You are here



Below are papers published by members of our group on weedy rice genetics and evolution. Papers resulting from our current grant are indicated by a *

*Thurber, C.S., M.H. Jia, Y. Jia, and A.L. Caicedo. 2013. Similar traits, different genes? Examining convergent evolution in related weedy rice populations. Molecular Ecology, 22: 685–698.. Link
*Vigueira, C.C., K.M. Olsen ,and A.L. Caicedo. 2012. The red queen in the corn: Agricultural weeds as models of rapid adaptive evolution. Heredity. advance online publication 28 November 2012; doi: 10.1038/hdy.2012.104. Link

Lee, S., Y. Jia, M. Jia, D.R. Gealy, K.M. Olsen, and A.L. Caicedo. 2011. Molecular evolution of the rice blast resistance gene Pi-ta in invasive weedy rice in the USA. PLos ONE 6: e26260.

Reagon, M., C.S. Thurber, K.M. Olsen, Y. Jia, A.L. Caicedo. 2011. The long and the short of it: SD1 polymorphism and the evolution of growth trait divergence in U.S. weedy rice. Molecular Ecology 20: 3743-3756. Link
Thurber, C.S., P.K. Hepler, and A.L. Caicedo. 2011. Timing is everything: early degradation of abscission layer is associated with increased seed shattering in U.S. weedy rice. BMC Plant Biology 11: 14. Link
Thurber, C.S., M. Reagon, B.L. Gross, K.M. Olsen, Y. Jia, and A.L. Caicedo. 2010. Molecular evolution of shattering loci in U.S. weedy rice. Molecular Ecology, 19: 3271-3284. Link
Gross, B.L., M. Reagon, S.C. Hsu, A.L. Caicedo, Y. Jia, and K.M. Olsen. 2010. Seeing red: the origin of grain pigmentation in US weedy rice. Molecular Ecology 19: 3380-3393. Link
Reagon, M., C.S. Thurber, B.L. Gross, K.M. Olsen, Y. Jia, and A.L Caicedo. 2010. Genomic patterns of nucleotide diversity in divergent populations of U.S. weedy rice. BMC Evolutionary Biology 10: 180. Link
Shivrain, V.K., N.R. Burgos, M.A. Sales, and Y.I. Kuk. 2010.  Polymorphisms in the ALS gene of weedy rice accessions with different tolerance to imazethapyr. Crop Prot. 29: 336–341. Link
Lee, S, S. Costanzo, Y. Jia, K.M. Olsen, and A.L. Caicedo. 2009. Evolutionary dynamics of the genomic region around the blast resistance gene Pi-ta in AA genome Oryza species. Genetics 183: 1315-1325. Link
Gross, B.L., K.J. Skare, and K.M. Olsen. 2009. Novel Phr1 mutations and the evolution of phenol reaction variation in US weedy rice (Oryza sativa L.). New Phytologist 184: 842-850. Link
Shivrain, V. K., N. R. Burgos, D. R. Gealy, K. L. Smith, R. C. Scott, A. Mauromoustakos, and H. Black.  2009.  Red rice (Oryza sativa L.) emergence characteristics and influence on rice (O. sativa L.) yield at different planting dates. Weed Science 57: 94-102. Link
Shivrain, V.K., N.R. Burgos, M.A. Sales, A. Mauromoustakos, D.R. Gealy, K.L. Smith, H.L. Black, M. Jia. 2009. Factors affecting the outcrossing rate between ClearfieldTM rice and red rice (Oryza sativa). Weed Science. 57: 394-403. Link
Shivrain, V.K., N.R. Burgos, D.R. Gealy, M.A. Sales, and K.L. Smith. 2009. Gene flow from weedy rice (Oryza sativa L.) to cultivated rice and fitness of hybrids. Pest Manag. Sci. DOI 10.1002/ps.1802. Link
Gealy, D.R., Agrama, H., Eizenga, G.C. 2009. Exploring genetic and spatial structure of U.S. weedy red rice (Oryza sativa L.) populations in relation to rice relatives worldwide. Weed Science. 57:627-643. Link
