Dr. Kathryn J. Steadman

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University of Queensland
School of Pharmacy
Senior LecturerAppointed: 2006
Professional Headshot of Kathryn J. Steadman

Mailing Address

School of Pharmacy
University of Queensland
Brisbane, Queensland 4072
Australia

Contact Information

Phone: 61 7 3346 9815
Fax: 61 7 3365 1688
k.steadman@uq.edu.au

Qualifications

Grad. Cert., University of Canberra, Environmental Statisitics, 2004.
Ph.D., Royal Holloway, University of London, Plant Biochemistry, 1997.
B.Pharm. (Hons), King's College London, Pharmacy, 1991.

Expertise and Research Interests

Chemistry:
- Nutritional and pharmaceutically useful components of plants
- Plant biotechnology for pharmaceutical production & delivery
- Components with a role in seed dormancy, desiccation tolerance and longevity
- Quantification, isolation and identification
- Carbohydrate chemistry

Seed physiology:
- Dormancy and germination
- Regulation of sensitivity to germination stimulants
- Role of temperature, water, light in dormancy release
- Impact of maternal environment on seed quality
- Physiology of aging and longevity

Keywords

COS Keywords:

Agriculture, Atmospheric Sciences, Biochemistry, Biological Sciences, Botany, Crop Science, Food Chemistry, Grain Processing or Storage, Herbicides, Pharmaceuticals, Pharmacy, Phytochemistry, Plant Sciences, Seed Production, Soil Sciences, Weed Sciences.

Additional Terms:

Natural Products, Seed Biology.

Memberships

Australasian Pharmaceutical Science Association
International Seed Science Society
Pharmaceutical Society of Australia (MPS)
Royal Pharmaceutical Society of Great Britain (MRPharmS)

Previous Positions

2005-2006, Lecturer, Murdoch University, Division of Health Sciences, School of Pharmacy
1999-2005, Research Fellow, University of Western Australia, Faculty of Natural and Agricultural Sciences, School of Plant Biology
1997-1999, Postdoctoral Associate, Cornell University, Agriculture and Life Sciences, Soil, Crop, and Atmospheric Science
1993-1997, Ph.D. Student, Royal Holloway, University of London, Plant Biochemistry
1992-1997, Pharmacist (Part Time), Boots the Chemists, London

