1. Images : 2924 images of 1685 mutants in the Neuffer collection; hundreds of traits and pathogens/pests. We thank Gerry Neuffer, Lou Butler and Beth Bennett for their efforts with mutant images and CIMMYT for making their slides of traits, pathogens and pests available. These images will not be published in the 1996 edition of Mutants of Maize. Look for enhanced annotation of the images over the upcoming year. According to one commercial source, Infoseek, http://guide.infoseek.com/, MaizeDB is an "Amazing archive of images of mutant ears of corn".
2. SSR's : 177 PCR primer mapping-pairs to detect simple sequence repeats (SSR). We are grateful for the careful compilations provided pre-publication by Lynn Senior (ARS, NC State), Emily Chin (Pioneer Hi-Bred), Julie Vogel (DuPont), and Mark Walton (Linkage Genetics). Information includes the primer sequences, the loci probed, with bin locations, and where provided, gel patterns, raw mapscores and annealing conditions. SSR map data are available for several previously unlocated genes, including fdx1, gln4, gst1, mtl1, nac1, ohp2, ole2, tlk1.
3. 1996 Maize Genetics Conference Abstracts are part of the reference additions in the database, thanks to electronic submissions by the cooperators and especially, Paul Chomet, Bill Sheridan and Brenda Schilling.
4. Genetic stocks: updated and new descriptions of 2169 seed stocks available from the Maize Genetics Cooperation Stock Center are entered into MaizeDB directly by Marty Sachs, who also facilitates links from GRIN to MaizeDB genetic stocks.
5. Molecular markers are largely updated with thanks to Theresa Musket for preparation of electronic files with information about 3278 molecular probes available from the UMC RFLP laboratory.
6. Continuing areas of update include (1) selected new references with indexing to MaizeDB objects; (2) record-to-record pointers to information in external databases that include SwissProt, GenBank, dbEST, Enzyme and GRIN; (3) raw map data, current and retrospective; (4) QTL experiments; (5) addresses of maize researchers.
The Plant Genome Database (PGD), http://probe.nalusda.gov:8300/ , now links back to the up-to-the-minute record, typos-and-all, at the Missouri server; use the "[MaizeDB-Sybase]" button at the top of each PGD record. PGD permits full-text queries across all plant species and provides a snapshot of the MaizeDB data as last extracted at Missouri into ACEDB format.
Entrez, a frontend of GenBank, http://www3.ncbi.nlm.nih.gov/Entrez/, now links to PGD(AGIS) records, based on the links established at Missouri.
The e-mail address for the database folks is email@example.com. In general, technical matters are handled by Denis Hancock; all else by any of a small group that includes: Ed Coe, Pat Byrne, Georgia Davis, Mary Polacco, and Marty Sachs.
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