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单词 restriction enzyme
释义

Definition of restriction enzyme in English:

restriction enzyme

(also restriction endonuclease)
noun
Biochemistry
  • An enzyme produced chiefly by certain bacteria, that has the property of cleaving DNA molecules at or near a specific sequence of bases.

    Example sentencesExamples
    • The term restriction endonuclease was given to this class of bacterially derived enzymes since they were identified as being involved in restricting the growth of certain bacteriophages.
    • After all, in nature we can and do observe bacteria using restriction endonucleases and ligases to cut DNA.
    • The cDNA is digested with a restriction enzyme (anchoring enzyme) that cleaves the cDNA into fragments of approximately 256 base pairs.
    • This library effectively consists of all the DNA present in the micro organism; this DNA is cut, or cleaved, with restriction enzymes, so that it is in fragments.
    • The presence of a particular mutation may create or destroy a restriction site, and the DNA fragments produced following restriction enzyme digestion show characteristic banding patterns when electrophoretically separated.
 
 

Definition of restriction enzyme in US English:

restriction enzyme

(also restriction endonuclease)
noun
Biochemistry
  • An enzyme produced chiefly by certain bacteria, having the property of cleaving DNA molecules at or near a specific sequence of bases.

    Example sentencesExamples
    • The term restriction endonuclease was given to this class of bacterially derived enzymes since they were identified as being involved in restricting the growth of certain bacteriophages.
    • This library effectively consists of all the DNA present in the micro organism; this DNA is cut, or cleaved, with restriction enzymes, so that it is in fragments.
    • After all, in nature we can and do observe bacteria using restriction endonucleases and ligases to cut DNA.
    • The cDNA is digested with a restriction enzyme (anchoring enzyme) that cleaves the cDNA into fragments of approximately 256 base pairs.
    • The presence of a particular mutation may create or destroy a restriction site, and the DNA fragments produced following restriction enzyme digestion show characteristic banding patterns when electrophoretically separated.
 
 
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更新时间:2025/2/5 1:13:05