Provisional Programme XVth IASPRR congress on Sexual Plant Reproduction, 1998

= Regulation, interaction, development =

PCM-WAU/CPRO-DLO, Wageningen
August 17 - 20, 1998

SUNDAY, AUGUST 16

16.00-20.00

Registration

17.00-19.00

Reception

MONDAY, AUGUST 17

08.00-09.00

Registration

OPENING SESSION
Place: "Haakzaal"

09.00-09.05

Opening and Welcome
Willemse, Prof.dr. M.T.M.

09.05-09.25

Sexual Plant Reproduction Research at the Wageningen University and Research Centre
Karssen, Prof.dr. C.J., Rector Magnificus Wageningen University

09.25-09.45

Sexual Plant Reproduction Research in actual practice
Cornellissen, Dr. M
., Plant Genetic Systems, Gent, Belgium

09.45-10.00

Sexual Plant Reproduction Research and the European Community
Cresti, Prof.dr. M.,
University of Siena, Italy

10.00-10.30

COFFEE/TEA

Session 1: GENERAL
Chairman: M. Cresti
Place: "Haakzaal"

10.30-11.00

Kater, M.M.: Sex determination in the monoecious species cucumber is restricted to specific floral whorls

11.00-11.30

Cheung, A.Y.: A tobacco transmitting tissue-specific pollen tube growth-promoting glycoprotein

11.30-12.00

Franklin, F.C.: Self-incompatibility in Papaver rhoeas: molecular basis of cell-cell recognition

12.00-12.30

Lammeren, A.A.M. van: Ovule and seed development in Petunia hybrida under control of fbp 7 and 11

12.30-13.45

LUNCH

Session 2a: MALE AND FEMALE INTERACTION 1.
Chairman: A.Y. Cheung
Place: "Haakzaal"

13.45-14.10

Graaf, B.H.J.: The Pelp’s in the transmitting tissue of Nicotiana tabacum are translocated through the pollen tube walls in vivo

14.30-14.35

Lankinen, A.: Female assessment of good genes in stylar tissue: experimental evidence in Viola tricolor

14.35-15.00

Lush, W.M.: Pollen tube guidance into and through the style of Nicotiana alata

Session 2b: FLOWER DEVELOPMENT 1.
Chairman: M.M. Kater
Place: "Kleine zaal"

13.45-14.10

Mouradov, A.: Flowering in gymnosperms: same genes, different structures, what about the functions?

14.10-14.35

Angenent, G.C: The Arabidopsis sterile apetala gene is a multi-functional gene regulating inflorescence, flower and ovule development

14.35-15.00

15.00-15.20

COFFEE/TEA

Session 3a: MALE AND FEMALE INTERACTION 2.
Chairman: W.M. Lush
Place: "Haakzaal"

15.20-15.45

Wolters-Arts, M.: The role of lipids in pollen tube penetration

15.45-16.10

Hiscock, S.J.: Pollen-stigma interactions and sporophytic self-incompatibility in Senecio squalidus (Asteraceae)

16.10-16.35

Doughty, J.: Recognition at the pollen-stigma interface in Brassica: the role of the pollen coating

Session 3b: FLOWER DEVELOPMENT 2.
Chairman: G.C. Angenent
Place: "Kleine zaal"

15.20-15.45

Goldman, M.H.S.: An ABC transporter gene is specifically expressed in reproductive organs of tobacco

15.45-16.10

Mazzucato, A.: Expression patterns of a tomato mutation affecting flower and fruit development

16.10-16.35

16.35-16.55

COFFEE/TEA

Session 4a: INCOMPATIBILITY 1
Chairman: F.C.H. Franklin
Place: "Haakzaal"

16.55-17.20

Van Nerum, I.: Identification of an S-like RNase gene from a self-incompatible cultivar of almond

17.20-17.45

Robbins, T.P.: Genetic and physical mapping of the S locus in Petunia hybrida

17.45-18.10

Stephenson, A.G.: Proteins associated with self-incompatibility in Campanula ranunculoides

