nuclease - définition. Qu'est-ce que nuclease
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Qu'est-ce (qui) est nuclease - définition

CLASS OF ENZYMES
Nucleases; Polynucleotidase; Nucleodepolymerase; Site specific nuclease
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nuclease         
['nju:kl?e?z]
¦ noun Biochemistry an enzyme that cleaves nucleic acid chains into smaller units.
Nuclease         
A nuclease (also archaically known as nucleodepolymerase or polynucleotidase) is an enzyme capable of cleaving the phosphodiester bonds between nucleotides of nucleic acids. Nucleases variously effect single and double stranded breaks in their target molecules.
Nuclease protection assay         
LABORATORY TECHNIQUE USED IN BIOCHEMISTRY AND GENETICS
RNase protection assay; S1 nuclease assay; S1 mapping; Nuclease protection assays
Nuclease protection assay is a laboratory technique used in biochemistry and genetics to identify individual RNA molecules in a heterogeneous RNA sample extracted from cells. The technique can identify one or more RNA molecules of known sequence even at low total concentration.

Wikipédia

Nuclease

A nuclease (also archaically known as nucleodepolymerase or polynucleotidase) is an enzyme capable of cleaving the phosphodiester bonds between nucleotides of nucleic acids. Nucleases variously effect single and double stranded breaks in their target molecules. In living organisms, they are essential machinery for many aspects of DNA repair. Defects in certain nucleases can cause genetic instability or immunodeficiency. Nucleases are also extensively used in molecular cloning.

There are two primary classifications based on the locus of activity. Exonucleases digest nucleic acids from the ends. Endonucleases act on regions in the middle of target molecules. They are further subcategorized as deoxyribonucleases and ribonucleases. The former acts on DNA, the latter on RNA.