Gealy, D.R., Bryant, R.J. 2009. Seed physicochemical characteristics of field-grown U.S. weedy red rice biotypes: Contrasts with commercial cultivars. Journal of Cereal Science. 49:239-245. Link
Gealy, D.R., Estorninos, L. 2008. Use of SSR markers to discern reciprocal outcrossing rates between weedy red rice types and rice cultivars having different degrees of flowering synchronization. Rice Technical Working Group Meeting Proceedings. p. 147. Link
Shivrain, V. K., N. R. Burgos, D. R. Gealy, K. A. K. Moldenhauer, and C. J. Baquireza. 2008. Maximum outcrossing rate and genetic compatibility between red rice (Oryza sativa) biotypes and ClearfieldTM rice. Weed Science. 56: 807-813. Link
Kuk, Y. I., N. R. Burgos, and V. K. Shivrain. 2008. Natural tolerance to imazethapyr in red rice. Weed Science. 56: 1-11. Link
Zhang, J., N.R. Burgos, M, Kun, Y.J. Zhou, R.M. Geng, L. Yu. 2008. Genetic diversity and relationship of weedy rice in Taizhou City, Jiangsu Province, China. Rice Sci. 15: 395-302. Link
Burgos, N. R., J. K. Norsworthy, R. C. Scott, and K. L. Smith. 2008.  Red rice status after five years of ClearfieldTM rice technology in Arkansas. Weed Technol. 22: 200-208. Link
Sales, M. A., V. K. Shivrain, N. R. Burgos, and Y. I. Kuk. 2008. Amino acid substitutions in the acetolactate synthase gene of red rice confer resistance to imazethapyr herbicide. Weed Science. 56: 485-489. Link
Caicedo, A.L.†, S.H. Williamson†, R.D. Hernandez, A. Boyko, A. Fledel-Alon, T.L. York, N. Polato, K.M. Olsen, R. Nielsen, S. McCouch, C.D. Bustamante, and M.D. Purugganan. 2007. Genome-wide patterns of nucleotide polymorphism in domesticated rice. PLoS Genetics 3: e163. †shared first authorship Link
Olsen, K.M., A.L. Caicedo, and Y. Jia. 2007. Evolutionary genomics of weedy rice in the U.S.A. Journal of Integrative Plant Biology 49, 811-816. Link
Shivrain, V. K., N. R. Burgos, M. M. Anders, S. N. Rajguru, J. Moore, and M. A. Sales.  2007.  Gene flow between Clearfield rice and red rice. Crop Prot. 26: 349-356. Link
Gealy, D.R., Agrama, H.A., Wilson,Jr., C.E., Estorninos, Jr, L.E. 2007. Structure Analysis of Several Red Rice Populations in Arkansas: DNA Marker Evidence for Gene Flow with Rice. University of Arkansas Agricultural Experiment Station Research Series 550:74-83. Link
Shivrain, V.K., Burgos, N.R., Bullington, J.A., Gealy, D.R., Black, H.L. 2007. Outcrossing frequency and phenotypes of outcrosses based on flowering of red rice accessions and Clearfield cultivars in the Grand Prairie. Agricultural Experiment Station Research Series 550:237-244. Link
Delouche, J.C., Burgos, N.R., Gealy, D.R., De San Martin, G.Z., Labrada, R., Larinde, M., Rosell, C. 2007. Weedy Rices-Origin, Biology, Ecology, and Control. FAO Plant Production and Protection Paper 188, FAO Rome. 144 p. Link
Shivrain, V. K., N. R. Burgos, K. A. K. Moldenhauer, R. W. McNew, and T. L. Baldwin.  2006.  Characterization of spontaneous crosses between Clearfield rice (Oryza sativa) and red rice (O. sativa).  Weed Technol. 20: 576-584. Link
Rajguru, S. N., N. R. Burgos, V. K Shivrain, J.McD. Stewart.  2005.  Mutations in red rice ALS gene associated with resistance to imazethapyr.  Weed Science. 53: 567-577. Link