Symposium: Reproduction and development of Annelida

[Wilfried Westheide]

Symposium

"Reproductive Strategies and Developmental Patterns in Annelids"

September 22-26, 1997

Haus Ohrbeck
Osnabrueck, Germany

Organized by:  

HD. Dr. Adriaan Dorresteijn
Institut fuer Zoologie (Abt. 1)
FB Biologie
Johannes-Gutenberg-Universitaet
55099 Mainz
Tel:   06131/394273
Fax:   06131/393835
e-mail:   DORRESTE at mzdmza.zdv.uni-mainz.de

Prof. Dr. Wilfried Westheide
Spezielle Zoologie
FB Biologie/Chemie
Universitaet Osnabrueck
49069 Osnabrueck
Tel.:   0541/969-2861
Fax:   0541/969-2870
e-mail:   WESTHEIDE at cipfb5.biologie.uni-osnabrueck.de

With financial support by the
Volkswagen-Stiftung, Hannover

Info:
Haus Ohrbeck can be reached by car. From the intersection Lotte/Osnabrueck 
follow the A30 towards Osnabrueck and leave the highway at Osnabrueck-
Sutthausen (exit No. 17). Turn right and head for Hage
You will find Haus Ohrbeck, a monastery which can't be overseen, after 
approximately 3 kilometers on the right
Haus Ohrbeck can also be reached by bus from the railway station Osnabrueck 
Hbf. Take line 13 or 15 and get off at Neumarkt. A pedestrian tunnel leads 
to the Johannisstrasse. Pick up the bus 405-72 
ding for Holzhausen at Platform 6. Get off the bus at Kloster 
Ohrbeck
Muenster/Osnabrueck is the nearest airport (35 km) with an inexpensive 
shuttle to Osnabrueck Hbf. (railway station) which, however, has to be 
ordered in advance. Taxis wait outside the stati

The conference will be open for scientists working in this field. Lodging 
is possible in Haus Ohrbeck (limited to 40 persons) or nearby hotels.
Our time schedule allows a limited number of short communications 
(presentation:   10 min; discussion:   5 min). Please submit a title and a 
short summary to the organizers (for approval) before August, 1997.
Costs for accomodation on request. The conference fee is DM 120,-

Program:  

Tuesday, September 23, 1997

9.00 am:   Welcome by the Dean of the
Osnabrueck University
9.15 am:  Introduction by the organizers 
(W. Westheide and A. Dorresteijn)
9.30-10.15 am:  A. Fischer:  
Reproductive and developmental 
phenomena in annelids: a source of 
exemplary research problems
10.15-10.30 am:  - Coffee Break - 
10.30-11.15 am:  T. Bartolomaeus:   
Development, structure and function of 
segmental genital organs
11.15-12.00 am:  Short communications

12.00-2.00 pm:   - Lunch -

2.00-2.45 pm:  G. Sella:  
Mating system evolution in Dorvilleidae 
and Dinophilidae
2.45-3.30 pm:  W. Westheide:  
Hermaphroditism in annelids
3.30-4.15 pm:  Short communications
6.00 pm:  - Dinner -
8.00 pm:  Round-table-discussion with a short 
introduction on the systematics of 
annelids by W. Westheide


Wednesday, September 24, 1997

9.00-9.45 am:  J. Hardege:   
Nereid polychaetes as model organisms 
for marine chemical ecology
9.45-10.30 am:  M. Sato:   
Divergence of reproductive and 
developmental characteristics and 
speciation in Hediste spp. (Nereididae)
10.30-10.45 am:  - Coffee Break - 

10.45-11.30 am:  G. Rouse:  
Functional and phylogenetical aspects 
of sperm types
11.30-12.15 am:  M. Ferraguti:  
Clitellate sperm types

12.15-2.00 pm:  - Lunch -

2.00-2.45 pm:  A. Dorresteijn:   
On the determination of histogenetic 
fate in polychaetes 
2.45-3.30 pm:  J. Henry:   
Cleavage patterns and fate maps in 
annelids and other spiralians
3.30-4.00 pm:  - Tea Break -
4.00-4.45 pm:  P-Y. Qian:  
Larval settlement of marine polychaetes
6.00 pm:  - Dinner -
8.00 pm:  Short communications


Thursday, September 25, 1997

9.00-9.45 am:  U. Hoeger:   
Metabolite supply in growing oocytes of 
Nereis virens:   Role of nucleosides
9.45-10.30 am:  H-D. Franke:  
Reproduction of the Syllidae 
10.30-11.00 am:  - Coffee Break -
11.00-11.45 am:  J. Blake:   
Reproduction and Larval Development 
of Spioniform Polychaetes

12.00-2.00 pm:  - Lunch -

2.00-3.00 pm:  Short communications
3.00-3.30 pm:  - Tea Break -
3.30-4.15 pm:  E. Southward:  
Development of Perviata and 
Vestimentifera (Pogonophora)
6.00 pm:  - Dinner -
8.00-9.00 pm:  P. Olive:  
Polychaete Aquaculture and Science -
a mutual synergism


Friday, September 26, 1997

9.00- 9.45 am:  W. Dohle:  
The ancestral cleavage patterns of 
clitellates and its evolutionary 
deviations
9.45-10.30 am:  D. Weisblat:  
Cellular and molecular aspects of polarity in early leech embryos
10.30-11.00 am:  - Coffee Break -
11.00-11.45 am:  P. Omodeo:   
Parthenogenesis and polyploidy in the 
Clitellates

12.00-2.00 pm:  - Lunch -

2.00-3.00 pm:  Short communications
3.00-3.45 pm:  B. Conn:   
Reproductive strategies of parasitic 
annelids
3.45-4.15 pm:  - Tea Break -

5.00 pm:  - Conference Dinner -



=======================================================================================
  Prof. Dr. Wilfried Westheide
  Spezielle Zoologie, FB Biologie/Chemie, Universitaet Osnabrueck, D-49069 Osnabrueck
  Tel:   +49-(0)541-969-2861   Fax:   +49-(0)541-969-2870
  <WESTHEIDE at cipfb5.biologie.uni-osnabrueck.de>


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