ArticleJournal of molecular evolution2008
Evolutionary aspects of functional and pseudogene members of the phytochrome gene family in Scots pine.
Article in Journal of molecular evolution, 2008. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
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Who cites it
7 citing papers in PubMed, 17 citations in OpenAlex.
- Remarkable variation of ribosomal DNA organization and copy number in gnetophytes, a distinct lineage of gymnosperms.Annals of botany · 2019Article
- MADS goes genomic in conifers: towards determining the ancestral set of MADS-box genes in seed plants.Annals of botany · 2014Article
- Unique features of the loblolly pine (Pinus taeda L.) megagenome revealed through sequence annotation.Genetics · 2014Article
- Article
- Characterization of the genome of bald cypress.BMC genomics · 2011Article
- A white spruce gene catalog for conifer genome analyses.Plant physiology · 2011Article
- Evolutionary studies illuminate the structural-functional model of plant phytochromes.The Plant cell · 2010Review
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Authors and funding
1 author at 1 institution in 1 country.
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No grant is acknowledged in the PubMed record.
Abstract
According to the neutral theory of evolution, mutation and genetic drift are the only forces that shape unconstrained, neutral, gene evolution. Thus, pseudogenes (which often evolve neutrally) provide opportunities to obtain direct estimates of mutation rates that are not biased by selection, and gene families comprising functional and pseudogene members provide useful material for both estimating neutral mutation rates and identifying sites that appear to be under positive or negative selection pressures. Conifers could be very useful for such analyses since they have large and complex genomes. There is evidence that pseudogenes make significant contributions to the size and complexity of gene families in pines, although few studies have examined the composition and evolution of gene families in conifers. In this work, I examine the complexity and rates of mutation of the phytochrome gene family in Pinus sylvestris and show that it includes not only functional genes but also pseudogenes. As expected, the functional PHYO does not appear to have evolved neutrally, while phytochrome pseudogenes show signs of unconstrained evolution.
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