Aging and longevity in the simplest animals and the quest for immortality.

  title={Aging and longevity in the simplest animals and the quest for immortality.},
  author={Ronald S. Petralia and Mark P. Mattson and Pamela J Yao},
  journal={Ageing research reviews},
Here we review the examples of great longevity and potential immortality in the earliest animal types and contrast and compare these to humans and other higher animals. We start by discussing aging in single-celled organisms such as yeast and ciliates, and the idea of the immortal cell clone. Then we describe how these cell clones could become organized into colonies of different cell types that lead to multicellular animal life. We survey aging and longevity in all of the basal metazoan groups… CONTINUE READING
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