selected scholarly activity
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academic article
- STUDY OF VARYING pH RANGES ON THE GROWTH RATE OF BACTERIAL STRAINS ISOLATED FROM PLANTS. Pakistan Journal of Agricultural Sciences. 58:1051-1057. 2021
- Minimal gene set from Sinorhizobium ( Ensifer ) meliloti pSymA required for efficient symbiosis with Medicago. Proceedings of the National Academy of Sciences of the United States of America. 118. 2021
- The genomes of rhizobia. Advances in Botanical Research. 94:213-249. 2020
- Galactitol catabolism in Sinorhizobium meliloti is dependent on a chromosomally encoded sorbitol dehydrogenase and a pSymB-encoded operon necessary for tagatose catabolism. Molecular Genetics and Genomics Molecular and General Genetics. 294:739-755. 2019
- Designer Sinorhizobium meliloti strains and multi-functional vectors enable direct inter-kingdom DNA transfer. PLoS ONE. 14:e0206781-e0206781. 2019
- Multidisciplinary approaches for studying rhizobium–legume symbioses. Canadian Journal of Microbiology. 65:1-33. 2019
- Creation and Characterization of a Genomically Hybrid Strain in the Nitrogen-Fixing Symbiotic Bacterium Sinorhizobium meliloti. ACS Synthetic Biology. 7:2365-2378. 2018
- Inter-replicon Gene Flow Contributes to Transcriptional Integration in the Sinorhizobium meliloti Multipartite Genome. G3: Genes, Genomes, Genetics. 8:1711-1720. 2018
- Robustness encoded across essential and accessory replicons of the ecologically versatile bacterium Sinorhizobium meliloti. PLoS Genetics. 14:e1007357-e1007357. 2018
- Succinate Transport Is Not Essential for Symbiotic Nitrogen Fixation by Sinorhizobium meliloti or Rhizobium leguminosarum. Applied and Environmental Microbiology. 84:e01561-e01517. 2018
- Techniques for Large-Scale Bacterial Genome Manipulation and Characterization of the Mutants with Respect to In Silico Metabolic Reconstructions. Methods in Molecular Biology. 1716:291-314. 2018
- A Key Regulator of the Glycolytic and Gluconeogenic Central Metabolic Pathways in Sinorhizobium meliloti. Genetics. 207:961-974. 2017
- PhoU Allows Rapid Adaptation to High Phosphate Concentrations by Modulating PstSCAB Transport Rate in Sinorhizobium meliloti. Journal of Bacteriology. 199:e00143-e00117. 2017
- The Divided Bacterial Genome: Structure, Function, and Evolution. Microbiology and Molecular Biology Reviews. 81:e00019-e00017. 2017
- Heterologous Complementation Reveals a Specialized Activity for BacA in the Medicago–Sinorhizobium meliloti Symbiosis. Molecular Plant-Microbe Interactions. 30:312-324. 2017
- A putative 3‐hydroxyisobutyryl‐CoA hydrolase is required for efficient symbiotic nitrogen fixation inSinorhizobium melilotiandSinorhizobium frediiNGR234. Environmental Microbiology. 19:218-236. 2017
- Loss of malic enzymes leads to metabolic imbalance and altered levels of trehalose and putrescine in the bacterium Sinorhizobium meliloti. BMC Microbiology. 16:163. 2016
- Metabolic modelling reveals the specialization of secondary replicons for niche adaptation in Sinorhizobium meliloti. Nature Communications. 7:12219. 2016
- Genomic resources for identification of the minimal N2-fixing symbiotic genome. Environmental Microbiology. 18:2534-2547. 2016
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l -Hydroxyproline andd -Proline Catabolism in Sinorhizobium meliloti. Journal of Bacteriology. 198:1171-1181. 2016 - Effects of synthetic large-scale genome reduction on metabolism and metabolic preferences in a nutritionally complex environment. Metabolomics. 12. 2016
- Proline auxotrophy in Sinorhizobium meliloti results in a plant-specific symbiotic phenotype. Microbiology. 161:2341-2351. 2015
