1: Vinardell JM, López-Baena FJ, Hidalgo A, Ollero FJ, Bellogín R, del Rosario Espuny M, Temprano F, Romero F, Krishnan HB, Pueppke SG, Ruiz-Sainz JE. The effect of FITA mutations on the symbiotic properties of Sinorhizobium fredii varies in a chromosomal-background-dependent manner. Arch Microbiol. 2004 Feb;181(2):144-54. Epub 2003 Dec 20. PMID: 14689165 [PubMed - indexed for MEDLINE] 2: Krishnan HB, Lorio J, Kim WS, Jiang G, Kim KY, DeBoer M, Pueppke SG. Extracellular proteins involved in soybean cultivar-specific nodulation are associated with pilus-like surface appendages and exported by a type III protein secretion system in Sinorhizobium fredii USDA257. Mol Plant Microbe Interact. 2003 Jul;16(7):617-25. PMID: 12848427 [PubMed - indexed for MEDLINE] 3: Pueppke SG, Broughton WJ. Rhizobium sp. strain NGR234 and R. fredii USDA257 share exceptionally broad, nested host ranges. Mol Plant Microbe Interact. 1999 Apr;12(4):293-318. PMID: 10188270 [PubMed - indexed for MEDLINE] 4: Lamrabet Y, Bellogín RA, Cubo T, Espuny R, Gil A, Krishnan HB, Megias M, Ollero FJ, Pueppke SG, Ruiz-Sainz JE, Spaink HP, Tejero-Mateo P, Thomas-Oates J, Vinardell JM. Mutation in GDP-fucose synthesis genes of Sinorhizobium fredii alters Nod factors and significantly decreases competitiveness to nodulate soybeans. Mol Plant Microbe Interact. 1999 Mar;12(3):207-17. PMID: 10065558 [PubMed - indexed for MEDLINE] 5: Reuhs BL, Geller DP, Kim JS, Fox JE, Kolli VS, Pueppke SG. Sinorhizobium fredii and Sinorhizobium meliloti produce structurally conserved lipopolysaccharides and strain-specific K antigens. Appl Environ Microbiol. 1998 Dec;64(12):4930-8. PMID: 9835585 [PubMed - indexed for MEDLINE] 6: Krishnan HB, Pueppke SG. Genetic characterization of a mutant of Sinorhizobium fredii strain USDA208 with enhanced competitive ability for nodulation of soybean, Glycine max (L.) Merr. FEMS Microbiol Lett. 1998 Aug 1;165(1):215-20. PMID: 9711859 [PubMed - indexed for MEDLINE] 7: Pueppke SG, Bolanos-Vasquez MC, Werner D, Bec-Ferte MP, Prome JC, Krishnan HB. Release of flavonoids by the soybean cultivars McCall and peking and their perception as signals by the nitrogen-fixing symbiont sinorhizobium fredii Plant Physiol. 1998 Jun;117(2):599-606. PMID: 9625713 [PubMed - as supplied by publisher] 8: Vinardell JM, Ollero FJ, Krishnan HB, del Rosario Espuny M, Villalobo E, Pueppke SG, Ruiz-Sainz JE. ISRf1, a transposable insertion sequence from Sinorhizobium fredii. Gene. 1997 Dec 19;204(1-2):63-9. PMID: 9434166 [PubMed - indexed for MEDLINE] 9: Bellato C, Krishnan HB, Cubo T, Temprano F, Pueppke SG. The soybean cultivar specificity gene nolX is present, expressed in a nodD-dependent manner, and of symbiotic significance in cultivar-nonspecific strains of Rhizobium (Sinorhizobium) fredii. Microbiology. 1997 Apr;143 ( Pt 4):1381-8. PMID: 9141700 [PubMed - indexed for MEDLINE] 10: Bec-Ferté MP, Krishnan HB, Savagnac A, Pueppke SG, Promé JC. Rhizobium fredii synthesizes an array of lipooligosaccharides, including a novel compound with glucose inserted into the backbone of the molecule. FEBS Lett. 1996 Sep 16;393(2-3):273-9. PMID: 8814304 [PubMed - indexed for MEDLINE] 11: Bellato CM, Balatti PA, Pueppke SG, Krishnan HB. Proteins from cells of Rhizobium fredii bind to DNA sequences precedingnolX, a flavonoid-inducible nod gene that is not associated with a nod box. Mol Plant Microbe Interact. 1996 Aug;9(6):457-63. PMID: 8755622 [PubMed - indexed for MEDLINE] 12: Pueppke SG. The genetic and biochemical basis for nodulation of legumes by rhizobia. Crit Rev Biotechnol. 