| Session 1: 7:30 PM - 9:20 PM, Sunday Evening, June 28. |
"Fixing Nitrogen-Overviews of the Genetic-Biochemical-Chemical Systems"
| 7:30-7:40 | Chair: Lance Seefeldt, Utah State University |
| 7:40-8:20 | Hans-Martin Fischer - Zurich
"Genetic Overview" |
| 8:20-8:30 | Discussion |
| 8:30-9:10 | James B. Howard - Univ. of Minnesota
"Overview of Chemistry and Biochemistry" |
| 9:10-9:20 | Discussion |
| Session 2: 9:00 AM - 12:30 PM, Monday Morning, June 29. |
"Mechanisms of Gene Regulation"
| 9:00-9:20 | Chair: Christina Kennedy, University of Arizona
"Introductory remarks" |
| 9:20-9:50 | Kenton Rodgers-North Dakota SU
"Spectroscopic studies of the heme-based oxygen sensor, FixL" |
| 9:50-10:00 | Discussion |
| 10:00-10:30 | Coffee Break and Group Photo |
| 10:30-10:45 | Eric Soupenne-U.C. Berkeley
"Ammonia acquisition in enteric bacteria: physiological role of AmtB" |
| 10:45-10:50 | Discussion |
| 10:50-11:20 | Stefan Nordlund-Stockholm U
"Transcription of the glnBA operon and the role of ATase in Rhodospirillum rubrum" |
| 11:20-11:30 | Discussion |
| 11:30-12:00 | Martin Drummond-John Innes Centre
"Multiple signals integrated by AnfA and VnfA in transcriptional control of the alternative nitrogenases" |
| 12:00-12:10 | Discussion |
| 12:10-12:25 | Emanuel Maltempi de Souza-UFPR Brazil
"Control of the activity of NifA in Herbaspirillum seropedicae" |
| 12:25-12:30 | Discussion |
| 12:30 | Lunch |
| Session 3: 4:00 PM - 5:30 PM, Monday Afternoon, June 29 |
"Poster Session-Regulation"
Chair-Ruth Schmitz, Gottingen-Germany
- Speakers selected from posters
| Session 4: 7:30 PM - 10:00 PM, Monday Evening, June 29. |
"Related Systems"
| 7:30-7:40 | Chair: Lance Seefeldt, Utah State University |
| 7:40-8:20 | Robert Hausinger-Michigan State University
"Urease" |
| 8:20-8:30 | Discussion |
| 8:30-9:10 | Ortwin Meyer-Germany
"Superoxide-dependent nitrogenase" |
| 9:10-9:20 | Discussion |
| 9:20-9:50 | Huub Haaker-Netherlands
"Nitrogenase mechanism" |
| 9:50-10:00 | Discussion |
| Session 5: 9:00 AM - 12:30 PM, Tuesday Morning, June 30. |
"Biochemical Mechanism-Part I"
| 9:00-9:10 | Chair: Barbara Burgess, UC-Irvine |
| 9:10-9:35 | Douglas Rees-CalTech
"Nitrogenase structures" |
| 9:35-9:45 | Discussion |
| 9:45-10:10 | Hayley Angove-UC Irvine
"The roles of an all ferrous Fe protein" |
| 10:10-10:20 | Discussion |
| 10:20-10:50 | Coffee break |
| 10:50-11:15 | Britt Hedman-Stanford
"XAS studies of nitrogenase" |
| 11:15-11:25 | Discussion |
| 11:25-11:50 | Brian Hales-LSU
"Acetylene interactions with nitrogenase" |
| 11:50-12:00 | Discussion |
| 12:00-12:20 | Gary Watt-Brigham Young Univ.
