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M. Tyler (7). (1) Cornell University, Ithaca, NY,
U.S.A., (2) European Bioinformatics Institute,
Hinxton, UK, (3) J. Craig Venter Institute,
Rockville, MD, U.S.A., (4) North Carolina State
University, Raleigh, NC, U.S.A., (5) University of
Maryland School of Medicine, Baltimore, MD,
U.S.A., (6) University of Wisconsin, Madison,
WI, U.S.A., (7) Virginia Bioinformatics Institute,
Virginia Tech, Blacksburg, VA, U.S.A., (8) Wells
College, Aurora, NY, U.S.A.
1:10 p.m. P-437 Identifying differences in gene expression
between Race 1 and Race 3 strains of Ralstonia
solanacearum during bacterial wilt disease
development at warm and cool temperatures. J.
M. JACOBS (1), F. Meng (1), C. Allen (1). (1)
University of Wisconsin, Department of Plant
Pathology, 1630 Linden Dr., Madison, WI,
U.S.A.
1:15 p.m. P-76 Variations of whole genome sequences
of Xylella fastidiosa strains within the same
pathotype. J. CHEN (2), G. Xie (1), S. Han
(1), E. Civerolo (2). (1) Los Alamos National
Laboratory, Los Alamos, NM, U.S.A., (2) USDA-
ARS, Parlier, CA, U.S.A.
1:20 p.m. P-439 The virulence mechanisms of Xylella
fastidiosa in xylem fluid of citrus and grapevines.
X. SHI (2), J. Bi (1), N. Toscano (1), D.
Cooksey (2). (1) Department of Entomology,
University of California, Riverside, CA,
U.S.A., (2) Department of Plant Pathology and
Microbiology, University of California, Riverside,
CA, U.S.A.
1:25 p.m. P-440 Differentiation of Xylella fastidiosa
subspecies piercei isolates from a Texas vineyard
into strain groups utilizing simple sequence
repeat markers. C. P. TORRES (1), D. N.
Appel (1), L. Morano (2). (1) Texas A&M
University, Department of Plant Pathology and
Microbiology, College Station, TX, U.S.A., (2)
University of Houston-Downtown, Department
of Natural Science, Houston, TX, U.S.A.
1:30 p.m. P-441 A horizontally acquired cellulose synthase
operon in Dickeya dadantii contributes to
biofilm formation and attachment to plants. C.
E. JAHN (1), J. Apodaca (2), N. T. Perna (2),
A. O. Charkowski (1). (1) Department of Plant
Pathology, University of Wisconsin-Madison,
Madison, WI, U.S.A., (2) Genome Center of
Wisconsin, University of Wisconsin-Madison,
Madison, WI, U.S.A.
1:35 p.m. P-438 Genomics of secondary metabolite
production by Pseudomonas fluorescens Pf-5. J.
E. LOPER (3), I. Paulsen (1), D. Bruck (3),
M. Pechy-Tarr (5), M. Maurhofer (2), C. Keel
(5), H. Gross (4). (1) Macquarie University,
Sydney, Australia, (2) Swiss Federal Institute of
Technology, Zurich, Switzerland, (3) USDA-ARS,
Corvallis, OR, U.S.A., (4) University of Bonn,
Bonn, Germany, (5) University of Lausanne,
Lausanne, Switzerland
Fungal Ecology
1:00 – 1:35 p.m. *211 AB
Moderator: Michael J. Boehm, Ohio State University,
Columbus, OH
1:00 p.m. P-35 Phylogeography and sequence diversity of
genetic lineages of the grapevine powdery mildew
fungus, Erysiphe (Uncinula) necator, in North
America, Europe, and Australia. M. T. BREWER
(1), M. G. Milgroom (1). (1) Dept. of Plant
Pathology and Plant-Microbe Biology, Cornell
University, Ithaca, NY, U.S.A.
1:05 p.m. P-55 Assessing Pythium population dynamics
from different soil regions in Ohio. K. D.
BRODERS (1), M. Wallhead (1), P. A. Paul (1),
P. E. Lipps (1), A. E. Dorrance (1). (1) The Ohio
State University, OARDC, Wooster, OH, U.S.A.
1:10 p.m. P-496 The novel Cladosporium fulvum effector
Ecp6 contains lysine motifs that may act as
carbohydrate-binding modules. R. DE JONGE
(1), M. D. Bolton (1), H. van Esse (1), B.
Thomma (1). (1) Wageningen University and
Research Centre, Laboratory of Phytopathology,
Wageningen, The Netherlands
1:15 p.m. P-61 Viability of Phytophthora ramorum after
passage through slugs. J. L. PARKE (1), A.
Oguchi (2), E. J. Fichtner (2), D. M. Rizzo (2).
(1) Oregon State University, Corvallis, OR,
U.S.A., (2) University of California-Davis, Davis,
CA, U.S.A.
1:20 p.m. P-31 Fusarium comparative genomics. L. MA
(1). (1) The Broad Institute of Harvard and MIT
1:25 p.m. P-63 Sporulation on plant roots by Phytophthora
ramorum. N. SHISHKOFF (1). (1) USDA/ARS/
FDWSRU
1:30 p.m. P-26 An approach to restore sexuality in
Fusarium oxysporum. S. Imai (1), T. Teraoka (1),
T. ARIE (1). (1) Tokyo University of Agriculture
and Technology (TUAT), Tokyo, Japan
Detection
1:00 – 1:40 p.m. *211 CD
Moderator: Albert K. Culbreath, University of Georgia,
Tifton, GA
1:00 p.m. P-108 A rapid diagnostic tool for detecting
benzimidazole resistance in Cercospora beticola, the
causal agent of Cercospora leaf spot in sugarbeet.
J. O. OBUYA (2), L. E. Hanson (1), W. L.
Stump (2), G. D. Franc (2). (1) USDA-ARS
SBRU, Michigan State University, East Lansing,
U.S.A., (2) University of Wyoming, Laramie, WY,
U.S.A.
1:05 p.m. P-113 Occurrence of a whitefly transmitted
Carlavirus in soybean in Puerto Rico. J. V.
RODRIGUES (1), D. Viteri (1), C. Estévez de
Jensen (1), E. W. Kitajima (2). (1) University of
Puerto Rico, Department of Crop Protection,
Mayaguez, Puerto Rico, (2) University of Sao
Paulo, Piracicaba, SP, Brazil
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