Asher Cutter
@asherdcutter.bsky.social
Evolution, Genetics/Genomes, Speciation, Sperm/Reproduction, Caenorhabditis; U. Toronto EEB Prof https://cutter.eeb.utoronto.ca
New book=Evolving Tomorrow: Genetic Engineering & Evolutionary Future of the Anthropocene https://tinyurl.com/EvolvingTomorrow
New book=Evolving Tomorrow: Genetic Engineering & Evolutionary Future of the Anthropocene https://tinyurl.com/EvolvingTomorrow
It's the home stretch teaching undergrad Evolutionary Genetics with @aneil-agrawal.bsky.social using my Primer of Mol Pop Gen text! Grateful it's free for all 67 of our students courtesy @uoftlibraries.bsky.social LMK if you use it and suggestions for improvements! global.oup.com/academic/pro...
November 25, 2025 at 7:45 PM
It's the home stretch teaching undergrad Evolutionary Genetics with @aneil-agrawal.bsky.social using my Primer of Mol Pop Gen text! Grateful it's free for all 67 of our students courtesy @uoftlibraries.bsky.social LMK if you use it and suggestions for improvements! global.oup.com/academic/pro...
Check out this nice Digest in @journal-evo.bsky.social by Pedram Samani about our EM study of sperm cell gigantism! digest = doi.org/10.1093/evol... original study = doi.org/10.1093/evol...
Digest: Subcellular reallocation and the evolution of anisogamy in nematodes
Abstract. Why has sperm gigantism evolved, and how do subcellular allocations scale with size? Schalkowski & Cutter (2025) addressed these questions wi
doi.org
November 25, 2025 at 3:02 PM
Check out this nice Digest in @journal-evo.bsky.social by Pedram Samani about our EM study of sperm cell gigantism! digest = doi.org/10.1093/evol... original study = doi.org/10.1093/evol...
Reposted by Asher Cutter
We’re so excited to welcome you all to CSEE 2026 in Toronto!
🚨CSEE 2026: Call for Symposium & Workshop Proposals!
Got a great idea for a session? Now's your chance to shape the CSEE 2026 program!
🗓️ Deadline: Nov 3, 2025 @ 9:00 PM
📋 Submit via: event.fourwaves.com/csee2026
Full instructions + selection criteria on the site.
Got a great idea for a session? Now's your chance to shape the CSEE 2026 program!
🗓️ Deadline: Nov 3, 2025 @ 9:00 PM
📋 Submit via: event.fourwaves.com/csee2026
Full instructions + selection criteria on the site.
2026 Annual Conference of the Canadian Society for Ecology and Evolution
Fourwaves - 2026 Annual Conference of the Canadian Society for Ecology and Evolution
event.fourwaves.com
October 11, 2025 at 3:26 PM
We’re so excited to welcome you all to CSEE 2026 in Toronto!
Reposted by Asher Cutter
The Royal Ontario Museum @romtoronto.bsky.social is delighted to seek a new Curator of Birds. With more than 200,000 specimens, including the world’s largest collection of bird skeletons, ROM's bird collection is the largest in Canada and one of the world's largest.
Curator of Birds - Royal Ontario Museum - Career Page
Apply to Curator of Birds at Royal Ontario Museum in Toronto, ON, Canada.
royalontariomuseum.applytojob.com
October 9, 2025 at 6:36 PM
The Royal Ontario Museum @romtoronto.bsky.social is delighted to seek a new Curator of Birds. With more than 200,000 specimens, including the world’s largest collection of bird skeletons, ROM's bird collection is the largest in Canada and one of the world's largest.
Reposted by Asher Cutter
The Royal Ontario Museum @romtoronto.bsky.social is delighted to seek a new Curator of Plants. With more than 1.1 million specimens, including the largest, most representative collection of Ontario flora available, ROM's plant collection is world-class and global in scope.
Curator of Plants & Sustainability - Royal Ontario Museum - Career Page
Apply to Curator of Plants & Sustainability at Royal Ontario Museum in Toronto, ON, Canada.
royalontariomuseum.applytojob.com
October 9, 2025 at 6:38 PM
The Royal Ontario Museum @romtoronto.bsky.social is delighted to seek a new Curator of Plants. With more than 1.1 million specimens, including the largest, most representative collection of Ontario flora available, ROM's plant collection is world-class and global in scope.
