Gatsby Charitable Foundation
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PhD in Engineering Plant Cell Walls Beyond the Digestive Range of a Pest’s Bacterial Symbiont Gatsby Charitable Foundation in United Kingdom
Degree Level
PhD
Field of study
Biochemistry
Funding
Competition-funded PhD studentship. Annual stipend above the BBSRC minimum level; stipend for 2027/28 is £26,212. Includes £5,500 per year for department laboratory fees and £700 for books, conferences and travel. Tuition fees are paid by the Gatsby Charitable Foundation. Up to an additional £3,000 may be claimed to help cover expenses for a six-month research placement at another university/institute in year 3 or 4.
Deadline
Nov 20, 2026
Country
United Kingdom
University
Gatsby Charitable Foundation

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About this position
PhD opportunity: Engineering plant cell walls beyond the digestive range of a pest’s bacterial symbiont.
This competition-funded PhD project focuses on plant cell wall engineering, pectin chemistry, symbiosis, entomology, microbial genomics, and molecular biology. The research asks whether modifying plant pectin so it falls outside the digestive range of a beetle’s bacterial symbiont can reduce insect feeding and protect plants.
The project combines CRISPR/Cas9 editing, targeted gene overexpression, cell wall analytical chemistry, protein biochemistry, microbial genomics, and insect experimental biology. The student will work with a diploid wild relative of sweet potato and generate a graded series of engineered lines with altered pectin methylesterification, then test how beetles with and without their symbiont respond.
Supervision is led by Dr Hassan Salem at the John Innes Centre, with a co-supervisor bringing expertise in pectin chemistry and plant cell wall engineering. The project is based in London, United Kingdom, and is part of a Gatsby Charitable Foundation-funded PhD studentship.
Funding: annual stipend above the BBSRC minimum level; 2027/28 stipend £26,212; £5,500 per year for department laboratory fees; £700 for books, conferences and travel; tuition fees covered by the Foundation; up to £3,000 extra support for a six-month placement at another university/institute in year 3 or 4.
Eligibility/fit: suitable for students who are curious, comfortable working across disciplines, and interested in plant biology, biotechnology, biochemistry, genomics, and insect–microbe interactions. Applicants should submit a CV and a short motivation letter.
Deadline: Friday, 20 November 2026.
Funding details
Competition-funded PhD studentship. Annual stipend above the BBSRC minimum level; stipend for 2027/28 is £26,212. Includes £5,500 per year for department laboratory fees and £700 for books, conferences and travel. Tuition fees are paid by the Gatsby Charitable Foundation. Up to an additional £3,000 may be claimed to help cover expenses for a six-month research placement at another university/institute in year 3 or 4.
What's required
Applicants should be curious and comfortable working across disciplines. The project is suited to students interested in plant genetic engineering, cell wall analytical chemistry, protein biochemistry, microbial genomics, and insect experimental biology. A CV and a short motivation letter are requested, explaining interest in the project, relevant background, and suitability for PhD study.
How to apply
Get in touch with the supervisory team before the deadline via FindAPhD or by email to discuss the project and your suitability. Submit an application including a CV and a short motivation letter.
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