Sign in to edit your profile (add interests, overview, photo, etc.)
    LBNL Profiles Metrics
    22822 Publications
    3073 Total Profiles
    18 Edited Profiles

    Keen, Noel

    TitleSoftware Developer 3
    SchoolLawrence Berkeley National Lab
    DepartmentEarth Sciences
    Address1 Cyclotron Road
    Berkeley CA 94720
    Phone510/486-5140

       Bibliographic 
       Publications
      Publications listed below are automatically derived from MEDLINE/PubMed and other sources, which might result in incorrect or missing publications. Researchers can sign in to make corrections and additions, or contact us for help.
      List All   |   Timeline
      1. Glasner JD, Yang CH, Reverchon S, Hugouvieux-Cotte-Pattat N, Condemine G, Bohin JP, Van Gijsegem F, Yang S, Franza T, Expert D, Plunkett G, San Francisco MJ, Charkowski AO, Py B, Bell K, Rauscher L, Rodriguez-Palenzuela P, Toussaint A, Holeva MC, He SY, Douet V, Boccara M, Blanco C, Toth I, Anderson BD, Biehl BS, Mau B, Flynn SM, Barras F, Lindeberg M, Birch PR, Tsuyumu S, Shi X, Hibbing M, Yap MN, Carpentier M, Dassa E, Umehara M, Kim JF, Rusch M, Soni P, Mayhew GF, Fouts DE, Gill SR, Blattner FR, Keen NT, Perna NT. Genome sequence of the plant-pathogenic bacterium Dickeya dadantii 3937. J Bacteriol. 2011 Apr; 193(8):2076-7.
        View in: PubMed
      2. Peng Q, Yang S, Charkowski AO, Yap MN, Steeber DA, Keen NT, Yang CH. Population behavior analysis of dspE and pelD regulation in Erwinia chrysanthemi 3937. Mol Plant Microbe Interact. 2006 Apr; 19(4):451-7.
        View in: PubMed
      3. Yang S, Perna NT, Cooksey DA, Okinaka Y, Lindow SE, Ibekwe AM, Keen NT, Yang CH. Genome-wide identification of plant-upregulated genes of Erwinia chrysanthemi 3937 using a GFP-based IVET leaf array. Mol Plant Microbe Interact. 2004 Sep; 17(9):999-1008.
        View in: PubMed
      4. Larson SB, Day J, Barba de la Rosa AP, Keen NT, McPherson A. First crystallographic structure of a xylanase from glycoside hydrolase family 5: implications for catalysis. Biochemistry. 2003 Jul 22; 42(28):8411-22.
        View in: PubMed
      5. Keen NT, Fletcher J. A critical shortage in u.s. Agricultural research funding: a time for action. Phytopathology. 2003 Jan; 93(1):18-9.
        View in: PubMed
      6. Okinaka Y, Yang CH, Herman E, Kinney A, Keen NT. The P34 syringolide elicitor receptor interacts with a soybean photorespiration enzyme, NADH-dependent hydroxypyruvate reductase. Mol Plant Microbe Interact. 2002 Dec; 15(12):1213-8.
        View in: PubMed
      7. Okinaka Y, Yang CH, Perna NT, Keen NT. Microarray profiling of Erwinia chrysanthemi 3937 genes that are regulated during plant infection. Mol Plant Microbe Interact. 2002 Jul; 15(7):619-29.
        View in: PubMed
      8. Yang CH, Gavilanes-Ruiz M, Okinaka Y, Vedel R, Berthuy I, Boccara M, Chen JW, Perna NT, Keen NT. hrp genes of Erwinia chrysanthemi 3937 are important virulence factors. Mol Plant Microbe Interact. 2002 May; 15(5):472-80.
        View in: PubMed
      9. Yakoby N, Beno-Moualem D, Keen NT, Dinoor A, Pines O, Prusky D. Colletotrichum gloeosporioides pelB is an important virulence factor in avocado fruit-fungus interaction. Mol Plant Microbe Interact. 2001 Aug; 14(8):988-95.
