Faculty of Biology, Medicine and Health

The University of Manchester

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  Defining the protective effects of a commensal bacterial strain in skin barrier function and protection from disease

  Prof Sheena Cruickshank, Prof Andrew McBain, Dr Richard Unwin  Applications accepted all year round  Self-Funded PhD Students Only

About the Project

Maintaining a healthy skin barrier is vital for our health. In response to skin wounding, we have a well-orchestrated immune response that heals the breach. Delays in wound healing cause non-healing wounds such as diabetic, venous and pressure ulcers which affect one in 50 people, imposing a substantial burden on global Health Services and leading to significant patient morbidity and mortality. Other common conditions such as atopic dermatitis and psoriasis are also associated with alterations in skin barrier function.

Critical for good barrier function are the cells in the outermost layer of the skin, the keratinocytes. How these keratinocytes interact with the external environment and our microbiome as well as the other cells in the skin is critical. Our previous work indicates that changes in the populations of bacteria within skin tissue niches are associated with inflammation and delayed wound healing. Specifically, we have defined bacterial populations within the normal dermal microbiota that, independent of infection, are associated with skin healing or delayed healing and excessive inflammation. 

Notably, we have defined bacterial strains that may be beneficial for barrier functions. This project will explore these bacteria/host interactions in the context of healthy skin and skin conditions including wound healing, atopic dermatitis, and psoriasis  to define the mode of action and the bacterial active products that support barrier function.

Key words: microbiome, host/microbiota crosstalk, skin, wound healing, psoriasis, atopic dermatitis

Entry Requirements

Candidates are expected to hold (or be about to obtain) a minimum upper second class honours degree (or equivalent) in a related area / subject.  Candidates with experience in microbiology and/or immunology are encouraged to apply. 

How to Apply

For information on how to apply for this project, please visit the Faculty of Biology, Medicine and Health Doctoral Academy website (https://www.bmh.manchester.ac.uk/study/research/apply/). Informal enquiries may be made directly to the primary supervisor. On the online application form select PhD Microbiology.

For international students, we also offer a unique 4 year PhD programme that gives you the opportunity to undertake an accredited Teaching Certificate whilst carrying out an independent research project across a range of biological, medical and health sciences. For more information please visit www.internationalphd.manchester.ac.uk 

Equality, Diversity & Inclusion

Equality, diversity and inclusion is fundamental to the success of The University of Manchester, and is at the heart of all of our activities. The full Equality, diversity and inclusion statement can be found on the website https://www.bmh.manchester.ac.uk/study/research/apply/equality-diversity-inclusion/

Biological Sciences (4)

Funding Notes

Candidates are expected to hold (or be about to obtain) a minimum upper second class honours degree (or equivalent) in a related area / subject. Candidates with experience in microbiology and/or immunology are encouraged to apply.
Applications are invited from self-funded students. This project has a Band 2 fee. Details of our different fee bands can be found on our website https://www.bmh.manchester.ac.uk/study/research/fees/

References

Crompton et al. 2022 Journal of investigative dermatology 142 (4) http://dx.doi.org/10.1016/j.jid.2021.09.009
Williams et al. 2018 Journal of investigative dermatology 10.1016/j.jid.2018.04.014
Willmott T, et al. 2023 Hypertension. 2023 Sep 13. doi: 10.1161/HYPERTENSIONAHA.123.21263.

Where will I study?

Faculty of Biology, Medicine and Health

Tackle real world challenges, make a difference, and elevate your career with postgraduate research in the Faculty of Biology, Medicine and Health at Manchester. From biochemistry to neuroscience, cancer sciences to medicine, audiology to mental health and everything in between, we offer a wide range of postgraduate research projects, programmes and funding which will allow you to immerse yourself in an area of research you’re passionate about.

Why study at Faculty of Biology, Medicine and Health?

Ranked the best place to live in the UK (The Economist Global Liveability Index, 2022), Manchester boasts world-class culture, iconic sports, a thriving music and food scene, and much more. It's not just a place to research, it's a place to call home.

Experience PhD life as part of a diverse postgraduate research community of more than 1,000 postgraduate researchers at the 29th most international university in the world (Times Higher Education, 2023).

With 93% of research activity at the University rated as 'world-leading' or 'internationally excellent' (Research Excellence Framework, 2021), you'll get the chance to have an impact on global health and science challenges.

1000+

postgraduate students

121

PhDs

6

ranked in UK - QS (2025)

Manchester  United Kingdom

main campus

About Faculty of Biology, Medicine and Health

At Manchester, postgraduate researchers are at the heart of our mission to tackle pressing global challenges in biological, medical and healthcare sciences - and you could be too.

By choosing Manchester for your postgraduate research, you’ll be joining a university with an exceptional research reputation, where 93% of research is world-leading or internationally excellent (REF, 2021) and where your work will have real-world impact.

You’ll research in world-class facilities alongside leading experts at the forefront of innovation, collaborating across disciplines to pioneer new treatments, advance scientific knowledge, and improve healthcare globally.

Supported by our dedicated Doctoral Academy and strong industry links, you'll experience PhD life in a vibrant, welcoming and diverse postgraduate research community.

And you’ll leave with the specialist knowledge, research experience and transferable skills that will shape your future in academia, research or industry.


Main campus

The University of Manchester

Manchester

North West

United Kingdom

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