Johns Hopkins scientists report what is believed to be the first evidence that complex, reversible behavioral patterns in bees – and presumably other animals – are linked to reversible chemical tags on genes.
Plants & Animals
Sep 16, 2012
2
0
Small stretches of DNA in the human genome are known as "pseudogenes" because, while their sequences are nearly identical to those of various genes, they have long been thought to be non-coding "junk" DNA.
Cell & Microbiology
Feb 24, 2013
0
0
Proteins are the chief actors in cells, carrying out the duties specified by information encoded in our genes. Most proteins live only two days or less, ensuring that those damaged by inevitable chemical modifications are ...
Cell & Microbiology
Sep 3, 2013
0
0
(Phys.org) —Jonathan Tang had a problem. A graduate student studying neural circuitry in the retina, he wanted to do more than identify fluorescent cells that send signals to the brain. He sought to understand how these ...
Biotechnology
Aug 16, 2013
0
0
You know you have a skeleton, but did you know that your cells have skeletons, too? Cellular skeletons, or cytoskeletons, are shapeshifting networks of tiny protein filaments, enabling cells to propel themselves, carry cargo, ...
Cell & Microbiology
Aug 9, 2019
0
133
Snakes and lizards are reptiles that belong to the order Squamata. They share several traits but differ in one obvious respect: Snakes do not have limbs. The two suborders diverged more than 100 million years ago. Identification ...
Evolution
Feb 7, 2019
11
273
Experiments at Johns Hopkins have unearthed clues about which protein signaling molecules are allowed into hollow, hair-like "antennae," called cilia, that alert cells to critical changes in their environments.
Biochemistry
May 12, 2013
1
0
(PhysOrg.com) -- Brookhaven scientists have created a new enzyme with the potential to interfere with a key cell-wall component in plants, possibly leading to plants that are easier to "digest" and convert to biofuels.
Biochemistry
Dec 21, 2009
0
0
A study published today in the journal eLife has shown that a protein called Astrin is important for the timely and even separation of chromosomes during cell division.
Molecular & Computational biology
Dec 27, 2019
0
130
One protein. One mechanism of action. Two biologically opposite effects.
Biotechnology
Jul 23, 2021
0
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