Stress-Induced Evolutionary Innovation

A Mechanism for the Origin of Cell Types

Günter P. Wagner, Eric M. Erkenbrack, Alan C Love

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

Understanding the evolutionary role of environmentally induced phenotypic variation (i.e., plasticity) is an important issue in developmental evolution. A major physiological response to environmental change is cellular stress, which is counteracted by generic stress reactions detoxifying the cell. A model, stress-induced evolutionary innovation (SIEI), whereby ancestral stress reactions and their corresponding pathways can be transformed into novel structural components of body plans, such as new cell types, is described. Previous findings suggest that the cell differentiation cascade of a cell type critical to pregnancy in humans, the decidual stromal cell, evolved from a cellular stress reaction. It is hypothesized that the stress reaction in these cells was elicited ancestrally via inflammation caused by embryo attachment. The present study proposes that SIEI is a distinct form of plasticity-based evolutionary change leading to the origin of novel structures rather than adaptive transformation of pre-existing characters.

Original languageEnglish (US)
Article number1800188
JournalBioEssays
DOIs
StatePublished - Jan 1 2019

Fingerprint

Innovation
Plasticity
Stromal Cells
Cell Differentiation
Embryonic Structures
Inflammation
Pregnancy

Keywords

  • cell type origin
  • evolutionary innovation
  • novelty
  • plasticity
  • stress response

PubMed: MeSH publication types

  • Journal Article
  • Research Support, N.I.H., Extramural
  • Research Support, Non-U.S. Gov't

Cite this

Stress-Induced Evolutionary Innovation : A Mechanism for the Origin of Cell Types. / Wagner, Günter P.; Erkenbrack, Eric M.; Love, Alan C.

In: BioEssays, 01.01.2019.

Research output: Contribution to journalArticle

Wagner, Günter P. ; Erkenbrack, Eric M. ; Love, Alan C. / Stress-Induced Evolutionary Innovation : A Mechanism for the Origin of Cell Types. In: BioEssays. 2019.
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