1996;16(1):1-51. Review. PMID: 8935908 [PubMed - indexed for MEDLINE] 13: Kovács LG, Balatti PA, Krishnan HB, Pueppke SG. Transcriptional organization and expression of noIXWBTUV, a locus that regulates cultivar-specific nodulation of soybean by Rhizobium fredii USDA257. Mol Microbiol. 1995 Sep;17(5):923-33. PMID: 8596441 [PubMed - indexed for MEDLINE] 14: Hernandez-Lucas I, Segovia L, Martinez-Romero E, Pueppke SG. Phylogenetic relationships and host range of Rhizobium spp. that nodulate Phaseolus vulgaris L. Appl Environ Microbiol. 1995 Jul;61(7):2775-9. PMID: 7618891 [PubMed - indexed for MEDLINE] 15: Bec-Ferté MP, Krishnan HB, Promé D, Savagnac A, Pueppke SG, Promé JC. Structures of nodulation factors from the nitrogen-fixing soybean symbiont Rhizobium fredii USDA257. Biochemistry. 1994 Oct 4;33(39):11782-8. PMID: 7918395 [PubMed - indexed for MEDLINE] 16: Relić B, Perret X, Estrada-García MT, Kopcinska J, Golinowski W, Krishnan HB, Pueppke SG, Broughton WJ. Nod factors of Rhizobium are a key to the legume door. Mol Microbiol. 1994 Jul;13(1):171-8. PMID: 7984092 [PubMed - indexed for MEDLINE] 17: Kovács LG, Pueppke SG. Mapping and genetic organization of pTiChry5, a novel Ti plasmid from a highly virulent Agrobacterium tumefaciens strain. Mol Gen Genet. 1994 Feb;242(3):327-36. PMID: 8107681 [PubMed - indexed for MEDLINE] 18: Meinhardt LW, Krishnan HB, Balatti PA, Pueppke SG. Molecular cloning and characterization of a sym plasmid locus that regulates cultivar-specific nodulation of soybean by Rhizobium fredii USDA257. Mol Microbiol. 1993 Jul;9(1):17-29. PMID: 8412662 [PubMed - indexed for MEDLINE] 19: Krishnan HB, Pueppke SG. Nucleotide sequence of an abundant rice seed globulin: homology with the high molecular weight glutelins of wheat, rye and triticale. Biochem Biophys Res Commun. 1993 May 28;193(1):460-6. PMID: 8503935 [PubMed - indexed for MEDLINE] 20: Krishman HB, Pueppke SG. Purification, partial characterization, and subcellular localization of a 38 kilodalton, calcium-regulated protein of Rhizobium fredii USDA208. Arch Microbiol. 1993;159(3):250-6. PMID: 8481090 [PubMed - indexed for MEDLINE] 21: Krishnan HB, Pueppke SG. Characterization of RFRS9, a second member of the Rhizobium fredii repetitive sequence family from the nitrogen-fixing symbiont R. fredii USDA257. Appl Environ Microbiol. 1993 Jan;59(1):150-5. PMID: 8382462 [PubMed - indexed for MEDLINE] 22: Krishnan HB, Pueppke SG. Flavonoid inducers of nodulation genes stimulate Rhizobium fredii USDA257 to export proteins into the environment. Mol Plant Microbe Interact. 1993 Jan-Feb;6(1):107-13. No abstract available. PMID: 8318713 [PubMed - indexed for MEDLINE] 23: Price NP, Relić B, Talmont F, Lewin A, Promé D, Pueppke SG, Maillet F, Dénarié J, Promé JC, Broughton WJ. Broad-host-range Rhizobium species strain NGR234 secretes a family of carbamoylated, and fucosylated, nodulation signals that are O-acetylated or sulphated. Mol Microbiol. 1992 Dec;6(23):3575-84. PMID: 1474899 [PubMed - indexed for MEDLINE] 24: Krishnan HB, Lewin A, Fellay R, Broughton WJ, Pueppke SG. Differential expression of nodS accounts for the varied abilities of Rhizobium fredii USDA257 and Rhizobium sp. strain NGR234 to nodulate Leucaena spp. Mol Microbiol. 1992 Nov;6(22):3321-30. PMID: 1484488 [PubMed - indexed for MEDLINE] 25: Bush AL, Pueppke SG. Characterization of an Unusual New Agrobacterium tumefaciens Strain from Chrysanthemum morifolium Ram. Appl Environ Microbiol. 