Plasmid Diagram of a bacterium showing chromosomal DNA and plasmids (Not to scale) A plasmid is a small, extrachromosomal DNA molecule within a cell that is physically separated from chromosomal …

1 day ago · A plasmid is a small circular DNA molecule found in bacteria and some other microscopic organisms. Plasmids are physically separate from chromosomal DNA and replicate independently.

Jan 21, 2026 · What Is a Plasmid? A plasmid is a small, circular (or sometimes linear) DNA molecule that exists independently of the main chromosomal DNA within a cell. Most plasmids are double …

Jan 14, 2014 · What is a plasmid? At their most basic level, plasmids are small circular pieces of DNA that replicate independently from the host's chromosomal DNA. They are mainly found in bacteria, …

Mar 13, 2022 · The term Plasmid was coined by Joshua Lederberg in 1952. Plasmids are important as genetic tools, which are used to introduce, manipulate or delete certain genes from the host cell.

Download annotated SnapGene files for a variety of commonly used genes and plasmid vectors.

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4 days ago · Plasmid, in microbiology, an extrachromosomal genetic element that occurs in many bacterial strains. Plasmids are circular deoxyribonucleic acid (DNA) molecules that replicate …

Oct 12, 2025 · The term plasmid refers to a small, circular, extrachromosomal double-stranded DNA molecule that exists naturally in many bacteria, and in some archaea and eukaryotic organisms.

Nov 15, 2016 · A plasmid is a small, circular piece of DNA that is different than the chromosomal DNA, which is all the genetic material found in an organism’s chromosomes. It replicates independently of …