Reposted by Asher Cutter
Ever wondered what happens to the trash floating in the @toronto.ca's waterways? We joined the U of T Trash Team at the Harbourfront to see how their trash trapping program keeps plastic out of Lake Ontario. Watch to see how they’re making a difference at #UofT & across the city.
U of T News Now | U of T Trash Team
YouTube video by University of Toronto
youtube.com
October 9, 2025 at 4:23 PM
Ever wondered what happens to the trash floating in the @toronto.ca's waterways? We joined the U of T Trash Team at the Harbourfront to see how their trash trapping program keeps plastic out of Lake Ontario. Watch to see how they’re making a difference at #UofT & across the city.
Reposted by Asher Cutter
Toronto's ROM is hiring 2 new curators! Botany & Ornithology. Come be part of the Toronto EEB community, with cross-appt in my dept at UofT @romtoronto.bsky.social
royalontariomuseum.applytojob.com/apply/XBR2Yc...
royalontariomuseum.applytojob.com/apply/Sf2iAO...
royalontariomuseum.applytojob.com/apply/XBR2Yc...
royalontariomuseum.applytojob.com/apply/Sf2iAO...
Curator of Birds - Royal Ontario Museum - Career Page
Apply to Curator of Birds at Royal Ontario Museum in Toronto, ON, Canada.
royalontariomuseum.applytojob.com
October 9, 2025 at 5:26 PM
Toronto's ROM is hiring 2 new curators! Botany & Ornithology. Come be part of the Toronto EEB community, with cross-appt in my dept at UofT @romtoronto.bsky.social
royalontariomuseum.applytojob.com/apply/XBR2Yc...
royalontariomuseum.applytojob.com/apply/Sf2iAO...
royalontariomuseum.applytojob.com/apply/XBR2Yc...
royalontariomuseum.applytojob.com/apply/Sf2iAO...
Atta grrls www.btpm.org/2025-09-08/l...
Local Music Spotlight: Bebe and Oona
Chelsea O chatted with Toronto’s Bebe and Oona about what it’s like playing in a band with your sibling, the all ages music scene in Southern Ontario, collaboration across artistic mediums, and more.
www.btpm.org
September 13, 2025 at 5:49 PM
Atta grrls www.btpm.org/2025-09-08/l...
Exciting new #speciation + #phylogenetics dating work now out @plos.org by PhD students Daniel Fusca & Maia Dall'Acqua! #celegans doi.org/10.1371/jour...
Phylogenomic timetree-calibrated speciation clocks for Caenorhabditis nematodes reveal slow but disproportionate accumulation of post-zygotic reproductive isolation
Author summary As separate populations evolve into distinct species, they accumulate genetic changes that record the duration of their separation and that can contribute to reproductive incompatibilit...
doi.org
September 11, 2025 at 8:15 PM
Exciting new #speciation + #phylogenetics dating work now out @plos.org by PhD students Daniel Fusca & Maia Dall'Acqua! #celegans doi.org/10.1371/jour...
Reposted by Asher Cutter
Quasi epigenetic equilibrium: the implications of plasticity and variability on evolution and extinction https://www.biorxiv.org/content/10.1101/2025.08.27.672696v1
September 1, 2025 at 7:32 PM
Quasi epigenetic equilibrium: the implications of plasticity and variability on evolution and extinction https://www.biorxiv.org/content/10.1101/2025.08.27.672696v1
Reposted by Asher Cutter
Now published @natecoevo.nature.com with @annika-nichols.bsky.social, our latest on the evolution of 𝘴𝘭𝘦𝘦𝘱 across 𝟲𝟬 𝘀𝗽𝗲𝗰𝗶𝗲𝘀 of cichlid fishes! doi.org/10.1038/s415...
with members of the @schierlab.bsky.social and Salzburger labs, as well as the burgeoning Shafer lab @uoftcellsysbiol.bsky.social
with members of the @schierlab.bsky.social and Salzburger labs, as well as the burgeoning Shafer lab @uoftcellsysbiol.bsky.social
August 28, 2025 at 2:18 PM
Now published @natecoevo.nature.com with @annika-nichols.bsky.social, our latest on the evolution of 𝘴𝘭𝘦𝘦𝘱 across 𝟲𝟬 𝘀𝗽𝗲𝗰𝗶𝗲𝘀 of cichlid fishes! doi.org/10.1038/s415...
with members of the @schierlab.bsky.social and Salzburger labs, as well as the burgeoning Shafer lab @uoftcellsysbiol.bsky.social
with members of the @schierlab.bsky.social and Salzburger labs, as well as the burgeoning Shafer lab @uoftcellsysbiol.bsky.social
Cool new comparative analysis of giant worm sperm cells using electron microscopy, by recent PhD Rebecca Schalkowski! Evolution advance access @journal-evo.bsky.social #celegans #ecoevo doi.org/10.1093/evol...
