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Dr Hugo Tavares

Dr Hugo Tavares

Research Associate

Sainsbury Laboratory, University of Cambridge
47 Bateman Street

Cambridge CB2 1LR
Office Phone: +44(0)1223 761100

Biography:

I am working in Ottoline Leyser's group to help dissect the genetic basis of shoot branching in response to nitrate availability in the soil.

We are using sequenced natural accessions and mapping populations of Arabidopsis to perform association/linkage mapping with this and other traits (such as flowering time, height, seed yield). Because these Arabidopsis lines are highly inbred, they allow us to analyse the response to nitrate treatment in genetically identical individuals, providing an interesting system to study the genetic basis of plasticity more broadly. Therefore, we hope these experiments reveal loci involved in regulating shoot branching itself as well as loci that interact with the environment (GxE). Furthermore, an artificial selection experiment has been carried out under low and high nitrate conditions, using a diverse starting population of 400 lines. By looking at how this trait responds to selection, we hope to gain further insights about its heritability, and identify particular haplotype combinations that promote shoot branching under the two treatments.