Bioperl: subseq w/ circular DNA?

[Rob Waldo]

Is there a way for BioPerl to deal with circular
DNA sequence?  Specifically, I want to do something
like a subseq() where the "start" is LARGER than the
"end" (and the returned sequence is 5'-3' on the "top"
strand, encompassing the junction).

I think the question's clear, but I may be confused.
Thanks for any help.

rob

R.H.Waldo III
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Department of Microbiology		rwaldo@arches.uga.edu
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University of Georgia
Athens, GA  30602
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