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Plants & Animals Mar 31, 2022

Piecing thylacine DNA back together

The DNA of extinct species is providing a window into their biology, evolution, and natural history. However, after an animal's death, its DNA invariably breaks into tiny pieces, making it difficult to computationally reconstruct.

Molecular & Computational biology Mar 3, 2022

Researchers find 'genetic baggage' accumulates in the genomes of aging mutant animals

You are probably familiar with the term that some people carry "a lot of extra baggage." Usually that term refers to that person's emotional history, but in genetics and our genomes, "extra baggage" can also describe the ...

Molecular & Computational biology Feb 24, 2022

Tail hair technology uses real-time DNA sequencing to determine age of cattle

A way to determine the age of cattle by analyzing their tail hair has been described as a "game changer" for Australia's lucrative northern cattle industry.

Archaeology Feb 23, 2022

Ancient DNA reveals surprises about how early Africans lived, traveled and interacted

A new analysis of human remains that were buried in African archaeological sites has produced the earliest DNA from the continent, telling a fascinating tale of how early humans lived, traveled and even found their significant ...

Biotechnology Feb 21, 2022

A study uncovers the 'grammar' behind human gene regulation

A research group at the University of Helsinki has discovered the logic that controls gene regulation in human cells. In the future, this new knowledge could be used for investigating cancers and other genetic diseases.

Polymers Feb 16, 2022

DNA design brings predictability to polymer gels

Scientists in Japan have made a tuneable, elastic and temperature-sensitive gel by using complementary DNA strands to connect star-shaped polymer molecules together. The gel, and the method used to develop it, could lead ...

Molecular & Computational biology Feb 3, 2022

Are scientists being fooled by bacteria?

For decades, a small group of cutting-edge medical researchers have been studying a biochemical, DNA tagging system, which switches genes on or off. Many have studied it in bacteria and now some have seen signs of it in, ...

Molecular & Computational biology Feb 3, 2022

How transcription factors find and recognize clusters of specific DNA sequences

Life starts with one cell. When an organism develops, dividing cells specialize to form the variety of tissues and organs that build up the adult body, while keeping the same genetic material—contained in our DNA. In a process ...

Biotechnology Jan 31, 2022

Scientists use 'sticky' DNA to build organized structures of gel blocks

Researchers from the Okinawa Institute of Science and Technology Graduate University (OIST) have used microscopic strands of DNA to guide the assembly of gel blocks that are visible to the naked eye.

Molecular & Computational biology Jan 27, 2022

DNA strong bonding—a long-term commitment or many brief relationships?

In an article in the Science, researchers at Uppsala University show how a DNA-binding protein can search the entire genome for its target sequence without getting held up on the way. The result contradicts our current understanding ...

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