        View in: PubMed
      10. Yang CH, Crowley DE, Borneman J, Keen NT. Microbial phyllosphere populations are more complex than previously realized. Proc Natl Acad Sci U S A. 2001 Mar 27; 98(7):3889-94.
        View in: PubMed
      11. Robertson GP, Barry PJ, Busta FF, Collier RJ, Keen NT, Sederoff RR, Simpkins WW, Urban TN. Moribund funding in agricultural research. Science. 2001 Mar 16; 291(5511):2089-90.
        View in: PubMed
      12. Keen NT, Korsi Dumenyo C, Yang C, Cooksey DA. From rags to riches: insights from the first genomic sequence of a plant pathogenic bacterium. Genome Biol. 2000; 1(3):REVIEWS1019.
        View in: PubMed
      13. Yakoby N, Freeman S, Dinoor A, Keen NT, Prusky D. Expression of pectate lyase from Colletotrichum gloesosporioides in C. magna promotes pathogenicity. Mol Plant Microbe Interact. 2000 Aug; 13(8):887-91.
        View in: PubMed
      14. Keen N, Staskawicz B, Mekalanos J, Ausubel F, Cook RJ. Pathogens and hosts: the dance is the same, the couples are different. Proc Natl Acad Sci U S A. 2000 Aug 1; 97(16):8752-3.
        View in: PubMed
      15. Scavetta RD, Herron SR, Hotchkiss AT, Kita N, Keen NT, Benen JA, Kester HC, Visser J, Jurnak F. Structure of a plant cell wall fragment complexed to pectate lyase C. Plant Cell. 1999 Jun; 11(6):1081-92.
        View in: PubMed
      16. Keen NT, Roberts PA. Plant parasitic nematodes: digesting a page from the microbe book. Proc Natl Acad Sci U S A. 1998 Apr 28; 95(9):4789-90.
        View in: PubMed
      17. Ji C, Boyd C, Slaymaker D, Okinaka Y, Takeuchi Y, Midland SL, Sims JJ, Herman E, Keen N. Characterization of a 34-kDa soybean binding protein for the syringolide elicitors. Proc Natl Acad Sci U S A. 1998 Mar 17; 95(6):3306-11.
        View in: PubMed
      18. Lindeberg M, Boyd CM, Keen NT, Collmer A. External loops at the C terminus of Erwinia chrysanthemi pectate lyase C are required for species-specific secretion through the out type II pathway. J Bacteriol. 1998 Mar; 180(6):1431-7.
        View in: PubMed
      19. Smith-Becker J, Marois E, Huguet EJ, Midland SL, Sims JJ, Keen NT. Accumulation of salicylic acid and 4-hydroxybenzoic acid in phloem fluids of cucumber during systemic acquired resistance is preceded by a transient increase in phenylalanine ammonia-lyase activity in petioles and stems. Plant Physiol. 1998 Jan; 116(1):231-8.
        View in: PubMed
      20. Brühlmann F, Keen NT. Cloning, sequence and expression of the pel gene from an Amycolata sp. Gene. 1997 Nov 20; 202(1-2):45-51.
        View in: PubMed
      21. Keith LW, Boyd C, Keen NT, Partridge JE. Comparison of avrD alleles from Pseudomonas syringae pv. glycinea. Mol Plant Microbe Interact. 1997 Apr; 10(3):416-22.
        View in: PubMed
      22. Kita N, Boyd CM, Garrett MR, Jurnak F, Keen NT. Differential effect of site-directed mutations in pelC on pectate lyase activity, plant tissue maceration, and elicitor activity. J Biol Chem. 1996 Oct 25; 271(43):26529-35.
        View in: PubMed
      23. Keen NT, Boyd C, Henrissat B. Cloning and characterization of a xylanase gene from corn strains of Erwinia chrysanthemi. Mol Plant Microbe Interact. 1996 Sep; 9(7):651-7.
