PhD Studentship: The Cycling of Climate-active Sulfur Compounds by Major Crops
University of East Anglia
Scientific background: Dimethylsulfoniopropionate (DMSP) is known as a marine anti-stress compound made by algae and bacteria. It has key roles in global nutrient and sulfur cycling, signalling, and microbial DMSP catabolism releases climate-active gases (CAG), notably dimethylsulfide (DMS). However, DMSP is also produced by many terrestrial plants, including maize that is farmed to 1.22 billion metric tons annually, and is found at appreciable levels in maize rhizosphere samples. Little is known about microbial...
Scientific background: Dimethylsulfoniopropionate (DMSP) is known as a marine anti-stress compound made by algae and bacteria. It has key roles in global nutrient and sulfur cycling, signalling, and microbial DMSP catabolism releases climate-active gases (CAG), notably dimethylsulfide (DMS). However, DMSP is also produced by many terrestrial plants, including maize that is farmed to 1.22 billion metric tons annually, and is found at appreciable levels in maize rhizosphere samples. Little is known about microbial...
Opportunity details
Scientific background: Dimethylsulfoniopropionate (DMSP) is known as a marine anti-stress compound made by algae and bacteria. It has key roles in global nutrient and sulfur cycling, signalling, and microbial DMSP catabolism releases climate-active gases (CAG), notably dimethylsulfide (DMS). However, DMSP is also produced by many terrestrial plants, including maize that is farmed to 1.22 billion metric tons annually, and is found at appreciable levels in maize rhizosphere samples. Little is known about microbial DMSP catabolism in terrestrial plant settings and key questions remain unanswered, e.g., what microbes degrade plant-made DMSP, which pathways do they use and what is their impact on CAG production? Research methodology: This multidisciplinary PhD will address these unknowns by working on maize cropped in East Anglia. The student will conduct a seasonal field study of DMSP production and cycling on maize plantations. DMSP production, accumulation, microbial catabolism and CAG flux will be investigated at the process (using e.g., gas and liquid chromatography with mass spectroscopy) and molecular (using e.g., RT-qPCR) levels in/from plant tissue and soils –to explore their environmental significance. To complement this process-led work, the PhD will conduct culture-dependent (isolation and characterisation of model organisms) and -independent microbiology (e.g., DNA-stable isotope probing) to identify microbes importing and catabolising DMSP as a nutrient in maize samples, their biodiversity, the pathways used, the CAG liberated and how environmental changes impact these. Finally, they will be encouraged to develop the project to their interests, e.g., to investigate plant growth promoting effects of microbial isolates or novel DMSP cycling genes Training: You...
Eligibility
You require a background in micro/biology and a minimum of a 2:1 Bachelor degree. Successful candidates who meet UKRI’s eligibility criteria will be awarded a fully-funded studentship, which covers fees, maintenance stipend (£21,805 p.a. A limited number of studentships are available for international applicants, with the difference between 'home' and 'international' fees being waived by the registering university.
Requirements
You require a background in micro/biology and a minimum of a 2:1 Bachelor degree. Successful candidates who meet UKRI’s eligibility criteria will be awarded a fully-funded studentship, which covers fees, maintenance stipend (£21,805 p.a. A limited number of studentships are available for international applicants, with the difference between 'home' and 'international' fees being waived by the registering university.
Funding and benefits
Funding eligibility: UK Students, EU Students, International Students. Funding amount: £21,805 p.a.. ARIES studentships are subject to UKRI terms and conditions. Successful candidates who meet UKRI’s eligibility criteria will be awarded a fully-funded studentship, which covers fees, maintenance stipend (£21,805 p.a. for 2026/27) and a research training and support grant (RTSG). A limited number of studentships are available for international applicants, with the difference between 'home' and 'international' fees being waived by the registering university. Please note, however, that ARIES funding does not cover additional costs associated with relocation to, and living in, the UK, such as visa costs or the health surcharge. For further information please click on the 'Apply' button above. Closing Date: 23:59 on 16 December 2026
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Closing Date: 23:59 on 16 December 2026
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Benefits
Funding eligibility: UK Students, EU Students, International Students. Funding amount: £21,805 p.a.. ARIES studentships are subject to UKRI terms and conditions. Successful candidates who meet UKRI’s eligibility criteria will be awarded a fully-funded studentship, which covers fees, maintenance stipend (£21,805 p.a. for 2026/27) and a research training and support grant (RTSG). A limited number of studentships are available for international applicants, with the difference between 'home' and 'international' fees being waived by the registering university. Please note, however, that ARIES funding does not cover additional costs associated with relocation to, and living in, the UK, such as visa costs or the health surcharge. For further information please click on the 'Apply' button above. Closing Date: 23:59 on 16 December 2026
Eligibility summary
You require a background in micro/biology and a minimum of a 2:1 Bachelor degree. Successful candidates who meet UKRI’s eligibility criteria will be awarded a fully-funded studentship, which covers fees, maintenance stipend (£21,805 p.a. A limited number of studentships are available for international applicants, with the difference between 'home' and 'international' fees being waived by the registering university.
Requirements
You require a background in micro/biology and a minimum of a 2:1 Bachelor degree. Successful candidates who meet UKRI’s eligibility criteria will be awarded a fully-funded studentship, which covers fees, maintenance stipend (£21,805 p.a. A limited number of studentships are available for international applicants, with the difference between 'home' and 'international' fees being waived by the registering university.
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