PubMed Health⌕ Search

SEARCH · PubMed Health

Results for “Extrachromosomal Inheritance”

Explore indexed PubMed citations for clinical trials, systematic reviews and public health research. Read source abstracts and follow each citation to its original PubMed record.

Quote a phrase for an exact phrase match. Source license links do not imply unrestricted reuse.

At least 1,081 records · Page 60Linked to original sources
PubMed1976

Replication control in a composite plasmid constructed by in vitro linkage of two distinct replicons.

Although it carries two competent replication systems, a composite plasmid formed in vitro by linkage of the complete ColE1 and pSC101 plasmid replicons at their unique EcoRI endonuclease cleavage sites normally uses only the replication origin and functions of the ColE1 component. Restriction of ColE1 replication functions by DNA polymerase I deprivation results, however, in exclusive use of the pSC101 replication origin. When using the ColE1 replication system the composite plasmid is nevertheless incompatible with both the parent replicons. This suggests that a trans-dominant gene product is involved in plasmid incompatibility and supports negative control rather than positive control models for regulation of the initiation of DNA replication.

DNA Replication↗
PubMed1976

Bacterial cloning of plasmids carrying copies of rabbit globin messenger RNA.

DNA copies of rabbit globin mRNA have been inserted into the plasmid mini-ColEl. After addition of poly(dT) tails, the plasmid was used to prime the copying of mRNA by reverse transcriptase. Mini-ColEl carrying globin sequences were denatured and annealed with mini-ColEl tailed with poly(dA). Functional plasmids containing the synthesised globin sequences were isolated by transfection in E. coli.

DNA↗