Session 4b: OVULE AND EGG CELL DEVELOPMENT
Chairman: A.A.M. van Lammeren
Place: "Kleine zaal"

16.55-17.20

Schneitz, K.: Organogenesis in plants: the genetic control of ovule primordium formation in Arabidopsis thaliana

17.20-17.45

De Martinis, D.: Ethylene control of ovule development in tobacco

17.45-18.10

Mol, R.: Late steps of maize egg cell development in relation to pollination

18.10-19.30

DINNER

POSTER SESSION 1
Place: "Restaurant"
Time: 19.30-22.00

TUESDAY, AUGUST 18

Session 5a: INCOMPATIBILITY 2
Chairman: J. Doughty
Place: "Haakzaal"

09.00-09.25

Kowyama, Y.: Molecular characterization of S-locus specific stigma protein associated with the sporophytic self-incompatibility of Ipomoea

09.25-09.50

McClure, B.: Factors affecting intra- and inter-specific pollination in Nicotiana

09.50-10.15

Gerola, P.: LAT52 promotor associated GUS expression in in vivo pollen tube growth and mentor effect in intraspecific incompatibility in Nicotiana alata

Session 5b: EMBRYOGENESIS AND GERMINATION
Chairman: R.J. Scott
Place: "Kleine zaal"

09.00-09.25

Matthys-Rochon, E.: Study of embryogenesis in maize: different approaches

09.25-09.50

De Castro, R.D.: DNA synthesis and b -tubulin expression in embryos of developing tomato (Lycopersicon esculentum) seeds

09.50-10.15

Jing, H.C.: Spatial distribution and time course of cell cycle events in embryonic cells of germinating cucumber (Cucumis sativus L.) seeds

10.15-10.45

COFFEE/TEA

Session 6a: INCOMPATIBILITY 3/BIOTECHNOLOGY AND PLANT BREEDING
Chairman: A.G. Stephenson
Place: "Haakzaal"

10.45-11.10

Geitmann, A.: Cell death of self-incompatible pollen tubes: murder or suicide?

11.10-11.35

Broothaerts, W.: Molecular breeding for self-fertility in apple

11.35-12.00

Conner, A.J.: Promoting distorted segregation to achieve "true-breeding" from plants heterozygous for transgenic insertions

12.00-12.25

Christov, M.: Using wide hybridization for production of new sunflower forms

Session 6b: SEED AND FRUIT DEVELOPMENT
Chairman: E. Matthys-Rochon
Place: "Kleine zaal"

10.45-11.10

Scott, R.J.: Parental imprinting and seed development in Arabidopsis

11.10-11.35

Akhalkatsi, M.: Resource limitation effect on seed development and germination of Trigonella coerulea (Fabaceae)

11.35-12.00

Wittich, P.E.: Seed development and carbohydrate distribution

12.00-12.25

Martínez-Pallé, E.: Fruit set in absence of pollinators in the dioecious Ruscus aculeatus L.

12.25-13.40

LUNCH

Session 7a: MICROSPOROGENESIS AND POLLEN DEVELOPMENT
Chairman: I.A. Staff
Place: "Haakzaal"

13.45-14.10

Tanaka, I.: Chromatin organization during microsporogenesis and pollen development in Lilium

14.10-14.35

Twell, D.: Genetic analysis of microspore polarity and pollen cell fate in Arabidopsis thaliana

14.35-15.00

Zonia, L.: Reorganization of unique cytoskeletal arrays is a fundamental determinant of pollen development in Nicotiana tabacum

15.00-15.25

Smolinski, D.J.: Abundance of coiled bodies in diplotene microsporocytes as indicator of high intensity of RNA maturation processes in this meiotic stage

Session 7b: POLLEN AND POLLINATION
Chairman: R. Neiland
Place: "Kleine zaal"

13.45-14.10

Nepi, M.: Nutritive and reproductive pollen of Lagerstroemia: cytological differences

14.10-14.35

Hormaza, J.I.: Pollen performance and reproductive success in sweet cherry (Prunus avium L.)

