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Antibody Addition and Detection for Staining Caenorhabditis elegans Protocol - http://www.cshprotocols.org/cgi/content/abstract/2006/23/pdb.prot4523

Category: C. elegans Protocols: C. elegans Staining Protocols

Extreme care should be used to identify and verify positive reactions, however, because cross-reactions are common. Counterstaining is essential for examining worms by immunofluorescence and is used to identify the exact cell in which an antigen appears. Methods for counterstaining include labeling all cells with a fluorescent dye that is specific for nucleic acids (e.g., DAPI or propidium iodide) and using GFP driven by tissue-specific promoters. - [Read Antibody Addition and Detection for Staining Caenorhabditis elegans Protocol]

Aseptic Technique for Cell Culture Protocol - https://catalog.invitrogen.com/index.cfm?fuseaction=iProtocol.unitSectionTree&treeNodeID=9E662B7EFFEB261151E9039B66FD5981&objectid=66739FA0D0CABBF1C466C9F466ABDF9A

Category: Cell Culture Protocols: Sterile Technique Protocols

This unit describes some of the ways that a laboratory can deal with the constant threat of microbial contamination in cell cultures. A protocol on aseptic technique is described first. This catch-all term universally appears in any set of instructions pertaining to procedures in which noncontaminating conditions must be maintained. - [Read Aseptic Technique for Cell Culture Protocol]

Home-made Taq Polymerase Purification - http://www.nottingham.ac.uk/~mbzspd/methods/Home_made_Taq_polyme.html

Category: PCR Protocols

PCR polymerase costs can be high. If you are willing to work, you can produce bacteria containing the clone. It appears to produce lots of Taq and is quite stable. The proceedure takes 4 days start to (15 000 units of Taq) finish. The Taq also appears ver - [Read Home-made Taq Polymerase Purification]

Isolation and Freezing of Primary Mouse Embryonic Fibroblasts (MEF) For Feeder Plates - http://www.cshprotocols.org/cgi/content/extract/2006/18/pdb.prot4482

Category: Stem Cell Protocols: Feeder Cell Preparation Protocols

This protocol describes the isolation of fibroblasts from mouse embryos. Mouse embryonic fibroblast (MEF) cells are used as a feeder layer for the culture of mouse embryonic stem (ES) cells to help maintain them as pluripotent stem cells. The inhibition of ES-cell differentiation provided by the MEF feeders appears to be due to their production of leukemia inhibitory factor (LIF). - [Read Isolation and Freezing of Primary Mouse Embryonic Fibroblasts (MEF) For Feeder Plates]

Recycling Tubulin Protocol - http://mitchison.med.harvard.edu/protocols/recycle.html

Category: Cytoskeleton Protocols: Microtubules Protocols

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]

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Thionin Method

Thionin Method and protocol for staining cells.

Electrotransformation of BMH 81-17mut S for Isolating Site-Directed dsDNA Mutants

This protocol describes the electroporation of the BMH 81-17 mut S strain that is recommended for tranformation of the site directed mutagenesis of dsDNA (See Protocol on Site-Directed Mutagenesis on Double Stranded DNA). BMH 81-17 mut S are a mismatch repair defective (mut S) Escherichia coli strain. The probability that the two mutations will cosegregate during the first round of DNA replication is increased in this strain.

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