[Constructing tandem-repeated sequence of nucleic acid and evaluating its signal amplification action]

[Constructing tandem-repeated sequence of nucleic acid and evaluating its signal amplification action] Research Abstract Details 

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[Constructing tandem-repeated sequence of nucleic acid and evaluating its signal amplification action] Abstract Text:

Xiaomou Peng,Yangsu Huang,Lin Gu,Xuejun Chen,Zhiliang Gao,

Tandem-repeated sequence of nucleic acid was constructed by splicing 4 fragments which contain the same sequence in the central part, using overlap extension polymerase chain reaction and then repeatedly cloning it in the same vector at different site of restriction endonuclease. Its signal amplification action was evaluated using electrophoresis of hybridized product and dot hybridization assay. 24-repeat sequence was successfully constructed and confirmed by restriction endonuclease digestion analysis. The construct was 25-repeat actually since the vector itself had the same basic sequence. Hybridized product electrophoresis revealed that the 25-repeat sequence could combine with several secondary probes. Dot hybridization assay demonstrated that tandem-repeated sequence was 16-fold more sensitive than that of non-repeated sequence. Tandem-repeated sequence had good effect on signal amplification. It could be easily cheaply prepared in large amount after cloning. Thus, it might be useful in clinical examinations and biological researches.

[Constructing tandem-repeated sequence of nucleic acid and evaluating its signal amplification action] Publishing Authors By Initials

X Peng,Y Huang,L Gu,X Chen,Z Gao,

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[Constructing tandem-repeated sequence of nucleic acid and evaluating its signal amplification action] Journal Published:

PUBLICATION TYPE: Journal Article

Journal: Sheng wu yi xue gong cheng xue za zhi = Journal of

VOLUME: 21

Page Numbers: 38-41

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ISSN: 1001-5515

DAY: 16

MONTH: Feb

YEAR: 2004

[Constructing tandem-repeated sequence of nucleic acid and evaluating its signal amplification action] Information

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LANGUAGE: chi

NlmUniqueID: 9426398

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Grant and Affiliation Information for [Constructing tandem-repeated sequence of nucleic acid and evaluating its signal amplification action]

AFFILIATION: Third Affiliated Hospital, Zhongshan University, Guangzhou 510630, China. xiaomoupeng@hotmail.com

Country: China

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MEDLINETA: Sheng Wu Yi Xue Gong Cheng Xue

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