1991 Sep;57(9):2468-2472. PMID: 16348549 [PubMed - as supplied by publisher] 26: Krishnan HB, Pueppke SG. Repetitive sequences with homology to Bradyrhizobium japonicum DNA and the T-DNA of Agrobacterium rhizogenes are closely linked to nodABC of Rhizobium fredii USDA257. Mol Plant Microbe Interact. 1991 Sep-Oct;4(5):521-9. PMID: 1799702 [PubMed - indexed for MEDLINE] 27: Krishnan HB, Pueppke SG. Sequence and analysis of the nodABC region of Rhizobium fredii USDA257, a nitrogen-fixing symbiont of soybean and other legumes. Mol Plant Microbe Interact. 1991 Sep-Oct;4(5):512-20. PMID: 1799701 [PubMed - indexed for MEDLINE] 28: Krishnan HB, Pueppke SG. nolC, a Rhizobium fredii gene involved in cultivar-specific nodulation of soybean, shares homology with a heat-shock gene. Mol Microbiol. 1991 Mar;5(3):737-45. PMID: 1646377 [PubMed - indexed for MEDLINE] 29: Robbs SL, Hawes MC, Lin HJ, Pueppke SG, Smith LY. Inheritance of Resistance to Crown Gall in Pisum sativum. Plant Physiol. 1991 Jan;95(1):52-57. PMID: 16667980 [PubMed - as supplied by publisher] 30: Balatti PA, Pueppke SG. Cultivar-Specific Interactions of Soybean with Rhizobium fredii Are Regulated by the Genotype of the Root. Plant Physiol. 1990 Dec;94(4):1907-1909. PMID: 16667934 [PubMed - as supplied by publisher] 31: Balatti PA, Pueppke SG. Nodulation of Soybean by a Transposon-Mutant of Rhizobium fredii USDA257 Is Subject to Competitive Nodulation Blocking by Other Rhizobia. Plant Physiol. 1990 Nov;94(3):1276-1281. PMID: 16667829 [PubMed - as supplied by publisher] 32: Trese AT, Pueppke SG. Modulation of Host Gene Expression during Initiation and Early Growth of Nodules in Cowpea, Vigna unguiculata (L.) Walp. Plant Physiol. 1990 Apr;92(4):946-953. PMID: 16667410 [PubMed - as supplied by publisher] 33: Hawes MC, Pueppke SG. Variation in Binding and Virulence of Agrobacterium tumefaciens Chromosomal Virulence (chv) Mutant Bacteria on Different Plant Species. Plant Physiol. 1989 Sep;91(1):113-118. PMID: 16666980 [PubMed - as supplied by publisher] 34: Hawes MC, Robbs SL, Pueppke SG. Use of a Root Tumorigenesis Assay to Detect Genotypic Variation in Susceptibility of Thirty-four Cultivars of Pisum sativum to Crown Gall. Plant Physiol. 1989 May;90(1):180-184. PMID: 16666732 [PubMed - as supplied by publisher] 35: Zdor RE, Pueppke SG. Early Infection and Competition for Nodulation of Soybean by Bradyrhizobium japonicum 123 and 138. Appl Environ Microbiol. 1988 Aug;54(8):1996-2002. PMID: 16347710 [PubMed - as supplied by publisher] 36: Krishnan HB, Pueppke SG. Heat shock triggers rapid protein phosphorylation in soybean seedings. Biochem Biophys Res Commun. 1987 Oct 29;148(2):762-7. PMID: 3689371 [PubMed - indexed for MEDLINE] 37: Heron DS, Pueppke SG. Regulation of Nodulation in the Soybean-Rhizobium Symbiosis : Strain and Cultivar Variability. Plant Physiol. 1987 Aug;84(4):1391-1396. PMID: 16665616 [PubMed - as supplied by publisher] 38: Pueppke SG, Payne JH. Responses of Rj(1) and rj(1) Soybean Isolines to Inoculation with Bradyrhizobium japonicum. Plant Physiol. 1987 Aug;84(4):1291-1295. PMID: 16665600 [PubMed - as supplied by publisher] 39: Ersek T, Novacky A, Pueppke SG. Compatible and Incompatible Rhizobia Alter Membrane Potentials of Soybean Root Cells. Plant Physiol. 1986 Dec;82(4):1115-1118. PMID: 16665143 [PubMed - as supplied by publisher] 40: Kluepfel DA, Pueppke SG. Adsorption of Agrobacterium tumefaciens to Susceptible Potato Tissues: a Physisorption Process. Appl Environ Microbiol. 