Susan Verrall
Current research interests
Metabolomics technologies collect vast quantities of data which must be processed in a suitable manner for the application. We have developed rigorous tests to ensure the validity of our methods and data analysis techniques to ensure robust data sets.
Bibliography
- Jarret, D.A.; Morris, J.; Cullen, D.W.; Gordon, S.L.; Verrall, S.R.; Milne, L.; Hedley, P.E.; Allwood, J.W.; Brennan, R.M.; Hancock, R.D. (2018) A transcript and metabolite atlas of blackcurrant fruit development highlights hormonal regulation and reveals the role of key transcription factors., Frontiers in Plant Science, 9, Article No. 1235.
- Karpinska, B.; Zhang, K.M.; Rasool, B.; Pastok, D.; Morris, J.; Verrall, S.R.; Hedley, P.E.; Hancock, R.D.; Foyer, C.H. (2018) The redox state of the apoplast influences the acclimation of photosynthesis and leaf metabolism to changing irradiance., Plant Cell and Environment, 41, 1083-1097.
- Ternan, N.G.; Moore, N.D.; Smyth, D.; McDougall, G.J.; Allwood, J.W.; Verrall, S.; Gill, C.I.R.; Dooley, J.S.G.; McMullan, G. (2018) Increased sporulation underpins adaptation of Clostridium difficile strain 630 to a biologically-relevant faecal environment, with implications for pathogenicity., Scientific Reports, 8, Article No. 16691.
- Freitag, S.; Verrall, S.R.; Pont, S.D.A.; McRae, D.; Sungartas, J.A.; Palau, R.; Hawes, C.; Alexander, C.J.; Allwood, J.W.; Foito, A.; Stewart, D.; Shepherd, L.V.T. (2018) Impact of conventional and integrated management systems on the water-soluble vitamin content in potatoes, field beans and cereals., Journal of Agricultural and Food Chemistry, 66, 831-841.
- Rasool, B.; McGowan, J.; Pastok, D.; Marcus, S.E.; Morris, J.A.; Verrall, S.R.; Hedley, P.E.; Hancock, R.D.; Foyer, C.H. (2017) Redox control of aphid resistance through altered cell wall composition and nutritional quality., Plant Physiology, 175, 259-271.
- McDougall, G.J.; Allwood, J.W.; Pereira-Caro, G.; Brown, E.M.; Verrall, S.; Stewart, D.; Latimer, C.; McMullan, G.; Lawther, R.; O'Connor, G.; Rowland, I.; Crozier, A.; Gill, C.I.R. (2017) Novel colon-available triterpenoids identified in raspberry fruits exhibit antigenotoxic activities in vitro., Molecular Nutrition and Food Research, 61, Article No. 1600327.
- McDougall, G.J.; Allwood, J.W.; Pereira-Caro, G.; Brown, E.M.; Ternan, N.; Verrall, S.; Stewart, D.; Lawther, R.; O'Connor, G.; Rowland, I.; Crozier, A.; Gill, C.I.R. (2016) Non-targeted LC-MSn profiling of compounds in ileal fluids that decrease after raspberry intake identifies consistent alterations in bile acid composition., Journal of Natural Products, 79, 2606-2615.
- Stavang, J.A.; Freitag, S.; Foito, A.; Verrall, S.; Heide, O.M.; Stewart, D.; Sonsteby, A. (2015) Raspberry fruit quality changes during ripening and storage as assessed by colour, sensory evaluation and chemical analyses., Scientia Horticulturae, 195, 216-225.
- Shepherd, L.V.T.; Alexander, C.J.; Hackett, C.A.; McRae, D.; Sungurtas, J.A.; Verrall, S.R.; Morris, J.A.; Hedley, P.E.; Rockhold, D.; Belknap, W.; Davies, H.V. (2015) Impacts on the metabolome of down-regulating polyphenol oxidase in potato tubers., Transgenic Research, 24, 447-461.
- Foyer, C.H.; Verrall, S.R.; Hancock, R.D. (2015) Systematic analysis of phloem-feeding insect induced transcriptional reprogramming in Arabidopsis highlights common features and reveals distinct responses to specialist and generalist insects., Journal of Experimental Botany, 66, 495-512.
