Richard D. Johnson

Best Publications

• Plant-Symbiotic Fungi as Chemical Engineers: Multi-Genome Analysis of the Clavicipitaceae Reveals Dynamics of Alkaloid Loci

  Christopher L. Schardl;Carolyn A. Young;Uljana Hesse;Stefan G. Amyotte

  451
  Citations

• The exploitation of epichloae endophytes for agricultural benefit

  Linda J. Johnson;Anouck C. M. de Bonth;Lyn R. Briggs;John R. Caradus

  336
  Citations

• Epichloë endophytes grow by intercalary hyphal extension in elongating grass leaves.

  Michael J. Christensen;Raymond J. Bennett;Helal A. Ansari;Hironori Koga

  300
  Citations

• High nitrogen supply and carbohydrate content reduce fungal endophyte and alkaloid concentration in Lolium perenne

  Susanne Rasmussen;Anthony J. Parsons;Shalome Bassett;Michael J. Christensen

  288
  Citations

• Elimination of ergovaline from a grass-Neotyphodium endophyte symbiosis by genetic modification of the endophyte.

  Daniel G. Panaccione;Richard D. Johnson;Jinghong Wang;Carolyn A. Young

  250
  Citations

• A complex gene cluster for indole-diterpene biosynthesis in the grass endophyte Neotyphodium lolii

  Carolyn A. Young;Silvina Felitti;Katherine Shields;German Spangenberg

  233
  Citations

• Cloning and characterization of a cyclic peptide synthetase gene from Alternaria alternata apple pathotype whose product is involved in AM-toxin synthesis and pathogenicity.

  Unknown

  219
  Citations

• A complex ergovaline gene cluster in epichloe endophytes of grasses.

  Damien J. Fleetwood;Damien J. Fleetwood;Barry Scott;Geoffrey A. Lane;Aiko Tanaka

  168
  Citations

• MOLECULAR KARYOTYPES FOR ALTERNARIA PLANT PATHOGENS KNOWN TO PRODUCE HOST-SPECIFIC TOXINS

  Unknown

  158
  Citations

• Spontaneous loss of a conditionally dispensable chromosome from the Alternaria alternata apple pathotype leads to loss of toxin production and pathogenicity.

  Unknown

  143
  Citations

• An Extracellular Siderophore Is Required to Maintain the Mutualistic Interaction of Epichloë festucae with Lolium perenne

  Linda J. Johnson;Albert Koulman;Michael Christensen;Geoffrey A. Lane

  108
  Citations

• A polymerase chain reaction-based method to specifically detect Alternaria alternata apple pathotype (A. mali), the causal agent of Alternaria blotch of apple.

  Unknown

  97
  Citations

• Integrative transformation of the mycotoxin-producing fungus, Penicillium paxilli

  Yasuo Itoh;Richard Johnson;Barry Scott

  91
  Citations

• A morphological change in the fungal symbiont Neotyphodium lolii induces dwarfing in its host plant Lolium perenne

  Unknown

  90
  Citations

• Identification of differentially expressed genes in the mutualistic association of tall fescue with Neotyphodium coenophialum

  Linda J Johnson;Richard D Johnson;Christopher L Schardl;Daniel G Panaccione

  87
  Citations

• Beneficial endophytic microorganisms of Brassica – A review

  Unknown

  84
  Citations

• Gene-Based Sequence Diversity Analysis of Field Pea (Pisum)

  Unknown

  82
  Citations

• Paxilline-negative mutants of Penicillium paxilli generated by heterologous and homologous plasmid integration

  Carolyn Young;Yasuo Itoh;R. Johnson;I. Garthwaite

  74
  Citations

• Seed Transmission of Epichloë Endophytes in Lolium perenne Is Heavily Influenced by Host Genetics

  Unknown

  72
  Citations

• Variation in host range, systemic infection and epidemiology of <i>Leptosphaeria maculans</i>

  Unknown

  72
  Citations