Publications

  • Buckley YM, Cherry H, Steadman KJ (2009) Inter-population variation in seed longevity for two invasive weeds: Chrysanthemoides monilifera ssp. monilifera (boneseed) and ssp. rotundata (bitou bush), Weed Research, In Press
  • Goggin DE, Steadman KJ, Emery RJN, Farrow SC, Benech-Arnold RL, Powles SB (2009) ABA inhibits germination but not dormancy release in mature imbibed seeds of Lolium rigidum Gaud., Journal of Experimental Botany, 60, 3387-3396
  • Kochanek J, Steadman KJ, Probert RJ, Adkins SW (2009) Variation in seed longevity among different populations, species and genera found in collections from wild Australian plants, Australian Journal of Botany, 57, 123-131
  • Turner SR, Cook A, Baskin JM, Baskin CC, Steadman KJ, Dixon KW (2009) Identification and characterisation of the water gap in the physically dormant seeds of Dodonaea petiolaris: a first report for Sapindaceae, Annals of Botany, 104, 833-844
  • Nissen LM, Haywood A, Steadman KJ (2009) Medication dose form modification at the bedside and in pharmacy departments across Queensland Hospitals, Journal of Pharmacy Practice and Research, 39, 129-134
  • Long RL, Steadman KJ, Panetta FD, Adkins SW (2009) Soil type does not affect seed ageing when soil water potential and temperature are controlled, Plant and Soil, 320, 131-140
  • Michael PJ, Steadman KJ, Plummer JA (2009) The biology of Australian weeds: Malva parviflora (L.), Plant Protection Quarterly, 24, 2-9
  • McKauge L, Bond J, Steadman KJ, Green W, Sweep T, Cole M (2009) An initiative to improve the professional communication skills of first-year pharmacy students, Proceedings of the 32nd HERDSA Annual Conference, Darwin 6-9 July 2009, Darwin, Charles Dawin University, 284-295 pages
  • Hoyle GL, Daws MI, Steadman KJ, Adkins SW (2008) Pre- and post-harvest influences on physiological dormancy alleviation of an Australian Asteraceae species: Actinobole uliginosum, Seed Science Research, 18, 191-199
  • Goggin D, Steadman KJ, Powles SB (2008) Green and blue light photoreceptors are involved in maintenance of dormancy in imbibed annual ryegrass (Lolium rigidum) seeds, New Phytologist, 180, 81-89
  • Hoyle GL, Steadman KJ, Daws MI, Adkins SW (2008) Pre- and post-harvest influences on seed dormancy status of an Australian Goodeniaceae species: Goodenia fascicularis F.Muell. & Tate., Annals of Botany, 102, 93-101
  • Long RL, Panetta FD, Steadman KJ, Probert R, Bekker RM, Brooks S, Adkins SW (2008) Seed persistence in the field may be predicted by laboratory controlled aging, Weed Science, 56, 523-528
  • Cook A, Turner SB, Baskin JB, Baskin CC, Steadman KJ, Dixon KW (2008) Occurrence of physical dormancy in seeds of Australian Sapindaceae: A survey of 14 species in nine genera, Annals of Botany, 101, 1349-1362
  • Hoyle GL, Daws MI, Steadman KJ, Adkins SW (2008) Mimicking a semi-arid tropical environment achieves dormancy alleviation for seeds of Australian native Goodeniaceae and Asteraceae, Annals of Botany, 101, 701-708
  • Hoyle GL, Steadman KJ, Daws MI, Adkins SW (2008) Physiological dormancy in forbs native to south-west Queensland: Diagnosis and classification, South African Journal of Botany, 74, 208-213
  • Crawford AD, Steadman KJ, Plummer JA, Cochrane A, Probert RJ (2007) Analysis of seed bank data confirms suitability of international seed storage standards for the Australian flora, Australian Journal of Botany, 55, 18-29
  • Michael PM, Steadman KJ, Plummer JA (2007) Seed development in Malva parviflora: onset of germinability, dormancy and desiccation tolerance, Australian Journal of Experimental Agriculture, 47, 683-688
  • Steadman KJ, Millar AH (2007) Differences in the Lolium rigidum embryo proteome of seeds with a high (light-insensitive) and low (light-sensitive) level of dormancy, Seeds: Biology, Development and Ecology, Wallingford, UK, CABI, 225-234 pages (bookchapter)
  • Michael PM, Steadman KJ, Plummer JA (2007) Seed development in weedy Malva parviflora L. (Malvaceae), Proceedings of the Seed Ecology II conference, 9-13 September, Perth, Australia, Perth, Australia, Kings Park and Botanic Garden, 60 pages