- Comadira, G.; Rasool, B.; Karpinska, B.; Morris, J.; Verrall, S.R.; Hedley, P.E.; Foyer, C.H.; Hancock, R.D. (2015) Nitrogen deficiency in barley (Hordeum vulgare) seedlings induces molecular and metabolic adjustments that trigger aphid resistance., Journal of Experimental Botany, 66, 3639-3655.
- Comadira, G.; Rasool, B.; Kaprinska, B.; Garcia, B.M.; Morris, J.; Verrall, S.R.; Bayer, M.; Hedley, P.E.; Hancock, R.D.; Foyer, C.H. (2015) WHIRLY1 functions in the control of responses to nitrogen deficiency but not aphid infestation in barley., Plant Physiology, 168, 1140-1151.
- Vagiri, M.; Conner, S.; Stewart, D.; Andersson, S.C.; Verrall, S.; Johansson, E.; Rumpunen, K. (2015) Phenolic compounds in blackcurrant (Ribes nigrum L.) leaves relative to leaf position and harvest date., Food Chemistry, 172, 135-142.
- Mazur, S.P.; Sonsteby, A.; Wold, A.B.; Foito, A.; Freitag, S.; Verrall, S.; Conner, S.; Stewart, D.; Heide, O.M. (2014) Post-flowering photoperiod has marked effects on fruit chemical composition in red raspberry (Rubus idaeus)., Annals of Applied Biology, 165, 454-465.
- McDougall, G.J.; Conner, S.; Pereira-Caro, G.; Gonzalez-Barrio, R.; Brown, E.M.; Verrall, S.; Stewart, D.; Moffet, T.; Ibars, M.; Lawther, R.; O'Connor, G.; Rowland, I.; Crozier, A.; Gill, C.I.R. (2014) Tracking (poly)phenol components from raspberries in ileal fluid., Journal of Agricultural and Food Chemistry, 62, 7631-7641.
- Morris, W.L.; Hancock, R.D.; Ducreux, L.J.M.; Morris, J.A.; Usman, M.; Verrall, S.R.; Sharma, S.K.; Bryan, G.J.; McNicol, J.W.; Hedley, P.E.; Taylor, M.A. (2014) Day length dependent restructuring of the leaf transcriptome and metabolome in potato genotypes with contrasting tuberisation phenotypes., Plant Cell and Environment, 37, 1351-1363.
- Cognat, C.; Shepherd, T.; Verrall, S.R.; Stewart, D. (2014) Relationship between volative profile and sensory development of an oat based biscuit., Food Chemistry, 160, 72-81.
- Mazur, S.P.; Sonsteby, A.; Nes, A.; Wold, A.B.; Foito, A.; Freitag, S.; Verrall, S.R.; Stewart, D.; Heide, O.M. (2014) Effects of Post-Flowering Environmental Variation along an Altitudinal Gradient on Chemical Composition of 'Glen Ample' Red Raspberry (Rubus idaeus L.)., European Journal of Horticultural Science, 79, 267-277.
- Kerchev, P.I.; Karpinska, B.; Morris, J.A.; Hussain, A.; Verrall, S.R.; Hedley, P.E.; Fenton, B.; Foyer, C.H.; Hancock, R.D. (2013) Vitamin C and the abscisic acid-insensitive 4 transcription factor are important determinants of aphid resistance in arabidopsis., Antioxidants and Redox Signalling, 18, 2091-2105.
- Josuttis, M.; Verrall, S.R.; Stewart, D.; Kruger, E.; McDougall, G.J. (2013) Genetic and environmental effects on tannin composition in strawberry (Fragaria x ananassa) cultivars grown in different European locations., Journal of Agricultural and Food Chemistry, 61, 790-800.
- Nwankno, A.J.; Gordon, S.L.; Verrall, S.R.; Brennan, R.M.; Hancock, R.D. (2012) Treatment with fungicides influences phytochemical quality of blackcurrant juice., Annals of Applied Biology, 160, 86-96.
