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231222s2002 xx ||||| 00| ||eng c |
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|a pubmed25n0391.xml
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|a (DE-627)NLM117344893
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|a (NLM)11848417
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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| 100 |
1 |
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|a Carmon, A
|e verfasserin
|4 aut
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| 245 |
1 |
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|a Solid-phase PCR in microwells
|b effects of linker length and composition on tethering, hybridization, and extension
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|c 2002
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|a Text
|b txt
|2 rdacontent
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|a ohne Hilfsmittel zu benutzen
|b n
|2 rdamedia
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|a Band
|b nc
|2 rdacarrier
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|a Date Completed 26.07.2002
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|a Date Revised 10.12.2019
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|a published: Print
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|a Citation Status MEDLINE
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|a During the solid-phase PCR (SP-PCR), DNA oligonucleotides complementary to a soluble template and immobilized on a surface are extended in situ. Although primarily used for pathogen detection, SP-PCR has the potential for much broader application, including disease diagnostics, genotyping, and expression studies. Current protocols for SP-PCR in microwells are suitable for enzymatic detection of immobilized products, but yields are generally insufficient for direct detection of products using conventional fluorescent probes. Here, we quantitatively measure the outcome of tethering, hybridization, and solid-phase extension, and examine the effect of composition and length of the spacer at the 5' end of tethered oligonucleotides. Our results indicate that steric hindrance primarily affects polymerase activity rather than the efficiency of hybridization between the template and the tethered oligonucleotide. SP-PCR yields are significantly higher for a five-unit hexaethyleneglycol (HEG) spacer than for the more commonly used 10-residue deoxythymidine spacer. The optimal 5' HEG spacer resulted in a 60-fold increase in extension efficiency relative to a previously reported value for SP-PCR on a glass surface. Thus, optimized spacers should allow direct quantification of SP-PCR products, providing a simple, quantitative, and cost effective means of sample analysis for a variety of applications
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|a Evaluation Study
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a Arabidopsis Proteins
|2 NLM
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|a DNA, Plant
|2 NLM
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|a Ethylene Glycols
|2 NLM
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|a phytochrome C, Arabidopsis
|2 NLM
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|a Phytochrome
|2 NLM
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|a 11121-56-5
|2 NLM
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|a hexaethylene glycol
|2 NLM
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|a 2615-15-8
|2 NLM
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| 700 |
1 |
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|a Vision, T J
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Mitchell, S E
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Thannhauser, T W
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Müller, U
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Kresovich, S
|e verfasserin
|4 aut
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| 773 |
0 |
8 |
|i Enthalten in
|t BioTechniques
|d 1993
|g 32(2002), 2 vom: 25. Feb., Seite 410, 412, 414-8, 420
|w (DE-627)NLM012627046
|x 0736-6205
|7 nnns
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| 773 |
1 |
8 |
|g volume:32
|g year:2002
|g number:2
|g day:25
|g month:02
|g pages:410, 412, 414-8, 420
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|d 32
|j 2002
|e 2
|b 25
|c 02
|h 410, 412, 414-8, 420
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