Team:Peking/Notebook/ALiu

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   Ao Liu's Notes
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I Conducted mutagenesis library for Mer OP and research on the feature of promoter functional sites through screening the library (characterizging promoters with different dyad MerR binding site). Then promoters with different Hg binding affinity was integrated with the results gained from operation analysis to acquire the wider range of bioreproter Hg-sensitivity.

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Contents

June

Mon Tue Wed Thu Fri Sat Sun
- 1 2 3 4 5 6
7 8 9 10 11 12 13
14 15 16 17 18 19 20
21 22 23 24 25 26 27
28 29 30 - - - -

[TOP]

6.24

Transform plasmids to Trans5a. pSB1A3, pSB1AC3, pSB1AK3, pSB1AT3, pSB1C3, pSB1K3, pSB1T3, pSB3C5, pSB3T5, pSB4C5, pSB4K5, pMAL-C4X, pET-39b.

6.26

Prepare plasmid DNA. pSB1A3, pSB1AC3, pSB1AK3, pSB1AT3, pSB1C3, pSB1K3, pSB1T3, pSB3C5, pSB3T5, pSB4C5, pSB4K5, pMAL-C4X, pET-39b

Digest the plasmid DNA with EcoRI &PstI.

Retrieve the digested product

6.27

Transform plasmids to Trans5a.1-12O, pSD-MBD, pASK-MBD, NRI.

6.28

Picking colonies and shaking at 37℃ overnight. 1-12O

Prepare plasmid DNA. pSD-MBD, pASK-MBD, NRI.

6.29

PCR Strain NRI with two pairs of primers

6.30

PCR Strain NRI with two pairs of primers

Retrieve the PCR product

Prepare plasmid DNA. 1-12O

July

Mon Tue Wed Thu Fri Sat Sun
- - - - 1 2 3
4 5 6 7 8 9 10
11 12 13 14 15 16 17
18 19 20 21 22 23 24
25 26 27 28 29 30 31

[TOP]

7.1

Digest the plasmid DNA with EcoRI &XbaI. 1-2M, MerR, E0840

Retrieve the digested product

7.17

Transform plasmids to Trans5a. merP(mutant)-E0840, 1-18I-MerR, merP-E0840.

7.18

Transform s merP-E0840 and 1,18I-MerR to Mach-1.

7.19

PCR to build merT promoter mutants library

Retrieve the PCR product

Digest the PCR product by EcoRI and PstI

Induce merTP-E0840+1-18I-MerR by 1E-5M Hg(II)

Retrieve the digested product

7.20

Connect digest product with pSB3K3.

7.21

Pfu-library Picking colonies and shaking at 37℃ overnight.

Taq-library Failed. Connect digest product again.

Digest the PCR product by EcoRI and PstI

Retrieve the digested product

Digest the PCR product by EcoRI and PstI overnight.

7.22

Prepare plasmid DNA. The library.

Retrieve the digested product. Rbs-MerR. Failed and digest again.

Retrieve the digested product

Connect the digest product overnight.

7.23

Digest the PCR product by EcoRI and PstI. Rbs-MerR

Connect digest product with I-18C overnight.

7.24

Retrieve the digested product

Connect digest product with I-18C overnight.

Picking colonies and shaking at 37℃ overnight.1-18C-rbs-MerR

Transform the connect product to Mach-1.

7.25

Prepare plasmid DNA. Failed

PCR to build merT promoter mutants library

7.26

Transform the plasmid of library to E.coli containing 1-18I-MerR.

7.27

Picking colonies and shaking at 37℃ overnight. The library.

Connect MerR with rbs

Transform the connect product to Mach-1.

7.28

Picking colonies and shaking at 37℃ overnight. rbs-MerR.

Activate every mutant in the promoter library until the OD600 was between 0.4 and 0.6.

Then induced them by 10^-5M Hg(II), 2 hours. Centrifuged and resuspensed with PBS.

GFP intensity and OD600 were measured by Tecan Microplate Reader.

7.29

Prepare plasmid DNA. Rbs-MerR

Activate every mutant in the promoter library until the OD600 was between 0.4 and 0.6.