- Cognat, C.; Shepherd, T.; Verrall, S.R.; Stewart, D. (2012) Comparison of two headspace sampling techniques for the analysis of off-flavour volatiles from oat based products., Food Chemistry, 134, 1592-1600.
- McDougall, G.J.; Martinussen, I.; Junttila, O.; Verrall, S.R.; Stewart, D. (2011) Assessing the influence of genotype and temperature on polyphenol composition in cloudberry (Rubus chamaemorus L) using a novel mass spectrometric method., Journal of Agricultural and Food Chemistry, 59, 10860-10868.
- Ross, H.A.; Morris, W.L.; Ducreux, L.J.M.; Hancock, R.D.; Verrall, S.R.; Morris, J.A.; Tucker, G.A.; Stewart, D.; Hedley, P.E.; McDougall, G.J.; Taylor, M.A. (2011) Pectin engineering to modify product quality in potato., Plant Biotechnology Journal, 9, 848-856.
- Ross, H.A.; Morris, W.L.; Ducreux, L.J.M.; Hancock, R.D.; Verrall, S.R.; Morris, J.A.; Stewart, D.; Hedley, P.E.; McDougall, G.J.; Taylor, M.A. (2011) The role of pectin methyl esterase in determining potato tuber textural quality., Annual Report of the Scottish Crop Research Institute for 2010, pp32-33.
- Ross, H.A.; McDougall, G.J.; Vincent, J.F.V.; Stewart, D.; Verrall, S.R.; Taylor, M.A. (2010) Discerning intra-tuber differences in textural properties in cooked Solanum tuberosum group Tuberosum and group Phureja tubers., Journal of the Science of Food and Agriculture, 90, 1527-1832.
- Morris, W.L.; Shepherd, T.; Verrall, S.R.; McNicol, J.W.; Taylor, M.A. (2010) Relationships between volatile and non-volatile metabolites and attributes of processed potato flavour., Phytochemistry, 71, 1765-1773.
- Stushnoff, C.; Ducreux, L.J.M.; Hancock, R.D.; Hedley, P.E.; Holm, D.G.; McDougall, G.J.; McNicol, J.W.; Morris, J.; Morris, W.L.; Sungurtas, J.; Verrall, S.R.; Zuber, T.; Taylor, M.A. (2010) Flavonoid profiling and transcriptome analysis reveals new gene-metabolite correlations in tubers of Solanum tuberosum L., Journal of Experimental Botany, 61, 1225-1238.
- Dobson, G.; Shepherd, T.; Verrall, S.R.; Griffiths, D.W.; Ramsay, G.; McNicol, J.W.; Davies, H.V.; Stewart, D. (2010) A metabolomics study of cultivated potato (Solanum tuberosum) groups, Andigena, Phureja, Stenotomum and Tuberosum using gas chromatography-mass spectrometry., Journal of Agricultural and Food Chemistry, 58, 1214-1223.
- Dobson, G.; Shepherd, T.; Verrall, S.R.; Conner, S.; McNicol, J.W.; Ramsay, G.; Shepherd, L.V.T.; Davies, H.V.; Stewart, D. (2008) Phytochemical diversity in tubers of potato cultivars and landraces using a GC-MS metabolomics approach., Journal of Agricultural and Food Chemistry, 56, 10280-10291.
- Stewart, D.; McDougall, G.J.; Sungurtas, J.; Verrall, S.R.; Graham, J.; Martinussen, I. (2007) Metabolomic approach to identifying bioactive compounds in berries: Advances toward fruit nutritional enhancement., Molecular Nutrition and Food Research, 51, 645-651.
- Shepherd, T.; Dobson, G.; Verrall, S.R.; Conner, S.; Griffiths, D.W.; McNicol, J.W.; Davies, H.V.; Stewart, D. (2007) Potato metabolomics by GC-MS: what are the limiting factors?., Metabolomics, 3, 475-488.