- Effects of Bioavailable Heavy Metal Species, Arsenic, and Acid Drainage from Mine Tailings on a Microbial Community Sampled Along a Pollution Gradient in a Freshwater Ecosystem. Geomicrobiology Journal. 32:724-750. 2015
- Genetic redundancy is prevalent within the 6.7 Mb Sinorhizobium meliloti genome. Molecular Genetics and Genomics Molecular and General Genetics. 290:1345-1356. 2015
- Examination of Prokaryotic Multipartite Genome Evolution through Experimental Genome Reduction. PLoS Genetics. 10:e1004742-e1004742. 2014
- Cell Growth Inhibition upon Deletion of Four Toxin-Antitoxin Loci from the Megaplasmids of Sinorhizobium meliloti. Journal of Bacteriology. 196:811-824. 2014
- The tRNA arg Gene and engA Are Essential Genes on the 1.7-Mb pSymB Megaplasmid of Sinorhizobium meliloti and Were Translocated Together from the Chromosome in an Ancestral Strain. Journal of Bacteriology. 195:202-212. 2013
- Control of hydroxyproline catabolism inSinorhizobium meliloti. Molecular Microbiology Microbiological Sciences. 85:1133-1147. 2012
- NAD(P) + -Malic Enzyme Mutants of Sinorhizobium sp. Strain NGR234, but Not Azorhizobium caulinodans ORS571, Maintain Symbiotic N 2 Fixation Capabilities. Applied and Environmental Microbiology. 78:2803-2812. 2012
- An ABC-Type Cobalt Transport System Is Essential for Growth of Sinorhizobium melilotiat Trace Metal Concentrations. Journal of Bacteriology. 193:4405-4416. 2011
- The LysR-type PcaQ protein regulates expression of a protocatechuate-inducible ABC-type transport system in Sinorhizobium meliloti. Microbiology. 157:2522-2533. 2011
- Pyruvate Is Synthesized by Two Pathways in Pea Bacteroids with Different Efficiencies for Nitrogen Fixation. Journal of Bacteriology. 192:4944-4953. 2010
- Determination of 4-hydroxyproline-2-epimerase activity by capillary electrophoresis: A stereoselective platform for inhibitor screening of amino acid isomerases. Electrophoresis. 31:2831-2837. 2010
- Sinorhizobium meliloti phospholipase C required for lipid remodeling during phosphorus limitation. Proceedings of the National Academy of Sciences of the United States of America. 107:302-307. 2010
- Genome variation in the symbiotic nitrogen-fixing bacteriumSinorhizobium meliloti. Genome Canadian Journal of Genetics and Cytology. 52:862-875. 2009
- A shotgun lipidomics study of a putative lysophosphatidic acid acyl transferase (PlsC) in Sinorhizobium meliloti. Journal of Chromatography B: Analytical Technologies in the Biomedical and Life Sciences Journal of Chromatography B: Biomedical Sciences and Applications. 877:2873-2882. 2009
- Identification of a Hydroxyproline Transport System in the Legume Endosymbiont Sinorhizobium meliloti. Molecular Plant-Microbe Interactions. 22:1116-1127. 2009
- A shotgun lipidomics approach in Sinorhizobium meliloti as a tool in functional genomics. Journal of Lipid Research. 50:1120-1132. 2009
- Genetic and biochemical properties of an alkaline phosphatase PhoX family protein found in many bacteria. Environmental Microbiology. 11:1572-1587. 2009
- Quorum Quenching in Agrobacterium tumefaciens : Chance or Necessity?. Journal of Bacteriology. 191:1123-1125. 2009
- Cyclopropane fatty acyl synthase in Sinorhizobium meliloti. Microbiology. 155:373-385. 2009
- Binding Site Determinants for the LysR-Type Transcriptional Regulator PcaQ in the Legume Endosymbiont Sinorhizobium meliloti. Journal of Bacteriology. 190:1237-1246. 2008
- Genomes of the Symbiotic Nitrogen-Fixing Bacteria of Legumes. Plant Physiology. 144:615-622. 2007
- A Sinorhizobium meliloti minE mutant has an altered morphology and exhibits defects in legume symbiosis. Microbiology. 153:375-387. 2007
- Malic Enzyme Cofactor and Domain Requirements for Symbiotic N 2 Fixation by Sinorhizobium meliloti. Journal of Bacteriology. 189:160-168. 2007
