News tagged with eukaryotic cells
Major insights into evolution of life reported
(PhysOrg.com) -- Humans might not be walking the face of the Earth were it not for the ancient fusing of two prokaryotes -- tiny life forms that do not have a cellular nucleus. UCLA molecular biologist James ...
Aug 19, 2009 |
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Research breakthrough on the question of life expectancy
Why do we grow old and what can we do to stop it? This is the question asked by many, but it appears that we are now closer to an answer thanks to new research published by Monash University researcher Dr ...
Aug 05, 2010 |
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Evolution still scientifically stable
An international team of researchers, including Monash University biochemists, has discovered evidence at the molecular level in support of one of the key tenets of Darwin's theory of evolution.
Sep 14, 2009 |
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Star Wars-inspired bacterium provides glimpse into life
(PhysOrg.com) -- A bacterium whose name was inspired by the Star Wars films has provided new clues into the evolution of our own cells and how they came to possess the vital energy-producing units called mitochondria.
Dec 09, 2011 |
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An answer to another of life's big questions
(PhysOrg.com) -- Monash University biochemists have found a critical piece in the evolutionary puzzle that explains how life on Earth evolved millions of centuries ago.
Feb 05, 2010 |
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Energy revolution key to complex life
The evolution of complex life is strictly dependent on mitochondria, the tiny power stations found in all complex cells, according to a new study by Dr Nick Lane, from UCL (University College London), and ...
Oct 20, 2010 |
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Study reveals how protein machinery binds and wraps DNA to start replication
(PhysOrg.com) -- Before any cell - healthy or cancerous - can divide, it has to replicate its DNA. So scientists who want to know how normal cells work - and perhaps how to stop abnormal ones - are keen to ...
Mar 06, 2012 |
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Method of the future uses single-cell imaging to identify gene interactions
Cellular imaging offers a wealth of data about how cells respond to stimuli, but harnessing this technique to study biological systems is a daunting challenge. In a study published online in Genome Research, researchers have d ...
Feb 08, 2010 |
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New study finds titan cells protect Cryptococcus
Giant cells called "titan cells" protect the fungus Cryptococcus neoformans during infection, according to two University of Minnesota researchers. Kirsten Nielsen, Ph.D., an assistant professor in the department of microb ...
May 28, 2012 |
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Discovery of DNA silencing mechanism reveals how plants protect their genome
(PhysOrg.com) -- Researchers at the RIKEN Plant Science Center (PSC) have clarified a key epigenetic mechanism by which an enzyme in the model plant Arabidopsis protects cells from harmful DNA elements. Published ...
May 12, 2011 |
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Cells use import machinery to export their goods as well
(PhysOrg.com) -- In the bustling economy of the cell, little bubbles called vesicles serve as container ships, ferrying cargo to and from the port — the cell membrane. Some of these vesicles, called post-Golgi vesicles, export ...
Jul 03, 2009 |
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Researchers Find Tools Needed To Build a Cellular Shredder
(PhysOrg.com) -- Yale University researchers have discovered a set of cellular chaperones needed to assemble a proteasome, the cellular workhorse that recycles proteins and is crucial for the existence of all eukaryotic cells.
May 28, 2009 |
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Scientists develop first fully automated pipeline for multiprotein complex production
Most cellular processes are carried out by molecular machines that consist of many interacting proteins. These protein complexes lie at the heart of life science research, but they are notoriously hard to study. Their abundance ...
May 04, 2009 |
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Membrane-coat proteins: Bacteria have them too
Although they are present almost everywhere, on land and sea, a group of related bacteria in the superphylum Planctomycetes-Verrucomicrobia-Chlamydiae, or PVC, have remained in relative obscurity ever since ...
Jan 20, 2010 |
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Making cells turn cartwheels
Centrioles are barrel-shaped connection hubs that, like key Meccano parts, hold together the microtubule connection rods that form the structural framework of the cells in our bodies.
Feb 01, 2011 |
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