomic profile from…
When cells cycle fast, cancer gets a jumpstart

December 19, 2019

The progression of cancer has been studied extensively, and the key steps in this journey have been well…
Blue mushroom dye used to develop new fluorescent tool for cell biologists

December 18, 2019

A new tool for detecting reactive oxygen species based on a dye found in mushrooms has been developed…
Screen could offer better safety tests for new chemicals

December 17, 2019

It’s estimated that there are approximately 80,000 industrial chemicals currently in use, in products such as clothing, cleaning…
Better Tools for Improved Understanding of Mitochondrial Polarisation in Stem Cells

December 11, 2019

Researchers from Sechenov University (Project 5-100 participant) and University College Cork (Ireland) developed a new method for studying…
Researchers find new evidence that a fungus can be hard to find

December 10, 2019

A team of experts have discovered that a common fungus that infects humans can not only predict an…
Graduate student researcher hits the lights on cells’ development

December 9, 2019

Combining light and a protein linked to cancer, researchers at Princeton University have created a biological switch to…
A new way to control microbial metabolism

December 6, 2019

Microbes can be engineered to produce a variety of useful compounds, including plastics, biofuels, and pharmaceuticals. However, in…
Physical forces affect bacteria’s toxin resistance, study finds

December 6, 2019

A random conversation between two Cornell researchers at a child’s birthday party led to a collaboration and new…
S. roeselii contracting onto its holdfast. Image credit: Bill Porter via Harvard Medical School
Unexpected Depths: Decision making in single-cell organisms

December 6, 2019

New study hints at complex decision making in a single-cell organism. Once, single-cell life claimed sole dominion over…
Investigating the rise of oxygenic photosynthesis

December 4, 2019

About 2.4 billion years ago, at the end of the Archean Eon, a planet-wide increase in oxygen levels…
Tunable chemotaxis of enzyme-coated protocells could lead to precision drug deliver. Illustration of protocells, called liposomes, that have enzymes (green) attached to their external surface moving through a microfluidic device. Depending on the enzyme, protocells can be made to move toward or away from gradients of chemical signals (grey dots). Image credit: Ambika Somasundar, Penn State
Directional control of self-propelled protocells: The future of drug delivery?

December 2, 2019

Synthetic protocells can be made to move toward and away from chemical signals, an important step for the…
Trinity researchers uncover critical metabolic switch for inflammatory diseases

November 28, 2019

A research team in Trinity has uncovered a critical role for a protein called ‘PKM2’ in the regulation…
Technique identifies T cells primed for certain allergies or infections

November 27, 2019

When your immune system is exposed to a vaccine, an allergen, or an infectious microbe, subsets of T…
Scientists unravel mysteries of cells’ whiplike extensions

November 22, 2019

Cilia, or flagella — whiplike appendages on cells — perform diverse tasks required to keep the body healthy.…
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