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2004
Sullivan, M.L., Hatfield, R.D., Thoma, S.L., Samac, D.A. 2004. Cloning and characterization of red clover polyphenol oxidase cDNAs and expression of active protein in Escherichia coli and transgenic alfalfa. Plant Physiology. 136:3234-3244. [pdf 259k]
2003
O'Neill, N.R., Bauchan, G.R., Samac, D.A. 2003. Reactions in the annual Medicago spp. core germ plasm collection to Phoma medicaginis. Plant Disease. 87(5):557-562. [pdf 88 k]
2002
Saruul, P., Srienc, F., Somers, D.A., Samac, D.A. 2002. Production of a biodegradable plastic polymer, poly-B-hydroxybutyrate, in transgenic alfalfa. Crop Science. 42:919-927. [pdf 216 k]
Xiao, K., Kinkel, L.L., Samac, D.A. 2002. Biological control of Phytophthora root rots on alfalfa and soybean with Streptomyces. Biological Control. 23:285-295. [pdf 153 k]
2001
Samac, D.A., Kinkel, L.L. 2001. Suppression of the root-lesion nematode (Pratylenchus penetrans) in alfalfa (Medicago sativa) by Streptomyces spp. Plant and Soil. 235:35-44. [pdf 532 k]
Tesfaye, M., Temple, S.J., Allan, D.L., Vance, C.P., Samac, D.A. 2001. Overexpression of malate dehydrogenase in transgenic alfalfa enhanced organic acid synthesis and confers tolerance to aluminum. Plant Physiology. 127:1836-1844. [pdf 200 k]
2000
Lamb, J.F.S., Samac, D.A., Barnes, D.K., Henjum, K.I. 2000. Increased herbage yield in alfalfa associated with selection for fibrous and lateral roots. Crop Science. 40:693-699. [pdf 108 k]
Schoenbeck, M.A., Temple, S.J., Trepp, G.B., Blumenthal, J.M., Samac, D.A., Gantt, J.S., Hernandez, G., Vance, C.P. 2000. Decreased NADH glutamate synthase activity in nodules and flowers of alfalfa (Medicago sativa L.) transformed with an antisense glutamate synthase transgene. Journal of Experimental Botany. 51(342):29-39. [pdf 407 k]
1999
Schoenbeck, M.A., Samac, D.A., Fedorova, M., Gregerson, R.G., Gantt, J.S., Vance, C.P. 1999. The alfalfa (Medicago sativa) TDY1 gene encodes a mitogen-activated protein kinase homolog. Molecular Plant-Microbe Interactions. 12(10):882-893. [pdf 322 k]
Trepp, G.B., van de Mortel, M., Yoshioka, H., Miller, S.S., Samac, D.A., Gantt, J.S., Vance, C.P. 1999. NADH-glutamate synthase in alfalfa root nodules. Genetic regulation and cellular expression. Plant Physiology. 119:817-828. [pdf 2,412 k]
Yoshioka, H., Gregerson, R.G., Samac, D.A., Hoevens, K.C.M., Trepp, G., Gantt, J.S., Vance, C.P. 1999. Aspartate aminotransferase in alfalfa nodules: localization of mRNA during effective and ineffective nodule development and promoter analysis. Molecular Plant Microbe Interactions. 12(4):263-274. [pdf 594 k]
1998
Baldridge, G.D., O'Neill, N.R., Samac, D.A. 1998. Alfalfa (Medicago sativa L.) resistance to the root-lesion nematode, Pratylenchus penetrans: defense-response gene mRNA and isoflavonoid phytoalexin levels in roots. Plant Molecular Biology. 38:999-1010. [pdf 147 k]
Samac, D.A., Nix, R.J., Oleson, A.E. 1998. Transmission frequency of Clavibacter michiganensis subsp. insidiosus to alfalfa seed and identification of the bacterium by PCR. Plant Disease. 82(12):1362-1367. [pdf 162 k]
1997
Pathirana, M.S., Samac, D.A., Roeven, R., Yoshioka, H., Vance, C.P., Gantt, J.S. 1997. Analyses of phosphoenolpyruvate carboxylase gene structure and expression in alfalfa nodules. The Plant Journal. 12(2):293-304. [pdf 1,135 k]
1996
Jones, C.R., Samac, D.A. 1996. Biological control of fungi causing alfalfa seedling damping-off with a disease-suppressive strain of Streptomyces. Biological Control. 7:196-204. [pdf 100 k]
1995
Vance, C.P., Miller, S.S., Gregerson, R.G., Samac, D.A., Robinson, D.L., Gantt, J.S. 1995. Alfalfa NADH-dependent glutamate synthase: structure of the gene and importance in symbiotic N2 fixation. The Plant Journal. 8(3):345-358. [pdf 1,942 k]
1991
Samac, D.A., Shah, D.M. 1991. Developmental and pathogen-induced activation of the Arabidopsis acidic chitinase promoter. The Plant Cell. 3:1063-1072. [pdf 1,046 k]
1990
Samac, D.A., Hironaka, C.M., Yallaly, P.E., Shah, D.M. 1990. Isolation and characterization of the genes encoding basic and acidic chitinase in Arabidopsis thaliana. Plant Physiology. 93:907-914. [pdf 870 k]
