| CPU_Nanjing - iGEM 2022

Notebook

Overview

Week 1 (December 6 to December 12, 2021) and
Week 2 (December 13 to December 19, 2021)

  • 1. Recruiting members
  • 2. Introducing to the laboratory of Prof. Hai Qian and meeting Dr. Xin Wang
  • 3. Introducing laboratory safety issues
  • 4. Making plans and preparing materials for interviews

Week 3 (December 20 to December 26, 2021) and
Week 4 (December 27, 2021 to January 2, 2022)

  • 1. Education: preparing online public lessons

Week 5 (March 15 to March 21, 2022 (the same below))

  • 1. Recruiting more members and building team CPU_Nanjing
  • 2. Learning and examining the information about lab safety
  • 3.Instructing to all team members about iGEM competition in detail

Week 6 (March 22 to March 28)

  • 1. Brainstorming on the theme of our project
  • 2. Analyzing and discussing feasibility by literature research
  • 3. Integrated Human Practice (IHP): interviewing Dr. Xingxia Chen online

Week 7 (March 22 to March 28)

  • 1. Designing a questionnaire based on suggestions form Dr. Chen
  • 2. IHP: delivering online and offline questionnaire surveys

Week 8 (March 29 to April 4)

  • 1. Analyzing statistics from our questionnaire survey
  • 2. Human Practice (HP): interviewing Dr. Weimin Zhang
  • HP: bringing back phosphate-free soil from Changxing county

Week 9 (April 5 to April 11)

  • 1. HP: interviewing Dr. Jierong Jiang
  • 2. Discussing with team members about more actions related to HP
  • 3. Determining the theme of our project based on HP/IHP

Week 10 (April 12 to April 18)

  • 1. Purchasing chemicals for the experiments of our project
  • 2. Preparing apparatus, including purchasing new equipment and transporting equipment from other labs (possessed by our PIs or instructors)
  • 3. Synthesizing phosphite dehydrogenase gene in our lab

Week 11 (April 19 to April 25)

  • 1. Cloning molecules and constructing bacterial strain
  • 2. Holding a plenary meeting to plan the timeline of our project

Week 12 (April 26 to May 2)

  • 1. Testing phosphite oxidation by engineered bacterial strains preliminarily
  • 2. Discussing about experimental results and the "inherent laziness" of bacteria
  • 3. IHP: interviewing Dr. Xin Wang again for further suggestions

Week 13 (May 3 to May 9)

  • 1.Organizing the next part of our lab and designing our strategy based on suggestions provided by Dr. Xin Wang from our interview
  • 2. Operating the site-directed mutagenesis of polyphosphate kinase
  • 3. Creating our first Part from polyphosphate kinase

Week 14 (May 10 to May 16)

  • 1. Collaboration: holding a meeting with team NJTech_China
  • 2. Discussing our strategy about equilibrium expression
  • 3. Collecting medium-copy number pBBR1MCS2 produced by our lab

Week 15 (May 17 to May 23)

  • 1. Designing a vector co-express polyphosphate kinase and phosphite dehydrogenase
  • 2. Constructing our vector and strain

Week 16 (May 24 to May 30)

  • 1.Testing the enhancement of phosphite oxidation
  • 2. Witnessing the intermediate polyphosphate for the first time
  • 3. Proof of concept (POC): developing quick polyphosphate staining method

Week 17 (May 31 to June 6)

  • 1. Collaboration: team NNU-China introducing us to their lab
  • 2. Discussing the order of gene configuration on our vector
  • 3. POC: testing the staining method by both labs led by Prof. Liu and Prof. Yang

Week 18 (June 7 to June 13)

  • 1. Engineering: order of polyphosphate kinase and phosphite dehydrogenase on vector
  • 2. Education: holding a plenary meeting to plan for more actions related to Education

Week 19 (June 14 to June 20)