Validate User
doi.org
August 29, 2025 at 6:46 PM
Cool new comparative analysis of giant worm sperm cells using electron microscopy, by recent PhD Rebecca Schalkowski! Evolution advance access @journal-evo.bsky.social #celegans #ecoevo doi.org/10.1093/evol...
Reposted by Asher Cutter
Less than 3 weeks left to submit your proposals for the GREG Rosemary Grant Advanced Awards, which provide up to $3500 for 3rd-year and above PhD students. Full instructions, evaluation criteria, and FAQs on our website: www.evolutionsociety.org/content/soci...
Deadline September 15!
Deadline September 15!
August 29, 2025 at 12:22 PM
Less than 3 weeks left to submit your proposals for the GREG Rosemary Grant Advanced Awards, which provide up to $3500 for 3rd-year and above PhD students. Full instructions, evaluation criteria, and FAQs on our website: www.evolutionsociety.org/content/soci...
Deadline September 15!
Deadline September 15!
Reposted by Asher Cutter
Please share broadly: I am looking for a postdoctoral fellow to work on a collaborative project on the temporal population genomics of invasive Capeweed (using contemporary and herbarium genomics), with @shaky-dingo.bsky.social and colleagues
August 27, 2025 at 12:09 PM
Please share broadly: I am looking for a postdoctoral fellow to work on a collaborative project on the temporal population genomics of invasive Capeweed (using contemporary and herbarium genomics), with @shaky-dingo.bsky.social and colleagues
Ethics of gene drives in humans if we go down the path of heritable genome editing? Now in print jme.bmj.com/cgi/content/...
Guerrilla eugenics: gene drives in heritable human genome editing
CRISPR-Cas9 genome editing can and has altered human genomes, bringing bioethical debates about this capability to the forefront of philosophical and policy considerations. Here, I consider the undere...
jme.bmj.com
August 20, 2025 at 1:30 PM
Ethics of gene drives in humans if we go down the path of heritable genome editing? Now in print jme.bmj.com/cgi/content/...
Reposted by Asher Cutter
The University of Calgary seeks a tenure-track Assistant Professor in Freshwater Ecology, starting 2026. Candidates must have a PhD and focus on research and teaching-related aquatic ecology. Apply by Sept 5, 2025. More info: https://ucalgary.ca. #job
Top Degree Programs and Research in Canada
Transform your inspiration into impact!
ucalgary.ca
August 12, 2025 at 1:31 AM
The University of Calgary seeks a tenure-track Assistant Professor in Freshwater Ecology, starting 2026. Candidates must have a PhD and focus on research and teaching-related aquatic ecology. Apply by Sept 5, 2025. More info: https://ucalgary.ca. #job
Reposted by Asher Cutter
Our paper showing that variation in transcription factor binding sites underlies the majority of additive genetic variance for phenotypic variation in maize is finally out!
Sadly they didn't use our suggested cover image below (made by the inimitable Andi Kur).
www.nature.com/articles/s41...
Sadly they didn't use our suggested cover image below (made by the inimitable Andi Kur).
www.nature.com/articles/s41...
August 11, 2025 at 2:29 PM
Our paper showing that variation in transcription factor binding sites underlies the majority of additive genetic variance for phenotypic variation in maize is finally out!
Sadly they didn't use our suggested cover image below (made by the inimitable Andi Kur).
www.nature.com/articles/s41...
Sadly they didn't use our suggested cover image below (made by the inimitable Andi Kur).
www.nature.com/articles/s41...
Reposted by Asher Cutter
#Viewpoint: Measuring #NaturalSelection on the transcriptome
John R. Stinchcombe & John K. Kelly 👇
📖 nph.onlinelibrary.wiley.com/doi/full/10....
#LatestIssue
John R. Stinchcombe & John K. Kelly 👇
📖 nph.onlinelibrary.wiley.com/doi/full/10....
