Annual Meeting Program Book - American Phytopathological Society

2009 aPs PosTers
■ bIologY of PaThogens
Bacteria – Systematics/Evolution/Ecology
P-250 Revisiting the taxonomy of Candidatus Liberibacter
based on 16s rDNA sequencing from cultured and
uncultured cells. E. SCHUENZEL (1), A. Sechler
(1), R. Shatters (2), E. Stover (2), N. Schaad (1). (1)
USDA, Ft. Detrick, MD, U.S.A.; (2) USDA, Ft.
Pierce, FL, U.S.A.
P-251 Genetic diversity of Candidatus Liberibacter asiaticus
strains from Florida compared to worldwide
populations. E. SCHUENZEL (1), A. Sechler (1),
R. Shatters (2), E. Stover (2), N. Schaad (1). (1)
USDA, Ft. Detrick, MD, U.S.A.; (2) USDA, Ft.
Pierce, FL, U.S.A.
P-252 Development of SSR markers for detection,
genotyping, and genetic diversity study of Citrus
huanglongbing bacterium, Candidatus Liberibacter
asiaticus. H. LIN (1), H. Doddapaneni (2), C.
Chen (3), Y. Duan (4), L. Zhou (5). (1) USDA
ARS PWA, Parlier, CA, U.S.A.; (2) Department
of Biology, Roy J. Carver Center for Comparative
Genomics, University of Iowa, U.S.A.; (3) Guangxi
Citrus Research Institute, Guangxi, China; (4)
USDA-ARS, Fort Pierce, FL, U.S.A.; (5) University
of Florida, Gainesville, FL, U.S.A.
P-253 The genome sequence of Pantoea ananatis. P. de
Maayer (1), S. Venter (1), P. Birch (2), I. Toth (2),
T. COUTINHO (1). (1) Dept. of Microbiology
and Plant Pathology, FABI, University of Pretoria,
Pretoria, South Africa; (2) Plant Pathology, Scottish
Crops Research Institute, Invergowrie, Dundee,
United Kingdom
P-254 Characterization of naturally avirulent strains of
Burkholderia glumae, the causative agent of bacterial
panicle blight of rice. H. KARKI (1), A. Shahjahan
(1), R. Nandakumar (1), M. C. Rush (1), J. Ham
(1). (1) Louisiana State University Agricultural Center,
Baton Rouge, LA, U.S.A.
P-255 Genetic diversity of Enterobacter cloacae. J. E. Peña
(1), T. L. Peever (1), B. K. SCHROEDER (1). (1)
Washington State University, Pullman, WA, U.S.A.
P-256 Molecular diversity of Xanthomonas axonopodis
pv. manihotis in three different agroecological
regions in the Caribbean region of Colombia. C. A.
TRUJILLO (1), A. Jarma (2), C. E. López (3), S.
Restrepo (1), A. J. Bernal (1). (1) Universidad de los
Andes, Bogotá, Colombia; (2) Corporation for the
Sustainable and Participative Management of the
Rural Small Growers in Colombia, PBA, Bogotá,
Colombia; (3) Universidad Nacional de Colombia,
Bogotá, Colombia
P-257 Assessing resistance in wheat to Xanthomonas
translucens pv. undulosa. T. B. ADHIKARI (1), S.
Gurung (1), J. Bonman (2), M. Mergoum (1), S. Ali
(1), P. Singh (3). (1) North Dakota State University,
Fargo, ND, U.S.A.; (2) USDA-ARS, Small Grains
and Potato Germplasm Research Unit, Aberdeen,
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ID, U.S.A.; (3) Global Wheat Program, CIMMYT,
Mexico, D. F., Mexico
P-258 Effect of copper compounds on the survival and
PCR-based detection of the bacterial spot pathogen
on tomato plants. D. A. CUPPELS (1), L. Chen
(1), T. Ainsworth (1). (1) Agriculture and Agri-Food
Canada, London, ON, Canada
P-259 Characterization of a tailocin from Burkholderia.
I. DUARTE (1), G. Wang (1), R. F. Young (1), J.
LiPuma (2), C. F. Gonzalez (1). (1) Texas A&M
University, College Station, TX, U.S.A.; (2) University
of Michigan, U.S.A.
P-260 Flagellar stators MotAB function in biofilm formation
of Erwinia amylovora.J. KOCZAN (1), G. W.
Sundin (1). (1) Michigan State University, East
Lansing, MI, U.S.A.
P-261 Mutation of avrXg1 and flgC genes affect motility
and virulence of Xanthomonas axonopodis pv. glycines.
D. ATHINUWAT (1), T. J. Burr (2), S. Prathuangwong
(3). (1) Dept. of Plant Pathology; (2)
Department of Plant Pathology and Plant-Microbe
Biology; (3) Dept. of Plant Pathology, Kasetsart
University
P-262 Molecular signature of Erwinia amylovora virulence.
D. WANG (1), Y. Zhao (1). (1) University of Illinois,
Urbana, IL, U.S.A.
Fungi – Systematics/Evolution/Ecology
P-263
flash
&
dash Multilocus sequence analysis of Monilinia
P-264
fructigena from China. X. Zhu (1), L. GUO (2). (1)
China Agricultural University, Beijing, Peoples Rep
of China; (2) Plant Pathology Dept., China Agricultural
University, Peoples Republic of China
Lesion expansion of Sclerotinia minor and S. sclerotiorum
on two peanut cultivars. M. BROWN (1),
H. Melouk (2), R. Hunger (1), K. Conway (1). (1)
Department of Entomology and Plant Pathology,
Oklahoma State University, Stillwater, OK, U.S.A.;
(2) USDA-ARS and Department of Entomology
and Plant Pathology, Oklahoma State University,
Stillwater, OK, U.S.A.
P-265 Sexual reproduction influences aflatoxin chemotype
diversity in worldwide populations of Aspergillus
flavus and A. parasiticus. G. G. Moore (1), B.
W. Horn (2), J. L. Elliott (1), K. Hell (3), S. N.
Chulze (4), G. Barros (4), G. Wright (5), M. K.
Naik (6), I. CARBONE (1). (1) North Carolina
State University, Raleigh, NC, U.S.A. (2) National
Peanut Research Laboratory, Dawson, GA, U.S.A.
(3) International Institute of Tropical Agriculture,
Cotonou, Republic of Benin; (4) Departamento de
Microbiologia e Inmunologia, Universidad Nacional
de Rio Cuarto, Cordoba, Argentina; (5) Department
of Primary Industries, Queensland, Kingaroy,
Australia; (6) Department of Plant Pathology,
College of Agriculture, Karnataka, India
P-266 Comparative genomics of Aspergillus flavus and
A. oryzae revealed nearly identical genomes but