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Archive for the ‘genetics’ category: Page 83

Oct 14, 2023

‘Ridiculous,’ says Chinese scientist accused of being pandemic’s patient zero

Posted by in categories: biotech/medical, genetics

According to this information covid 19 sars is a chimeric virus that evolves with other genetic material which gives us clues for a proper antidote. Also it shows why it is so dangerous.


Ben Hu denies he was sick in late 2019, or that his coronavirus work led to COVID-19, and newly declassified U.S. intelligence doesn’t substantiate allegations against him.

Oct 13, 2023

Thousands of programmable DNA-cutters found in algae, snails, and other organisms

Posted by in categories: biotech/medical, genetics

I dont really care where it comes from but we need Crispr tec to be where any alteration we do want causes Zero un intended alterations any where else 100% of the time, aim for by 2030–2035 window.


A diverse set of species, from snails to algae to amoebas, make programmable DNA-cutting enzymes called Fanzors—and a new study from scientists at MIT’s McGovern Institute for Brain Research has identified thousands of them. Fanzors are RNA-guided enzymes that can be programmed to cut DNA at specific sites, much like the bacterial enzymes that power the widely used gene-editing system known as CRISPR. The newly recognized diversity of natural Fanzor enzymes, reported Sept. 27 in the journal Science Advances, gives scientists an extensive set of programmable enzymes that might be adapted into new tools for research or medicine.

“RNA-guided biology is what lets you make programmable tools that are really easy to use. So the more we can find, the better,” says McGovern Fellow Omar Abudayyeh, who led the research with McGovern Fellow Jonathan Gootenberg.

Continue reading “Thousands of programmable DNA-cutters found in algae, snails, and other organisms” »

Oct 13, 2023

So…Biocomputers Made Out of DNA Circuits May Be a Thing Now

Posted by in categories: biotech/medical, bitcoin, computing, cryptocurrencies, genetics, quantum physics

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Hello and welcome! My name is Anton and in this video, we will talk about an invention of a DNA bio computer.
Links:
https://www.nature.com/articles/s41586-023-06484-9
https://www.washington.edu/news/2016/04/07/uw-team-stores-di…perfectly/
Other videos:
https://youtu.be/x3jiY8rZAZs.
https://youtu.be/JGWbVENukKc.

#dna #biocomputer #genetics.

Continue reading “So…Biocomputers Made Out of DNA Circuits May Be a Thing Now” »

Oct 13, 2023

Mutated Gene That Causes Webbed Limbs in Humans May Have Given Bats Wings

Posted by in category: genetics

A key genetic mutation—harmful in humans—may have opened the sky to bats.

Oct 12, 2023

Biobank aims to discover new treatments for children with genetic muscle diseases

Posted by in categories: biotech/medical, genetics

An Australian first biobank will be established to improve and discover new treatments for children with genetic muscle diseases.

The National Muscle Disease Bio-databank, co-led by Murdoch Children’s Research Institute, Monash University and The Alfred, will advance research into our understanding of why children develop genetic muscle diseases.

These diseases, spanning dystrophies and myopathies, are characterised by severe muscle weakness, usually from infancy, that can impact swallowing, breathing and lead to eye problems and learning difficulties.

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Oct 12, 2023

Unlocking immortality: the science of reversing aging

Posted by in categories: biotech/medical, chemistry, genetics, life extension, nanotechnology, science

When it comes to human longevity, you might envision nanobots helping our bodies operate more efficiently. But our bodies are biological machines in their own right, evolved to handle any situation in the real world from illness to cold to hunger. Our bodies heal themselves, and they can be programmed to do so if we understood that language better.

This video talks about DNA and genes, and the epigenetic mechanisms that read that information. The epigenetic clock is one way to measure the age of cells, and this can be reversed with current technologies. We discuss experiments by David Sinclair, which made blind mice see again, and experiments by Greg Fahy, which regenerated the immune system of humans and reset their cellular age by 2 years.

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Oct 11, 2023

Divergent DNA: The Accidental Discovery That’s Shaking Genetics

Posted by in categories: biotech/medical, genetics

Scientists testing a new method of sequencing single cells have unexpectedly changed our understanding of the rules of genetics.

The genome of a protist has revealed a seemingly unique divergence in the DNA

DNA, or deoxyribonucleic acid, is a molecule composed of two long strands of nucleotides that coil around each other to form a double helix. It is the hereditary material in humans and almost all other organisms that carries genetic instructions for development, functioning, growth, and reproduction. Nearly every cell in a person’s body has the same DNA. Most DNA is located in the cell nucleus (where it is called nuclear DNA), but a small amount of DNA can also be found in the mitochondria (where it is called mitochondrial DNA or mtDNA).

Oct 11, 2023

Neanderthal DNA may shape how sensitive you are to pain, genetic analysis shows

Posted by in categories: biotech/medical, genetics

Scientists studied genetic samples from more than 7,000 people and linked three genetic variants, inherited from Neanderthals, to increased pain sensitivity.

Oct 11, 2023

Medial Septum’s Key Role in Memory Storage and Recall

Posted by in categories: genetics, neuroscience

Summary: Researchers unveil the medial septum’s pivotal role in orchestrating memory storage and recall through managing rapid brain wave cycles in the hippocampus. Employing various research methodologies, including optogenetics, the team observes how gamma oscillations, embedded in theta rhythms, facilitate seamless switching between memory encoding and retrieval.

These fast and slow gamma waves, crucial for memory functions, are dictated through two primary pathways via the medial septum, showcasing a sophisticated coordination in memory processes. This insight illuminates potential avenues for understanding and eventually addressing memory-related illnesses like dementia.

Oct 10, 2023

Is the reversal of cellular aging possible through chemical means?

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

This is a bit technical. “nucleocytoplasmic compartmentalization assay”, Yeah buddy.


Life is dependent on the preservation and storage of information. The genome and epigenome are the two central storehouses of information in eukaryotes, and although they work interdependently, they are fundamentally quite different. Genetic information is consistent across all body cells throughout the life of an individual while epigenetic information varies between cells as well as changes over time and as per environment.

Researchers have identified several hallmarks of aging such as epigenetic alterations, genomic instability, cellular senescence, telomere attrition, mitochondrial dysfunction, and others [1]. These are known to play a role in the dysfunction and deterioration of cells with age. David Sinclair and other researchers have previously indicated that loss of epigenetic information can cause changes in gene expression, leading to cellular identity loss. Previous studies in mice have also shown that cell injuries such as cell crushing and DNA double-strand breaks can promote loss of epigenetic information which can accelerate aging along with age-related diseases [2].

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