Qualifications & Appointments
MSc (Botany / Biochemistry), University of Graz, Austria, 1991
PhD (Botany / Biochemistry), University of Graz, Austria, 1995
APART Alumna of the Austrian Academy of Sciences, 2000
Univ. Doz. (Reader) in Plant Physiology (Graz University) 2002
Member of Federation of European Societies of Plant Biology (FESPP) and The International Society for Seed Science (ISSS)
To conduct scientific research in the area of seed biology and biochemistry in support of the Millennium Seed Bank Partnership and Kew’s Corporate Plan; To produce high-quality scientific outputs and provide leadership in the area of seed biochemistry internationally.
Main research interests:
Plant stress physiology: free radicals, antioxidants and redox signalling; Survival strategies of plants in extreme environments; Biochemical mechanisms, development and evolution of desiccation tolerance and sensitivity; Programmed cell death; Non-invasive techniques, e.g., headspace GC-MS and infrared thermography; Lipid peroxidation, (seed) fats and fatty acids, and lipid peroxidation by-products including volatile hydrocarbons; Biochemical markers of seed quality; Chemical traits of seeds, including nutritional values (carbohydrates, proteins, fats).
Successful grant applications:
Total funding (since 1991): ~£1m .
Recent and current grants (>2006) include:
• Leverhulme Trust (UK) grant F/00731C ‘Reactive oxygen species and seed quality’ (2005-2009); PI: IK, co-investigators Prof. Richard Beckett and Dr. Farida Minibayeva; £ 98k.
• Joint British Council and French Embassy / German Academic Exchange Service grants: Alliance / ARC; PI: IK in collaboration with Prof. Christophe Bailly and PD Dr. Gerhard Leubner-Metzger, respectively, ‘Reactive oxygen species in seed ageing and in the alleviation of dormancy in the dry state’ (2007 – 2009); £~12k.
• COST Action FA0901 ‘Putting halophytes to work – from genes to ecosystems’ (2009 – 2013; management committee member; Chair: Prof. Timothy Flowers), € 400k, 2009-2013.
• Kew-INPA collaboration ’Morpho-physiological aspects of tree seeds from the Amazon and their implications on seed storage’ (2009-2013; PI: Dr Isolde Ferraz, INPA, Manaus, Brazil); £165k.
Supervisor and co-supervisor of PhD students (7 completed, 1 ongoing), MSc students (3 completed), external examiner of PhD and MSc theses (6).
Scientific interests and publishing:
• Published >50 original papers and book chapters in co-authorship with 23 institutions in 13 countries; cumulative citation of ~700; h-index=15; cumulative impact factor=135 (17 of which between 2006-2011 with a cumulative impact factor of 84).
• 12 invited / keynote / plenary lectures at international conferences.
• 20 invited lectures and seminar talks at universities, research institutes and industry (Austria, Germany, India, Nepal, South Africa, Switzerland, UK).
• ~60 oral and poster presentations at international conferences.
• Edited 1 book, currently co-authoring another book.
• Chair of the Departmental Science and Technology Group (SCD, Kew), 2005-2010.
• Managing editor for Plant Growth and Regulation.
• Editorial board member of Bentham’s The Open Plant Science Journal.
• Regular reviewer for scientific journals (>200 reviews for >30 journals).
• Regular grant reviewer (e.g., NRF > £250k; BSF > $500k; BARD ~$100k; OKTA ~28m HUF; BBSRC ~£635k).
- Climate Change, Species Vulnerability and Germination Thresholds
- Cryo-conservation Centres of Excellence
- Reactive Oxygen Species as Markers of Seed Quality
- Understanding “Stress” and How To Measure It
- Non-Invasive Techniques for Diagnosing Seed Viability
- Identifying New Oilseed Crops
- Survival of Legume Seeds
- Oxidative Stress and Death Phenomena
- Role of Glutathione and Low-Molecular-Weight Thiols in Seed Survival
- Systematic Phytochemistry of Legumes
- Taxonomy of Vitamin E Distribution Across the Plant Kingdom
Selected Recent Publications
Kranner, I., Beckett, R.P., Minibayeva, F.V. & Seal, C.E. (2010) Tansley review: What is stress? Concepts, definitions and applications in seed science. New Phytologist 188: 655-673 (IF=6.516; times cited=10).
Kranner, I., Kastberger, G., Hartbauer, M. & Pritchard, H.W. (2010.) Non-invasive diagnosis of seed viability using infrared thermography. Proceedings of the National Academy of Sciences of the United States of America 107: 3912-3917 (IF=9.771; times cited=4).
Roach, T., Beckett, R.P., Minibayeva, F.V., Colville, L., Whitaker, C., Chen, H., Bailly, C. & Kranner I. (2010) Extracellular superoxide production, viability and redox poise in response to desiccation in recalcitrant Castanea sativa seeds. Plant, Cell and Environment 33: 59-75 (IF=5.145; times cited=15).
Oracz, K., El Maarouf-Bouteau, H., Kranner, I., Bogatek, R., Corbineau, F. & Bailly, C. (2009) The mechanisms involved in seed dormancy alleviation by hydrogen cyanide unravel the role of reactive oxygen species as key factors of cellular signaling during germination. Plant Physiology 150: 494-505 (IF=6.451; times cited=34).
Kranner, I., Birtić, S., Anderson, K.M. & Pritchard, H.W. (2006) Glutathione half-cell reduction potential: A universal stress marker and modulator of programmed cell death? Free Radical Biology and Medicine 40: 2155-2165 (IF=5.707; times cited=62).
Selected Earlier Publications
Kranner, I. & Birtic, S. (2005) A modulating role for antioxidants in desiccation tolerance. Integrative and Comparative Biology 45: 734-740 (IF=2.626;times cited=58).
Kranner, I., Cram, W.J., Zorn, M., Wornik, S., Yoshimura, I., Stabentheiner, E. & Pfeifhofer, H.W. (2005) Antioxidants and photoprotection in a lichen as compared with its isolated symbiotic partners. Proceedings of the National Academy of Sciences of the United States of America 102: 3141-3146 (IF=9.771; times cited=50).
Kranner, I., Zorn, M., Turk, B., Wornik, S. & Batić, F. (2003) Biochemical traits of lichens differing in relative desiccation tolerance. New Phytologist 160: 167-176 (IF=6.516; times cited=28).
Kranner, I., Beckett, R.P., Wornik, S., Zorn, M. & Pfeifhofer, H.W. (2002) Revival of a resurrection plant correlates with its antioxidant status. The Plant Journal 31: 13-24 (IF=6.948; times cited=82).
Kranner, I. (2002) Glutathione status correlates with different degrees of desiccation tolerance in three lichens. New Phytologist 154: 451-460 (IF=6.516; times cited=35).