SOPs

The phosphorylation level of a particular protein can be determined using a procedure based upon western immunoblotting, with Phos-tag™ reagent present in the SDS-PAGE gel. The Phos-tag™ reagent, supplied in the form of Phos-tag™ acrylamide (Wako Pure Chemical Industries, AAL-107), causes proteins to be resolved both on the basis of size and phosphorylation state. This means that phosphorylated and de-phosphorylated forms of the same protein can be distinguished.

The Gene-doctoring method of lambda-red deletion (Lee et al., 2009) was modified slightly to create chromosomal mutations of fnr.

Creator: Matthew Rolfe

Contributor: Matthew Rolfe

This assay uses a dual-wavelength spectrophotometer to quantify cytochromes present in the E. coli respiratory chain.

This method describes how one can quench metabolism of Escherichia coli and extract metabolites from many kinds of metabolite classes like: nucleotides, sugar-phosphates, organic acids ....

This is a well-established, classical genetic method of constructing chromosomal monolysogenic fusions to a promoterless lacZ gene.

This SOP describes the SUMO procedure for determining B-galactosidase activities.

This protocol describes the transcriptional profiling of E. coli cultures using microarrays. The protocol utilises RNA isolated as described in another SOP (SUMO RNA isolation from E. coli) and with hybridisation to Ocimum Ocichip E. coli K-12 microarrays.

This SOP defines the format of SOPs used in the SUMO consortium.

Creator: Michael Ederer

Contributor: Michael Ederer

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