Karen L. Koster, Ph.D.

Department of Biology
The University of South Dakota
414 E. Clark Street
Vermillion, SD 57069
Phone: 1-605-677-6173
Fax: 1-605-677-6557
E-mail: Karen.Koster@usd.edu

Nguyen, H., Park, H., Koster KL, Cahoon R, Nguyen H, Shanklin J, Clemente T, Cahoon E. 2014. Redirection of Metabolic Flux for High Levels of Omega-7 Monounsaturated Fatty Acid Accumulation in Camelina Seeds. Plant Biotechnology Journal (accepted for publication, June 2014).

Garvey CJ, Lenné T, Koster KL, Kent B, Bryant G. 2013. Phospholipid Membrane Protection by Sugar Molecules during Dehydration—Insights into Molecular Mechanisms Using Scattering Techniques.  International Journal of Molecular Sciences. 14(4): 8148-8163.

Walters CT, GM Volk, KL Koster, PC Stanwood, LE Towill. 2011. Long-term survival of cryopreserved germplasm: Contributing factors and assessments from 30 year old experiments. Acta Horticulturae (ISHS) 908: 113-120.

Koster, K.L., R.A. Balsamo, C. Espinoza, M.J. Oliver. 2010. Desiccation sensitivity and tolerance in the moss Physcomitrella patens: assessing limits and damage. Plant Growth Regulation 62: 293-302. DOI: 10.1007/s10725-010-9490-9

Oliver, M.J., J.C. Cushman, K.L. Koster. 2010. Dehydration tolerance in plants. (Review) in R Sunkar, ed. Plant Stress Tolerance, Methods in Molecular Biology, 639: 3-24. Springer-Verlag. DOI: 10.1007/978-1-60761-702-0_1

Lenné, T., C.J. Garvey, K.L. Koster, G. Bryant. 2010. Kinetics of the lamellar gel-fluid transition in phosphatidylcholine membranes in the presence of sugars. Chemistry and Physics of Lipids 163: 236-242. DOI: 10.1016/j.chemphyslip.2009.12.001

Lenné, T.; C.J. Garvey, K.L. Koster, G. Bryant. 2009. The effects of sugars on lipid bilayers during dehydration: SAXS/WAXS measurements and quantitative model. Journal of Physical Chemistry B 113: 2486-2491. DOI: 10.1021/jp808670t

Walters, C., K.L. Koster. 2007. Structural dynamics and desiccation damage in plant reproductive organs. in M.A. Jenks, A. Wood, eds., Plant Desiccation Tolerance, Blackwell Publishing, Inc. Oxford, U.K. ISBN: 9780813812632.

Lenné, T., G. Bryant, R. Holcomb, K.L. Koster. 2007. How much solute is needed to inhibit the fluid-gel membrane phase transition at low hydration? Biochimica et Biophysica Acta - Biomembranes 1768: 1019-1022.

Halperin, S.J., K.L. Koster. 2006. Sugar effects on membrane damage during desiccation of pea embryo protoplasts. Journal of Experimental Botany 57: 2303-2311.

Mo B., K.L. Koster. 2006. Changes in lipoxygenase isoforms during germination and early seedling growth of Pisum sativum L. Seed Science Research 16: 97-106..

Koster, K.L. and G. Bryant. 2006. Dehydration in model membranes and protoplasts: contrasting effects at low, intermediate and high hydrations. in T.H.H Chen, M. Uemura, S. Fujikawa, eds., Cold Hardiness in Plants, CABI, Wallingford, UK. pp. 219-234.

Lenné, T., G. Bryant, C.J. Garvey, U. Keiderling, K.L. Koster. 2006. Location of sugars in multilamellar membranes at low hydration. "International Conference on Neutron Scattering 2005", Physica B 385-386: 862-864.

Lenné, T., G. Bryant, K. Koster. 2005. Quantitative study on the effects of sugars on membrane phase transitions ­ preliminary investigations. Proceedings of 16th Congress of the AIP, ISBN 0-9598064-8-2.

Goodman, B.E., K.L. Koster, P.L. Redinius. 2005. Comparing biology majors from large lecture classes with TA-facilitated laboratories to those from small lecture classes with faculty-facilitated laboratories. Advances in Physiology Education 29: 112-117.