  • 1. Collaboration: holding an online meeting with ShanghaiTech_China
  • 2. Discussing the possible challenges for project landing on terrestrial planets
  • 3. Education: designing and producing materials used in our Education

Week 20 (June 21 to June 27)

  • 1. IHP: interviewing Dr. Xiaomeng Wang
  • 2. Drafting and revising our Preliminary Safety Form

Week 21 (June 28 to July 4)

  • 1. Partnership: meeting with NJTech_China offline, determining our common goal
  • 2. Education: entering high school classrooms, Qingjiang Middle School in Huaian

Week 22 (July 5 to July 11)

  • 1. Engineering: discussing Engineering Success based on the comparison test completed in our lab previously
  • 2. Witnessing enhanced polyphosphate accumulation in bacterial cells for the first time
  • 3. POC: discussing the possibility that polyphosphate serves as flame retardants

Week 23 (July 12 to July 18)

  • 1. Partnership: brainstorming online to seek for research subject
  • 2. Discussing the biosafety of blue-green algae used in our project
  • 3. Purchasing blue-green algae, non-toxic Microcystis aeruginosa FACHB-469

Week 24 (July 19 to July 25)

  • 1. Finishing a systematic experiment on phosphate production using SMW medium and phosphite
  • 2. Obtaining the final product in the form of high-concentration solution for the first time
  • 3. POC: producing polyphosphate under open (unsterile) conditions
  • 3. Creating the second and the third new Part

Week 25 (July 26 to August 1)

  • 1. Cultivating algae
  • 2. Verifying the general applicability of our design strategy by creating the fourth new Part
  • 3. Finishing a systematic experiment performed on Parts to show our improvement

Week 26 (August 2 to August 8)

  • 1. Partnership: making research on dealing with algae separately
  • 2. IHP: cooking the algae (inspired by Dr. Xin Wang)
  • 3. Testing the utility of algae lysate

Week 27 (August 9 to August 15)

  • 1. Hardware: holding a plenary meeting to plan the Hardware design for bench-scale phosphate production
  • 2. IHP: interviewing manager Zheng, Nanjing Organic Glass Factory
  • 3. Designing solar-energy-driven sequence batch bioreactor

Week 28 (August 16 to August 22)

  • 1. Education: visiting Purple Mountain Observatory with high school students
  • 2. Finishing a systematic experiment on phosphate production using algae lysate
  • 3. Education: communicating with public using WeChat official account and Bilibili account

Week 29 (August 23 to August 29)

  • 1. Preparing the promotion video of our project
  • 2. Partnership: confirming the effectiveness of algae lysate with NJTech_China
  • 3. POC: preparing a series of media in different forms using algae as the raw material

Week 30 (August 30 to September 5)

  • 1. Collaboration: bringing engineered strains to NNU-China for test
  • 2. POC: testing the utility on clarified algae lysate by labs of Prof. Liu and Prof. Yang

Week 31 (September 6 to September 12)

  • 1. Education: stepping into college campus with a new communication form of "ask and answer"
  • 2. Hardware: debugging our equipment and starting bench-scale phosphate production
  • 3. Implementation: cultivating lettuce by using the produced phosphate

Week 32 (September 13 to September 19)

  • 1. Education: communicating with people in communities, introducing our whole project
  • 2. Holding a plenary meeting to make a complete conclusion to our project
  • 3. Modeling: starting the modeling process based on experiment data obtained in our lab

Week 33 (September 20 to September 26)

  • 1. Partnership: dining together with NJTech_China, celebrating the success of our partnership and the completion of each other's project
  • 2. Holding a plenary meeting to plan the design of our wiki, including artistic style, main color, font size and so on

Week 34 (September 27 to October 3)

  • 1. Concluding all results obtained by different groups (experiment, human practices, presentation and modeling)
  • 2. Bringing our Parts to complete the registration

Week 35 (October 4 to October 12)

  • 1. Completing the construction of our wiki
  • 2. Discussing the plan for our presentation video