Giles Oldroyd
Home Research Medicago trunculata as a model legume Genetic dissection of the Sym pathway Calcium as a secondary messenger in the Sym pathway Making a nodule The regulation of nodulation by hormones People Publications Contact Us

Publications

Peiter, E, Sun, J, Heckmann, A, Venkateschwaran, M, Riley, B, Otegui, M, Edwards, A, Freshour, G, Hahn, M, Cook, D, Sanders, D, Oldroyd, G, Downie, JA, Ane, J-M. (2007) The Medicago truncatula DMI1 protein modulates cytosolic calcium signaling. Plant Physiology 145, 192-203.

Oldroyd, G (2007). Nodules and Hormones. Science 315: 52-53

Middleton, P, Jakab, J, Penmetsa, V, Starker, C, Doll, J, Kalo, P, Prabu, R, Marsh, J, Mitra, R, Kereszt, A, Dudas B, VandenBosch, K, Long, S, Cook, D, Kiss, G and Oldroyd, G. (2007). An ERF transcription factor in Medicago truncatula that is essential for Nod factor signal transduction. Plant Cell 19: 1221-1234

Long, S, Marsh, J, Rakocevic, A, Mitra, R, Brocard, L, Sun, J, Eschstruth, A, Schultze, M, Ratet, P and Oldroyd, G (2007). Medicago truncatula NIN is essential for nodule organogenesis in the absence of rhizobial infection. Plant Physiology 144: 324-335

Sun J, Miwa H, Downie A and Oldroyd G (2007). Mastoparan activates calcium spiking analogous to Nod factor-induced responses in Medicago truncatula root hair cells. Plant Physiology, 144; 695-702

Cannon, S, Sterck, L, Rombauts, S, Sato, S, Cheung, F, Gouzy, J, Wang, X, Mudge, J, Vasdewani, J, Schiex, T, Spannagl, M, Monaghan, E, Nicholson, C, Humphray, S, Schoof, H, Mayer, K, Rogers, J, Quetier, F, Oldroyd, G, Debelle, F, Cook, D, Retzel, E, Roe, B, Town, C, Tabata, S, Van de Peer, Y and Young N. (2006) Legume genome evolution viewed through the Medicago truncatula and Lotus japonicus genomes. Proc Natl Acad Sci 103: 14959-14964

Gleason C, Chaudhuri S, Yang T, Munoz, A, Poovaiah B, and Oldroyd G. 2006 Legume nodulation independent of rhizobia is induced by a calcium activated kinase lacking autoinhibition. Nature 441: 1149-1152

Sun, J. H., Cardoza, V., Mitchell, D. M., Bright, L., Oldroyd, G., and Harris, J. M. (2006) Crosstalk between jasmonic acid, ethylene and Nod factor signaling allows integration of diverse inputs for regulation of nodulation, Plant J 46, 961-970.

Miwa, H, Sun, J, Oldroyd, G and Downie A (2006). Analysis of calcium spiking using a cameleon calcium sensor reveals that nodulation gene expression is regulated by calcium spike number and the developmental status of the cell. Plant J. 48: 883-894

Miwa, H, Sun, J, Oldroyd, G, Downie, A 2006 Analysis of Nod-factor-induced calcium signaling in root hairs of symbiotically defective mutants of Lotus japonicus. Mol Plant Microbe Interactions 19: 914-923

Oldroyd G and Downie A. 2006 Nuclear calcium changes at the core of symbiosis signaling. Current Opinion in Plant Biology 9, 351-357

Kaló P, Gleason C, Edwards A, Marsh J, Mitra R, Hirsch S, Jakab J, Sims S, Long S, Rogers J, Kiss G, Downie J A and Oldroyd G. (2005) Nodulation signaling in legumes requires NSP2, a member of the GRAS family of transcriptional regulators. Science 308:1786-1789

Oldroyd G, Harrison M and Udvardi M (2005). Peace talks and trade deals. Keys to long term harmony in legume-microbe symbioses. Plant Physiology 137:1205-1210

Oldroyd G and Downie J. A (2004). Calcium, kinases and nodulation signaling in legumes. Nature Reviews: Molecular Cell Biology 5: 566-576

Mitra, R, Gleason C, Edwards A, Hadfield J, Downie J. A, Oldroyd G & Long S (2004). A calcium/calmodulin-dependent protein kinase required for symbiotic nodule development: identification by transcript-based cloning. Proc. Natl. Acad. Sci. USA 101: 4701-4705

Ane, J-M et al. (2004) A novel protein required for bacterial and fungal symbioses in legumes. Science 303:1364-1367

Amor B, Shaw S, Oldroyd G, Maillet F, Penmetsa V, Cook D, Long S, Denarie J and Gough C (2003) The NFP locus of Medicago truncatula controls an early step of Nod factor signal transduction upstream of a rapid calcium flux and root hair deformation. Plant J. 34: 495-506

Oldroyd G and Long S. (2003) Identification and characterization of NSP2, a gene of Medicago truncatula involved in Nod factor signaling. Plant Physiol 131: 1027-1032

Oldroyd G and Geurts R. (2001) Medicago truncatula, going where no plant has gone before. (Meeting report for the 4th Workshop on Medicago truncatula, July 7th-10th 2001, Madison WI). Trends in Plant Science 6: 552-554.

Oldroyd G., Mitra R., Wais R. and Long S. (2001). Evidence for structurally specific negative feedback in the Nod factor signal transduction pathway. Plant J. 28: 1-12.

Oldroyd G., Engstrom E. and Long S. (2001). Ethylene inhibits the Nod factor signal transduction pathway of Medicago truncatula. Plant Cell 13: 1835-49.

Oldroyd G. (2001). Dissecting symbiosis: developments in Nod factor signal transduction. Annals of Botany 87: 709-718.

Oldroyd G.1, Wais R.1, Galera C.1, Catoira R., Penmetsa R., Cook D., Gough C., Dénarié J and Long S. (2000) Genetic analysis of calcium spiking in nodulation mutants of Medicago truncatula. Proc. Natl. Acad. Sci. USA 97: 13407-13412

1 these authors contributed equally