Data Entry Sheet and Checklist Urban Microbial Community Dynamics and Metagenomics Data Entry Sheet and Checklist Student name(s): 1. _______________________________ 2. _______________________________ 3. _______________________________ 4. _______________________________ Lab section: __________ Meeting time: __________ Instructor: _____________ Semester/Year: ________ Step 1(sample collection): Sample code number: _____________ _________________ Sample collection location: Sample collection date: ___________ Notes on sample collection: Step 2 (PowerSoil genomic DNA extraction and purification): Approximate volume of sample (step 1e from protocol): __________ Approximate volume of sample added to each of the PowerBead tubes (step 1f1): ______ Volume of elution in last step of PowerSoil DNA purification: _________ Tube label identifier for your sample: _____________________ This tube will be stored at -20C by your instructor. Step 3 (DNA quantification by NanoDrop): Sample ID: ________________ DNA concentration (ng/ul): ____________ Date: ___ 260/280 ratio*:____________ 260:230 ratio**:____________ * A 260/280 ratio of ~1.8 is generally accepted as “pure” for DNA and ** a 260:230 ratio of 1.8 – 2.2 is accepted as “pure” for DNA. Step 4 (PCR amplification): Label on small PCR tubes:___________ used:___________ Reaction volume for PCR:________ (ul)?______ Forward primer (bar coded) How much template DNA was used Step 5 (Gel analysis and quantification): Lanes used on the gel: _________ sample?______ How many ul were loaded of your 1 Data Entry Sheet and Checklist How many bands were detected?____ What size?______ Approximate quantification of PCR product based on gel analysis:_______ Notes on the gel: Step 6 (PCR clean-up and submission of sample for sequencing): Volume DNA eluted in:_____ Concentration of the DNA (ng/ul):____ 2