He is the leader of the Edinburgh Molecular Signalling Group, who are investigating the role of calcium in signal transduction during plant development. He is an elected Fellow of the Royal Society of Edinburgh (1993), the Royal Society of Arts (1995), the Royal Society of London (1999), the Centre for Future Studies (2001), and received the "corresponding membership" award from the American Society of Plant Biologists in 1999, a prize given to one non-US biologist per year. He is named by the Institute for Scientific Information as a highly cited author in the field of animal and plant Sciences. He is a past or present member of the editorial boards of the publications, Trends in Plant Science, Botanica Acta, Plant Physiology, What's New in Plant Physiology, Biochemical Journal and Plant, Cell and Environment.
His recent research used a flexible confocal fluorescence ratio aiming assembly to image calcium redistribution during contact sensing, stomatal aperture control, pollen tube and rhizoid growth, moss development and photomorphogenesis. Plants were transformed with the gene for the calcium sensitive luminescent protein aequorin, allowing measurements of cytosolic calcium in plants and bacteria. Plants have also been transformed with genes for calmodulin to better assess the role of calcium in development. The group also cloned plant calcium channels and MARCKS, an actin/calmodulin binding protein.
In October 2001 Trewavas was named in the High Court of Justice as the source of a letter making libellous allegations against Lord Melchett and Greenpeace in relation to organic farming and GM foods.
A published apology in the Scottish newspaper, the Herald, on 6 October confirmed that, "On 3 November 2000 the Herald published a letter it had received from Anthony Trewavas." The conclusion of the libel case led to critical comment on the fact that Trewavas was not only a leading Fellow of the Royal Society but is even listed in the Society's media directory as an expert available to help journalists get their science stories right.
- Trewavas, A. (2002). "Malthus foiled again and again". Nature 418 (6898): 668–670. doi:10.1038/nature01013. PMID 12167872.
- Trewavas, A. J. (2001). "The Population/Biodiversity Paradox. Agricultural Efficiency to Save Wilderness". Plant Physiology 125 (1): 174–179. doi:10.1104/pp.125.1.174. PMC 1539356. PMID 11154326.
- Trewavas, A. (2001). "Urban myths of organic farming". Nature 410 (6827): 409–410. doi:10.1038/35068639. PMID 11260685.
- Knight, M. R.; Campbell, A. K.; Smith, S. M.; Trewavas, A. J. (1991). "Transgenic plant aequorin reports the effects of touch and cold-shock and elicitors on cytoplasmic calcium". Nature 352 (6335): 524–526. doi:10.1038/352524a0. PMID 1865907.
- Knight, H.; Trewavas, A.; Knight, M. (1996). "Cold Calcium Signaling in Arabidopsis Involves Two Cellular Pools and a Change in Calcium Signature after Acclimation". The Plant Cell Online 8 (3): 489–503. doi:10.1105/tpc.8.3.489. PMC 161115. PMID 8721751.
- http://www.biology.ed.ac.uk/research/institutes/plant/pages/staff_pages/T_Trewavas_staffpage.htm Staff Page: Tony Trewavas
- "American Society of Plant Biologists Awards Winners". American Society of Plant Biologists. Archived from the original on 2 July 2007. Retrieved 2007-07-01.
- ISI author number A0597-2002-C
- http://www.guardian.co.uk/education/2001/oct/08/research.highereducation Greenpeace wins damages over professor's 'unfounded' allegations - Education Guardian, Monday 8 October 2001
- The Ecologist vol 31 no. 10 p. 11, ISIS News, Institute of Science in Society, Private Eye 1040, p. 4