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United States Department of Agriculture

Agricultural Research Service

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Robert R Klein (Bob)
Crop Germplasm Research
Research Geneticist (Plants)

Phone: (979) 777-4470
Fax: (979) 260-9333
Room 108
2881 F&B ROAD
COLLEGE STATION, TX, 77845

Projects
Innovative Genetic Approaches to Sorghum Germplasm Improvement and Analysis of Traits Critical to Hybrid Development
Appropriated (D)
  Accession Number: 424404
Sorghum: Characterization of Genes Involved in Fertility Restoration
Nonfunded Cooperative Agreement (N)
  Accession Number: 423168
Sequence-Based Genotyping, Bioinformatics, and Data Curation to Enhance Sorghum Germplasm Evaluation and Hybrid Development
Specific Cooperative Agreement (S)
  Accession Number: 427202
RE-INSTATEMENT OF THE SORGHUM CONVERSION PROGRAM
Trust (T)
  Accession Number: 418689

Publications (Clicking on the reprint icon Reprint Icon will take you to the publication reprint.)
The forest and the trees: Applications for molecular markers in the Pecan Breeding Program - (Peer Reviewed Journal) - (22-May-14)
Mapping and candidate genes associated with saccharification yield in sorghum - (Peer Reviewed Journal)
Wang, Y., Acharya, A., Burrell, A., Klein, R.R., Klein, P.E., Hasenstein, K.H. 2013. Mapping and candidate genes associated with saccharification yield in sorghum. Genome. 56:659-665.
Expanding and vetting Sorghum bicolor gene annotations through transcriptome and methylome sequencing - (Peer Reviewed Journal)
Olson, A.J., Klein, R.R., Dugas, D.V., Lu, Z., Regulski, M., Klein, P., Ware, D. 2014. Expanding and vetting Sorghum bicolor gene annotations through transcriptome and methylome sequencing. The Plant Genome. 7(2). Available: https://www.crops.org/publications/tpg/articles/7/2/plantgenome2013.08.0025.
Registration of partially converted germplasm from 44 accessions of the USDA-ARS Ethiopian and Sudanese sorghum collections - (Peer Reviewed Journal)
Klein, R.R., Miller, F.R., Klein, P.E., Burke, J.J. 2013. Registration of partially converted germplasm from 44 accessions of the USDA-ARS Ethiopian and Sudanese sorghum collections. Journal of Plant Registrations. 7(3):368-372.
Genetic structure and linkage disequilibrium in a diverse, representative collection of the C4 model plant, Sorghum bicolor - (Peer Reviewed Journal)
Wang, Y., Upadhyaya, H.D., Burrell, A., Sahraeian, S., Klein, R.R., Klein, P.E. 2013. Genetic structure and linkage disequilibrium in a diverse, representative collection of the C4 model plant, Sorghum bicolor. Genes, Genomes, Genetics. 3:783-793.
Targeted mapping of quantitative trait locus regions for rhizomatousness in chromosome SBI-01 and analysis of overwintering in a Sorghum bicolor x S. propinquum population - (Peer Reviewed Journal)
Washburn, J.D., Murray, S.C., Burson, B.L., Klein, R.R., Jessup, R.W. 2013. Targeted mapping of quantitative trait locus regions for rhizomatousness in chromosome SBI-01 and analysis of overwintering in a Sorghum bicolor x S. propinquum population. Molecular Breeding. 31:153-162.
Registration of a diverse collection of sorghum genetic stocks - (Peer Reviewed Journal)
Xin, Z., Burow, G.B., Woodfin, C.A., Franks, C., Klein, R.R., Schertz, K.F., Pederson, G.A., Burke, J.J. 2013. Registration of a diverse collection of sorghum genetic stocks. Journal of Plant Registrations. 7:119-124.
Functional annotation of the transcriptome of Sorghum bicolor in response to osmotic stress and abscisic acid - (Peer Reviewed Journal)
Dugas, D.V., Monaco, M.K., Olsen, A., Klein, R.R., Kumari, S., Ware, D., Klein, P.E. 2011. Functional annotation of the transcriptome of Sorghum bicolor in response to osmotic stress and abscisic acid. Biomed Central (BMC) Genomics. 12:Article 514.
