The 4th International Mycovirus Symposium PROGRAM

Conference venue: Molecular building, conference room 103

Wednesday, 11 October 2017

Opening Session

Chairperson: Daohong Jiang

08:30-08:50 Welcome speech by Dr. Chi Gao, the vice president of Huazhong Agricultural University

　　　　 　Opening speech by Dr. Nobuhiro Suzuki, Okayama University

08:50-09:00 Take photo

Keynote lecture

Chairperson: Nobuhiro Suzuki

09:00-09:40 　Anti-Prion Systems in Saccharomyces cerevisiae

Reed B. Wickner, National Institute of Diabetes and Digestive and Kidney Diseases, NIH, Bethesda, MD, USA

09:40-10:30 　Hypovirus research: from wandering spot to super mycovirus donor strains

Donald L. Nuss, IBBR, University of Maryland, USA

10:30-10:40 　Tea break

Session 1: Virus host interaction I

Chairperson: Daohong Jiang

10:40-11:10 　A neo-virus lifestyle exhibited by a (+) ssRNA virus hosted in an unrelated dsRNA virus: taxonomic and evolutionary considerations

Nobuhiro Suzuki, Okayama University, Japan

11:10-11:40 　Hypovirus-mediated modulation of polyamine synthesis

Angus Dawe, Mississippi State University, USA

11:40-12:10 　Distinct modes of host-adaptation between dicot and monocot powdery mildew

Shunyuan Xiao, University of Maryland, China

12:10-13:00 　 Lunch

Session 2: Functional analyses of mycoviruses

Chairperson: Shin-Yi Marzano

14:00-14:30 　 Exploring fungal DNA virus to control fungal plant disease

Daohong Jiang, Huazhong Agricultural University, China

14:30-15:00 　 Inhibition of megabirnavirus infection by RNA silencing in the white root rot fungus, Rosellinia necatrix

Hajime Yaegashi, Apple Research Division, NIFTS, NARO, Japan

15:00-15:20 　 Magnaporthe oryzae chrysovirus 1 strain A infection triggers reduced virulence and pathogenic race conversion of the host fungus, Magnaporthe oryzae

　　　　　　　　　　　　　 Ken Komatsu, Tokyo University of Agriculture & Technology, Japan

15:20-15:40 　 Infection of two heterologous mycoviruses reduced virulence of Valsa mali, a fungal agent of Valsa canker disease in fruit trees

Lakha Salaipeth, King Mongkut's University of Technology Thonburi, Thailand

16:10-16:20 　 Tea break

Session 3: Mycoviral diversity/new mycoviruses I

Chairperson: Kook-Hyung Kim

16:20-16:50 　 The diversities of mycoviruses in Botryosphaeria dothidea populations.

Liying Sun, Northwest A&F University, China

16:50-17:20 　 Towards the biological characterization of mycoviruses from a collection of marine fungi isolated from the seagrass Posidonia oceanica, and the marine invertebrate Holothuria poli (sea cucumber)

Massimo Turina, Institute for sustainable plant protection, Italy

17:20-17:40 　 A novel double-stranded RNA mycovirus in a new species of the genus Psudopestalotiopsis isolated from a healthy plant leaf

Kaoru Kusano, Tamagawa University, Japan

18:00-19:30 　Symposium banquet

CLOSE DAY 1

Thursday, 12 October 2017

Session 4: Virus host interaction II

Chairperson: Liying Sun

08:30-09:00 　 Reprogramming of Sclerotinia sclerotiorum mRNA and small RNA production in response to hypovirus infection

Shin-Yi Marzano, South Dakota State University, USA

09:00-09:30 　 Host-specific RNA silencing (Dicer)-mediated virus interference revealed by characterizing a new fungal partitivirus

Sotaro Chiba, Nagoya University, Japan

09:30-09:50 　 Depletion of the “stealth” a-1,3-glucan caused by mycovirus infection.

