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Category: genetics – Page 58

Researchers 3D print high-performance, sustainable thermoelectric materials

A recent study published in Science by a Belgian research team investigates how genetic switches that regulate gene activity define brain cell types across different species.

A species is a group of living organisms that share a set of common characteristics and are able to breed and produce fertile offspring. The concept of a species is important in biology as it is used to classify and organize the diversity of life. There are different ways to define a species, but the most widely accepted one is the biological species concept, which defines a species as a group of organisms that can interbreed and produce viable offspring in nature. This definition is widely used in evolutionary biology and ecology to identify and classify living organisms.

Generative AI tool marks a milestone in biology

Imagine being able to speed up evolution – hypothetically – to learn which genes might have a harmful or beneficial effect on human health. Imagine, further, being able to rapidly generate new genetic sequences that could help cure disease or solve environmental challenges.

Now, scientists have developed a generative AI tool that can predict the form and function of proteins coded in the DNA of all domains of life, identify molecules that could be useful for bioengineering and medicine, and allow labs to run dozens of other standard experiments with a virtual query – in minutes or hours instead of years (or millennia).

Trained on a dataset that includes all known living species – and a few extinct ones – Evo 2 can predict the form and function of proteins in the DNA of all domains of life.

Your Next Pet Could Be a Glowing Rabbit

Humans have been selectively breeding cats and dogs for thousands of years to make more desirable pets. A new startup called the Los Angeles Project aims to speed up that process with genetic engineering to make glow-in-the-dark rabbits, hypoallergenic cats and dogs, and possibly, one day, actual unicorns.

The Los Angeles Project is the brainchild of biohacker Josie Zayner, who in 2017 publicly injected herself with the gene-editing tool Crispr during a conference in San Francisco and livestreamed it. “I want to help humans genetically modify themselves,” she said at the time. She’s also given herself a fecal transplant and a DIY Covid vaccine and is the founder and CEO of The Odin, a company that sells home genetic-engineering kits.

Now, Zayner wants to create the next generation of pets. “I think, as a human species, it’s kind of our moral prerogative to level up animals,” she says.

19y Younger Biological Age (Blood Test #1 In 2025)

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Stress could affect the development of the fetal brain

Disruptions in brain development are linked to higher risks of brain and mental illnesses. While genetics are known to play a role, environmental factors at the molecular and cellular levels have been less studied.

The international team of researchers from Karolinska Institutet, the Max Planck Institute of Psychiatry, and Helmholtz Munich aimed to understand how glucocorticoids — hormones involved in the body’s stress response and crucial for normal fetal development — affect brain development when overexposed.

The findings reveal that fetuses are more vulnerable to external influences like stress than previously thought. This stress can impact fetal brain development.

NanoCas, a smaller version of CRISPR tested with a single AAV, delivers on-target results

Mammoth Biosciences researchers have developed NanoCas, an ultracompact CRISPR nuclease, demonstrating its ability to perform gene editing in non-liver tissues, including skeletal muscle, using a single adeno-associated virus (AAV) vector. Experiments in non-human primates (NHPs) resulted in editing efficiencies exceeding 30% in muscle tissues.

CRISPR gene editing has revolutionized genetics, but delivery challenges have restricted its clinical applications primarily to ex vivo and liver-directed therapies. Conventional CRISPR nucleases, including Cas9 and Cas12a, exceed the packaging limits of a single AAV vector, necessitating dual-AAV strategies that reduce efficiency.

Smaller CRISPR systems such as Cas12i and CasX have been identified, but they remain too large or exhibit low editing efficiency. Existing compact systems like Cas14 and IscB have not demonstrated robust efficacy in large animal models.

How Good (Or Not) Is The Biological Age Calculator, PhenoAge?

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Use Code: CONQUERAGING At Checkout.

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