        View in: PubMed
      24. Pirhonen MU, Lidell MC, Rowley DL, Lee SW, Jin S, Liang Y, Silverstone S, Keen NT, Hutcheson SW. Phenotypic expression of Pseudomonas syringae avr genes in E. coli is linked to the activities of the hrp-encoded secretion system. Mol Plant Microbe Interact. 1996 May; 9(4):252-60.
        View in: PubMed
      25. Vroemen S, Heldens J, Boyd C, Henrissat B, Keen NT. Cloning and characterization of the bgxA gene from Erwinia chrysanthemi D1 which encodes a beta-glucosidase/xylosidase enzyme. Mol Gen Genet. 1995 Feb 20; 246(4):465-77.
        View in: PubMed
      26. Lorang JM, Keen NT. Characterization of avrE from Pseudomonas syringae pv. tomato: a hrp-linked avirulence locus consisting of at least two transcriptional units. Mol Plant Microbe Interact. 1995 Jan-Feb; 8(1):49-57.
        View in: PubMed
      27. Yucel I, Slaymaker D, Boyd C, Murillo J, Buzzell RI, Keen NT. Avirulence gene avrPphC from Pseudomonas syringae pv. phaseolicola 3121: a plasmid-borne homologue of avrC closely linked to an avrD allele. Mol Plant Microbe Interact. 1994 Sep-Oct; 7(5):677-9.
        View in: PubMed
      28. Murillo J, Shen H, Gerhold D, Sharma A, Cooksey DA, Keen NT. Characterization of pPT23B, the plasmid involved in syringolide production by Pseudomonas syringae pv. tomato PT23. Plasmid. 1994 May; 31(3):275-87.
        View in: PubMed
      29. Yucel I, Keen NT. Amino acid residues required for the activity of avrD alleles. Mol Plant Microbe Interact. 1994 Jan-Feb; 7(1):140-7.
        View in: PubMed
      30. Yucel I, Midland SL, Sims JJ, Keen NT. Class I and class II avrD alleles direct the production of different products in gram-negative bacteria. Mol Plant Microbe Interact. 1994 Jan-Feb; 7(1):148-50.
        View in: PubMed
      31. Yucel I, Boyd C, Debnam Q, Keen NT. Two different classes of avrD alleles occur in pathovars of Pseudomonas syringae. Mol Plant Microbe Interact. 1994 Jan-Feb; 7(1):131-9.
        View in: PubMed
      32. Boyd C, Keen NT. Characterization of the prtA and prtB genes of Erwinia chrysanthemi EC16. Gene. 1993 Oct 29; 133(1):115-8.
        View in: PubMed
      33. Shen H, Keen NT. Characterization of the promoter of avirulence gene D from Pseudomonas syringae pv. tomato. J Bacteriol. 1993 Sep; 175(18):5916-24.
        View in: PubMed
      34. Schiller NL, Monday SR, Boyd CM, Keen NT, Ohman DE. Characterization of the Pseudomonas aeruginosa alginate lyase gene (algL): cloning, sequencing, and expression in Escherichia coli. J Bacteriol. 1993 Aug; 175(15):4780-9.
        View in: PubMed
      35. Yoder MD, Keen NT, Jurnak F. New domain motif: the structure of pectate lyase C, a secreted plant virulence factor. Science. 1993 Jun 4; 260(5113):1503-7.
        View in: PubMed
      36. Shen H, Gold SE, Tamaki SJ, Keen NT. Construction of a Tn7-lux system for gene expression studies in gram-negative bacteria. Gene. 1992 Dec 1; 122(1):27-34.
        View in: PubMed
      37. Keen NT. The molecular biology of disease resistance. Plant Mol Biol. 1992 May; 19(1):109-22.
        View in: PubMed
      38. Preston JF, Rice JD, Ingram LO, Keen NT. Differential depolymerization mechanisms of pectate lyases secreted by Erwinia chrysanthemi EC16. J Bacteriol. 1992 Mar; 174(6):2039-42.
