Welcome Address
M. Katsuki (National Institute for Basic Biology)
9:15-09:30
“Reproduction as a Subject of Integrative Biology”
M. H. Wake (University of California, Berkeley)
9:30-10:30
Opening Lecture (Chair: M. Hoshi)
“Why Does Sexual Reproduction Exist?”
M. S. Meselson (Harvard University)
10:30-10:50
Break
10:50-12:50
Session 1. Origin and Evolution of Sexual Reproduction (Chair: Tim Birkhead)
“Sex as a Strategy to Fight against 'Non-Self' DNA”
I. Kobayashi (University of Tokyo)
“Reproduction Strategies and Configurations of Genetic Materials”
F. Ishikawa (Kyoto University)
“Gender Expression and Evolution: One or Two Sexes per Individual Makes a Big Difference”
N. Michiels (University of Tuebingen)
“Transition from Fissiparous to Oviparous Form by a Sexualizing Substance(s) in the Planarian Dugesia ryukyuensis”
K. Kobayashi (Keio University)
12:50-14:00
Lunch and Poster Session-1
14:00-15:30
Session 2. Determination and Differentiation of Sex (Chair: S. Kobayashi)
“Sex Chromosome Evolution in the X0 Mammal, the Amami Spiny Rat (Tokudaia osimensis)”
A. Kuroiwa (Hokkaido University)
“Sex Determination and Differentiation in Fish”
Y. Nagahama (National Institute for Basic Biology)
“Molecular Mechanisms Underlying Gonad Differentiation”
K. Morohashi (National Institute for Basic Biology)
15:30-15:50
Break
15:50-18:20
Session 3. Germ Differentiation and Meiosis (Chair: M. Hasebe)
“Germline-Soma Differentiation: Can Phylogeny Predict Molecular Mechanisms of Germ Cell Specification?”
C. G. M. Extavour (University of Cambridge)
“Early Segregation of Germ and Somatic Lineages during Gonadal Regeneration in the Annelid, Enchytraeus japonensis”
Y. Takahashi (Nara Institute of Science and Technology)
“Postembryonic Germ Cell Formation from Multipotent Haemoblasts in Colonial Ascidians”
T. Sunanaga (Kochi University)
“The Stability of Meiosis-Specific Messenger RNA Provides a Novel Paradigm for the Regulation of Meiosis in Fission Yeast”
M. Yamamoto (University of Tokyo)
“Cell Cycle Arrest Awaiting Fertilization”
K. Tachibana and T. Kishimoto (Tokyo Institute of Technology)
January 22 (Sunday)
9:00-10:30
Session 3. Germ Differentiation and Meiosis (continued)
“The Mechanisms Underlying Pole Cell Formation and Differentiation in Drosophila Embryos”
S. Kobayashi (National Institute for Basic Biology)
“Mechanism of Meiosis Initiation during Spermatogenesis”
S. Abe (Kumamoto University)
“Derivation of Germ Cells from ES Cells and Sexual Differentiation in Culture”
T. Noce (Mitsubishi-Kagaku Institute of Life Sciences)
10:30-10:50
Break
10:50-12:20
Session 4. Gamete Interactions (Chair: K. Morohashi)
“Ion Channels and Sperm Physiology”
A. Darszon (Universidad Nacional Autonoma de Mexico)
“Ovulation and Egg Activation in Drosophila”
T. Aigaki (Tokyo Metropolitan University)
“Molecular Mechanism of Sperm Activation in the Ascidian Ciona intestinalis”
K. Inaba (University of Tsukuba)
12:20-13:50
Lunch and Poster Session-2 (Explanation by the Authors)
13:50-14:50
Session 4. Gamete Interactions (continued)
“Observation of Sperm-Egg Interaction through Gene-Manipulated Mouse Line”
M. Okabe (Osaka University)
“Tandem Repeats and the Evolution of Species-Specific Fertilization in Free Spawning Marine Invertebrates”
V. D. Vacquier (University of California, San Diego)
14:50-16:20
Session 5. Allo-Recognition in Sexual Reproduction (Chair: M. Hoshi)
“Molecular Basis of Sperm-Egg Interaction in Ascidian Fertilization”
H. Sawada (Nagoya University)
“MHC Relatedness Affects Pre- and Post-Copulatory Reproductive Tactics in a Lizard”
M. Olsson (University of Wollongong)
“Fetomaternal Relationships of Viviparous Reptiles”
J. R. Stewart (East Tennessee State University)
16:20-16:40
Break
16:40-19:10
Session 6. Epigenetics (Chair: M. Wada)
“Epigenetic Inheritance of Developmental Variation, Transposon Activity, and DNA Methylation in Arabidopsis”
T. Kakutani (National Institute of Genetics)
“Non-Mendelian Inheritance of DNA Sequence Information in Arabidopsis”
R. E. Pruitt (Purdue University)
“Evolution of Floral Homeotic Genes in Land Plants”
M. Hasebe (National Institute for Basic Biology)
“Epigenetic Control of Meiosis by a Novel Histone Methyltransferase,
Meisetz”
Y. Matsui (Tohoku University)
“The Necessity of Genomic Imprinting in Mammals”
F. Ishino (Tokyo Medical and Dental University)
January23 (Monday)
9:00-10:30
Session 7. Evolution and Adaptation of Embryos and Larvae (Chair: Y. Nagahama)
“Strategies of Robustness during Development”
D. Epel (Stanford University)
“Reproductive Strategies in Colonial Animals”
C. Nielsen (University of Copenhagen)
“Consequences of Evolutionary Pressure on Reproduction and Developmental Strategies in Annelids”
A. Dorresteijn (Justus-Liebig-Universitat Giessen)
10:30-11:00
Break
11:00-12:30
Session 7. Evolution and Adaptation of Embryos and Larvae (continued)
“Thyroid Hormones as Regulators of Complex Life Histories in Marine Invertebrates”
A. Heyland (Whitney Laboratory)
“Modifications of Larval Form, Function, and Metamorphosis in Direct-Developing and Live-Bearing Amphibians”
M. H. Wake (University of California, Berkeley)
“Evolution of Life History and Complex Life Cycle”
Y. Iwasa (Kyushu University)
12:30-14:00
Lunch
14:00-15:30
Session 8. Conflict and Competition in Sexual Reproduction (Chair: M. Wake)
“Genetic Conflict and the Origins of Asymmetric Genetic Systems”
B. Normark (University of Massachusetts, Amherst)
“Sperm Precedence Revisited by Tracking Down Rival Sperm within Females”
D. Joly (Centre National de la Recherche Scientifique)
“Reproductive Conflict in Ant Societies”
J. Heinze (University of Regensburg)
15:30-16:00
Break
16:00-17:00
Session 8. Conflict and Competition in Sexual Reproduction (continued)
“Pre- and Post-Copulatory Sexual Selection in Birds”
T. Birkhead (University of Sheffield)
“Experimental Tests of Sex Allocation Theory in a Simultaneous Hermaphrodite, the Free-Living Flatworm Macrostomum lignano”
L. Scharer (University of Innsbruck)
17:00-17:30
“Conclusions and Prospects” (Chair: M. Hoshi)
M. H. Wake (University of California, Berkeley)