Directory

Dr Judith Irwin

Senior Scientist
Crop Genetics

The aim my research is to translate fundamental research on the control of flowering from the reference plant Arabidopsis thaliana to Brassica crop species. Flowering is a key component of plant adaptation, affecting geographical distribution and suitability for farming practices. It is highly relevant to yield, quality and environmental considerations as flowering at the appropriate time ensures best use of the available growing season, promoting sustainability and reducing the need for inputs. 

My focus is the genetic mechanism responsible for variation in vernalization response in Brassica.  Vernalization is important in agriculture, allowing the development of spring and winter sown varieties. 

The Brassicas include species with many morphological forms cultivated for use as vegetables, oils, fodder and condiments. Much of this diversity is attributable to variation in flowering time. By understanding this variation and how it is influenced by a changing climate we aim to facilitate predictive breeding of varieties to suit the UK market. 

JIC scientists remove reliance on seasonality in new line of broccoli – potentially doubling crop production

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Variation in vernalization gene could help us breed more climate resilient brassicas

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Recent Publications

Love J., Graham S., Irwin J. A., Ashton P. A., Bretangnolle F., Abbott R. J. (2016)

Self-pollination, style length development and seed set in self-compatible Asteraceae: evidence from Senecio vulgaris L.

Plant Ecology and Diversity 9 p371-379

Publisher’s version: 10.1080/17550874.2016.1244576

Hawkes E. J., Hennelley S. P., Novikova I. V., Irwin J. A., Dean C., Sanbonmatsu K. Y. (2016)

COOLAIR Antisense RNAs Form Evolutionarily Conserved Elaborate Secondary Structures

Cell Reports 16 p3087-3096

Publisher’s version: 10.1016/j.celrep.2016.08.045

Irwin J. A., Soumpourou E., Lister C., Ligthart J. D., Kennedy S., Dean C. (2016)

Nucleotide polymorphism affecting FLC expression underpins heading date variation in horticultural brassicas.

Plant Journal N/A pN/A

Publisher’s version: 10.1111/tpj.13221

Duncan S., Holm S., Questa J., Irwin J., Grant A., Dean C. (2015)

Seasonal shift in timing of vernalization as an adaptation to extreme winter.

ELife 4 p4532801

Publisher’s version: 10.7554/eLife.06620

Hundleby P. A. C., Irwin J. A. I. (2015)

Brassica oleracea and B. napus

Publisher’s version: 10.1007/978-1-4939-1695-5_23

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Judith Irwin

  • Emily Hawkes Postgraduate Student
  • Eleri Tudor Postgraduate Student
  • Alexander Calderwood Postgraduate Student

Media

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