黏质体（Cosmid，又译黏粒）是一种以λ噬菌体（Lambda phage）中的cos sequences所建构而成的质体，是常用的选殖载体（cloning vector）之一，可用于建构基因组库。最高可置入44000个碱基对，高于质粒的10000到15000。
参考文献
- Bruce A. Voyles (2002) The biology of viruses 2nd ed. ISBN 0-07-237031-9
- Stryer, Lubert (1995) Biochemistry 4th ed. ISBN 0-7167-2009-4
外部链接
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