Life Science Institute, Zhejiang University, China & Department of Molecular Evolution and Development, University of Vienna, Austria
Qi Zhou is a evolutionary genomicist who use birds and Drosophila as model to study genomic and epigenomic evolution of sex chromosomes. He is currently an assistant professor in Zhejiang University, China and also an European Research Council Startup grant awardee at University of Vienna, Austria.
Sex chromosomes are derived from a pair of ordinary autosomes, and are on separate evolutionary trajectories due to a lack of homologous recombination in between. They are transmitted in a sex-biased or sex-specific manner, thus are battleground for sexual antagonistic selection. Their imbalance of gene expression is a result of massive gene loss on Y or W chromosome, and drives the evolution of dosage compensation, which is currently a hotspot in the fields of non-coding RNAs and epigenomics. These unique features distinct them from autosomes and set them as a paradigm for us to understand the importance and consequences of homologous recombination, sexual selection and mechanisms of epigenomic evolution. I will discuss what we have learned so far from my studies on sex chromosomes of Drosophila and birds, and hope to spark some of your interests and insights into this classic field of evolution.
Host: Alexander Suh (firstname.lastname@example.org)
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