Caroline Dean

Caroline Dean
Born	(1957-04-02) April 2, 1957 United Kingdom
Occupation	Plant biologist
Known for	Research on vernalisation and flowering regulation in plants

Dame Caroline Dean (born 2 April 1957) is a distinguished British plant biologist affiliated with the John Innes Centre. Her investigations concentrate on the molecular systems plants utilize to regulate seasonal flowering, with a special focus on vernalisation — the phenomenon where extended exposure to cold accelerates the onset of flowering. Dean’s findings hold considerable importance for enhancing agricultural yields and improving crop management strategies. Since 2018, she has also served on the Life Sciences jury for the Infosys Prize.

Education

Dean obtained a Bachelor of Arts degree in Biology in 1978, followed by a PhD in Biology in 1982, both awarded by the University of York.

Research and career

Supported by funding from organizations such as the Biotechnology and Biological Sciences Research Council (BBSRC), European Research Council (ERC), EU-Marie Curie, and EMBO, Dean’s research delves into gene regulation at the crossroads of chromatin structure, transcriptional control, and non-coding RNA function. Her principal objective is to elucidate how chromatin dynamics facilitate epigenetic state transitions and finely tune gene expression levels, with a particular emphasis on the floral repressor gene Flowering Locus C (FLC). The modulation of FLC plays a pivotal role in determining plant seasonal flowering timing, especially through vernalisation—an epigenetic mechanism where prolonged cold exposure leads to accelerated flowering.

The control of FLC involves antisense RNA-mediated chromatin modifications that influence both transcription initiation and elongation phases. Throughout winter, FLC undergoes epigenetic silencing triggered by a cold-responsive, cis-acting polycomb switching mechanism. Dean’s laboratory investigates these evolutionarily conserved chromatin regulatory pathways and their adaptive significance.

Employing Arabidopsis as a model system, she established hierarchical regulatory frameworks that have since been extended to other plant species. Dean played a crucial role in establishing Arabidopsis as a foundational model organism within plant biology.

Awards and honours

The Royal Society nomination for Dean underscores her pioneering work in deciphering the timing mechanisms underlying plant development, RNA processing pathways governing flowering, and the molecular basis for natural variation in flowering time. Additionally, she has been instrumental in advancing Arabidopsis research through contributions to genetic mapping and genome sequencing initiatives.

Notable recognitions include:

• 1993–2002: Honorary Research Fellow at University of East Anglia
• 1999: Elected member of EMBO
• 2004: Appointed Dame Commander of the Order of the British Empire (DBE)
• 2004: Elected Fellow of the Royal Society (FRS)
• 2007: Recipient of the Genetics Society Medal
• 2008: Foreign associate of the United States National Academy of Sciences
• 2008: Member of the German National Academy of Sciences Leopoldina
• 2015: Awarded FEBS/EMBO Women in Science Award
• 2016: Honoured with DBE for contributions to plant science research and advocacy for women in science
• 2016: Royal Society Darwin Medal recognising her epigenetics research on adaptation
• 2018: L'Oréal-UNESCO For Women in Science Award recipient
• 2020: Winner of the Wolf Prize in Agriculture
• 2020: Awarded the Royal Medal by the Royal Society

Personal life

In 1991, Dean entered into marriage with Jonathan D. G. Jones and together they have raised two children.