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Update of MAGEST: Maboya Gene Expression patterns and Sequence Tags
Takeshi Kawashima1, Shuichi Kawashima, Yuji Kohara
1Department of Zoology, Graduate School of Science, Kyoto University, Sakyo-ku, Kyoto 606-8502, Japan.
Nucleic Acids Research
|December 26, 2001
Summary
MAGEST is a valuable resource for maternal gene expression data in the ascidian Halocynthia roretzi. This database aids developmental biology research by providing extensive gene sequence and expression information.
Area of Science:
- Developmental Biology
- Genomics
- Bioinformatics
Background:
- Ascidians, like Halocynthia roretzi, are key model organisms in developmental biology due to their simplified chordate development.
- Maternal gene expression is crucial for initiating embryonic development.
Purpose of the Study:
- To present the MAGEST database, a comprehensive resource for maternal gene expression in Halocynthia roretzi.
- To highlight recent improvements in data retrieval and expansion of the database content.
Main Methods:
- Compilation of 3'- and 5'-tag sequences from fertilized egg cDNA libraries.
- Inclusion of similarity search results against GenBank.
- Integration of whole mount in situ hybridization data.
- Development of a translated database for EST-predicted amino acid fragments.
Main Results:
- The MAGEST database now contains over 20,000 tag sequence entries.
- Enhanced data retrieval systems have been implemented.
- A new database for predicted amino acid fragments from EST data has been constructed.
Conclusions:
- The MAGEST database serves as a vital tool for studying maternal gene expression in Halocynthia roretzi.
- The comprehensive data facilitates new insights into gene functions during early development.
- The database is publicly accessible online.