REPORT ON THE 4TH INTERNATIONAL WORKSHOP ON CHROMOSOME-9 HELD AT WILLIAMSBURG, VIRGINIA, USA, APRIL 23-25, 1995

The Fourth International Workshop on Chromosome 9 was a highly success ful endeavor in terms of the growth of the map, both genetic and physi cal, the amount of data entered into GDB, and the continued comradeshi p in the sharing of data and resources that was exemplified. SIGMA rem ained a stable and valuable part of the chromosome 9 mapping effort. A new subsection outlining the morbid anatomy of chromosome 9 was inclu ded. Finally, specific goals were set for the community to aim for ove r the upcoming months. These included extending the information about the ease of use of genetic markers, and coordinating across numerous g roups the meiotic breakpoint mapping of many microsatellite markers. W orkshop files are available by anonymous ftp from ftp.gene.ucl.ac.uk ( 128.40.82.1) in the subdirectory /pub/c9workshop/1995, or by using a W orld Wide Web browser (such as Mosaic or Netscape) via the Chromosome 9 Home Page (at the URL http://www.gene/ucl.ac.uk/chr9home.html).