Head on over to Sandwalk to see Larry Moran’s superb clarification of the Onion Test, which seems to be a source of confusion for some.
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Example headline: Massive Daphnia genome leads to understanding gene-environment interactions Photo by Paul Hebert It’s a cool species, an important addition to the cadre of species whose genomes have been sequenced, it has a notably large number of genes (>30,000, according to the current annotation — rice has >40,000, by the way), and [...] I really am thinking about writing a Sokal-style paper for a physics journal to see if they’ll accept it. The Cambrian explosion triggered by critical turning point in genome size evolution Biochem Biophys Res Commun. 2010 Jan 11. [Epub ahead of print] Li DJ, Zhang S The Cambrian explosion is a grand challenge to [...] Latest in a series of wacky discussions of genome size by physicists, CLASSIFICATION OF LIFE BY THE MECHANISM OF GENOME SIZE EVOLUTION DIRSON JIAN LI, SHENGLI ZHANG We find that the global relationships among species should be of circular phylogeny, which is quite different from common sense based on phylogenetic trees. A domain [...] I will keep an updated list of posts in this series: Part One: Background Part Two: “Targeted exploration” In the first post in this series, I introduced the background topic of my research focus, namely the evolution and impacts of genome size diversity in animals. Before moving on to the specific projects that I would most like to do in the near term if I had the funds, I want to discuss [...] One of the great joys of being a scientist is that we get to spend our lives exploring the aspects of the natural world that most intrigue and excite us. However, the equally great frustration of being a researcher is that our curiosity and passion invariably outstrip the resources available for our explorations. It [...] So, what have we been up to in the lab? Ardila-Garcia, A.M. and T.R. Gregory (2009). An exploration of genome size diversity in dragonflies and damselflies (Insecta: Odonata). Journal of Zoology, in press. Smith, J.D.L. and T.R. Gregory (2009). The genome sizes of megabats (Chiroptera: Pteropodidae) are remarkably constrained. Biology Letters, in press. Smith, [...] … our paper on megabats was published online yesterday. It’s free to access at the moment. Turns out megas have even more constrained genomes than microbats. Abstract It has long been recognized that bats and birds contain less DNA in their genomes than their non-flying relatives. It has been suggested that this relates to [...] …as targets for genome sequencing in order to avoid bias in what we discover about gene regulation from sequenced genomes, because so far only small genomes have been sequenced. Such is the message reported at the HHMI based on a recent paper by Michael Eisen. I have written about the major problem of drawing [...] |
T. Ryan Gregory 
I am an evolutionary biologist specializing in genome size evolution at the University of Guelph in Canada.
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