- Dobson, G.; Shepherd, T.; Marshall, R.; Verrall, S.R.; Conner, S.; Griffiths, D.W.; McNicol, J.W.; Stewart, D.; Davies, H.V. (2007) Application of metabolite and flavour volatile profiling to studies of biodiversity in Solanum species., In: Nikolau, B.L. & Wurtele, E.S. (eds.). Concepts in Plant Metabolomics. Springer, Dordrecht, 259-268. ISBN: 978-1-4020-5607-9
- Shepherd, T.; Dobson, G.; Marshall, R.; Verrall, S.R.; Conner, S.; Griffiths, D.W.; Stewart, D.; Davies, H.V. (2007) Profiling of metabolites and volatile flavour compounds from Solanum species using gas chromatography-mass spectrometry., In: Nikolau, B.L. & Wurtele, E.S. (eds.). Concepts in Plant Metabolomics. Springer, Dordrecht, 208-219. ISBN: 978-1-4020-5607-9
- Nuopponen, M.; Shepherd, T.; Birch, G.M.; Verrall, S.R.; Stewart, D. (2006) Hemicelluloses and pectins in 25 tropical hardwoods., Cellulose Chemistry and Technology, 40, 735-738.
- McNicol, J.W.; Verrall, S.R.; Shepherd, T.; Dobson, G.; Griffiths, D.W.; Ramsay, G.; Davies, H.V.; Stewart, D. (2006) Statistical analysis of metabolomic data., Annual Report of the Scottish Crop Research Institute for 2006, pp54-55.
- Bruce, A.; Verrall, S.R.; Hackett, C.A.; Wheatley, R.E. (2004) Identification of volatile organic compounds (VOCs) from bacteria and yeast causing growth inhibition of sapstain fungi., Holzforschung, 58, 193-198.
- Bruce, A.; Stewart, D.D.; Verrall, S.R.; Wheatley, R.E. (2003) Effects of volatiles from bacteria and yeast on the growth and pigmentation of sapstain fungi., International Biodeterioration and Degradation, 51, 101-108.
- Bell, K.S.; Roberts, J.; Verrall, S.R.; Cullen, D.W.; Williams, N.A.; Harrison, J.G.; Toth, I.K.; Cooke, D.E.L.; Duncan, J.M.; Claxton, J.R. (2000) Detection and quantification of Spongospora subterranea f.sp. subterranea in soils and on tubers using specific PCR primers., European Journal of Plant Pathology, 105, 905-915.
- Jarret, D.A.; Morris, J.; Cullen, D.W.; Gordon, S.L.; Verrall, S.R.; Milne, L.; Hedley, P.E.; Allwood, J.W.; Brennan, R.M.; Hancock, R.D. (2018) A transcript and metabolite atlas of blackcurrant fruit development highlights hormonal regulation and reveals the role of key transcription factors., Frontiers in Plant Science, 9, Article No. 1235.
- Karpinska, B.; Zhang, K.M.; Rasool, B.; Pastok, D.; Morris, J.; Verrall, S.R.; Hedley, P.E.; Hancock, R.D.; Foyer, C.H. (2018) The redox state of the apoplast influences the acclimation of photosynthesis and leaf metabolism to changing irradiance., Plant Cell and Environment, 41, 1083-1097.
- Ternan, N.G.; Moore, N.D.; Smyth, D.; McDougall, G.J.; Allwood, J.W.; Verrall, S.; Gill, C.I.R.; Dooley, J.S.G.; McMullan, G. (2018) Increased sporulation underpins adaptation of Clostridium difficile strain 630 to a biologically-relevant faecal environment, with implications for pathogenicity., Scientific Reports, 8, Article No. 16691.
- Freitag, S.; Verrall, S.R.; Pont, S.D.A.; McRae, D.; Sungartas, J.A.; Palau, R.; Hawes, C.; Alexander, C.J.; Allwood, J.W.; Foito, A.; Stewart, D.; Shepherd, L.V.T. (2018) Impact of conventional and integrated management systems on the water-soluble vitamin content in potatoes, field beans and cereals., Journal of Agricultural and Food Chemistry, 66, 831-841.
- Rasool, B.; McGowan, J.; Pastok, D.; Marcus, S.E.; Morris, J.A.; Verrall, S.R.; Hedley, P.E.; Hancock, R.D.; Foyer, C.H. (2017) Redox control of aphid resistance through altered cell wall composition and nutritional quality., Plant Physiology, 175, 259-271.
