Background control of Gotcha RCA

Chia-Hsien Shih

Published: 2021-10-18 DOI: 10.17504/protocols.io.by5tpy6n

Abstract

This protocol aims to verify that GotCha design works as expected.

Steps

Preparation

1.

Add 5µL of functional beads(Gotcha) into eppendorf

2.

Centrifuge for 15000rpm and remove supernatant. Make sure that eppendorf should put on DynaMag when removing supernatant.

Protocol of Control group without miRNA

3.

Add 3µL of 10X phi29 polymerase reaction buffer into eppendorf with functional beads

4.

Add 23.4µL RNase-free water

5.

Add 3µL of 2mM dNTPs

6.

Add 0.6µL of 10U/ul phi29 polymerase

7.

Pipetting to mix well

8.

Incubate for 2h 0m 0s at Room temperature

9.

Add 1.5µL of 20X evagreen dye

10.

Add 1.5µL of 0.5M EDTA buffer to suspend the reaction

Protocol of Control group without phi29 polymerase

11.

Add 3µL of 10X phi29 polymerase reaction buffer into eppendorf with functional beads

12.

Add 21µL RNase-free water

13.

Add 3µL of 2mM dNTPs

14.

Add 3µL of 100nM miRNA

15.

Pipetting to mix well

16.

Add 1.5µL of 20X evagreen dye

17.

Add 1.5µL of 0.5M EDTA buffer to suspend the reaction

Measuring

18.

Load 20µL of reaction solution into 384-well plate

19.

Measure the fluorescence excitation and emission intensity

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