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Dr Firas Bou Daher

Dr Firas Bou Daher

Post Doctoral Research Associate

Sainsbury Laboratory
University of Cambridge
47 Bateman Street

Cambridge CB2 1LR
Office Phone: +44(0)1223 761100

Research Interests

In June 2013, I joined the Braybrook Team with the aim of understanding the mechanical principles governing plant cell growth. My project will deal with the characterization of the cell wall during Arabidopsis hypocotyl elongation and the logistics of material transport and deposition. I will be also working on the biochemical and mechanical components affecting the maintenance of cell connectivity during cell expansion and tissue development.


Previous work:
Dipl. Agricultural Engineering, Lebanese University, Beirut.
M.Sc. Horticultural Genetics and Biotechnology, Mediterranean Agronomic Institute of Chania, Greece. With Panagiotis Kalaitzis.

My project focused on the characterization of prolyl 4-hydroxylases and their effect on plant cell wall and tissue senescence under different stress conditions. During my masters, I had the opportunity to learn about plant genetics and molecular biology.
Ph.D University of Montreal, Canada. With Anja Geitmann
My project on the growth of anisotropic cells allowed me to combine my prior expertise on plant biology and molecular techniques with numerous microscopy techniques with which I became familiar under Dr. Geitmann's supervision. I focused on the plant cytoskeleton and cell wall and their roles in plant cell growth, development and tropic behavior using the pollen tube as a model system.

Post-Doctoral Researcher, Laboratory of Plant Development and Interaction, University of Guelph, Canada. With Jaideep Mathur

In the Mathur lab, I have expanded my expertise in live cell imaging of cellular compartments and organelles, and the use of multiple fluorescent probes to co-track different cellular compartments. I worked on the interactions between microtubules and microfilaments as well as cellular organelles in the early stages of infection of Arabidopsis plants with the model fungal pathogen Colletotrichum destructivum. I also worked on the characterization of the cell wall components of ARP2/3 mutants which are characterized by an abnormal cellular adhesion.

Key Publications

Erica-Ashley Jaipargas, Neeta Mathur, Firas Bou Daher, Geoffrey O Wasteneys and Jaideep Mathur (2016). High light intensity leads to increased peroxule-mitochondria interactions in plants. Frontiers in Cell and Developmental Biology DOI: 10.3389/fcell.2016.00006.

Firas Bou Daher and Anja Geitmann. Actin depolymerizing factors ADF7 and ADF10 play distinct roles during pollen development and pollen tube growth (2012). Plant Signaling & Behavior 7 (7): 873-875


Firas Bou Daher and Anja Geitmann. Actin regulates pollen tube tropism through redirection of secretory vesicles (2011). Traffic 12: 1537-1551


Firas Bou Daher, Chloë van Oostende and Anja Geitmann. Spatial and temporal expression of actin depolymerizing factors ADF7 and ADF10 during male gametophyte development in Arabidopsis thaliana (2011). Plant and Cell Physiology 52 (7): 1177-1192.


Florina Vlad, Päivi Tiainen, Carolyn Owen, Thodhoraq Spano, Firas Bou Daher, Fatiha Oualid, Namik Ozer Senol, Daniela Vlad, Johanna Myllyharju and Panagiotis Kalaitzis (2010). Characterization of two carnation petal prolyl 4 hydroxylases. Physiologia Plantarum 140: 199-207

Firas Bou Daher and Siobhan Braybrook. How to let go: pectin and plant cell adhesion (2015). Frontiers in Plant Science 6: 523

Jens Kroeger, Firas Bou Daher, Martin Grant and Anja Geitmann (2009). Microfilament orientation constrains vesicle flow and spatial distribution in growing pollen tubes. Biophysical Journal 97: 1822-1831


Firas Bou Daher, Youssef Chebli and Anja Geitmann (2009). Optimization of conditions for germination of cold stored Arabidopsis thaliana pollen. Plant Cell Reports 28: 347-357


Youssef Chebli, Firas Bou Daher, Monisha Sanyal, Leila Aouar and Anja Geitmann (2008). Microwave assisted processing of plant cells for optical and electron microscopy. Bulletin of the Microscopical Society of Canada 36(3): 15-19


Thérèse Atallah, Hélène Rizk, Abdallah Cherfane, Firas Bou Daher, Rouba El-Alia, Phillipe De Lajuide and Samih Hajj (2008). Distribution and nodulation of spontaneous legume species in grasslands and shrublands in Mediterranean Lebanon. Arid Land Research and Management 22(2): 109-122


Florina Vlad, Thodhoraq Spano, Daniela Vlad, Firas Bou Daher, Akli Ouelhadj, Sotirios Fragkostefanakis and Panagiotis Kalaitzis (2007). Involvement of Arabidopsis prolyl 4 hydroxylases in hypoxia, anoxia and mechanical wounding. Plant Signaling & Behavior 2(5): 368-369


Florina Vlad, Thodhoraq Spano, Daniela Vlad, Firas Bou Daher, Akli Ouelhadj and Panagiotis Kalaitzis (2007). Arabidopsis prolyl 4-hydroxylases are differentially expressed in response to hypoxia, anoxia and mechanical wounding. Physiologia Plantarum 130: 471–483.

Actin cytoskeleton

Actin cytoskeleton (green) in the elongating cells (red) of a young Arabidopsis hypocotyl.