- McDougall, G.J.; Allwood, J.W.; Pereira-Caro, G.; Brown, E.M.; Verrall, S.; Stewart, D.; Latimer, C.; McMullan, G.; Lawther, R.; O'Connor, G.; Rowland, I.; Crozier, A.; Gill, C.I.R. (2017) Novel colon-available triterpenoids identified in raspberry fruits exhibit antigenotoxic activities in vitro., Molecular Nutrition and Food Research, 61, Article No. 1600327.
- McDougall, G.J.; Allwood, J.W.; Pereira-Caro, G.; Brown, E.M.; Ternan, N.; Verrall, S.; Stewart, D.; Lawther, R.; O'Connor, G.; Rowland, I.; Crozier, A.; Gill, C.I.R. (2016) Non-targeted LC-MSn profiling of compounds in ileal fluids that decrease after raspberry intake identifies consistent alterations in bile acid composition., Journal of Natural Products, 79, 2606-2615.
- Stavang, J.A.; Freitag, S.; Foito, A.; Verrall, S.; Heide, O.M.; Stewart, D.; Sonsteby, A. (2015) Raspberry fruit quality changes during ripening and storage as assessed by colour, sensory evaluation and chemical analyses., Scientia Horticulturae, 195, 216-225.
- Shepherd, L.V.T.; Alexander, C.J.; Hackett, C.A.; McRae, D.; Sungurtas, J.A.; Verrall, S.R.; Morris, J.A.; Hedley, P.E.; Rockhold, D.; Belknap, W.; Davies, H.V. (2015) Impacts on the metabolome of down-regulating polyphenol oxidase in potato tubers., Transgenic Research, 24, 447-461.
- Foyer, C.H.; Verrall, S.R.; Hancock, R.D. (2015) Systematic analysis of phloem-feeding insect induced transcriptional reprogramming in Arabidopsis highlights common features and reveals distinct responses to specialist and generalist insects., Journal of Experimental Botany, 66, 495-512.
- Comadira, G.; Rasool, B.; Karpinska, B.; Morris, J.; Verrall, S.R.; Hedley, P.E.; Foyer, C.H.; Hancock, R.D. (2015) Nitrogen deficiency in barley (Hordeum vulgare) seedlings induces molecular and metabolic adjustments that trigger aphid resistance., Journal of Experimental Botany, 66, 3639-3655.
- Comadira, G.; Rasool, B.; Kaprinska, B.; Garcia, B.M.; Morris, J.; Verrall, S.R.; Bayer, M.; Hedley, P.E.; Hancock, R.D.; Foyer, C.H. (2015) WHIRLY1 functions in the control of responses to nitrogen deficiency but not aphid infestation in barley., Plant Physiology, 168, 1140-1151.
- Vagiri, M.; Conner, S.; Stewart, D.; Andersson, S.C.; Verrall, S.; Johansson, E.; Rumpunen, K. (2015) Phenolic compounds in blackcurrant (Ribes nigrum L.) leaves relative to leaf position and harvest date., Food Chemistry, 172, 135-142.
- Mazur, S.P.; Sonsteby, A.; Wold, A.B.; Foito, A.; Freitag, S.; Verrall, S.; Conner, S.; Stewart, D.; Heide, O.M. (2014) Post-flowering photoperiod has marked effects on fruit chemical composition in red raspberry (Rubus idaeus)., Annals of Applied Biology, 165, 454-465.
- McDougall, G.J.; Conner, S.; Pereira-Caro, G.; Gonzalez-Barrio, R.; Brown, E.M.; Verrall, S.; Stewart, D.; Moffet, T.; Ibars, M.; Lawther, R.; O'Connor, G.; Rowland, I.; Crozier, A.; Gill, C.I.R. (2014) Tracking (poly)phenol components from raspberries in ileal fluid., Journal of Agricultural and Food Chemistry, 62, 7631-7641.
