Genetics

Found results: 1435

Genetics

Barcode from snips

The single-nucleotide DNA polymorphisms that make us unique can be used to identify cells.

26.04.2018
Genetics

Inheritance of acquired traits

Studies have shown that epigenetic changes can transmit even the ability to learn to descendants.

25.04.2018
Genetics

Mysterious DNA nodes

In living cells, DNA sections resembling a four-core node were found, and not the double helix known to us all from school.

25.04.2018
Genetics

Mutations of ichthyanders

The ability of baggio divers to stay underwater for an incredibly long time was associated with adaptations in their genome and an increased size of the spleen.

20.04.2018
Genetics

The most harmful mutation

The growth of tumors can provoke mutations in RAS genes that affect the attachment of RAS proteins to cell membranes and their signaling role.

19.04.2018
Genetics

Useful garbage

Biologists have identified the role of satellite DNA, which does not encode proteins and belongs to the "junk" DNA ("dark matter" of the genome).

16.04.2018
Genetics

Controlled telomerase

Releasing the brakes on telomerase is easier than easy: you just need to put more guanine at its disposal.

06.04.2018
Genetics

"Dumb" mutations are dangerous

Even non-coding sections of DNA may be involved in the development of cancer, although it is still unclear how.

04.04.2018
Genetics

Mitochondria and the heart

mtDNA has 11 single–nucleotide mutations associated with an increased risk of atherosclerosis, and three with an increased or decreased risk of heart attack.

03.04.2018
Genetics

Genealogy of Neanderthals

For reasons still unclear, modern humans have Neanderthal genes, but no human genes have been found in the Neanderthals themselves.

02.04.2018
Genetics

Cancer skillfully disguises itself

Stomach and intestinal cells were found in the lung tumor. This mechanism of rebirth probably leads to resistance to chemotherapy.

02.04.2018
Genetics

Where did the gene come from?

The colistin resistance gene appeared in 2005 in China, and 10 years later it spread to all inhabited continents except Australia.

02.04.2018
Genetics

The danger of "non-genetic" mutations

Mutations in DNA regions that do not encode proteins, but regulate their activity, can cause neurological developmental disorders.

27.03.2018
Genetics

Is humanity involuting?

Two fundamental biological mechanisms lead to the fact that the gene pool of the human population is gradually deteriorating.

22.03.2018
Genetics

Up the stairs leading down

In 2006, the World Day of People with Down Syndrome was established at the international scientific symposium on Down Syndrome.

22.03.2018
Genetics

Progeria at the molecular level

St. Louis University researchers have identified a mechanism that causes early cell aging in children.

21.03.2018
Genetics

Denisovites and people: new data

A new method of searching for foreign DNA fragments has shown that Sapiens interbred with Denisovans at least twice.

21.03.2018
Genetics

Another cause of obesity

Disorders in the genes that control body temperature and reaction to cold can lead to the development of obesity.

14.03.2018