Western Analysis/RNA isolation

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Presentation transcript:

Western Analysis/RNA isolation Mod2 Day5 Tuesday Oct 21st

About antibodies Polyclonal Monoclonal

The 1° antibody you’ll use…

The 2° antibody you’ll use…

Part 1: Western Analysis Yfgp If Yfg = 25 kD + TAP tag = ~20 kD Dalton = an atomic mass unit = mass of 1 H atom

Part 1: Western Analysis--what if? Yfgp If Yfg = 25 kD + TAP tag = ~20 kD Dalton = an atomic mass unit = mass of 1 H atom

Part 2: RNA Isolation Which samples will you choose?

Part 2: RNA Isolation Which samples will you choose? Steps: Calculate volume for 1x10^8 cells 5 OD600 = 1x10^8 cells/ml Lyse cells with glass beads/vortex/PCI Load lysate on column + wash Elute with warm elution buffer Measure concentration of 1:100 dil’n RNAs 1 A260 = 40 μg/ml of RNA

Part 2: RNA Isolation Things to remember RNA is sensitive to RNAses that are everywhere… Phenol-CHCl3-I will burn you if it gets on your skin, eyes, clothes… Do NOT mix up the samples you load on the column… The quartz cuvettes are fragile/expensive and the only ones we have…

Hidden Part 3 Scan or photograph your petri dishes from your spot tests which were pulled after 4 days at given temp. We will scan your Westerns and post the data to the talk page for today’s wiki

FNT Lecture is optional trip to Abcam in Kendall Square, meet 11AM 66-168 Lab will meet in 16-336 for journal club M2D5 FNT (due Thursday if not presenting) Figure of spot tests Figure for Westerns Calculation of volume = 2 ug RNA Mid-term evaluations (anon) M2D6 FNT (if you’re presenting) 2+2 due Friday by 5PM