#LatestIssue
August 8, 2025 at 12:01 PM
#Viewpoint: Measuring #NaturalSelection on the transcriptome
John R. Stinchcombe & John K. Kelly 👇
📖 nph.onlinelibrary.wiley.com/doi/full/10....
#LatestIssue
John R. Stinchcombe & John K. Kelly 👇
📖 nph.onlinelibrary.wiley.com/doi/full/10....
#LatestIssue
Looking for an end-of-summer good read? My book Evolving Tomorrow is 50% off at Amazon right now www.amazon.com/Evolving-Tom... Packed with cool organisms and cool science, and even tariff-free Canadian content!
August 7, 2025 at 3:44 PM
Looking for an end-of-summer good read? My book Evolving Tomorrow is 50% off at Amazon right now www.amazon.com/Evolving-Tom... Packed with cool organisms and cool science, and even tariff-free Canadian content!
Reposted by Asher Cutter
Job Alert! 🚨 The Department of Biology at UTM @utmbiology.bsky.social is currently recruiting for an Assistant Professor, Molecular Genetics
jobs.utoronto.ca/job/Mississa...
jobs.utoronto.ca/job/Mississa...
Assistant Professor - Molecular Genetics
Assistant Professor - Molecular Genetics
jobs.utoronto.ca
August 5, 2025 at 8:30 PM
Job Alert! 🚨 The Department of Biology at UTM @utmbiology.bsky.social is currently recruiting for an Assistant Professor, Molecular Genetics
jobs.utoronto.ca/job/Mississa...
jobs.utoronto.ca/job/Mississa...
Reposted by Asher Cutter
Interested to know more about a new theory relating the #evolution of #sexchromosomes to the rules of #speciation? Check out this paper that we published with Denis Roze in the last issue of #Science. PDF here: www.science.org/stoken/autho...
A single theory for the evolution of sex chromosomes and the two rules of speciation
Sex chromosomes are involved in three major empirical patterns: (i) Y (or W) chromosomes are often nonrecombining and degenerate; (ii) heterogametic offspring (XY or ZW) from interspecific crosses are...
www.science.org
July 12, 2025 at 9:04 PM
Interested to know more about a new theory relating the #evolution of #sexchromosomes to the rules of #speciation? Check out this paper that we published with Denis Roze in the last issue of #Science. PDF here: www.science.org/stoken/autho...
Reposted by Asher Cutter
After 10 years of work, a complete telomere-to-telomere gap-free genome for C. elegans finally exists: it has 106 Mb rather than the textbook 100.3 Mb, and up to 366 additional genes.
genome.cshlp.org/content/35/8...
genome.cshlp.org/content/35/8...
August 1, 2025 at 9:55 PM
After 10 years of work, a complete telomere-to-telomere gap-free genome for C. elegans finally exists: it has 106 Mb rather than the textbook 100.3 Mb, and up to 366 additional genes.
genome.cshlp.org/content/35/8...
genome.cshlp.org/content/35/8...
Reposted by Asher Cutter
My department @utoronto.ca (www.utm.utoronto.ca/biology/) is hiring a molecular biologist in any field (e.g., ecology, evolutionary biology, etc.). Please encourage any excellent finishing PhD students, postdocs or assistant professor to apply here:
jobs.utoronto.ca/job/Mississa...
jobs.utoronto.ca/job/Mississa...
www.utm.utoronto.ca
July 30, 2025 at 2:55 PM
My department @utoronto.ca (www.utm.utoronto.ca/biology/) is hiring a molecular biologist in any field (e.g., ecology, evolutionary biology, etc.). Please encourage any excellent finishing PhD students, postdocs or assistant professor to apply here:
jobs.utoronto.ca/job/Mississa...
jobs.utoronto.ca/job/Mississa...
Reposted by Asher Cutter
From rooftop greenhouses to subterranean growth chambers, plant research facilities on #UofT’s historic St. George campus are quietly undergoing a major lighting retrofit – and gaining a research boost in the process. 🌱 uoft.me/bJ3
July 22, 2025 at 2:00 PM
From rooftop greenhouses to subterranean growth chambers, plant research facilities on #UofT’s historic St. George campus are quietly undergoing a major lighting retrofit – and gaining a research boost in the process. 🌱 uoft.me/bJ3