Signal Transduction
Membrane transporters
 Parasitic interactions nematodes, insects and fungi
 Spores, sporulation and hyphal morphogenesis
 DNA repair and genome stability,

Concurrent Session IV



Signal Transduction, Chapel

Jin-Rong Xu, Bruce Miller


3:00-3:05Bruce Miller, University of Idaho. Jin-Rong Xu, Purdue University


3:05-3:25 Svetlana Krystofova, Katherine Borkovitch. University of California-Riverside.

A novel family of G protein coupled receptors in Neurospora.


3:25-3:45Jaehyuk Yu, University of Wisconsin.

Heterotrimeric G protein signaling in Aspergillus nidulans.


3:45-4:05 Kiminori Shimizu, Julie Hicks, Tzu-Pi Huang and Nancy P. Keller. University of Wisconsin.

Pka, Ras and RGS protein interactions regulate sterigmatocystin biosynthesis in Aspergillus nidulans.


4:05-4:25Michael Perlin, University of Louisville.

Fungal Dimorphism: The action of the morphogenetic ammonium permeases requires their ability to be phosphorylated, possibly by PKA.


4:25-4:40Break


4:40-5:00Steven Klosterman, Maria Mayorga, Al Fredo Martinez-Espinoza, and Scott Gold.

University of Georgia. Ubc2, a novel adaptor protein conserved in basidiomycetes is critcal for virulence.


5:00-5:20Chaoyang Xue, Gyungsoon Park, and Jin-Rong Xu. Purdue University.

Further characterization of the PMK1 MAP kinase pathway in Magnaporthe grisea.


5:20-5:40Hee-Sool Rho, Jinhee Choi, Yangseon Kim, Soonok Kim, and Yong-Hwan Lee. Seoul National University.

Calcium signaling on infection-related morphogenesis and pathogenicity of Magnaporthe grisea.


5:40-6:00 Silke Busch, S.E.Eckert, S.Krappmann and G.H.Braus. Georg-August University-Goettingen.

The COP9 signalosome is an essential regulator of development in the filamentous fungus Aspergillus nidulans.



Membrane transporters, Fred Farr Forum

Arnold Driessen, Greg Upchurch


3:00-3:05 Introductory Remarks


ABC Transporters



3:05-3:25S. Boisnard, D. Zickler, M. Picard, and V. Berteaux-Lecellier. Institut de Génétique et Microbiologie, UMR 8621 Université Paris-Sud Bat. 400, 91405 Orsay cedex France.

Identification and role of peroxisomal ABC transporters in the sexual development of the filamentous fungus Podospora anserina



3:25-3:45 Melchior Evers1, Hein Trip1, Jeroen Nijland1, Marco van den Berg2, Roel Bovenberg2, and Arnold Driessen1 1Biological Center, Haren, The Netherlands. 2DSM Anti-infectives, Delft, The Netherlands.

Identification of beta-lactam production related ABC transporters in Penicillium chrysogenum



3:45-4:05 Uvini Gunawardena1, Olen Yoder1 and Gillian Turgeon2 1 Torrey Mesa Research Institute, San Diego, CA 2 Cornell University, Ithaca, NY

Genomic analysis, deletion and the characterization of Multidrug tranporters of a fungal plant pathogen, Cochliobolus heterostrophus


4:05-4:25 Lute-Harm Zwiers, Ioannis Stergiopoulos and Maarten A. De Waard. Laboratory of Phytopathology, Department of Plant Sciences, Wageningen University, Wageningen, the Netherlands

ABC transporters of Mycosphaerella graminicola involved in pathogenesis and multidrug resistance


4:25-4:40 Coffee break



Secondary Transporters


4:40-5:00 Stephen Abreu, Emilio Margolles-Clark and Barry Bowman. University of California, Santa Cruz CA 95064

Characterization of Putative Calcium Transport Proteins in the Vacuole of Neurospora crassa


5:00-5:20 Erika Kothe, Katrin Krause, Doreen Müller. Microbiology, FSU Jena, Germany.

High affinity phosphate uptake in ectomycorrhizal Tricholoma species


5:20-5:40 David G. Smith1, Maria D. Garcia-Pedrajas2, Scott E. Gold2, and Michael H. Perlin1. 1 University of Louisville, Louisville, Kentucky, USA and 2 University of Georgia, Athens, Georgia, USA

Filamentous growth and ammonium uptake in Ustilago maydis and Saccharomyces cerevisiae: the methylammonium permease, Ump2, performs both functions


5:40-6:00 Hubertus Haas, Martin Eisendle, Ivo Zadra and Harald Oberegger Department of Molecular Biology, University of Innsbruck, Fritz-Pregl-Str. 3, A-6020 Innsbruck, Austria