Coincident light and clock regulation of pseudoresponse regulator protein 37 (PRR37) controls photoperiodic flowering in sorghum - (Peer Reviewed Journal)
Murphy, R.L., Klein, R.R., Morishige, D.T., Brady, J.A., Rooney, W.L., Miller, F.R., Dugas, D.V., Klein, P.E., Mullet, J.E. 2011. Coincident light and clock regulation of pseudoresponse regulator protein 37 (PRR37) controls photoperiodic flowering in sorghum. Proceedings of the National Academy of Sciences. 108(39):16469-16474.
Mapping and characterization of Rf5: A new gene conditioning pollen fertility restoration in A1 and A2 cytoplasm in sorghum (Sorghum bicolor (L.) Moench) - (Peer Reviewed Journal)
Jordan, D.R., Halloran, K., Henzell, R.G., Klein, R.R., Klein, P.E., Mace, E.S. 2011. Mapping and characterization of Rf5: A new gene conditioning pollen fertility restoration in A1 and A2 cytoplasm in sorghum (Sorghum bicolor (L.) Moench). Journal of Theoretical and Applied Genetics. 123(3):383-396.
Registration of the IS3620C/BTx623 recombinant inbred mapping population of sorghum (Sorghum bicolor L. [Moench.]) - (Peer Reviewed Journal)
Burow, G.B., Klein, R.R., Klein, P.E., Franks, C.D., Burke, J.J., Xin, Z., Pederson, G.A., Schertz, K.F. 2011. Registration of the IS3620C/BTx623 recombinant inbred mapping population of sorghum (Sorghum bicolor L. [Moench.]). Journal of Plant Registrations. 5(1):141-145.
Molecular mapping and candidate gene identification of the Rf2 gene for pollen fertility restoration in sorghum (Sorghum bicolor (L.) Moench) - (Peer Reviewed Journal)
Jordan, D.R., Mace, E.S., Henzell, R.G., Klein, P.E., Klein, R.R. 2010. Molecular mapping and candidate gene identification of the Rf2 gene for pollen fertility restoration in sorghum (Sorghum bicolor (L.) Moench). Theoretical and Applied Genetics. 120(7):1279-1287.
Early-generation germplasm introgression from Sorghum macrospermum into sorghum (S. bicolor) - (Peer Reviewed Journal)
Kuhlman, L.C., Burson, B.L., Stelly, D.M., Klein, P.E., Klein, R.R., Price, H.J., Rooney, W.L. 2010. Early-generation germplasm introgression from Sorghum macrospermum into sorghum (S. bicolor). Genome. 53:419-429.
A consensus genetic map of sorghum that integrates multiple component maps and high-throughput diversity array technology (DArT) markers - (Peer Reviewed Journal)
Mace, E.S., Rami, J., Bouchet, S., Klein, P.E., Klein, R.R., Kilian, A., Wenzl, P., Zia, L., Halloran, K., Jordan, D. 2009. A consensus genetic map of sorghum that integrates multiple component maps and high-throughput diversity array technology (DArT) markers. BMC Plant Biology. 9:13.
Molecular mapping of cgl, a gene for resistance to anthracnose (Collectotrichum sublineolum) in sorghum - (Peer Reviewed Journal)
Ramasamy, P., Menz, M.A., Metha, P.J., Katile, S., Gutierrez, R.L., Klein, R.R., Klein, P.E., Prom, L.K., Schlueter, J.A., Rooney, W.L., Magill, C.W. 2009. Molecular mapping of cgl, a gene for resistance to anthracnose (Collectotrichum sublineolum) in sorghum. Euphytica. 165:597-606.
Molecular mapping of Cg1, a gene for resistance to anthracnose (Colletotrichum sublineolum) in sorghum - (Peer Reviewed Journal) - (10-Aug-08)
Genetic recombination in Sorghum bicolor x S. macrospermum interspecific hybrids - (Peer Reviewed Journal)
Kuhlman, L.C., Burson, B.L., Klein, P.E., Klein, R.R., Stelly, D.M., Price, H.J., Rooney, W.L. 2008. Genetic recombination in Sorghum bicolor x S. macrospermum interspecific hybrids. Genome. 51:749-756.
