ZhongPing Yu wrote:
> do any elements (such as circular DNA) exist in the world that can
> [...] replicate and express themselves independent of their hosts?
If you mean independent of host enzymes: no. But some people observed
autocatalytic RNAs that have been able to replicate themselves, at least
parts of it.
CV
-- This is a Yeasts world ... yeah!
Christian Velten Institute for Biochemistry
Vienna Biocenter and Molecular Cell Biology
Dr.-Bohrgasse 9 1030 Wien, Austria
Tel.: 0043-1-795125506 Fax: 0043-1-7995272
e-mail: cve at abc.univie.ac.at CIS: 10073,2071
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