  • Kochanek J, Steadman KJ, Probert RJ, Adkins SW (2007) The effects of provenance and plant growth environment on the seed longevity of the genus Wahlengergia in Australia, Proceedings of the Seed Ecology II conference, 9-13 September, Perth, Australia, Kings Park and Botanic Garden, Perth, Australia, 44 pages
  • Hoyle GL, Steadman KJ, Daws MI, Adkins SW (2007) Mimicking a semi-arid tropical environment for physiological dormancy alleviation of Australian native Goodeniaceae and Asteraceae species, Proceedings of the Seed Ecology II conference, 9-13 September, Perth, Australia, Kings Park and Botanic Garden, Perth, Australia, 32 pages
  • Goggin D, Steadman KJ, Powles SB (2007) Plant hormones and dormancy release in annual ryegrass (Lolium rigidum Gaud.), Proceedings of the Seed Ecology II conference, 9-13 September, Perth, Australia, Kings Park and Botanic Garden, Perth, Australia, 27 pages
  • Michael PM, Steadman KJ, Plummer JA (2006) Climatic regulation of dormancy and emergence of diverse Malva parviflora populations from a Mediterranean-type environment, Seed Science Research, 16, 273-281
  • Michael PM, Steadman KJ, Plummer JA, Vercoe P (2006) Sheep rumen digestion and transmission of weedy Malva parviflora seeds, Australian Journal of Experimental Agriculture, 46, 1251-1256
  • Michael PM, Steadman KJ, Plummer JA (2006) Limited ecoclinal variation found in Malva parviflora (small-flowered mallow) across the Mediterranean-climatic agricultural region of Western Australia, Australian Journal of Agricultural Research, 57, 823-830
  • Steadman KJ, Eaton DM, Plummer JA, Ferris DG, Powles SB (2006) Late-season non-selective herbicide application reduces Lolium rigidum seed dormancy and seed fitness as well as seed numbers, Australian Journal of Agricultural Research, 57, 133-141
  • Long RL, Steadman KJ, Panetta FD, Adkins SW (2006) Predicting weed seed persistence in the soil: hydration cycles enhance seed longevity, Proceedings of the 15th Australian Weeds Conference, Adelaide, SA., RG & FJ Richardson, Meredith, Vic, 184-187 pages
  • Long RL, Steadman KJ, Panetta FD, Adkins SW (2006) Can a lab test predict field persistence of weed seeds?, Proceedings of the 15th Australian Weeds Conference, Adelaide, SA, RG & FJ Richardson, Meredith, Vic, 171 pages
  • Baker KS, Steadman KJ, Plummer JA, Merritt D, Dixon K (2005) Dormancy release in Australian fire ephemeral seeds during burial increases germination response to smoke water or heat, Seed Science Research, 15, 339-348
  • Baker KS, Steadman KJ, Plummer JA, Dixon KW (2005) Seed dormancy and germination responses of nine Australian fire ephemerals, Plant and Soil, 277, 345-358
  • Baker KS, Steadman KJ, Plummer JA, Merritt DJ, Dixon KW (2005) The changing window of conditions that promotes germination of two fire ephemerals, Actinotus leucocephalus (Apiaceae) and Tersonia cyathiflora (Gyrostemonaceae), Annals of Botany, 96, 1225-1236
  • Vila-Aiub MM, Neve P, Steadman KJ, Powles SB (2005) Ecological Fitness of a Multiple Herbicide Resistant Lolium Rigidum Population: Dynamics of Seed Germination and Seedling Emergence of Resistant and Susceptible Phenotypes, Journal of Applied Ecology, 42, 288-298
  • Baker KS, Plummer JA, Steadman KJ, Merritt D, Dixon K (2005) Changes in sensitivity to smoke water during burial of a fire ephemeral, Actinotus leucocephalus (Apiaceae), Proceedings of the Fifth Australian Workshop of Native Seed Biology, Brisbane, Queensland, 21-23 June 2004, 133-139 pages
  • Gallagher RS, Steadman KJ, Crawford AD (2004) Alleviation of dormancy in annual ryegrass (Lolium rigidum) seeds by hydration and after-ripening, Weed Science, 52, 968-975
  • Steadman KJ, Ellery AJ, Chapman R, Moore A, Turner NC (2004) Maturation temperature and rainfall influence seed dormancy characteristics of annual ryegrass (Lolium rigidum), Australian Journal of Agricultural Research, 55, 1047-1057
  • Steadman KJ, Bignell GP, Michael PJ (2004) Stimulating dormancy release and emergence of annual ryegrass (Lolium rigidum) seeds using short-term hydrated storage in darkness, Australian Journal of Agricultural Research, 55, 787-795