- Mapping the Sinorhizobium meliloti 1021 solute-binding protein-dependent transportome. Proceedings of the National Academy of Sciences of the United States of America. 103:17933-17938. 2006
- An Integrated Approach to Functional Genomics: Construction of a Novel Reporter Gene Fusion Library for Sinorhizobium meliloti. Applied and Environmental Microbiology. 72:7156-7167. 2006
- Characterization of the beta-ketoadipate pathway in Sinorhizobium meliloti. Applied and Environmental Microbiology. 72:5403-5413. 2006
- Characterization of the β-Ketoadipate Pathway in Sinorhizobium meliloti. Applied and Environmental Microbiology. 72:5403-5413. 2006
- Promoter prediction in the rhizobia. Microbiology. 152:1751-1763. 2006
- Promoter prediction in the rhizobia. Microbiology. 152:1751-1763. 2006
- Genome prediction of PhoB regulated promoters in Sinorhizobium meliloti and twelve proteobacteria. Nucleic Acids Research. 34:2686-2697. 2006
- Identification of a megaplasmid centromere reveals genetic structural diversity within therepABCfamily of basic replicons. Molecular Microbiology Microbiological Sciences. 59:1559-1575. 2006
- Regulation and Properties of PstSCAB, a High-Affinity, High-Velocity Phosphate Transport System of Sinorhizobium meliloti. Journal of Bacteriology. 188:1089-1102. 2006
- The Sinorhizobium meliloti chromosomal origin of replication. Microbiology. 152:443-455. 2006
- Novel DNA Sequences from Natural Strains of the Nitrogen-Fixing Symbiotic Bacterium Sinorhizobium meliloti. Applied and Environmental Microbiology. 71:7130-7138. 2005
- Phosphate limitation induces catalase expression inSinorhizobium meliloti,Pseudomonas aeruginosaandAgrobacterium tumefaciens. Molecular Microbiology Microbiological Sciences. 58:877-894. 2005
- Novel Pathway for Arsenic Detoxification in the Legume Symbiont Sinorhizobium meliloti. Journal of Bacteriology. 187:6991-6997. 2005
- The expression of a novel antisense gene mediates incompatibility within the large repABC family of α-proteobacterial plasmids. Molecular Microbiology Microbiological Sciences. 55:611-623. 2005
- Erratum. Journal of Applied Microbiology Journal of Applied Bacteriology. 97:1328-1328. 2004
- Analysis of the legume-rhizobia symbiosis in shrubs from central western Spain. Journal of Applied Microbiology Journal of Applied Bacteriology. 95:1367-1374. 2003
- A Global Analysis of Protein Expression Profiles in Sinorhizobium meliloti: Discovery of New Genes for Nodule Occupancy and Stress Adaptation. Molecular Plant-Microbe Interactions. 16:508-524. 2003
- Dinucleotide compositional analysis of Sinorhizobium meliloti using the genome signature: distinguishing chromosomes and plasmids. Functional and Integrative Genomics. 2:274-281. 2002
- In Vivo Cloning Strategy for Rhizobium Plasmids. BioTechniques. 33:782-788. 2002
- Evolving Insights: Symbiosis Islands and Horizontal Gene Transfer. Journal of Bacteriology. 184:2855-2856. 2002
- Cloning and characterization of the pyruvate carboxylase from Sinorhizobium meliloti Rm1021. Archives of Microbiology Archiv f�r Mikrobiologie. 176:355-363. 2001
- The complete sequence of the 1,683-kb pSymB megaplasmid from the N 2 -fixing endosymbiont Sinorhizobium meliloti. Proceedings of the National Academy of Sciences of the United States of America. 98:9889-9894. 2001
- The Composite Genome of the Legume Symbiont Sinorhizobium meliloti. Science The Scientific monthly. 293:668-672. 2001
- Use of differential fluorescence induction and optical trapping to isolate environmentally induced genes. Environmental Microbiology. 3:397-406. 2001
- oriT -Directed Cloning of Defined Large Regions from Bacterial Genomes: Identification of the Sinorhizobium meliloti pExo Megaplasmid Replicator Region. Journal of Bacteriology. 182:5486-5494. 2000
