ISSN:
1476-4687
Quelle:
Nature Archives 1869 - 2009
Thema:
Biologie
,
Chemie und Pharmazie
,
Medizin
,
Allgemeine Naturwissenschaft
,
Physik
Notizen:
[Auszug] Using a rapid one-step method, circular DNA has been isolated from a strain of E. coli harbouring the R-factor R-1 and shown to contain at least two separate classes of covalently closed molecules. Evidence is presented for the stable existence of circular R-factor in E. ...
Materialart:
Digitale Medien
URL:
http://dx.doi.org/10.1038/2241273a0
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