14.35-15.00

Wilcock, C.C.: Pollination failure in rare plants: a conservation priority

15.00-15.25

Schmidt-Adam, G.: Outcrossing rates in fragmented populations of New Zealand Pohutukawa (Metrosideros excelsa) (Myrtaceae) show no link to bird pollinators

15.25-15.55

COFFEE/TEA

Session 8a: POLLEN DEVELOPMENT AND ALLERGENES
Chairman: D. Twell
Place: "Haakzaal"

15.55-16.20

Alché, J.D.: Identification and immunolocalization of CuZn-SOD isozymes in Olea europaea L. pollen

16.20-16.45

Castro Lopez, A.J.: Temporal and spatial expression pattern of Ole e I, the major olive allergen during male gametophyte development

16.45-17.10

Toriyama, K.: Molecular analysis of Bra r I, a calcium binding pollen aller-gen of Brassica rapa

17.10-17.35

El-Ghazaly, G.: Localization and release of allergens from tapetum and pollen grains of Betula pendula

Session 8b: FERTILIZATION
Chairman: S.D. Russell
Place: "Kleine zaal"

15.55-16.20

Dresselhaus, T.: Gene expression during fertilization and zygote development in maize (Zea mays L.)

16.20-16.45

Cordts, S.: Isolation and characterization of genes which are specifically high expressed in the unfertilized egg cell of maize (Zea mays L.)

16.45-17.10

Heuer, S.: Characterization of novel maize MADS box genes expressed in egg cells and during pollen tube growth

17.10-17.35

Sun, M.: In vitro double fertilization in tobacco, compared with somatic protoplast fusion toward understanding gamete-specific characters

17.40-18.00

GENERAL ASSEMBLY IASPRR

18.30-22.00

DINNER at CPRO/DLO
Departure busses from WICC: 18.15 hour

WEDNESDAY, AUGUST 19

09.00-12.30

Excursions

12.30-13.45

Lunch/visit Laboratory of Plant Cytology and Morphology

Session 9: GENERAL
Chairman: V. Raghavan
Place: "Haakzaal"

14.30-14.55

Grossniklaus, U.: Genetic control of megagametogenesis in Arabidopsis thaliana

14.55-15.20

Staff, I.A.: Localization of allergens in developing rye-grass pollen and in micronic atmospheric particles

15.20-15.45

Malhó, R.: A protein kinase C-type enzyme and 1,4,5-inositol triphosphate-induced Ca-2+ release are involved in pollen tube orientation

15.45-16.15

COFFEE/TEA

Session 10: GENERAL
Chairman: D.D. Cass
Place: "Haakzaal"

16.15-16.40

Neiland, M.R.M.: Pollination of nectariferous and nectarless orchids, and its significance for their reproductive failure and rarity

16.40-17.05

Russell, S.D.: Flowering plant sperm cell collection, fusion and transport

17.05-17.30

Bicknell, R.: The four progeny classes of Hieracium, a facultative apomict

17.30-17.55

De Vries, S.C.: Signal transduction pathways in early plant embryogenesis

18.00-19.30

DINNER

POSTER SESSION 2:
Place: "Restaurant"
Time: 19.30-22.00

THURSDAY, AUGUST 20

Session 11a: POLLEN DEVELOPMENT AND TAPETUM
Chairman: V.K. Sawhney Place: "Haakzaal"

09.00-09.25

Ross, J.: Tapetal lipid bodies and the function, role and biogenesis of oleosin-like proteins in Brassica napus

09.25-09.50

Charzynska, M.: Structural and molecular aspects of programmed cell death of the anther tapetum

09.50-10.15

Fellner, M.: Supersensitivity to ABA and resistance to GA3 and tetcyclasis of tomato mutant 7B-1 suggest a possible involvement of gibberellins in photoperiod-regulated male sterility in tomato