The effect of tropical sorghum conversion and inbred development on gemnome diversity as revealed by high-resolution genotyping - (Peer Reviewed Journal)
Klein, R.R., Mullet, J.E., Jordan, D.R., Miller, F.R., Rooney, W.L., Menz, M.A., Franks, C.D., Klein, P.E. 2008. The effect of tropical sorghum conversion and inbred development on genome diversity as revealed by high-resolution genotyping. Crop Science. 48(S1):S12-S26.
Molecular mapping of cg1, a gene for resistance to anthracnose (Colletotrichum sublineolum) in sorghum - (Abstract Only)
Ramasamy, P., Menz, M.A., Mehta, P.J., Katile, S., Gutierrez Rojas, L.A., Klein, R.R., Klein, P.E., Prom, L.K., Schlueter, J.A., Rooney, W.L., Magill, C.W. 2007. Molecular mapping of Cg1, a gene for resistance to anthracnose (Colletotrichum sublineolum) in sorghum [abstract]. Proceedings of Plant and Animal Genomes XV Conference, January 13-17, 2007, San Diego, California. Paper No. P371.
Sorghum stay-green QTL individually reduce post-flowering drought-induced leaf senescence - (Peer Reviewed Journal)
Harris, K., Borrell, A., Jordan, D., Rosenow, D., Nguyen, H., Klein, P., Klein, R.R., Mullet, J. 2007. Sorghum stay-green QTL individually reduce post-flowering drought-induced leaf senescence. Journal of Experimental Botany. 58:327-338.
Comprehensive Molecular Cytogenetic Analysis of Sorghum Genome Architecture; Distribution of Euchromatin, Heterochromatin, Genes and Recombination in Comparison to Rice - (Peer Reviewed Journal)
Kim, J.S., Islam-Faridi, N., Klein, P.E., Stelly, D., Price, H.J., Klein, R.R., Mullet, J.E. 2005. Comprehensive molecular cytogenetic analysis of sorghum genome architecture: Distribution of euchromatin, heterochromatin, genes and recombination in comparison to rice. Genetics. 171:1963-1976.
Sorghum Expressed Sequence Tags Provide a Milestone Set of 16,801 Unique Clusters and Identify Signature Genes for Drought, Pathogenesis and Etiolation - (Peer Reviewed Journal) - (26-Jul-05)
Transcriptome Analysis of Genes Induced by Aba High Salt, and Osmotic Stress in Sorghum Bicolor - (Peer Reviewed Journal)
Buchanan, C.D., Lim, S., Salzman, R.A., Kagiampakis, I., Klein, R.R., Pratt, L.H., Cordonnier-Pratt, M.M., Klein, P.E., Mullet, J.E. 2005. Transcriptome analysis of genes induced by ABA high salt, and osmotic stress in Sorghum bicolor. Plant Molecular Biology. 58:690-720.
Toward Sequencing the Sorghum Genome: a Us National Science Foundation-Sponsored Workshop Report - (Peer Reviewed Journal)
Kresovich, S., Barbazuk, B., Bedell, J., Borrell, A., Buell, R., Burke, J.J., Clifton, S., Cordonnier-Pratt, M., Cox, S., Dahlberg, J., Erpelding, J.E., Fulton, T.M., Fulton, B., Fulton, L., Gingle, A., Goff, S., Hash, C., Huang, Y., Jordan, D., Klein, P., Klein, R.R., Magalhaes, J., McCombie, R., Moore, P.H., Mullet, J.E., Ozias-Akins, P., Paterson, A.H., Porter, K., Pratt, L., Roe, B., Rooney, W., Schnable, P., Steely, D.M., Tuinstra, M., Ware, D., Warek, U. 2005. Toward sequencing the sorghum genome: A US National Science Foundation-sponsored workshop report. Plant Physiology. 138(4):1898-1902.
