Protocol for PCR genotyping from tail DNA. This protocol works well for a variety of genes and primer pairs including Tg and KO alleles. Oligonucleotide melting temperatures between 60° and 65° seem to work well. - [Read PCR Genotyping from Tail DNA Protocol]
Segmented and polarity-marked microtubules are very useful for many different types of in vitro assays. Segmented microtubules are microtubules with a bright seed and dim elongated segments on both ends. Polarity marked microtubules are microtubules with a bright seed and a dim elongated segment only on one end -- the plus end. - [Read Preparation of Segmented and Polarity Marked Microtubules Protocol]
Protocol for quick DNA plasmid prep. Protocol gives very clean plasmid preps for restriction digests and cloning. However, due to the alkaline lysis step, the DNA is often nicked and may not give exceptional sequence data. - [Read Quick DNA Plasmid Prep Protocol]
Protocol for quick DNA plasmid prep. This is a very fast mini-prep protocol which is suitable for sequence analysis and restriction digests. - [Read Quick DNA Plasmid Prep. Protocol]
Long PCR Buffer, Cycle times and temperatures, Picking Primers, Hot Start Polymerases for Long PCR. Harvard-Lipper Center for Computational Genetics. Modified from Cheng et al. - [Read Reagents and Guidelines for Long PCR]
Recycle tubulin fractions stored at -80¡C after the PC column and store the recycled tubulin in small aliquots for day-to-day use. Generally store recycled tubulin in Injection Buffer (IB) without free GTP. This is done because depolymerization appears to be much better in IB, IB is ideal for microinjections/adding tubulin to extracts, and the absence of free GTP makes polymerization with GMPCPP, a very useful GTP analog that has ~5-10X lower affinity than GTP for tubulin. - [Read Recycling Tubulin Protocol]
Protocol for RNA preparation from cultured cells or tissue samples. This protocol has been used to isolate RNA from relatively small tissue samples. The RNA is clean enough for Rnase protection, cDNA synthesis, and RT-PCR analysis. - [Read RNA Preparation from Cultured Cells or Tissue Samples Protocol]
Protocol for RNA whole mount in situ hybridization. Includes: Embryo preparation; Prehybridization and Hybridization; Post-hybridization washes, blocking, and antibody incubation; Post-antibody washes; Color development. - [Read RNA Whole Mount In Situ Hybridization Protocol]
Tubulin is polymerized into microtubules by incubating tubulin at 37°C with GTP. A nucleation seed is added when the purpose is to assay microtubule elongation. Tubulin can also be polymerized for the purposes of recycling the tubulin or labeling the microtubules with fluorescently labeled tubulin. Based on the protocol by Timothy Mitchison of Harvard University.
In Vitro Translated Xenopus Mos Kinase Assay Protocol. In response to progesterone, immature Xenopus oocytes mature to eggs that can be fertilized. The Mos protein kinase is essential for oocyte maturation, most likely due to its ability to activate the MAP kinase cascade. This MAP kinase cascade eventually leads to the activation of Cdc2/cyclin B and entry into M phase. In this protocol, tagged Mos kinase is translated in vitro, immunopurified, and used in a kinase assay.