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Our lab studies various aspects of chromosome biology ranging from the maintenance of chromosome ends by telomerase to meiosis, hybridization and ploidy.




Lab News


November 2015 | "Human Telomerase RNA Processing and Quality Control" was published in Cell Reports.

August 2015 | Congrats to Maggie on being awarded an NCI fellowship!

June 2015 | "Minishelterins separate telomere length regulation and end protection in fission yeast" was published in Genes & Development.

April 2015 | Congratulations to Maggie on passing her comprehensive exam!

January 2015 | "Diverse mechanisms for spliceosome-mediated 3' end processing of telomerase RNA" was published in Nature Communications.

Also, congrats to Lili on successfully defending her thesis!

December 2014 | "Neaves' whiptail lizard: the first known tetraploid parthenogenetic tetrapod (Reptilia: Squamata: Teiidae)" was published in Breviora.

Carl Zimmer wrote a piece about our Breviora article for The New York Times: The Strange Tale of a New Species of Lizard

Article on parthenogenesis from BBC Earth: Spectacular Real Virgin Births

November 2014 | Peter and Aracely attended the HHMI Science Meeting in Bethesda, Maryland. Aracely presented a poster on "Oogenesis in unisexual whiptail lizards".

September 2014 | Peter and Allie attended the RiboClub annual meeting in Orford, Canada. Allie presented a poster entitled "Inhibition of splicing affects human telomerase RNA biogenesis".

Also, congrats to the new graduate, Summer!


Lab News Archive


Given the key role telomerase plays in several degenerative diseases and cancer, it is pivotal that we gain a better understanding of how the enzyme is made, recruited to chromosome ends and regulated... Read more



We are interested in the mechanisms that trigger a switch to parthenogenesis (virgin birth). In addition to providing new insights into the evolution of reproduction, we are developing a clonal vertebrate model...Read more


We are using lizards of the genus Aspidoscelis to examine the immediate and long-term consequences of hybridization and ploidy changes...Read more



We are interested in the molecular mechanism of telomere length regulation and the roles of telomeres in meiosis and regulation of gene expression...Read more