The siderophore system is essential for viability of Aspergillus nidulans:it is the major iron uptake system and its lack causes oxidative stress



Parasitic interactions nematodes, insects and fungi, Kiln

Ray St Leger, Anders Tunlid


3:00- 3:32 Gang Hu, Department of Entomology, University of Maryland, USA

EST and microarray analysis of pathogenicity factors of the insect pathogen Metarhizium anisopliae


3:20 - 3:40 Velázquez-Robledo Rocío, Department of Plant Genetic Engineering, Centro de Investigación y Estudios Avanzados, México

Analysis of the MAP kinase-signalling pathway in the mycoparasitic response of Trichoderma atroviride

3:40 - 4:00 Helena Nevalainen, Department of Biological Sciences Macquarie University, Sydney, Australia

Fungal proteomics: initial mapping of biological control strain Trichoderma harzianum

4:00 - 4:20 Coffee break

4:20 - 4:40 Andy Bailey, School Biological SciencesUniversity of Bristol, UK

Molecular investigations into the mushroom pathogen Verticillium fungicola

4:40 - 5:00 Anders Tunlid, Department of Microbial Ecology, Lund University, Sweden

Transcript profiling of the fungus Monacrosporium haptotylum during infection of the nematode Caenorhabditis elegans



Spores, sporulation and hyphal morphogenesis, Merrill

J. Wendland & F. Trail

3:00-3:05 Introductory Remarks

3:05-3:25 S. Poeggeler and Ulrich Kueck, Ruhr Universität, Bochum, Germany

The Molecular Genetics of Sordaria Fruiting Body Development

3:25-3:45 Frances Trail and Luis Velasquez, Michigan State University, East Lansing, MI

Active ascospore discharge in Gibberella zeae

3:45-4:05 Flora Bannuett and Wei Wei, University of California, San Francisco

Genetic and cell biological analysis of cell morphogenesis in Ustilago maydis

4:05-4:25 Maita Latijnhouwers, Wilco Ligterink, Vivianne G.A.A. Vleeshouwers, Pieter van West and Francine Govers, Wageningen University, The Netherlands.

Subunits of heterotrimeric G-proteins control sporangium formation and zoospore motility in Phytophthora infestans.

4:25-4:40 Coffee Break

4:40-4:55 Kaphoon Han, University of Wisconsin, Madison, WI

A putative G protein coupled receptor regulates hyphal growth in combination with sexual development in Aspergillus

4:55-5:10 Nancy M. Lee, University of British Columbia, Vancouver, B.C.

Ras and lipid signaling in Ustilago maydis

5:10-5:25 Maria D. Garcia-Pedrajas and Scott Gold, University of Georgia, Athens, GA

Subtractive hybridization to identify genes differentially expressed in dimorphism in Ustilago maydis

5:25-5:40 Juergen Wendland, Friedrich-Schiller University, Hans-Knoell Institute, Jena, Germany

The roles of WASP-homologs for polarized hyphal morphogenesis in Ashbya gossypii and Candida albicans

5:40-5:55 Steve D. Harris, University of Connecticut, Farmington, CT

Control of hyphal morphogenesis by polarisome-dependent and independent pathways

5:55-6:00 Concluding Remarks



DNA repair and genome stability, Nautilus

Mimi Zolan and Steven Harris

3:00 Chizu Ishii, Laboratory of Genetics, Saitama University, Saitama, Japan.

Checkpoint control genes in Neurospora crassa.

3:15 Sarah Lea McGuire, Millsaps College, Jackson, MS, USA.

The snxA1 gene of Aspergillus nidulans affects the DNA damage checkpoint.

3:30 Gustavo Goldman, FCFRP, Universidade de Sao Paulo, Sao Paulo, Brazil

Different roles of the mre11 complex in the DNA damage response in Aspergillus nidulans.

3:45 Alexander Many, Department of Biology, Indiana University, Bloomington, IN, USA

Requirements for formation of meiotic double-strand breaks in Coprinus cinereus.

4:00 Steven Harris, Plant Science Initiative, University of Nebraska, Lincoln, NE, USA.

SepB is required for the formation DNA damage-induced sub-nuclear UvsC foci.

4:10 Break

4:30 Jane Yeadon, School of Biological Sciences, Flinders University, Adelaide, South Australia.

The effect of mismatch repair knockouts on recombination in Neurospora.

4:45 W. Sakai, Saitama University, Japan.

Isolation and characterization of DNA polymerase mutants which are involved in DNA repair and mutagenesis of Neurospora crassa.

5:00 Benjamin Horwitz, Department of Biology, Technion – Israel Institute of Technology, Haifa, Israel.

Photoinduction of the Trichoderma photolyase gene Phr1: blue light as a

signal of impending UV damage?