Abstract
Mitochondria and plastids are DNA-containing cell organelles whose
genomes occur at high copy numbers per cell. Organellar genomes vary
greatly in size ranging from approximately 15 kb for some animal
mitochondrial genomes to more than 2 Mb for some plant mitochondrial
genomes. The vast majority of organellar genomes map as circular
molecules that are difficult to illustrate by available commercial
or free software tools. Thus, published genome maps are extremely
heterogeneous in design, often tediously drawn semi-manually and
lack any consensus in display. Here, we present a new web-based tool,
OrganellarGenomeDRAW (OGDRAW), which produces high-resolution custom
graphical maps of DNA sequences as stored in standard GenBank format
entries. GenBank data can be provided as either file uploads or accession
numbers. The program is specially optimized for the display of chloroplast
and mitochondrial genomes but can also be used to depict other circular
DNA sequences. The design of the program core as a Perl module with
an object-oriented interface allows easy integration into custom
scripts.
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