Session 11b: IN VIVO AND IN VITRO FERTILIZATION
Chairman: T. Dresselhaus
Place: "Kleine zaal"

09.00-09.25

Vivian-Smith, A.: Genetic and hormonal control of fertilization independent fruit set in Arabidopsis

09.25-09.50

Zenkteler, M.: Results of recent experimental studies on distant in vitro pollination of ovules

09.50-10.15

Ponya, Z.: Manipulation of the gametic cells in cereal crops

10.15-10.45

COFFEE/TEA

Session 12a: POLLEN DEVELOPMENT AND SPERM CELLS
Chairman: J. Ross
Place: "Haakzaal"

10.45-11.10

Southworth, D.: Antibodies to sperm of Brassica campestris

11.10-11.35

Ueda, K.: Gene expression of male gamete-specific histones in Lilium longiflorum

11.35-12.00

Singh, M.B.: Male gametic cell specific gene expression in flowering plants

12.00-12.25

Heberle-Bors, E.: Signal transduction during pollen germination

Session 12b: APOMIXIS 1
Chairman: R. Bicknell
Place: "Kleine zaal"

10.45-11.10

Grimanelli, D.: Searching for apomixis genes in sexual plants

11.10-11.35

Ramulu, K.S.: Mutational and gene tagging approaches for the isolation of apomixis genes in Arabidopsis and Petunia

11.35-12.00

Koltunow, A.M.G.: Plasticity of apomictic development in Hieracium

12.00-12.25

Dusi, D.M.A.: Apomixis in Brachiaria decumbens: calendar, carbohydrates and callose

12.25-13.40

LUNCH

Session 13a: POLLEN TUBES 1
Chairman: R. Malhó
Place: "Haakzaal"

13.45-14.10

Feijó, J.A.: Calcium and proton extracellular fluxes, growth oscilations and cytosolic pH in growing pollen tubes of Lilium

14.10-14.35

Moutinho, A.: Distribution of calmodulin protein and mRNA in pollen tubes

14.35-15.00

Moscatelli, A.: Preliminary studies on the presence of an immunoreactive homolog of dynein light chains in tobacco pollen tubes

15.00-15.25

Derksen, J.: Cell wall deposition in pollen tubes

Session 13b: APOMIXIS 2/ANDROGENESIS 1
Chairman: A.M.G. Koltunow
Place: "Kleine zaal"

13.45-14.10

Czapik, R.: Should apogamety be rejected as a biological process?

14.10-14.35

Naumova, T.N.: Diplospory and cytoembryological aspects of apomixis in plants

14.35-15.00

De Witte, K.: Homozygous plant production in apple (Malus x domestica) by parthenogenesis in situ

15.00-15.25

Olmedilla, A.: Study on the cellular aspects of wheat androgenesis

15.25-15.55

COFFEE/TEA

Session 14a: POLLEN TUBES 2
Chairman: J. Derksen
Place: "Haakzaal"

15.55-16.20

Honys, D.: Translation regulation of pollen tube wall-specific glycoprotein

16.20-16.45

Wullems, G.J.: Functional analysis of the pollen specific gene ntp303 in transgenic tobacco plants

16.45-17.10

Kristof, Z.: Changes of calcium level in Torenia embryo sac during fertilization

17.10-17.35

Session 14b: ANDROGENESIS 2
Chairman: M.M. Van Lookeren Campagne
Place: "Kleine zaal"

15.55-16.20

Touraev, A.: Molecular biology and physiology of tobacco and wheat microspore embryogenesis

16.20-16.45

Custers, J.B.M.: 35S-CaMV promoter activity reports two classes of sporophytic development during microspore embryogenesis

16.45-17.10

Cordewener, J.H.G.: Bnp23, the plant homologue of mammalian p23, is induced during microspore embryogenesis in Brassica napus

17.10-17.35

Caredda, S.: Plastid development and chlorophyll synthesis during pollen embryogenesis in barley

17.45-18.15

CLOSING CEREMONY
Place: "Haakzaal"

18.15-19.30

DINNER