- Characterization of two members of a novel malic enzyme class. Biochimica et Biophysica Acta - Proteins and Proteomics Biochimica et Biophysica Acta - Protein Structure and Molecular Enzymology. 1432:275-285. 1999
- The regulator gene phoB mediates phosphate stress-controlled synthesis of the membrane lipid diacylglyceryl-N,N,N-trimethylhomoserine in Rhizobium (Sinorhizobium) meliloti. Molecular Microbiology Microbiological Sciences. 32:63-73. 1999
- Phosphate Assimilation in Rhizobium ( Sinorhizobium ) meliloti : Identification of a pit -Like Gene. Journal of Bacteriology. 180:4219-4226. 1998
- Chimeric Structure of the NAD(P)+- and NADP+-dependent Malic Enzymes ofRhizobium (Sinorhizobium) meliloti. Journal of Biological Chemistry. 273:9330-9336. 1998
- Regulation of Phosphate Assimilation in Rhizobium (Sinorhizobium) meliloti. Genetics. 148:1689-1700. 1998
- Characterization of the Rhizobium (Sinorhizobium) meliloti high- and low-affinity phosphate uptake systems. Journal of Bacteriology. 179:7226-7232. 1997
- Genetic Analysis of Mutations Affecting pckA Regulation in Rhizobium (Sinorhizobium) meliloti. Genetics. 147:1521-1531. 1997
- Increased pyruvate orthophosphate dikinase activity results in an alternative gluconeogenic pathway in Rhizobium (Sinorhizobium) meliloti. Microbiology. 143:1639-1648. 1997
- Properties of NAD+- and NADP+-dependent malic enzymes of Rhizobium (Sinorhizobium) meliloti and differential expression of their genes in nitrogen-fixing bacteroids. Microbiology. 143:489-498. 1997
- A phosphate transport system is required for symbiotic nitrogen fixation by Rhizobium meliloti. Journal of Bacteriology. 178:4540-4547. 1996
- NADP+ -dependent malic enzyme of Rhizobium meliloti. Journal of Bacteriology. 178:2224-2231. 1996
- Identification of Rhizobium-specific intergenic mosaic elements within an essential two-component regulatory system of Rhizobium species. Journal of Bacteriology. 177:5485-5494. 1995
- Molecular and expression analysis of the Rhizobium meliloti phosphoenolpyruvate carboxykinase (pckA) gene. Journal of Bacteriology. 177:1452-1460. 1995
- Similarity between the Rhizobium meliloti flip gene and pathogenicity-associated genes from animal and plant pathogens. Gene. 152:65-67. 1995
- 2ND SITE MUTATIONS SPECIFICALLY SUPPRESS THE FIX(-) PHENOTYPE OF RHIZOBIUM-MELILOTI NDVF MUTATIONS ON ALFALFA - IDENTIFICATION OF A CONDITIONAL NDVF-DEPENDENT MUCOID COLONY PHENOTYPE. Genetics. 136:1233-1243. 1994
- Second site mutations specifically suppress the Fix- phenotype of Rhizobium meliloti ndvF mutations on alfalfa: identification of a conditional ndvF-dependent mucoid colony phenotype.. Genetics. 136:1233-1243. 1994
- Negative regulation of sigma 54-dependent dctA expression by the transcriptional activator DctD. Journal of Bacteriology. 175:2674-2681. 1993
- Symbiotic nitrogen fixation by a nifA deletion mutant of Rhizobium meliloti: the role of an unusual ntrC allele. Journal of Bacteriology. 175:2662-2673. 1993
- NAD+-dependent malic enzyme of Rhizobium meliloti is required for symbiotic nitrogen fixation. Molecular Microbiology Microbiological Sciences. 7:865-873. 1993
- Site-directed mutagenesis and DNA sequence of pckA of Rhizobium NGR234, encoding phosphoenolpyruvate carboxykinase: gluconeogenesis and host-dependent symbiotic phenotype. Molecular Genetics and Genomics Molecular and General Genetics. 230:257-269. 1991
- ndvF, a novel locus located on megaplasmid pRmeSU47b (pEXO) of Rhizobium meliloti, is required for normal nodule development. Journal of Bacteriology. 173:3981-3992. 1991
- Analysis of a 1600-kilobase Rhizobium meliloti megaplasmid using defined deletions generated in vivo.. Genetics. 127:5-20. 1991
