Publications (Clicking on the reprint icon will take you to the publication reprint.)

Stemphylium leaf spot of parsley in California caused by Stemphylium vesicarium - (Peer Reviewed Journal)

Koike, S.B., Oneill, N.R., Van Berkum, P.B., Wolf, J.E., Daugovish, O. 2013. Stemphylium leaf spot of parsley in California caused by Stemphylium vesicarium. Plant Disease. 97:315-322.

Development and application of a multilocus sequence analysis method for the identification of genotypes within genus Bradyrhizobium and for establishing nodule occupancy of soybean (Glycine max L. Merr) - (Peer Reviewed Journal)

Van Berkum, P.B., Elia, P.E., Song, Q., Eardly, B. 2012. Development and application of a multilocus sequence analysis method for the identification of genotypes within genus Bradyrhizobium and for establishing nodule occupancy of soybean (Glycine max L. Merr). Molecular Plant-Microbe Interactions. 25(3):321-330.

Sinorhizobium meliloti strains TII7 and A5 by Multilocus Sequence Typing (MLST) have chromsomes identical with Rm1021 and form an effective and ineffective symbiosis with Medicago truncatula line Jemalong A17, respectively - (Peer Reviewed Journal)

Zribi, K., Mhadhbi, H., Badri, Y., Aouani, M.E., Van Berkum, P.B. 2011. Sinorhizobium meliloti strains TII7 and A5 by Multilocus Sequence Typing (MLST) have chromsomes identical with Rm1021 and form an effective and ineffective symbiosis with Medicago truncatula line Jemalong A17, respectively. Canadian Journal of Microbiology. 59:996-1002.

Evidence for an American origin of the genes for symbiosis in R. lusitanum - (Peer Reviewed Journal)

Valverde, A., Velazquez, E., Cervantes, E., Igual, J.M., Van Berkum, P.B. 2011. Evidence for an American origin of the genes for symbiosis in R. lusitanum. Applied and Environmental Microbiology. 77(16):5665-5670.

Application of Multilocus Sequence Typing To Study the Genetic Structure of Megaplasmids in Medicago-Nodulating Rhizobia - (Peer Reviewed Journal)

Van Berkum, P.B., Elia, P.E., Eardly, B.D. 2010. Application of Multilocus Sequence Typing To Study the Genetic Structure of Megaplasmids in Medicago-Nodulating Rhizobia. Applied and Environmental Microbiology. 76:3967-3977.

Ensifer, Phyllobacterium and Rhizobium species occupy nodules of Medicago sativa (alfalfa) and Melilotus alba (sweet clover) grown at a Canadian site without a history of cultivation - (Peer Reviewed Journal)

Bromfield, E.S., Tambong, J.T., Cloutier, S., Prevost, D., Lagurerre, G., Van Berkum, P.B., Tran Thi, T.V., Assabgui, R., Barran, L.R. 2010. Ensifer, Phyllobacterium and Rhizobium species occupy nodules of Medicago sativa (alfalfa) and Melilotus alba (sweet clover) grown at a Canadian site without a history of cultivation. Microbiology. 156:505-520.

Rhizobia from Lanzarote, the Canary Islands, that nodulate Phaseolus vulgaris have characteristics in common with LMW RNA group II Sinorhizobium meliloti of Medicago, Melilotus and Trigonella from soils of mainland Spain - (Peer Reviewed Journal)

Zurdo-Pineiro, J.L., Garcia-Fraile, P., Rivas, R., Leon-Barrios, M., Willems, A., Mateos, P.F., Martinez-Molina, E., Velazquez, E., Van Berkum, P.B. 2009. Rhizobia from Lanzarote, the Canary Islands, that nodulate Phaseolus vulgaris have characteristics in common with LMW RNA group II Sinorhizobium meliloti of Medicago, Melilotus and Trigonella from soils of mainland Spain. Applied and Environmental Microbiology. 75:2354-2359.

Rhizobia from Lanzarote, the Canary Islands, that nodulate Phaseolus vulgars have characteristics in common with Sinorhizobium meliloti isolates from mainland Spain - (Peer Reviewed Journal)

Van Berkum, P.B., Elia, P.E., Peix, A., Garcia-Fraile, P., Leon-Barrios, M., Velazquez, E. 2009. Rhizobia from Lanzarote, the Canary Islands, that nodulate Phaseolus vulgars have characteristics in common with Sinorhizobium meliloti isolates from mainland Spain. Applied and Environmental Microbiology. 75(8):2354-2359.