#  Monday, October 6th, 2025: Katie Yost & Chengtao Xu 

 



    ![Yost Xu](/sites/g/files/omnuum4021/files/styles/hwp_5_4__480x385/public/2025-09/Yost_Xu.png?itok=-azPvQLv) 

 



 

####  calendar\_today Date and Time 

 **October 6, 2025** 

 01:00PM - 02:00PM EDT 

####  pin\_drop Location 

 **https://harvard.zoom.us/j/94394339529**  



 

 [ https://harvard.zoom.us/j/94394339529 arrow\_circle\_right ](https://harvard.zoom.us/j/94394339529) 

 



 

**Katie Yost** ([Weissman Lab](https://weissman.wi.mit.edu/), MIT)

[**High-resolution spatial mapping of cell state and lineage dynamics in vivo with PEtracer**](https://www.science.org/doi/10.1126/science.adx3800)

*Science (2025)*

**Chengtao Xu** ([Ke Lab](https://sites.google.com/site/kelaboratory/), Yale)

[**Conversion of IscB and Cas9 into RNA-guided RNA editors**](https://www.cell.com/cell/abstract/S0092-8674(25)00854-2)

*Cell (2025)*

**Recording:** [**https://harvard.zoom.us/rec/share/\_jxFxVO0P5u7vml1\_rnVt32m-ekRy6reY-qxgIiZISCzb-ALjcJsoCPVh5fh0477.VILCFxYKHosnwgUI**](https://harvard.zoom.us/rec/share/_jxFxVO0P5u7vml1_rnVt32m-ekRy6reY-qxgIiZISCzb-ALjcJsoCPVh5fh0477.VILCFxYKHosnwgUI)



 

 



 

 

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