- Complex Symbiotic Phenotypes Result from Gluconeogenic Mutations inRhizobium meliloti. Molecular Plant-Microbe Interactions. 4:386-386. 1991
- Lactose utilization and enzymes encoded by megaplasmids in Rhizobium meliloti SU47: implications for population studies. Journal of General Microbiology. 136:2497-2502. 1990
- Insulinlike growth factor I receptors in rabbit gastrointestinal tract. Gastroenterology. 99:51-60. 1990
- Genetic map of Rhizobium meliloti megaplasmid pRmeSU47b. Journal of Bacteriology. 172:2469-2476. 1990
- Analysis of C4-dicarboxylate transport genes in Rhizobium meliloti. Molecular Microbiology Microbiological Sciences. 3:813-823. 1989
- Molecular cloning of thentrA gene of the broad host-rangeRhizobium sp. NGR234, and phenotypes of a site-directed mutant. Molecular Genetics and Genomics Molecular and General Genetics. 217:528-532. 1989
- Primary culture of the enteric nervous system from neonatal hamster intestine. Gastroenterology. 95:1003-1010. 1988
- Mutants of Rhizobium meliloti defective in succinate metabolism. Journal of Bacteriology. 170:3396-3403. 1988
- Genetic and physical analyses of group E exo- mutants of Rhizobium meliloti. Journal of Bacteriology. 170:474-477. 1988
- Somatostatin inhibits the secretion of bombesin-like peptides from small cell lung cancer cells. Peptides. 9:257-261. 1988
- 2ND SYMBIOTIC MEGAPLASMID IN RHIZOBIUM-MELILOTI CARRYING EXOPOLYSACCHARIDE AND THIAMINE SYNTHESIS GENES. Journal of Bacteriology. 167:66-72. 1986
- Second symbiotic megaplasmid in Rhizobium meliloti carrying exopolysaccharide and thiamine synthesis genes. Journal of Bacteriology. 167:66-72. 1986
- Symbiotic mutants of rhizobium meliloti that uncouple plant from bacterial differentiation. Cell. 40:869-877. 1985
- Symbiotic mutants of Rhizobium meliloti that uncouple plant from bacterial differentiation. Cell. 40:879-886. 1985
- Monoclonal antibodies to Rhizobium meliloti and surface mutants insensitive to them. Journal of Bacteriology. 160:454-457. 1984
- General transduction in Rhizobium meliloti. Journal of Bacteriology. 159:120-124. 1984
- Host-dependent transposon Tn5-mediated streptomycin resistance. Journal of Bacteriology. 159:395-399. 1984
- Symbiotic properties of C4-dicarboxylic acid transport mutants of Rhizobium leguminosarum. Journal of Bacteriology. 154:1403-1413. 1983
- Succinate transport in Rhizobium leguminosarum. Journal of Bacteriology. 148:193-202. 1981
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conference paper
- PHOSPHATE-DEPENDENT GENE EXPRESSION IN FREE-LIVING AND SYMBIOTIC SINORHIZOBIUM MELILOTI. BIOLOGICAL NITROGEN FIXATION: TOWARDS POVERTY ALLEVIATION THROUGH SUSTAINABLE AGRICULTURE. 259-259. 2008
- Functional Analysis of Genes of Unknown Functions in Sinorhizobium meliloti 1021. Current plant science and biotechnology in agriculture. 115-118. 2005
- Phosphate assimilation and regulation in Sinorhizobium meliloti. Current plant science and biotechnology in agriculture. 249-249. 2005
- The roles of arg-tRNA and minCDE on megaplasmid pSymB in Sinorhizobium meliloti 1021. Current plant science and biotechnology in agriculture. 242-242. 2005
- SUCCINATE METABOLISM IN RHIZOBIUM-MELILOTI. NEW HORIZONS IN NITROGEN FIXATION. 517-522. 1993
- Overexpression of the dctA gene in Rhizobium meliloti: effect on transport of C4 dicarboxylates and symbiotic nitrogen fixation. Canadian Journal of Microbiology. 555-562. 1992
- PRIMARY ENTERIC NEURAL CULTURE OF NEONATAL HAMSTER - SELECTION AND GROWTH OF VIP-CONTAINING NEURONS. Gastroenterology. A236-A236. 1988
- NEUROENDOCRINE CELL-CULTURE OF HAMSTER INTESTINE - MORPHOLOGY AND PEPTIDE-HORMONE CONTENT. Gastroenterology. 1479-1479. 1987
- ANALYSIS OF ALFALFA NODULES INDUCED BY CELL SURFACE MUTANTS OF RHIZOBIUM MELILOTI. Plant Physiology. 7-7. 1984