- Morris, W.L.; Hancock, R.D.; Ducreux, L.J.M.; Morris, J.A.; Usman, M.; Verrall, S.R.; Sharma, S.K.; Bryan, G.J.; McNicol, J.W.; Hedley, P.E.; Taylor, M.A. (2014) Day length dependent restructuring of the leaf transcriptome and metabolome in potato genotypes with contrasting tuberisation phenotypes., Plant Cell and Environment, 37, 1351-1363.
- Cognat, C.; Shepherd, T.; Verrall, S.R.; Stewart, D. (2014) Relationship between volative profile and sensory development of an oat based biscuit., Food Chemistry, 160, 72-81.
- Mazur, S.P.; Sonsteby, A.; Nes, A.; Wold, A.B.; Foito, A.; Freitag, S.; Verrall, S.R.; Stewart, D.; Heide, O.M. (2014) Effects of Post-Flowering Environmental Variation along an Altitudinal Gradient on Chemical Composition of 'Glen Ample' Red Raspberry (Rubus idaeus L.)., European Journal of Horticultural Science, 79, 267-277.
- Kerchev, P.I.; Karpinska, B.; Morris, J.A.; Hussain, A.; Verrall, S.R.; Hedley, P.E.; Fenton, B.; Foyer, C.H.; Hancock, R.D. (2013) Vitamin C and the abscisic acid-insensitive 4 transcription factor are important determinants of aphid resistance in arabidopsis., Antioxidants and Redox Signalling, 18, 2091-2105.
- Josuttis, M.; Verrall, S.R.; Stewart, D.; Kruger, E.; McDougall, G.J. (2013) Genetic and environmental effects on tannin composition in strawberry (Fragaria x ananassa) cultivars grown in different European locations., Journal of Agricultural and Food Chemistry, 61, 790-800.
- Nwankno, A.J.; Gordon, S.L.; Verrall, S.R.; Brennan, R.M.; Hancock, R.D. (2012) Treatment with fungicides influences phytochemical quality of blackcurrant juice., Annals of Applied Biology, 160, 86-96.
- Cognat, C.; Shepherd, T.; Verrall, S.R.; Stewart, D. (2012) Comparison of two headspace sampling techniques for the analysis of off-flavour volatiles from oat based products., Food Chemistry, 134, 1592-1600.
- McDougall, G.J.; Martinussen, I.; Junttila, O.; Verrall, S.R.; Stewart, D. (2011) Assessing the influence of genotype and temperature on polyphenol composition in cloudberry (Rubus chamaemorus L) using a novel mass spectrometric method., Journal of Agricultural and Food Chemistry, 59, 10860-10868.
- Ross, H.A.; Morris, W.L.; Ducreux, L.J.M.; Hancock, R.D.; Verrall, S.R.; Morris, J.A.; Tucker, G.A.; Stewart, D.; Hedley, P.E.; McDougall, G.J.; Taylor, M.A. (2011) Pectin engineering to modify product quality in potato., Plant Biotechnology Journal, 9, 848-856.
- Ross, H.A.; McDougall, G.J.; Vincent, J.F.V.; Stewart, D.; Verrall, S.R.; Taylor, M.A. (2010) Discerning intra-tuber differences in textural properties in cooked Solanum tuberosum group Tuberosum and group Phureja tubers., Journal of the Science of Food and Agriculture, 90, 1527-1832.
- Morris, W.L.; Shepherd, T.; Verrall, S.R.; McNicol, J.W.; Taylor, M.A. (2010) Relationships between volatile and non-volatile metabolites and attributes of processed potato flavour., Phytochemistry, 71, 1765-1773.
- Stushnoff, C.; Ducreux, L.J.M.; Hancock, R.D.; Hedley, P.E.; Holm, D.G.; McDougall, G.J.; McNicol, J.W.; Morris, J.; Morris, W.L.; Sungurtas, J.; Verrall, S.R.; Zuber, T.; Taylor, M.A. (2010) Flavonoid profiling and transcriptome analysis reveals new gene-metabolite correlations in tubers of Solanum tuberosum L., Journal of Experimental Botany, 61, 1225-1238.