  • Steadman KJ (2004) Dormancy release during hydrated storage in Lolium rigidum seeds is dependent on temperature, light quality and hydration status, Journal of Experimental Botany, 55, 929-937
  • Steadman KJ, Pritchard HW (2004) Germination in Aesculus hippocastanum seeds following cold-induced dormancy loss can be described in relation to temperature-dependent reduction in base temperature (Tb), New Phytologist, 161, 415-425
  • Gardner G, Spafford-Jacob H, Steadman KJ, van Klinken R (2004) Dormancy release and germination of four mesquite (Prosopis spp.) morphotypes naturalized in Australia, Proceedings of the 14th Australian Weeds Conference, Wagga Wagga, NSW, 566-570 pages
  • Michael PM, Steadman KJ, Plummer JA (2004) Effect of sheep mastication and digestion on the transmission, viability and germinability of mallow (Malva parviflora) seeds, Proceedings of the 14th Australian Weeds Conference, Wagga Wagga, NSW, 516-518 pages
  • Steadman KJ, Ellery AJ (2004) Environmental control of dormancy and after-ripening in annual ryegrass seeds, Proceedings of the 14th Australian Weeds Conference, Wagga Wagga, NSW, 527-530 pages
  • Baker KS, Steadman KJ, Plummer JA, Merritt DJ, Dixon KW (2004) Seed dormancy of two Australian Gyrostemonaceae fire ephemerals, Proceedings of the 10th International Conference on Mediterranean Climate Ecosystems of the World, Rhodes, Greece.
  • Steadman KJ, Bignell GP, Ellery AJ (2003) Field assessment of thermal after-ripening time for dormancy release prediction in annual ryegrass (Lolium rigidum) seeds, Weed Research, 43, 458-465
  • Steadman KJ, Crawford AD, Gallagher RS (2003) Dormancy release in Lolium rigidum seeds is a function of thermal after-ripening time and water content, Functional Plant Biology, 30, 345-352
  • Steadman KJ (2002) A summary of dormancy in annual ryegrass seeds: Dry after-ripening versus imbibition in the dark, Proceedings of the 13th Australian Weeds Conference, Perth, WA, 468-470 pages
  • Steadman KJ, Fuller DJ, Obendorf RL (2001) Purification and molecular structure of two digalactosyl D-chiro-inositols and two trigalactosyl D-chiro-inositols from buckwheat seeds, Carbohydrate Research, 331, 19-25
  • Steadman KJ, Burgoon MS, Lewis BA, Edwardson SE, Obendorf RL (2001) Buckwheat seed milling fractions: Description, macronutrient composition, and dietary fibre, Journal of Cereal Science, 33, 271-278
  • Steadman KJ, Burgoon MS, Lewis BA, Edwardson SE, Obendorf RL (2001) Minerals, phytic acid, tannin and rutin in buckwheat seed milling fractions, Journal of the Science of Food and Agriculture, 81, 1094-1100
  • Obendorf RL, Steadman KJ, Fuller DJ, Horbowicz M, Lewis BA (2000) Molecular structure of fagopyritol A1 (O-alpha-D-galactopyranosyl-(1 --> 3)-D-chiro-inositol) by NMR, Carbohydrate Research, 328, 623-627
  • Steadman KJ, Burgoon MS, Schuster RL, Lewis BA, Edwardson SE, Obendorf RL (2000) Fagopyritols, D-chiro-inositol, and other soluble carbohydrates in buckwheat seed milling fractions, Journal of Agricultural and Food Chemistry, 48, 2843-7
  • Pritchard HW, Steadman KJ, Nash JV, Jones C (1999) Kinetics of dormancy loss and the high temperature response in Aesculus hippocastanum seeds, Journal of Experimental Botany, 50, 1507-1514
  • Steadman KJ, Obendorf RL (1998) The use of buckwheat bran milling fraction in bread, Advances in Buckwheat Research, 21-26 pages
  • Steadman KJ, Pritchard HW, Dey PM (1996) Tissue specific soluble sugars in seeds as indicators of storage category, Annals of Botany, 77, 667-674
  • Pritchard HW, Haye AJ, Wright WJ, Steadman KJ (1995) A comparative study of seed viability in Inga species: Desiccation tolerance in relation to the physical characteristics and chemical composition on the embryo, Seed Science and Technology, 23, 85-100
  • Bempong DK, Houghton PJ, Steadman K (1993) The xanthine content of guarana and its preparations, International Journal of Pharmacognosy, 31, 175-181

Profile Details

Last Verified: 11/14/2009

COS Expertise ID #1035565
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