Scientists have created a method for measuring vertebrate life expectancy based on their DNA

Measuring the maximum life span of wild animals is a rather complicated process, since

scientists are limited to studying those individuals whothey come across. On the one hand, the life span of individual individuals may differ from the average duration for the species, on the other hand, for some animals - for example, whales, it is quite difficult to monitor for a long time.

Researchers have developed a method for determiningvertebrate life expectancy based on DNA methylation. This is a process in which methyl groups are added to a DNA molecule and change the activity of this segment without affecting the nucleic acid sequence in it.

“Using the known lifespan of 252 different species of vertebrates, we were able to accurately predict lifespan by the density of DNA methylation in 42 different genes.”

Ben Mayne, lead author of the study

Study found that durationthe life of woolly mammoths was a maximum of 60 years, while the maximum life span of a bowhead whale was a whopping 268 years. This is 57 years more than previously thought.

Earlier biologists from Stanford UniversityFor the first time in history, the heart rate of a blue whale was recorded in the wild. The results allowed us to determine how the cardiovascular system of a mammal works, which for a long time is under water without access to oxygen.