Shin Kasahara, Miyagi University, Japan

09:50-10:10 　 Fusarium graminearum defense and FgHV1 counter defense strategies

Shuangchao Wang, Chinese Academy of Agricultural Sciences, China

10:10-10:20 　Tea break

Session 5: Mycoviral diversity/new mycovirus II

Chairperson: Massimo Turina

10:20-10:50 　Evolution of mycovirus

María A. Ayllón, Universidad Politécnica de Madrid, Spain

10:50-11:20 　 The diversity of virus in the plant pathogenic fungus Sclerotinia sclerotiorum

Jiatao Xie, Huazhong Agricultural University, China

11:20-11:40 　 Molecular characterization of endornaviruses in an asparagus pathogenic oomycetes Phytophthora sp.

Yumi Takahashi, Tokyo University of Agriculture and Technology, Japan

11:40-13:00 　 Lunch

Session 6: Virus host interaction III

Chairperson: Hajime Yaegashi

14:00-14:20　 Avoidance of antiviral RNA silencing by Cryphonectria mitovirus 1 revealed by the expansion of its hosts.

Sabitree Shahi, Okayama University, Japan

14:20-14:40 　 Induction and suppression of RNAi components in Fusarium graminearum mediated by infections of Fusarium graminearum viruses

Jisuk Yu, Seoul National University, Korea

14:40-15:00 　 Role of the MAPK signaling pathways in regulation of the hyrophobin, cryparin, from Cryphonectria parasitica

Kum-Kang So, Chonbuk National University, Korea

15:00-15:10 　 Tea break

Session 7: Mycoviral diversity/new mycovirus III

Chairperson: Guoqing Li

15:10-15:40 　Genome organizations and functions of two novel mycoviruses Infecting Rhizoctonia solani AG-1 IA, the causal agent of rice sheath blight

Erxun Zhou, South China Agricultural University, China

15:40-16:10 　 Mycoviruses and their role in Botrytis biology

Mingde Wu, Huazhong Agricultural University, China

16:10-16:40 　 Four mycoviruses of the order Tymovirales isolated from the plant pathogenic fungus Fusarium graminearum

Lihua Guo, Chinese Academy of Agricultural Science, China

16:40-17:00　 The diversities of mycoviruses in Magnaporthe orzyae and Bipolaris maydis populations

Qingchao Deng, Yangtze University, China

17:00-17:20 　 Sclerotinia minor endornavirus 1, a novel pathogenicity debilitation associated mycovirus with a wide spectrum of transmissibility

Dan Yang, Huazhong Agricultural University, China

17:20-18:30 　Supper

CLOSE DAY 2

Friday, 13 October 2017

Session 8: Mycoviral diversity/new mycovirus IV

Chairperson: Jiatao Xie

08:30-08:50 　 Next-Generation Sequencing of Fungal Viromes Reveals Cryptic Mycoviral Diversity

Jillian Myers, University of Michigan, USA

08:50-09:10 　 Identification of a novel chrysovirus in Pestalotiopsis theae

Wenxing Xu, Huazhong Agricultural University, China

09:10-09:30 　 Molecular characterization of new mycoviruses relative to MoCV1 detcted from Japanese isolate of M. oryzae

Tomoya Higashiura, Tokyo University of Agriculture & Technology, Japan

09:30-09:50 　 Fungicide sensitivity of Japanese isolates of an asparagus Phytophthora rot pathogen infected with an endornavirus

Keiko Uchida, Tokyo University of Agriculture & Technology, Japan

09:50-10:00 　 Tea break

Session 8: Virus host interaction IV

Chairperson: Angus Dawe

10:00-10:30 　 Identical mitovirus in three intercontinental isolates of an obligate plant symbiont Rhizophagus clarus: absence in the host genome and selective replication in acidic soil

Tatsuhiro Ezawa, Hokkaido University, Japan

10:30-10:50 　 Ecological adaption of Sclerotinia Sclerotiorum strain SH051 co-infected with fifteen different mycoviruses

Songsong Wu, Huazhong Agricultural University, China

10:50-11:10 　 RNA-seq based transcriptome analysis of chestnut blight fungus Cryphonectria parasitica infected by hypovirus

Jeesun Chun, Chonbuk National University, South Korea

11:10-11:30　 Characterization of mitoviruses found in Ethiopian isolates of Fusarium spp.

　　　　　　 Yukiyoshi Mizutani, Nagoya University, Japan

11:30-11:50 　 Symposium Summary

Chairperson: Daohong Jiang

12:00-onwards　 Field investigation (14:00- )