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Functional cloning is a molecular cloning technique that relies on prior knowledge of the encoded protein’s sequence or function for gene identification. In this assay, a genomic or cDNA library is screened to identify the genetic sequence of a protein of interest. Expression cDNA libraries may be screened with antibodies specific for the protein of interest or may rely on selection via the protein function. Historically, the amino acid sequence of a protein was used to prepare degenerate oligonucleotides which were then probed against the library to identify the gene encoding the protein of interest. Once candidate clones carrying the gene of interest are identified, they are sequenced and their identity is confirmed. This method of cloning allows researchers to screen entire genomes with

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  • استنساخ وظيفي (ar)
  • Funktionelle Klonierung (de)
  • Functional cloning (en)
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  • الاستنساخ الوظيفي (بالإنجليزية: Functional cloning)‏ وهو استنساخ ينطوي على استخدام تسلسل الجين المعروف باسم مسبار للبحث عن تسلسلات وراثية جديدة قد تكون لها وظائف مماثلة، على أساس التشابه في التسلسل. أي بمقارنة التسلسل المعرف بالتسلسل المجهول. باستخدام هذا الأسلوب في التحليل، يمكن للباحثين من خلال البحث عن الجينات الكاملة للعثور على جينات من الفائدة من دون علم مسبق من موقعها. ويمكن للجينات، ثم يتم فحصها لمعرفة ما إذا كانت وظيفتها هي في الواقع مشابهة لهذا الجين الأولي. هذه التقنية مفيدة عندما مسارا انزيم معين، أو موجودا في كائن حي واحد، واحد يرغب في التعرف على وجود مسار مماثل أو الإنزيم في الكائنات المختلفة. (ar)
  • Die Funktionelle Klonierung umfasst Methoden zur Identifikation unbekannter Varianten eines bekannten Gens, z. B. aus anderen Arten oder verschiedene Isoformen oder homologe Gene innerhalb eines Organismus. Im Gegensatz zur positionellen Klonierung basiert die funktionelle Klonierung auf der Suche nach einem Gen ähnlicher DNA-Sequenz und daher vermutlich ähnlicher Funktion. (de)
  • Functional cloning is a molecular cloning technique that relies on prior knowledge of the encoded protein’s sequence or function for gene identification. In this assay, a genomic or cDNA library is screened to identify the genetic sequence of a protein of interest. Expression cDNA libraries may be screened with antibodies specific for the protein of interest or may rely on selection via the protein function. Historically, the amino acid sequence of a protein was used to prepare degenerate oligonucleotides which were then probed against the library to identify the gene encoding the protein of interest. Once candidate clones carrying the gene of interest are identified, they are sequenced and their identity is confirmed. This method of cloning allows researchers to screen entire genomes with (en)
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  • http://commons.wikimedia.org/wiki/Special:FilePath/Amp_replica_plate.png
  • http://commons.wikimedia.org/wiki/Special:FilePath/Choosing_a_cloning_method.png
  • http://commons.wikimedia.org/wiki/Special:FilePath/Genomic_Library_in_S._cerevisiae.jpg
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