        View in: PubMed
      39. Gold S, Nishio S, Tsuyumu S, Keen NT. Analysis of the pelE promoter in Erwinia chrysanthemi EC16. Mol Plant Microbe Interact. 1992 Mar-Apr; 5(2):170-8.
        View in: PubMed
      40. Takeuchi Y, Dotson M, Keen NT. Plant transformation: a simple particle bombardment device based on flowing helium. Plant Mol Biol. 1992 Feb; 18(4):835-9.
        View in: PubMed
      41. Keen NT, Ridgway D, Boyd C. Cloning and characterization of a phospholipase gene from Erwinia chrysanthemi EC16. Mol Microbiol. 1992 Jan; 6(2):179-87.
        View in: PubMed
      42. Gold SE, Casale WL, Keen NT. Characterization of two beta-tubulin genes from Geotrichum candidum. Mol Gen Genet. 1991 Nov; 230(1-2):104-12.
        View in: PubMed
      43. Keen NT, Buzzell RI. New disease resistance genes in soybean against Pseudomonas syringae pv glycinea: evidence that one of them interacts with a bacterial elicitor. Theor Appl Genet. 1991 Jan; 81(1):133-8.
        View in: PubMed
      44. Tamaki SJ, Kobayashi DY, Keen NT. Sequence domains required for the activity of avirulence genes avrB and avrC from Pseudomonas syringae pv. glycinea. J Bacteriol. 1991 Jan; 173(1):301-7.
        View in: PubMed
      45. Brooks AD, He SY, Gold S, Keen NT, Collmer A, Hutcheson SW. Molecular cloning of the structural gene for exopolygalacturonate lyase from Erwinia chrysanthemi EC16 and characterization of the enzyme product. J Bacteriol. 1990 Dec; 172(12):6950-8.
        View in: PubMed
      46. Dahler GS, Barras F, Keen NT. Cloning of genes encoding extracellular metalloproteases from Erwinia chrysanthemi EC16. J Bacteriol. 1990 Oct; 172(10):5803-15.
        View in: PubMed
      47. Kobayashi DY, Tamaki SJ, Trollinger DJ, Gold S, Keen NT. A gene from Pseudomonas syringae pv. glycinea with homology to avirulence gene D from P. s. pv. tomato but devoid of the avirulence phenotype. Mol Plant Microbe Interact. 1990 Mar-Apr; 3(2):103-11.
        View in: PubMed
      48. Kobayashi DY, Tamaki SJ, Keen NT. Molecular characterization of avirulence gene D from Pseudomonas syringae pv. tomato. Mol Plant Microbe Interact. 1990 Mar-Apr; 3(2):94-102.
        View in: PubMed
      49. Keen NT. Gene-for-gene complementarity in plant-pathogen interactions. Annu Rev Genet. 1990; 24:447-63.
        View in: PubMed
      50. Kim CY, Mosser V, Keen N, Jurnak F. Preliminary crystallographic analysis of a plant pathogenic factor: pectate lyase. J Mol Biol. 1989 Jul 20; 208(2):365-7.
        View in: PubMed
      51. Trollinger D, Berry S, Belser W, Keen NT. Cloning and characterization of a pectate lyase gene from Erwinia carotovora EC153. Mol Plant Microbe Interact. 1989 Jan-Feb; 2(1):17-25.
        View in: PubMed
      52. Kobayashi DY, Tamaki SJ, Keen NT. Cloned avirulence genes from the tomato pathogen Pseudomonas syringae pv. tomato confer cultivar specificity on soybean. Proc Natl Acad Sci U S A. 1989 Jan; 86(1):157-61.
        View in: PubMed
      53. Keen NT, Tamaki S, Kobayashi D, Trollinger D. Improved broad-host-range plasmids for DNA cloning in gram-negative bacteria. Gene. 1988 Oct 15; 70(1):191-7.
