Coventry University Featured PhD Programmes
University of Southampton Featured PhD Programmes
University of Dundee Featured PhD Programmes
Norwich Research Park Featured PhD Programmes
Cardiff University Featured PhD Programmes

An ancient transcription factor controlling cuticle development and water transport in the liverwort Marchantia polymorpha

  • Full or part time
    Dr W J Goodrich
    Dr Catherine Kidner
  • Application Deadline
    Sunday, January 05, 2020
  • Competition Funded PhD Project (Students Worldwide)
    Competition Funded PhD Project (Students Worldwide)

Project Description

We identified a basic helix loop helix transcription factor (called ZOU) which is specifically expressed in the endosperm of seed in flowering plants. ZOU controls the breakdown and death of the endosperm, allowing the embryo to grow and fill the seed. ZOU also regulates a signalling pathway that monitors the integrity of the embryonic cuticle. To our surprise, we found that the ZOU gene is conserved in all land plants, even ones that lack seed or endosperm. To find out the role of ZOU in early diverging land plants, we have used the liverwort Marchantia polymorpha, an emerging model for comparative evolutionary and developmental studies. By inactivating ZOU using genome editing we found that it controls cuticle integrity in liverworts as well, but also the development of a novel cell type called pegged rhizoids. Pegged rhizoids function in water transport and like xylem have secondary thickening and undergo programmed cell death. Using transcriptional profiling we have identified the genes that are regulated by ZOU during pegged rhizoid formation, these include genes likely involved in programmed cell death and cell wall modification. The aim of this project is to determine the role of the targets, for example by characterizing their expression pattern, inactivating them, and mis-expressing them to test the effects on rhizoid development. The student would get training in current techniques in plant genetic modification and analysis as well as cell biology. In addition, the student would interact with leading laboratories in UK and Europe by virtue of collaborations existing in my group.

Web: http://goodrich.bio.ed.ac.uk/

Funding Notes

The “Visit Website” button on this page will take you to our Online Application checklist. Please complete each step and download the checklist which will provide a list of funding options and guide you through the application process.

If you would like us to consider you for one of our scholarships you must apply by 5 January 2020 at the latest.

References

Fourquin, C., Beauzamy, L., Chamot, S., Creff, A., Goodrich, J., Boudaoud, A. and Ingram, G. (2016) 'Mechanical stress mediated by both endosperm softening and embryo growth underlies endosperm elimination in Arabidopsis seeds', Development 143: 3300-5.

Yang, S., Johnston, N., Talideh, E., Mitchell, S., Jeffree, C., Goodrich, J.,* and G. Ingram* (2008). The endosperm-specific ZHOUPI gene of Arabidopsis thaliana regulates endosperm breakdown and embryonic epidermal development. Development, 135: 3501:3509

Shimamura M. 2016. Marchantia polymorpha: Taxonomy, Phylogeny and Morphology of a Model System. Plant & cell physiology 57: 230-256.

How good is research at University of Edinburgh in Biological Sciences?

FTE Category A staff submitted: 109.70

Research output data provided by the Research Excellence Framework (REF)

Click here to see the results for all UK universities


FindAPhD. Copyright 2005-2019
All rights reserved.