Hejl, A.M. and K.L. Koster. 2004. The allelochemical sorgoleone inhibits root H+-ATPase and water uptake. Journal of Chemical Ecology 30: 2181-2191.

Bryant, G. and K.L. Koster. 2004. Dehydration of solute-lipid systems: Hydration forces analysis. Colloids & Surfaces B: Biointerfaces 35: 73-79

Hejl, A.M. and K.L. Koster. 2004. Juglone disrupts root plasma membrane H+-ATPase activity and impairs water uptake, whole leaf photosynthesis, root respiration, and growth in soybean (Glycine max) and corn (Zea mays). Journal of Chemical Ecology 30: 453-471.

Koster, K.L., N. Reisdorph, and J.L. Ramsay. 2003. Changing desiccation tolerance of pea embryo protoplasts during germination. Journal of Experimental Botany 54: 1607-1614.

Koster, K.L., K.J. Maddocks, and G. Bryant. 2003. Exclusion of maltodextrins from phosphatidylcholine multilayers during dehydration: effects on membrane phase behaviour. European Biophysics Journal 32: 96-105.

Ramsay, J.L. and K.L. Koster. 2002. A comparison of anhydrous fixation methods for the observation of pea embryonic axes (Pisum sativum L. cv Alaska). Seed Science Research 12: 83-90.

Wolfe, J., G. Bryant, and K.L. Koster. 2002. What is 'unfreezable water', how unfreezable is it and how much is there? Cryo-Letters 23: 157-166.

Xiao, L. and K.L. Koster. 2001. Desiccation tolerance of protoplasts isolated from pea embryos. Journal of Experimental Botany 52: 2105-2114.

Koster, K.L. 2001. Effects of sugars on phospholipid phase transitions -- relevance to dehydration tolerance. Cryobiology and Cryotechnology 47: 26-32.

Bryant, G., K.L. Koster, and J. Wolfe. 2001. Membrane behaviour in seeds and other systems at low water content: the various effects of solutes. Seed Science Research 11: 17-25.

Koster, K.L., Y.P. Lei, M. Anderson, S. Martin, and G. Bryant. 2000. Effects of vitrified and non-vitrified sugars on phosphatidylcholine fluid-to-gel phase transitions. Biophysical Journal 78: 1932-1946.

Edwards, J.R., K.L. Koster, and D.L. Swanson. 2000. Time course for cryoprotectant synthesis in the freeze-tolerant chorus frog, Pseudacris triseriata. Comparative Biochemistry and Physiology A 125: 367-375.

Reisdorph, N.A. and K.L. Koster. 1999. Progressive loss of desiccation tolerance in germinating pea (Pisum sativum) seeds. Physiologia Plantarum 105: 266-271.

Koster, K.L., C.L. Sommervold, and Y.P. Lei. 1996. The effect of storage temperature on interactions between dehydrated sugars and phosphatidylcholine. Journal of Thermal Analysis 47: 1581-1596.

Swanson D.L., B.M. Graves, and K.L. Koster. 1996. Freezing tolerance/intolerance and cryoprotectant synthesis in terrestrially overwintering anurans in the Great Plains, USA. Journal of Comparative Physiology B 166: 110-119.

Koster, K.L., M.S. Webb, G. Bryant, and D.V. Lynch. 1994. Interactions between soluble sugars and POPC (1 palmitoyl 2 oleoyl phosphatidylcholine) during dehydration: vitrification of sugars alters the phase behavior of the phospholipid. Biochimica et Biophysica Acta 1193: 143-150.

Koster, K.L., M.A. Tengbe, V. Furtula, and E.A. Nothnagel. 1994. Low temperature effects on lateral diffusion in plasma membranes of maize (Zea mays L.) root cortex protoplasts: relevance to chilling sensitivity. Plant, Cell & Environment 17: 1285-1294.

Koster, K.L. and D.V. Lynch. 1992. Solute accumulation and compartmentation during the cold acclimation of Puma rye. Plant Physiology 98:108-113.

Koster, K.L. 1991. Glass formation and desiccation tolerance in seeds. Plant Physiology 96: 302-304.

Koster KL, AC Leopold. 1988. Sugars and desiccation tolerance in seeds. Plant Physiology 88: 829-832.

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