        View in: PubMed
      54. Tamaki S, Dahlbeck D, Staskawicz B, Keen NT. Characterization and expression of two avirulence genes cloned from Pseudomonas syringae pv. glycinea. J Bacteriol. 1988 Oct; 170(10):4846-54.
        View in: PubMed
      55. Tamaki SJ, Gold S, Robeson M, Manulis S, Keen NT. Structure and organization of the pel genes from Erwinia chrysanthemi EC16. J Bacteriol. 1988 Aug; 170(8):3468-78.
        View in: PubMed
      56. Manulis S, Kobayashi DY, Keen NT. Molecular cloning and sequencing of a pectate lyase gene from Yersinia pseudotuberculosis. J Bacteriol. 1988 Apr; 170(4):1825-30.
        View in: PubMed
      57. Staskawicz B, Dahlbeck D, Keen N, Napoli C. Molecular characterization of cloned avirulence genes from race 0 and race 1 of Pseudomonas syringae pv. glycinea. J Bacteriol. 1987 Dec; 169(12):5789-94.
        View in: PubMed
      58. Payne JH, Schoedel C, Keen NT, Collmer A. Multiplication and Virulence in Plant Tissues of Escherichia coli Clones Producing Pectate Lyase Isozymes PLb and PLe at High Levels and of an Erwinia chrysanthemi Mutant Deficient in PLe. Appl Environ Microbiol. 1987 Oct; 53(10):2315-20.
        View in: PubMed
      59. Schlemmer AF, Ware CF, Keen NT. Purification and characterization of a pectin lyase produced by Pseudomonas fluorescens W51. J Bacteriol. 1987 Oct; 169(10):4493-8.
        View in: PubMed
      60. Keen NT, Tamaki S. Structure of two pectate lyase genes from Erwinia chrysanthemi EC16 and their high-level expression in Escherichia coli. J Bacteriol. 1986 Nov; 168(2):595-606.
        View in: PubMed
      61. Keen NT, Dahlbeck D, Staskawicz B, Belser W. Molecular cloning of pectate lyase genes from Erwinia chrysanthemi and their expression in Escherichia coli. J Bacteriol. 1984 Sep; 159(3):825-31.
        View in: PubMed
      62. Yoshikawa M, Keen NT, Wang MC. A receptor on soybean membranes for a fungal elicitor of phytoalexin accumulation. Plant Physiol. 1983 Oct; 73(2):497-506.
        View in: PubMed
      63. Keen NT, Yoshikawa M. beta-1,3-Endoglucanase from Soybean Releases Elicitor-Active Carbohydrates from Fungus Cell Walls. Plant Physiol. 1983 Mar; 71(3):460-5.
        View in: PubMed
      64. Keen NT, Yoshikawa M, Wang MC. Phytoalexin Elicitor Activity of Carbohydrates from Phytophthora megasperma f.sp. glycinea and Other Sources. Plant Physiol. 1983 Mar; 71(3):466-71.
        View in: PubMed
      65. Keen NT, Taylor OC. Ozone injury in soybeans: isoflavonoid accumulation is related to necrosis. Plant Physiol. 1975 Apr; 55(4):731-3.
        View in: PubMed
      66. Tokunaga J, Malca I, Sims JJ, Erwin DC, Keen NT. Respiratory enzymes in the spores of verticillium albo-atrum. Phytopathology. 1969 Dec; 59(12):1829-32.
        View in: PubMed
      67. Keen NT, Williams PH, Walker JC. Characterization of a protease produced by Pseudomonas lachrymans. Phytopathology. 1967 Mar; 57(3):257-62.
        View in: PubMed
      68. Williams PH, Keen NT. Histology of infection by Pseudomonas lachrymans. Phytopathology. 1967 Mar; 57(3):254-6.
        View in: PubMed
      69. Keen NT, Williams PH, Walker JC. Protease of Pseudomonas lachrymans in relation to cucumber angular leaf spot. Phytopathology. 1967 Mar; 57(3):263-71.
        View in: PubMed
      Back to TOP