Fertility Restorer Locus Rf1 of Sorghum (Sorghum Bicolor L.) Encodes a Pentacotripeptide Repeat Protein Not Present in Colinear Region of Rice Chromosome 12 - (Peer Reviewed Journal) - (17-Mar-05)
Transcription Profiling in Response to Methyl Jasmonate Salicylic Acid, and Aminocyclopropane Carboxylic Acid Reveals Cooperative Gene Regulation and Novel Components Implicated in Plnat Defence - (Peer Reviewed Journal)
Salzman, R.A., Brady, J.A., Finlayson, S.A., Buchanon, C.D., Sun, F., Klein, P.E., Klein, R.R., Pratt, L.H., Cordonnier-Pratt, M.M., Mullet, J.E. 2005. Transcription profiling in response to methyl jasmonate salicylic acid, and aminocyclopropane carboxylic acid reveals cooperative gene regulation and novel components implicated in plant defense. Plant Physiology. 138:352-368.
Chromosome Identification and Nomenclature of Sorghum Bicolor - (Peer Reviewed Journal)
Lin, J., Klein, P.E., Klein, R.R., Price, J.H., Mullet, J.E., Stelly, D.M. 2005. Chromosome identification and nomenclature of Sorghum bicolor. Genetics. 169:1169-1173.
Molecular Cytogenetics Maps of Sorghum Linkage Groups 2 and 8 - (Peer Reviewed Journal)
Kim, J., Klein, P.E., Klein, R.R., Price, J.H., Mullet, J.E., Stelly, D.M. 2005. Molecular cytogenetics maps of sorghum linkage groups 2 and 8. Genetics. 169:955-965.
Genetic Mapping of Anthocyanin Regulatory Genes and Responses to Chilling Stress in Sorghum - (Abstract Only)
Burow, G.B., Klein, P., Klein, R.R., Mullet, J., Franks, C.D., Burke, J.J. 2004. Genetic mapping of anthocyanin regulatory genes and responses to chilling stress in sorghum [abstract]. American Society of Plant Biology Annual Meeting. Abstract p. 245.
Genetic Diversity of Public Inbreds of Sorghum Determined by Mapped Aflp and Ssr Markers - (Peer Reviewed Journal)
Menz, M.A., Klein, R.R., Unruh, N.C., Rooney, W.L., Klein, P.E., Mullet, J.E. 2004. Genetic diversity of public inbreds of sorghum determined by mapped AFLP and SSR markers. Crop Science. 44:1236-1244.
Sequence-Based Alignment of Sorghum Chromosome 3 and Rice Chromosome 1 Reveals Extensive Conservation of Gene Order and One Major Chromosomal Rearrangement - (Peer Reviewed Journal) - (01-Dec-02)
A Molecular Cytogenetics Map of Sorghum Chromosome 1: Fluorescence in Situ Hybridization Analysis with Mapped Bacterial Artificial Chromosomes - (Peer Reviewed Journal)
Islam-Faridi, M.N., Childs, K.L., Klein, P.E., Hodnett, G., Menz, M.A., Klein, R.R., Rooney, W.L., Mullet, J.E., Stelly, D.M., Price, H.J. 2002. A molecular cytogenetics map of sorghum chromosome 1: Fluorescence in situ hybridization analysis with mapped bacterial artificial chromosomes. Genetics. 161:345-353.
Sequence-Based Alignment of Sorghum Chromosome 3 and Rice Chromosome 1 Reveals Extensive Conservation of Gene Order and One Major Chromosomal Rearrangment - (Peer Reviewed Journal)
Klein, P.E., Klein, R.R., Verbalov, J., Mullet, J.E. 2003. Sequence-based alignment of sorghum chromosome 3 and rice chromosome 1 reveals extensive conservation of gene order and one major chromosomal rearrangment. Plant Journal. 34:605-621.
Integrated Karyotyping of Sorghum by in Situ Hybridization of Landed Bac's - (Peer Reviewed Journal)
Kim, J., Childs, K.L., Faridi, N., Menz, M.A., Klein, R.R., Klein, P.E., Price, J.H., Mullet, J.E., Stelly, D.M. 2002. Integrated karyotyping of sorghum by in situ hybridization of landed BACs. Genome. 45:402-412.