1986 May;51(5):1130-1132. PMID: 16347060 [PubMed - as supplied by publisher] 41: Kluepfel DA, Pueppke SG. Isotherm for Adsorption of Agrobacterium tumefaciens to Susceptible Potato (Solanum tuberosum L.) Tissues. Appl Environ Microbiol. 1985 Jun;49(6):1351-1355. PMID: 16346800 [PubMed - as supplied by publisher] 42: Heron DS, Pueppke SG. Mode of infection, nodulation specificity, and indigenous plasmids of 11 fast-growing Rhizobium japonicum strains. J Bacteriol. 1984 Dec;160(3):1061-6. PMID: 6542099 [PubMed - indexed for MEDLINE] 43: Pueppke SG. Adsorption of Slow- and Fast-Growing Rhizobia to Soybean and Cowpea Roots. Plant Physiol. 1984 Aug;75(4):924-928. PMID: 16663761 [PubMed - as supplied by publisher] 44: Pueppke SG, Benny UK. Adsorption of tumorigenic Agrobacterium tumefaciens cells to susceptible potato tuber tissues. Can J Microbiol. 1984 Aug;30(8):1030-7. PMID: 6498639 [PubMed - indexed for MEDLINE] 45: Pueppke SG. Soybean lectin: does it have an essential role in the rhizobium-soybean symbiosis? Prog Clin Biol Res. 1983;138:225-36. No abstract available. PMID: 6675019 [PubMed - indexed for MEDLINE] 46: Pueppke SG. Multiple molecular forms of peanut lectin: classification of isolectins and isolectin distribution among genotypes of the genus Arachis. Arch Biochem Biophys. 1981 Nov;212(1):254-61. No abstract available. PMID: 7305406 [PubMed - indexed for MEDLINE] 47: Pueppke SG. Examination of Le and lele Genotypes of Glycine max (L.) Merr. for Membrane-Bound and Buffer-Soluble Soybean Lectin. Plant Physiol. 1981 Oct;68(4):905-909. PMID: 16662023 [PubMed - as supplied by publisher] 48: Pueppke SG, Freund TG, Schulz BC, Friedman HP. Interaction of lectins from soybean and peanut with rhizobia that nodulate soybean, peanut, or both plants. Can J Microbiol. 1980 Dec;26(12):1489-97. PMID: 7195297 [PubMed - indexed for MEDLINE] 49: Su LC, Pueppke SG, Friedman HP. Lectins and the soybean-Rhizobium symbiosis. I. Immunological investigations of soybean lines, the seeds of which have been reported to lack the 120 000 dalton soybean lectin. Biochim Biophys Acta. 1980 May 7;629(2):292-304. PMID: 7190028 [PubMed - indexed for MEDLINE] 50: Meyer MC, Pueppke SG. Differentiation of Rhizobium japonicum strain derivatives by antibiotic sensitivity patterns, lectin binding, and utilization of biochemicals. Can J Microbiol. 1980 May;26(5):606-12. PMID: 7190460 [PubMed - indexed for MEDLINE] 51: Pueppke SG. Purification and characterization of a lectin from seeds of the winged bean, Psophocarpus tetragonolobus (L.)DC. Biochim Biophys Acta. 1979 Nov 23;581(1):63-70. PMID: 508795 [PubMed - indexed for MEDLINE] 52: Pueppke SG. Distribution of Lectins in the Jumbo Virginia and Spanish Varieties of the Peanut, Arachis hypogaea L. Plant Physiol. 1979 Oct;64(4):575-580. PMID: 16661012 [PubMed - as supplied by publisher] 53: Pull SP, Pueppke SG, Hymowitz T, Orf JH. Soybean Lines Lacking the 120,000-Dalton Seed Lectin. Science. 1978 Jun 16;200(4347):1277-1279. PMID: 17738723 [PubMed - as supplied by publisher] 54: Pueppke SG, Bauer WD. Role of Lectins in Plant-Microorganism Interactions: II. Distribution of Soybean Lectin in Tissues of Glycine max (L.) Merr. Plant Physiol. 1978 May;61(5):779-784. PMID: 16660384 [PubMed - as supplied by publisher] 55: Bhuvaneswari TV, Pueppke SG, Bauer WD. Role of Lectins in Plant-Microorganism Interactions: I. Binding of Soybean Lectin to Rhizobia. Plant Physiol. 1977 Oct;60(4):486-491. PMID: 16660121 [PubMed - as supplied by publisher]