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colonies

Articles tagged colonies. Tags group methods across clusters so a technique can be found from more than one route.

4 articles

Gloved hand streaking an agar plate with an inoculating loop beside a stack of cultured plates

microbiology

Colony picking without mixing clones

How to move one isolated colony of a cloning strain into one labelled tube so the miniprep is not a mixture of neighbours.

8 October 2026 · 9 min read

Gloved hand pipetting into a tube near a cold block and agar plates with colonies, gel image on a monitor

Pillar · molecular cloning

Plasmid cloning from insert to colony

How an insert becomes a plasmid, a colony and a verified clone, and which checkpoint fails when the plate is empty or the insert is wrong.

8 October 2026 · 8 min read

Gloved hand streaking an agar plate with an inoculating loop beside a stack of cultured plates

microbiology

Satellite colonies around a large colony

Why tiny colonies ring a large one on ampicillin, and how that halo differs from kanamycin plates poured for cloning strains.

8 October 2026 · 9 min read

Gloved hand streaking an agar plate with an inoculating loop beside a stack of cultured plates

microbiology

Streaking for single colonies

A streak dilutes cells across agar until a sector holds colonies that each grew from one cell. This glossary names the pattern, the loop, and a smear.

8 October 2026 · 9 min read