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Increasing fitness potential of plants through chromatin landscape analysis during stress responses


Project Description

Stress responses under water scarcity are induced to enable survival and simultaneously shoot growth is reduced to limit water loss. It is therefore of paramount importance to analyze the molecular mechanisms regulating stress response and tolerance in higher plants to enhance stress-survival. The interplay between abscisic acid (ABA) and jasmonates (JAs) stress hormone signalling pathways is central to align plant growth with the environment. JAs evokes a transient growth arrest in an ambivalent, so called, READY-TO-GO state, followed by the reset of growth rate. Methyl jasmonate (MeJA) and ABA levels increase during drought stress and MeJA plays an important role in drought-induced loss of grain yield. The process of priming or hardening involves previous experience of a biotic or an abiotic stress making a plant more resistant to future exposure. Chromatin remodelling is emerging as an important factor to regulate environmental response genes. Exposure to a priming agent could modify an epigenetic mark such histone modification, enhancing responses to subsequent stress.
This project will establish the molecular mechanism by which plants memorize information on stress exposure to overcome the limits that biotic and abiotic stresses impose on agricultural production due to down-regulation of yield.
The successful candidate will learn high-throughput functional genomics, plant physiology and biochemistry and techniques of wide applicability working in a vibrant internationally competitive environment.

Please visit our BBSRC DTP webpage to obtain more information on how to apply. Applications are due no later than Tuesday, 15 January 2019. Shortlisted candidates will be notified in early February to schedule an in-person interview during the weeks of 11-22 February, 2019. Any questions about the application process should be sent to . To contact the supervisors see ‘email now’ link below

Funding Notes

The BBSRC DTP studentship award will cover the cost of institutional tuition fees for both degrees supplemented by institutional support for those in a Masters programme. The funding also provides an annual tax-free living stipend with at the standard RCUK rate with London weighting. The amount is currently at £16,777pa for the 18/19 Academic Year with incremental annaul increases according to the deflator. Additional funds are provided yearly towards the cost of research, conference attendance, and other relevant trainings.

References

1. BÖMER M, O’BRIEN JA, PÉREZ-SALAMÓ I, KRASAUSKAS K, FINCH P, BRIONES A, DAUDI A, SOUDA P, TSUI T-L, WHITELEGGE J, BOLWELL GP, DEVOTO A # (2018) COI1-dependent jasmonate signalling affects growth, metabolites production and cell wall protein composition in Arabidopsis. Annals of Botany, doi 10.1093/aob/mcy109. # corresponding author.
2. KIM J-M, KIM TO T, MATSUI A, TANOI K, KOBAYASHI N, MATSUDA F, HABU Y, OGAWA D, SAKAMOTO T, MATSUNAGA S, BASHIR K, RASHEED S, ANDO M, TAKEDA H, KAWAURA K, KUSANO M, FUKUSHIMA A, ENDO TA, KUROMORI T, ISHIDA J, MOROSAWA T, TANAKA M, TORII C, TAKEBAYASHI Y, SAKAKIBARA H, OGIHARA Y, SAITO K, SHINOZAKI K, DEVOTO A AND SEKI M (2017) Acetate-mediated novel survival strategy against drought in plants, Nature Plants, 3, 17097, doi:10.1038/nplants.2017.97.
3 NOIR S, BÖMER M, TAKAHASHI N, ISHIDA T, TJIR-LI T, BALBI V, SHANAHAN H, SUGIMOTO- SHIRASU K AND DEVOTO A# (2013) Jasmonate controls leaf growth by repressing cell proliferation and the onset of endoreduplication while maintaining a potential stand-by mode. Plant Physiology, 161 (4) 1930-1951; http://dx.doi.org/10.1104/pp.113.214908 # corresponding author.

How good is research at Royal Holloway, University of London in Biological Sciences?

FTE Category A staff submitted: 24.00

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