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Prof Wenying Shou
Darwin 110
University College London
Gower St
London
WC1E 6BT
Prof Wenying Shou profile picture
Appointment
  • Professor of Quantitative and Evolutionary Biology
  • Genetics, Evolution & Environment
  • Div of Biosciences
  • Faculty of Life Sciences
Biography

I graduated from Pomona College (Claremont, USA) in 1993, double majoring in mathematics and biology. I went to the California Institute of Technology (Pasadena, USA) for my MS and PhD. For my MS degree, I identified a cell cycle inhibitor in Xenopus egg extracts, and studied its biochemical activities. For my Ph.D., I examined the mitotic exit network in the budding yeast S. cerevisiae using molecular genetics and biochemistry. 


In 2001, I started my postdoctoral research, initially at the Rockefeller University and then the Memorial Sloan Kettering Cancer Research Centre (New York City, USA). I engineered a synthetic yeast cooperative community to track its evolution, and attempted mathematical modelling of community properties.


In 2007, I started my lab at the Fred Hutchinson Cancer Research Centre (Seattle, USA). With the help of talented lab members, my research style underwent a metamorphosis where mathematical modelling transitioned to become a powerful tool in my biological research.


In 2021, I moved to University College London, Department of Genetics, Evolution and Environment (GEE), Centre for Life’s Origins and Evolution (CLOE). I look forward to learning from and contributing to the rich intellectual environment at UCL.

Research Summary

We study biology using experiments and mathematical models. Experiments help constrain models, and model predictions drive new experiments. We also use mathematical models to explore a variety of alternative scenarios to discover general principles. Examples of our research interests are outlined below.

Evolution of cooperation and cheating: Cooperators pay a cost to produce public benefits, while cheaters exploit these benefits. How has cooperation evolved and been stabilised? Using an engineered yeast cooperative community, we are examining how cooperation might evolve, step-by-step, from inception. We are also investigating how community robustness (the ability of a community to survive various perturbations) might change during evolution.

Quantitatively understanding microbial community properties: Community properties, such as community robustness and community functions (biochemical activities of a community), arise from interactions between community members. A quantitative understanding of how interactions lead to community properties will allow us to manipulate community properties. Taking advantage of simplified communities with known metabolic interactions, we have been developing methodologies to quantify interactions. Quantified interactions are then used to build a mathematical model to predict community properties, and these predictions are experimentally tested. When model predictions deviated from experiments, we improved our quantification methodology and/or discovered new biology. We are currently applying this approach to quantitatively understand sulfide gas-mediated microbial interactions.    

Artificial selection of microbial communities: Multispecies microbial communities often display useful community functions such as pharmaceutical production and waste digestion. Community functions arise from species interactions, but interactions are difficult to identify. To improve a community function, one can perform artificial selection on whole communities: Many communities are repeatedly grown such that mutations may freely arise. Communities with the highest desired function are “reproduced” where each is randomly partitioned into multiple offspring communities for the next cycle. However, previous community selection efforts have often encountered difficulties. Using computer simulations, we have identified some failure modes, and predicted effective strategies. We will experimentally test these strategies using a liquid-handling robot to perform artificial selection on a variety of communities.

Causal inference from observational time series data: Although mechanistic knowledge in biology is rooted in manipulative experiments, the perturbation of living systems can encounter practical or ethical barriers. A parallel strategy is to infer causal knowledge by analysing observational time series data. For example by observing microbiome data from a patient, we would like to formulate hypotheses such as “perturbing the abundance of species X can perturb the abundance of species Y”. To increase the accuracy of causal hypotheses, we are developing statistical methods for diagnosing and overcoming limitations associated with current approaches.

Teaching Summary

I organise and teach BIOL0053 (Advanced Methods in Data Science and Quantitative Biology). I also contribute to BIOL0050 (Advanced Computational Biology).

Appointments
2021 Professor of Quantitative and Evolutionary Biology Department of Genetics, Evolution and Environment University College London, United Kingdom
2013 – 2020 Associate Member Division of Basic Sciences Fred Hutchinson Cancer Research Center, United States
2007 – 2013 Assistant Member Division of Basic Sciences Fred Hutchinson Cancer Research Center, United States
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