Sorghum Bicolor-An Important Species for Comparative Grass Genomics and a Source of Beneficial Genes for Agriculture - (Review Article)
Mullet, J.E., Klein, R.R., Klein, P.E. 2001. Sorghum bicolor - An important species for comparative grass genomics and a source of beneficial genes for agriculture. Current Opinion in Plant Biology. 5:118-121.
A High-Density Genetic Map of Sorghum Bicolor (L.) Moench Based on 2926 Aflp, Rflp and Ssr Markers - (Peer Reviewed Journal)
Menz, M.A., Klein, R.R., Mullet, J.E., Obert, J.A., Unruh, N.C., Klein, P.E. 2002. A high-density genetic map of Sorghum bicolor (L.) Moench based on 2926 AFLP, RFLP and SSR markers. Plant Molecular Biology. 48:483-499.
Development and Mapping of Aflp Markers Linked to the Sorghum Fertility Restorer Gene Rf4. - (Peer Reviewed Journal) - (03-Aug-01)
Mapping Genes on An Integrated Sorghum Genetic and Physical Map Using Cdna Selection Technology - (Peer Reviewed Journal)
Childs, K.L., Klein, R.R., Klein, P.E., Morishige, D.T., Mullet, J.E. 2001. Mapping genes on an integrated sorghum genetic and physical map using cDNA selection technology. Plant Journal. 27:243-255.
An Integrated Genetic and Physical Map of Sorghum for Mapping and Isolating Genes - (Proceedings)
Klein, R.R. 2000. An integrated genetic and physical map of sorghum for mapping and isolating genes. Proceedings of Annual Corn and Sorghum Research Conference. p. 99-112.
Molecular Mapping of the Rf1 Gene for Pollen Fertility Restoration in Sorghum (Sorghum Bicolor L.) - (Peer Reviewed Journal)
Klein, R.R., Klein, P.E., Chhabra, A., Dong, J., Pammi, S., Childs, K.L., Rooney, W.L., Schertz, K.F. 2001. Molecular mapping of the rf1 gene for pollen fertility restoration in sorghum (Sorghum bicolor L.). Theoretical and Applied Genetics. 102:1206-1212.
Identification of Genomic Regions That Affect Grain Mould Incidence and Other Traits of Agronomic Importance in Sorghum - (Peer Reviewed Journal)
Klein, R.R., Rodriguez-Herrera, R., Schlueter, J.A., Klein, P.E., Yu, J., Rooney, W.L. 2001. Identification of genomic regions that affect grain mould incidence and other traits of agronomic importance in sorghum. Journal of Theoretical and Applied Genetics. 102:307-319.
A High-Throughput Aflp-Based Method for Constructing Integrated Genetic and Physical Maps: Progress Toward a Sorghum Genome Map - (Peer Reviewed Journal)
Klein, P.E., Klein, R.R., Cartinhour, S.W., Ulanch, P.E., Dong, J., Obert, J.A., Morishige, D.T., Schlueter, S.D., Childs, K.L., Ale, M. 2000. A high-throughput AFLP-based method for constructing integrated genetic and physical maps: Progress toward a sorghum genome map. Genome Research. 10:789-807.
High Throughput Bac DNA Isolation for Physical Map Construction of Sorghum (Sorghum Bicolor) - (Peer Reviewed Journal) - (01-Nov-98)
Coordination of Protein and Mrna Abundances of Stromal Enzymes and Mrna Abundances of the Clp Protease Subunits During Senescence of Phaseolus Vulgaris (L.) Leaves - (Peer Reviewed Journal) - (01-Mar-96)
Characterization of the Substrate Specificity of Sucrose-Phosphate Synthase Protein Kinase - (Peer Reviewed Journal) - (10-May-95)
Rubisco, Rubisco Activase and Ribulose-5-Phosphate Kinase Gene Expression and Polypeptide Accumulation in a Tobacco Mutant Defective in Chloroplast Protein Synthesis - (Peer Reviewed Journal) - (09-Feb-95)
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Last Modified: 10/23/2014
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