Then induced them by 10^-6M Hg(II), 2 hours. Centrifuged and resuspensed with PBS.

GFP intensity and OD600 were measured by Tecan Microplate Reader.

7.30

Sequenced, rbs-MerR.

Activate every mutant in the promoter library until the OD600 was between 0.4 and 0.6.

Then induced them by 10^-6M Hg(II), 2 hours. Centrifuged and resuspensed with PBS.

GFP intensity and OD600 were measured by Tecan Microplate Reader.

7.31

Activate every mutant in the promoter library until the OD600 was between 0.4 and 0.6.

Then induced them by 10^-7M Hg(II), 2 hours. Centrifuged and resuspensed with PBS.

GFP intensity and OD600 were measured by Tecan Microplate Reader.

August

Mon Tue Wed Thu Fri Sat Sun
1 2 3 4 5 6 7
8 9 10 11 12 13 14
15 16 17 18 19 20 21
22 23 25 25 26 27 28
29 30 31 - - - -

[TOP]

8.1

Activate every mutant in the promoter library until the OD600 was between 0.4 and 0.6.

Then induced them by 10^-5M Hg(II), 2 hours. Centrifuged and resuspensed with PBS.

GFP intensity and OD600 were measured by Tecan Microplate Reader.

8.2

Activate every mutant in the promoter library until the OD600 was between 0.4 and 0.6.

Then induced them by 10^-6M Hg(II), 2 hours. Centrifuged and resuspensed with PBS.

GFP intensity and OD600 were measured by Tecan Microplate Reader.

8.3

Activate every mutant in the promoter library until the OD600 was between 0.4 and 0.6.

Then induced them by 10^-7M Hg(II), 2 hours. Centrifuged and resuspensed with PBS.

GFP intensity and OD600 were measured by Tecan Microplate Reader.

8.9

Lab meeting

8.11

Activate mutant3 and mutant81 until the OD600 was between 0.4 and 0.6.

Then induced them by different Hg(II) concentrations, 2 hours. The final concentrations are 0, 1E-9M, 1E-8M, 1E-7M, 1E-6M, 1E-5M. Centrifuged and resuspensed with PBS.

GFP intensity and OD600 were measured by Tecan Microplate Reader.

8.12

Activate mutant88 and mutant94 until the OD600 was between 0.4 and 0.6.

Then induced them by different Hg(II) concentrations, 2 hours. The final concentrations are 0, 1E-9M, 1E-8M, 1E-7M, 1E-6M, 1E-5M. Centrifuged and resuspensed with PBS.

GFP intensity and OD600 were measured by Tecan Microplate Reader.

8.13

Activate mutant1 and mutant25 until the OD600 was between 0.4 and 0.6.

Then induced them by different Hg(II) concentrations, 2 hours. The final concentrations are 0, 1E-9M, 1E-8M, 1E-7M, 1E-6M, 1E-5M. Centrifuged and resuspensed with PBS.

GFP intensity and OD600 were measured by Tecan Microplate Reader.

8.14

Activate mutant88 until the OD600 was between 0.4 and 0.6. Failed.

8.15

Lab meeting

8.16

Activate mutant88 until the OD600 was between 0.4 and 0.6.

Then induced them by different Hg(II) concentrations, 2 hours. The final concentrations are 0, 1E-9M, 5E-9M, 1E-8M, 2E-8M, 4E-8M, 6E-8M, 8E-8M, 1E-7M, 2E-7M, 4E-7M, 6E-7M, 8E-7M, 1E-6M, 2E-6M, 4E-6M, 6E-6M, 8E-6M, 1E-5M, 2E-5M.

Centrifuged and resuspensed with PBS.

GFP intensity and OD600 were measured by Tecan Microplate Reader.

8.17

Activate mutant3 until the OD600 was between 0.4 and 0.6.

