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Genetics

Overlooked life on seabed gorges on fish faeces

Bacteria are not the only organisms that feed on dead plankton and fish faeces. The so-called ‘archaea’ also play an important – and hitherto overlooked – role in carbon cycling in the seabed.

Special genes suspected to cause lethal overdose in drug addicts

Forensic scientists investigate genes from dead and living drug addicts on suspicion of link between overdose risk and minor variations in the genes.

MRSA: scientists on trail of antibiotic resistance

Whole genome sequencing allows researchers to monitor how resistant bacteria travel from humans to humans, animals to humans and from humans to animals.

Three in four chimpanzee species live in European zoos

Danish researchers have found three out of the four existing subspecies of chimpanzees in the European zoo population. The chimpanzees can be used to consolidate existing breeding programmes and launch new ones.

Slim and healthy people also get type 2 diabetes

Researchers have found a way of dividing type 2 diabetes patients into subgroups. Surprisingly, only one in four patients goes through what is considered the most common course of the disease.

Miscarriages increase risk of serious blood clots

Suffering a miscarriage or a stillbirth increases a woman’s risk of clogged arteries around her heart, brain or kidney, says new study. But there’s no cause for panic, says researcher.

Common cold can trigger asthma

If a child’s body contains certain genetic variants, a common cold is enough to trigger asthma, new study reveals.

Ancient horse DNA can help us understand evolution

Researchers are using ancient horse DNA to study how humans and the environment affect an animal species, genetically and in terms of appearance.

Huge study finds 60 genetic causes of cancer

More than 60 parts of the genome can increase a person’s risk of cancer of the breast, prostate and ovaries, according to the largest ever genetic study.

Gene defect causes type 1 diabetes

A defect in a certain gene can cause diabetes. This discovery could lead to new and improved treatment for type 1 diabetes patients.