- Dobson, G.; Shepherd, T.; Verrall, S.R.; Griffiths, D.W.; Ramsay, G.; McNicol, J.W.; Davies, H.V.; Stewart, D. (2010) A metabolomics study of cultivated potato (Solanum tuberosum) groups, Andigena, Phureja, Stenotomum and Tuberosum using gas chromatography-mass spectrometry., Journal of Agricultural and Food Chemistry, 58, 1214-1223.
- Dobson, G.; Shepherd, T.; Verrall, S.R.; Conner, S.; McNicol, J.W.; Ramsay, G.; Shepherd, L.V.T.; Davies, H.V.; Stewart, D. (2008) Phytochemical diversity in tubers of potato cultivars and landraces using a GC-MS metabolomics approach., Journal of Agricultural and Food Chemistry, 56, 10280-10291.
- Stewart, D.; McDougall, G.J.; Sungurtas, J.; Verrall, S.R.; Graham, J.; Martinussen, I. (2007) Metabolomic approach to identifying bioactive compounds in berries: Advances toward fruit nutritional enhancement., Molecular Nutrition and Food Research, 51, 645-651.
- Shepherd, T.; Dobson, G.; Verrall, S.R.; Conner, S.; Griffiths, D.W.; McNicol, J.W.; Davies, H.V.; Stewart, D. (2007) Potato metabolomics by GC-MS: what are the limiting factors?., Metabolomics, 3, 475-488.
- Nuopponen, M.; Shepherd, T.; Birch, G.M.; Verrall, S.R.; Stewart, D. (2006) Hemicelluloses and pectins in 25 tropical hardwoods., Cellulose Chemistry and Technology, 40, 735-738.
- Bruce, A.; Verrall, S.R.; Hackett, C.A.; Wheatley, R.E. (2004) Identification of volatile organic compounds (VOCs) from bacteria and yeast causing growth inhibition of sapstain fungi., Holzforschung, 58, 193-198.
- Bruce, A.; Stewart, D.D.; Verrall, S.R.; Wheatley, R.E. (2003) Effects of volatiles from bacteria and yeast on the growth and pigmentation of sapstain fungi., International Biodeterioration and Degradation, 51, 101-108.
- Bell, K.S.; Roberts, J.; Verrall, S.R.; Cullen, D.W.; Williams, N.A.; Harrison, J.G.; Toth, I.K.; Cooke, D.E.L.; Duncan, J.M.; Claxton, J.R. (2000) Detection and quantification of Spongospora subterranea f.sp. subterranea in soils and on tubers using specific PCR primers., European Journal of Plant Pathology, 105, 905-915.
- Dobson, G.; Shepherd, T.; Marshall, R.; Verrall, S.R.; Conner, S.; Griffiths, D.W.; McNicol, J.W.; Stewart, D.; Davies, H.V. (2007) Application of metabolite and flavour volatile profiling to studies of biodiversity in Solanum species., In: Nikolau, B.L. & Wurtele, E.S. (eds.). Concepts in Plant Metabolomics. Springer, Dordrecht, 259-268. ISBN: 978-1-4020-5607-9
- Shepherd, T.; Dobson, G.; Marshall, R.; Verrall, S.R.; Conner, S.; Griffiths, D.W.; Stewart, D.; Davies, H.V. (2007) Profiling of metabolites and volatile flavour compounds from Solanum species using gas chromatography-mass spectrometry., In: Nikolau, B.L. & Wurtele, E.S. (eds.). Concepts in Plant Metabolomics. Springer, Dordrecht, 208-219. ISBN: 978-1-4020-5607-9
- Ross, H.A.; Morris, W.L.; Ducreux, L.J.M.; Hancock, R.D.; Verrall, S.R.; Morris, J.A.; Stewart, D.; Hedley, P.E.; McDougall, G.J.; Taylor, M.A. (2011) The role of pectin methyl esterase in determining potato tuber textural quality., Annual Report of the Scottish Crop Research Institute for 2010, pp32-33.
- McNicol, J.W.; Verrall, S.R.; Shepherd, T.; Dobson, G.; Griffiths, D.W.; Ramsay, G.; Davies, H.V.; Stewart, D. (2006) Statistical analysis of metabolomic data., Annual Report of the Scottish Crop Research Institute for 2006, pp54-55.
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