Posted by: Sandy Steinman | December 1, 2021

Research suggests some trees have potential for immortality

Nevada Today reports

Large, majestic trees are iconic symbols of great age among living organisms, yet published evidence suggests that trees do not die because of genetically programmed age deterioration, but rather are killed by an external agent or a disturbance event. And, they can be a record of thousands of years of environmental change, especially in Nevada.”These ancient trees are indicative of the enduring landscapes that surround us,” Franco Biondi, a professor at the University of Nevada, Reno and co-author of the paper said, “and a reminder of the value of having such long-lived organisms within them.

In their paper about tree longevity published in the August edition of New Phytologist, as a Tansley Review, they find that the “cambium,” which is the growth tissue area between the bark and the wood, appears immune to senescence, which is defined as the intrinsic age-dependent increase in mortality or deterioration in performance under the control of an internal biological clock. Theoretically then, trees could be immortal organisms, and gene expression analyses are starting to uncover the processes that maintain a balance between growth and aging processes in old trees.

Read full article at  Research suggests some trees have potential for immortality | University of Nevada, Reno


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