"ATP and the all ferrous Fe protein" |
| 12:20-12:30 | Discussion |
| 12:30 | Lunch |
| Session 6: 7:30 PM - 10:00 PM, Tuesday Evening, June 30. |
"Biochemical Mechanism-Part II"
| 7:30-7:40 | Chair: Roger Thorneley, John Innes Centre |
| 7:40-8:05 | C.J. Pickett-John Innes Centre
"FeMoco electrochemistry" |
| 8:05-8:15 | Discussion |
| 8:15-8:40 | S.J. George-John Innes Centre
"Time resolved infra-red spectroscopy of functioning nitrogenase" |
| 8:40-8:50 | Discussion |
| 8:50-9:15 | David Lowe-John Innes Centre
"ENDOR and ESEEM studies on nucleotide binding to nitrogenase" |
| 9:15-9:25 | Discussion |
| Session 7: 9:00 AM - 12:30 PM, Wednesday Morning, July 1. |
"Metallocenter Assembly"
| 9:00-9:10 | Chair: Paul Ludden, University of Wisconsin |
| 9:10-9:30 | Gary Roberts-U. of Wisconsin
"Maturation of the NifDK gene products-the role of gamma" |
| 9:30-9:40 | Discussion |
| 9:40-10:05 | C. Rutiman-Johnson-U. Wisconsin
"The role of VnfX in the biosynthesis of FeV-co" |
| 10:05-10:15 | Discussion |
| 10:15-10:40 | Coffee break |
| 10:40-11:05 | Dorothea Kessler-Germany
"Cysteine C-S-lyase in FeS cluster synthesis" |
| 11:05-11:15 | Discussion |
| 11:15-11:40 | Werner Klipp-Germany
"Molybdenum metabolism in Rhodobacter capsulatus" |
| 11:40-11:50 | Discussion |
| 11:50-12:05 | P.J. Goodwin-VPI
"NifNE properties" |
| 12:05-12:10 | Discussion |
| 12:10-12:25 | Richard Pau-John Innes Centre
"Early steps in molybdenum metabolism" |
| 12:25-12:30 | Discussion |
| 12:30 | Lunch |
| Session 8: 4:00 PM - 5:30 PM, Wednesday Afternoon, July 1. |
"Poster Session-Mechanism/Assembly"
Chair-John Peters, Utah State University
| W. Lanzilotta-Utah S.U.
"Role of nitrogenase P-clusters" |
| N. Gavini-Bowling Green SU
"A possible role for the NifM in biological nitrogen fixation" |
| -Additional speakers selected from posters |
| Session 9: 7:30 PM - 10:20 PM, Wednesday Evening, July 1. |
"Chemistry of Nitrogen Fixation"
| 7:30-7:40 | Chair: Edward Stiefel, Exxon Research |
| 7:40-8:10 | Richard Holm-Harvard
"Metallocenter models of nitrogenase" |
| 8:10-8:20 | Discussion |
| 8:20-8:50 | Dieter Sellmann-Germany
"The relevance of chemical principles and structural copies for the N2 fixation problem" |
| 8:50-9:00 | Discussion |
| 9:00-9:30 | Richard Henderson-John Innes Centre
"Why R-homocitrate is essential for nitrogen fixation: Kinetic studies on extracted FeMo-cofactor" |
| 9:30-9:40 | Discussion |
| 9:40-10:10 | Dimitri Coucouvanis-Univ. of Michigan
"Synthesis and reactivity
of new Fe/Mo/S clusters of possible relevance to nitrogenase function" |
| 10:10-10:20 | Discussion |
| Session 10: 9:00 AM - 12:30 PM, Thursday Morning, July 2. |
"Nitrogen Cycle"
| 9:00-9:10 | Chairs: Dan Arp, Oregon State Univ. and Walter Zumft, Germany |
| 9:10-9:40 | Dan Arp-Oregon S.U.
"Ammonia monooxygenase from Nitrosomonas europaea" |
| 9:40-9:50 | Discussion |
| 9:50-10:20 | David Arciero-U. of Minnesota
"Hydroxylamine oxidoreductase of Nitrosomonas" |
| 10:20-10:30 | Discussion |
| 10:30-10:50 | Coffee break |
| 10:50-11:20 | Walter Zumft-Germany
"Denitrification reactions" |
| 11:20-11:30 | Discussion |
| 11:30-12:00 | Michael Barber-U. of South Florida
"Nitrate reductase" |
| 12:00-12:10 | Discussion |
| 12:30 | Lunch |
| Session 11: 8:00 PM - 9:30 PM, Thursday Evening, July 2. |
Round Table Discussion: "Challenges for the Next Two Years"
Discussion Leader: William Newton, VPI.
- Panelists:
- Roger Thorneley, John Innes Centre
- Barry Smith, John Innes Centre
- Cees Veeger, The Netherlands
- Christina Kennedy, University of Arizona
|