Then induced them by different Hg(II) concentrations, 2 hours. The final concentrations are 0, 1E-9M, 5E-9M, 1E-8M, 2E-8M, 4E-8M, 6E-8M, 8E-8M, 1E-7M, 2E-7M, 4E-7M, 6E-7M, 8E-7M, 1E-6M, 2E-6M, 4E-6M, 6E-6M, 8E-6M, 1E-5M, 2E-5M.

Centrifuged and resuspensed with PBS.

GFP intensity and OD600 were measured by Tecan Microplate Reader.

8.18

Activate mutant44 and mutant85 until the OD600 was between 0.4 and 0.6.

Then induced them by different Hg(II) concentrations, 2 hours. The final concentrations are 0, 1E-9M, 1E-8M, 1E-7M, 1E-6M, 1E-5M. Centrifuged and resuspensed with PBS.

GFP intensity and OD600 were measured by Tecan Microplate Reader.

8.20

Activate mutant3 until the OD600 was between 0.4 and 0.6.

Then induced them by different Hg(II) concentrations, 2 hours. The final concentrations are 0, 1E-9M, 5E-9M, 1E-8M, 2E-8M, 4E-8M, 6E-8M, 8E-8M, 1E-7M, 2E-7M, 4E-7M, 6E-7M, 8E-7M, 1E-6M, 2E-6M, 4E-6M, 6E-6M, 8E-6M, 1E-5M, 2E-5M.

Centrifuged and resuspensed with PBS.

GFP intensity and OD600 were measured by Tecan Microplate Reader.

8.21

Activate mutant81 until the OD600 was between 0.4 and 0.6. Failed

8.22

Lab meeting

8.23

Activate mutant88 until the OD600 was between 0.4 and 0.6.

Then induced them by different Hg(II) concentrations, 2 hours. The final concentrations are 0, 1E-9M, 5E-9M, 1E-8M, 2E-8M, 4E-8M, 6E-8M, 8E-8M, 1E-7M, 2E-7M, 4E-7M, 6E-7M, 8E-7M, 1E-6M, 2E-6M, 4E-6M, 6E-6M, 8E-6M, 1E-5M, 2E-5M.

Centrifuged and resuspensed with PBS.

GFP intensity and OD600 were measured by Tecan Microplate Reader.

8.24

Activate mutant81 until the OD600 was between 0.4 and 0.6.

Then induced them by different Hg(II) concentrations, 2 hours. The final concentrations are 0, 1E-9M, 5E-9M, 1E-8M, 2E-8M, 4E-8M, 6E-8M, 8E-8M, 1E-7M, 2E-7M, 4E-7M, 6E-7M, 8E-7M, 1E-6M, 2E-6M, 4E-6M, 6E-6M, 8E-6M, 1E-5M, 2E-5M.

Centrifuged and resuspensed with PBS.

GFP intensity and OD600 were measured by Tecan Microplate Reader.

8.25

Activate mutant81 until the OD600 was between 0.4 and 0.6. Failed

8.29

Lab meeting

8.30

Activate mutant94 until the OD600 was between 0.4 and 0.6.

Then induced them by different Hg(II) concentrations, 2 hours. The final concentrations are 0, 1E-9M, 5E-9M, 1E-8M, 2E-8M, 4E-8M, 6E-8M, 8E-8M, 1E-7M, 2E-7M, 4E-7M, 6E-7M, 8E-7M, 1E-6M, 2E-6M, 4E-6M, 6E-6M, 8E-6M, 1E-5M, 2E-5M.

Centrifuged and resuspensed with PBS.

GFP intensity and OD600 were measured by Tecan Microplate Reader.

8.31

Activate mutant94 until the OD600 was between 0.4 and 0.6.

Then induced them by different Hg(II) concentrations, 2 hours. The final concentrations are 0, 1E-9M, 5E-9M, 1E-8M, 2E-8M, 4E-8M, 6E-8M, 8E-8M, 1E-7M, 2E-7M, 4E-7M, 6E-7M, 8E-7M, 1E-6M, 2E-6M, 4E-6M, 6E-6M, 8E-6M, 1E-5M, 2E-5M.

Centrifuged and resuspensed with PBS.

GFP intensity and OD600 were measured by Tecan Microplate Reader.

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