molecular cloning
Vector backbone toxicity
Separate leaky expression, a toxic insert, leftover ccdB, and a high-copy burden, then pick a backbone, promoter, or host to test.
8 October 2026 · 8 min read
Topic cluster
Molecular cloning
Plasmid maps, assembly methods, colony screening and the evidence that an insert is present, oriented and intact.
All topicsBuffers and laboratory water26Cell culture26Chromatography26Cold chain and sample storage26Cytometry and microscopy26DNA sequencing26Gels and blotting26Gene expression26Genome editing26Immunoassays26Laboratory labware26Laboratory safety26Liquid handling26Microbiology26Molecular cloning26Nucleic acid purification26PCR and amplification26Protein biochemistry26Proteomics26Research sourcing and study design26
biosafetyspecificationsequencingglossarytroubleshootingcloningcontrolsexpressionsangertransformationcoloniesligationglycerol stockplasmid mapscreeningselectioncodonscolony pcr
26 articles
molecular cloning
What to send for a gene synthesis enquiry
See which missing field blocks a gene-synthesis quotation: sequence, vector, host, sites, expression limits, and the biosafety of the DNA.
8 October 2026 · 7 min read