Abstract
A voluminous information is available on karyological studies of fishes; however, limited efforts were made for compilation and curation of the available karyological data in a digital form. ‘Fish Karyome’ database was the preliminary attempt to compile and digitize the available karyological information on finfishes belonging to the Indian subcontinent. But the database had limitations since it covered data only on Indian finfishes with limited search options. Perceiving the feedbacks from the users and its utility in fish cytogenetic studies, the Fish Karyome database was upgraded by applying Linux, Apache, MySQL and PHP (pre hypertext processor) (LAMP) technologies. In the present version, the scope of the system was increased by compiling and curating the available chromosomal information over the globe on fishes and other aquatic organisms, such as echinoderms, molluscs and arthropods, especially of aquaculture importance. Thus, Fish Karyome version 2.1 presently covers 866 chromosomal records for 726 species supported with 253 published articles and the information is being updated regularly. The database provides information on chromosome number and morphology, sex chromosomes, chromosome banding, molecular cytogenetic markers, etc. supported by fish and karyotype images through interactive tools. It also enables the users to browse and view chromosomal information based on habitat, family, conservation status and chromosome number. The system also displays chromosome number in model organisms, protocol for chromosome preparation and allied techniques and glossary of cytogenetic terms. A data submission facility has also been provided through data submission panel. The database can serve as a unique and useful resource for cytogenetic characterization, sex determination, chromosomal mapping, cytotaxonomy, karyo-evolution and systematics of fishes.Database URL: http://mail.nbfgr.res.in/Fish_Karyome
Highlights
A huge amount of karyological information have been generated worldwide on fishes and other aquatic organisms of aquaculture importance
The exponential growth of fish karyological data during the last two decades pressed the need to manage the data by developing digital databases
In order to avoid copyright and other ethical issues for including images and chromosomal information into the database, permission has been obtained from the publishers/authors wherever necessary
Summary
A huge amount of karyological information have been generated worldwide on fishes and other aquatic organisms of aquaculture importance. Nagpure et al (4) described the development of the first web-based database named as ‘Fish Karyome: A Karyological Information Network on Indian fishes’ by digitizing the ‘Fish Chromosome Atlas’. This database was developed by applying SQL Server 2000, Microsoft’s ASP.NET-2008 and Macromedia’s FLASH technologies under Windows 7 operating platform. It had limitations since it covered data only on Indian finfish with limited search options, lack of information on the conservation status and the absence of data submission panel
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