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Archive for the ‘genetics’ category: Page 364

Feb 19, 2018

In living color: Brightly-colored bacteria could be used to ‘grow’ paints and coatings

Posted by in categories: bioengineering, genetics, nanotechnology

Researchers have unlocked the genetic code behind some of the brightest and most vibrant colours in nature. The paper, published in the journal PNAS, is the first study of the genetics of structural colour — as seen in butterfly wings and peacock feathers — and paves the way for genetic research in a variety of structurally coloured organisms.

The study is a collaboration between the University of Cambridge and Dutch company Hoekmine BV and shows how genetics can change the colour, and appearance, of certain types of brightly-coloured . The results open up the possibility of harvesting these bacteria for the large-scale manufacturing of nanostructured materials: biodegradable, non-toxic paints could be ‘grown’ and not made, for example.

Flavobacterium is a type of bacteria that packs together in colonies that produce striking metallic colours, which come not from pigments, but from their internal structure, which reflects light at certain wavelengths. Scientists are still puzzled as to how these intricate structures are genetically engineered by nature, however.

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Feb 19, 2018

Human beings could achieve immortality by 2050

Posted by in categories: bioengineering, genetics, life extension, robotics/AI

Dr Ian Pearson, a leading futurologist from Ipswich, claims that if people can survive until 2050 they could live forever thanks to advances in AI, android bodies and genetic engineering.

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Feb 18, 2018

Breakthrough as scientists grow sheep embryos containing human cells

Posted by in categories: biotech/medical, genetics

Advance brings us closer to growing transplant organs inside animals or being able to genetically tailor compatible organs, say researchers.

in Austin.

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Feb 17, 2018

Boosting Bone Healing Using a Key Protein

Posted by in category: genetics

Today, we would like to highlight a recent study in which researchers show a way to selectively accelerate bone regeneration. They have achieved this by delivering Jagged-1 to injuries instead of the bone morphogenetic proteins (BMPs) that have been traditionally used.

What is jagged-1?

Jagged-1 is an osteoinductive protein that activates the Notch signaling pathway, which regulates bone healing at the site of injury. Osteoinduction is the process by which osteogenesis is induced.

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Feb 17, 2018

New CRISPR method strategically targets gene mutations to correct DMD heart defect

Posted by in categories: biotech/medical, genetics

Researchers at UT Southwestern Medical Center have developed a CRISPR technique to efficiently correct the function of heart cells in patients with Duchenne muscular dystrophy (DMD). It involves making a single cut at strategic points along patient’s DNA, with the team claiming their new approach has the potential to correct most of the 3,000 mutations that cause DMD.

Duchenne muscular dystrophy (DMD) is one of nine neuromuscular disorders that affect the strength of muscles and nerves, specifically caused by defects in the gene that makes the dystrophin protein. Typically, one in every 3,500 boys born will be diagnosed with the disease at around three to four years of age, with their ability to walk gradually decreasing until they reach young adolescence. Most patients live until their 30s, but will require a wheelchair and respirator as the muscles in vital organs deteriorate over time.

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Feb 17, 2018

Bioquark Inc. — Aging GreatFULLy Show — Ira S. Pastor

Posted by in categories: aging, bioengineering, biotech/medical, business, cosmology, cryonics, DNA, futurism, genetics, health

https://www.stitcher.com/podcast/ctr-network/aging-greatfull…e/53449222

Feb 16, 2018

First glimpse of how genes may cause mental health problems

Posted by in categories: genetics, health, neuroscience

Geneticists are starting to unpick what causes psychiatric conditions like schizophrenia and bipolar disorder, and even some autism-like developmental conditions.

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Feb 16, 2018

CRISPR Isn’t Just for Gene Editing Anymore

Posted by in categories: bioengineering, biotech/medical, genetics

A scientist cuts a DNA fragment under UV light for DNA sequencing. Image: AP Five years ago, when researchers first discovered that bacterial immune systems could be hijacked to edit DNA in living creatures, it was big news. The technology, called CRISPR, allowed scientists to more easily than ever cut and paste all those As, Cs, Ts, and Gs that make up the base pairs of DNA and encode the world’s living things. With CRISPR, scientists could use genetic engineering to tackle problems from disease to famine. But gene editing with CRISPR is so 2017. Recently, scientists have begun exploring n…

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Feb 16, 2018

Fragile X syndrome neurons can be restored, study shows

Posted by in categories: biotech/medical, genetics, neuroscience

New Whitehead Institute research may prove to be a useful paradigm for targeting diseases caused by abnormal methylation. Credit: Steven Lee/Whitehead Institute Fragile X syndrome is the most frequent cause of intellectual disability in males, affecting one out of every 3,600 boys born. The syndrome can also cause autistic traits, such as social and communication deficits, as well as attention problems and hyperactivity. Currently, there is no cure for this disorder. Fragile X syndrome is caused by mutations in the FMR1 gene on the X chromosome, which prevent the gene’s expression. This abs…

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Feb 13, 2018

Creating designer babies with CRISPR will soon be possible

Posted by in categories: bioengineering, biotech/medical, genetics, life extension

Summary: Designer babies have recently become possible, as new techniques have gained credibility from serious scientists. Here’s how they can do it. [This article first appeared on LongevityFacts. Author: Brady Hartman. ]

On Feb 8, the AHA named “Fixing a gene mutation in human embryos” as among the “top advances in heart disease and stroke research” of the past year. They joined a chorus of voices heralding this as a research breakthrough.

The announcement brought attention to the fact that US scientists have recently demonstrated the plausibility of using gene editing to make designer babies.

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