A recent study has uncovered intriguing insights into the evolution of plant biology, effectively rewriting the history of how they evolved over the past billion years. Published in the journal Nature Plants, the research reveals that plants gradually developed their range of anatomical designs t
A new study reveals that plant evolution consists of long periods of gradual changes punctuated by brief bursts of large-scale innovations, particularly in response to environmental challenges. This challenges the previously held notion that plants evolved with a sudden change early in their history, similar to animals.A recent study has uncovered intriguing insights into the evolution of plant biology, effectively rewriting the history of how they evolved over the past billion years.
“We wanted to test whether they really evolved with a big bang early on in their history or whether their evolution was a slower and more continual process. Surprisingly, the results revealed plant evolution was a bit of a mix, with long periods of gradual change interrupted by short bursts of large-scale innovation, overcoming the challenges of living on dry land.”
Co-lead author Dr James Clark, Research Associate in Biological Sciences at the University of Bristol, said: “We found changes in plant anatomical design occur in association with events in which the entire cellular genetic make-up was doubled. This has happened many times in plant evolutionary history, as a result of errors in the genome-copying process, creating duplicate copies of genes that are free to mutate and evolve new functions.
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