The Supreme Court is hearing arguments on marriage equality this week! I wonder if they discuss the issue amongst themselves? I imagine it would go a little something… like this.
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A histone is a protein that provides structural support to a chromosome. In order for very long DNA molecules to fit into the cell nucleus, they wrap around complexes of histone proteins, giving the chromosome a more compact shape. Some variants of histones are associated with the regulation of gene expression.
Credit: Darryl Leja, NHGRI
Via ScienceDaily:
Characteristics passed between generations are not decided solely by DNA, but can be brought about by other material in cells, new research shows.
Scientists studied proteins found in cells, known as histones, which are not part of the genetic code, but act as spools around which DNA is wound. Histones are known to control whether or not genes are switched on.
Researchers found that naturally occurring changes to these proteins, which affect how they control genes, can be sustained from one generation to the next and so influence which traits are passed on.
The finding demonstrates for the first time that DNA is not solely responsible for how characteristics are inherited. It paves the way for research into how and when this method of inheritance occurs in nature, and if it is linked to particular traits or health conditions.
It may also inform research into whether changes to the histone proteins that are caused by environmental conditions — such as stress or diet — can influence the function of genes passed on to offspring.
The research confirms a long-held expectation among scientists that genes could be controlled across generations by such changes. However, it remains to be seen how common the process is, researchers say.
Scientists tested the theory by carrying out experiments in a yeast with similar gene control mechanisms to human cells. They introduced changes to a histone protein, mimicking those that occur naturally, causing it to switch off nearby genes. The effect was inherited by subsequent generations of yeast cells.
The study, published in Science, was supported by the Wellcome Trust and the EC EpiGeneSys Network.
Professor Robin Allshire, of the University of Edinburgh’s School of Biological Sciences, who led the study, said: “We’ve shown without doubt that changes in the histone spools that make up chromosomes can be copied and passed through generations. Our finding settles the idea that inherited traits can be epigenetic, meaning that they are not solely down to changes in a gene’s DNA.”
The post DNA Can’t Explain All Inherited Biological Traits, Research Shows appeared first on disinformation.
Long ago in a kingdom far away reined an all-powerful Sith Lord whose powers were feared second only to his medieval Darth Vader armor. Now this one of a kind relic from the past has been unearthed and displayed in all its splendor.
Yo papa so tired, he can’t think of anything to put in this newspost.
Have a great day!
This is a video about P0rnHub's Wankband, a real piece of wearable tech which generates power from the motion of masturbating, and can then be plugged in (after washing your hands) to charge any USB device. No word if you can plug the wristband into your dying tablet WHILE masturbating to keep the power on. *going fast and furious* COME ON, I JUST NEED ANOTHER ANOTHER MINUTE TO FINISH. P0rnHub is trying to take the stigma out of masturbating, and help save the planet at the same time. Honestly, I can't believe there's even a stigma to masturbating in the first place. There's absolutely nothing wrong with it. It's WHERE you're doing it and WHAT YOU'RE DOING IT TO that starts to raise eyebrows.
Keep going for the introductory video, and visit thewankband.com if you want to be a beta tester.
Oh what, you guys have never seen a giant green peen before? Come on, Joker -- you're friends with Killer Croc.
Indonesian photographer Edy Harjo (links to his Facebook page with even more pictures) poses Marvel superheroes in funny situations and takes pictures of them (with some Photoshopping). I do something similar with my stuffed animals, except the situations are much more compromising than they are funny and I have every intention of extorting the stuffing out of them.
Keep going for a bunch more.
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