The role of ethylene in plant development
We have a long interest in the role of the plant hormone ethylene in plant development. Given its gaseous nature, its not surprizing that ethylene is involved in many plant processes.
Current research:
1. We are finalizing some work on the role of ethylene in primary seed dormancy.
2. Using ethylene mutants in Arabidopsis and poplar, we are further characterizing its role in plant development
Publications:
Plett, J.M., Williams, M., Leclair, G., Regan, S., and Beardmore, T. (2014) Heterologous over-expression of ACC SYNTHASE8 (ACS8) in Populus tremula x P. alba clone 717-1B4 results in elevated levels of ethylene and induces dwarfism and reduced leaf size through separate genetic pathways. Frontiers in Plant Science. 5:514
Plett, J.M., McDonnell, L., and Regan, S. (2009) Plant encoded 1-aminocyclopropane-1-carboxylic acid deaminase activity implicatd in different aspects of plant development. Plant Signaling and Behaviour 4:1186-1189.
Plett, J.M., Mathur, J., and Regan, S. (2009) Ethylene receptor ETR2 controls trichome branching by regulating microtubule assembly in Arabidopsis. Journal of Experimental Botany 60(13)3923-3933.
Plett, J.M., Cvetkovska, M., Makenson, P., Xing, T., and Regan, S. (2009) Arabidopsis ethylene receptors have different roles in Fumonisin B1-induced cell death. Physiological and Molecular Plant Pathology 74:18-26.
McDonnell, L., Plett, J.M., Andersson-Gunneras, S., Kozela, C., Dugardeyn, J., Van Der Straeten, D., Glick, B.R., Sundberg, G., and Regan, S. (2009) Identification of a functional plant-encoded ACC deaminase – A mechanism to decrease ethylene levels. Physiol. Plant 136:94-109
Andersson-Gunneras, S., Hellgren, J.M., Bjorklund, S., Regan, S., Moritz, T., and Sundberg, B. (2003) Asymmetric expression of a poplar ACC oxidase controls ethylene production during gravitational induction of tension wood. Plant J. 34: 339-350.