Hi,
I wonder if there is a quick way to know the total genic length (exon+intron) of a genome. My guess it would be possible to parse a gtf file and for each gene get the start and end position, then merge overlapping genes. And compute the total size. But I wonder if there is maybe an other more easy way to do this (or if it's maybe available somewhere for well known species e.g. human, mouse,...)
Thanks
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written
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Nicolas Rosewick
I can't think of an easier way then parsing a gtf (or similar file) as you say. Surely for human or mouse there is already some table out there which Google should be able to find.
By the way, this database http://bionumbers.hms.harvard.edu/default.aspx is useful for this sort of questions.
The effective genome size is the size of the genome that can actually be mapped against, not the genic length (i.e., the length taken by genes). The genic size is probably a couple percent of the effective size.
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