DIY optogenetics: Building, programming, and using the Light Plate Apparatus.

abstract：:Transfer RNA is extensively modified by the actions of a variety of enzymes. The radical S-adenosyl-l-methionine enzyme TYW1 modifies tRNAPhe forming the characteristic tricyclic ring via the condensation of carbons 2 and 3 of pyruvate. This chapter details methods that are required for studies of TYW1. ...

journal_title：Methods in enzymology

authors： Young AP,Bandarian V

更新日期：2018-01-01 00:00:00

abstract：:5-FOA is an extremely useful reagent for the selection of Ura- cells amid a population of Ura+ cells. The selection is effective in transformation and recombination studies where loss of URA3+ is desired. A new plasmid shuffling procedure based on the 5-FOAR selection permits the recovery of conditional lethal mutatio...

journal_title：Methods in enzymology

authors： Boeke JD,Trueheart J,Natsoulis G,Fink GR

更新日期：1987-01-01 00:00:00

abstract：:Staphylococcus aureus is a Gram-positive major human pathogen involved in a wide range of human infectious diseases (from minor skin infections to septicemia, endocarditis or toxic shock syndrome). The treatment of S. aureus infections is very challenging due to the emergence of multiple antibiotic-resistant isolates....

journal_title：Methods in enzymology

authors： Lalaouna D,Desgranges E,Caldelari I,Marzi S

更新日期：2018-01-01 00:00:00

abstract：:We describe here the methods we have used to generate selective peptide inhibitors and activators of PKC-mediated signaling. These approaches should be applicable to any signaling event that is dependent on protein-protein interaction. Furthermore, targeting downstream enzymes in signal transduction has been notorious...

journal_title：Methods in enzymology

authors： Schechtman D,Mochly-Rosen D

更新日期：2002-01-01 00:00:00

abstract：:This protocol describes a general protein-to-protein cross-linking procedure using the water-soluble amine-reactive homobifunctional BS(3) (bis[sulfosuccinimidyl] suberate); however, the protocol can be easily adapted using other cross-linkers of similar properties. BS(3) is composed of two sulfo-NHS ester groups and ...

journal_title：Methods in enzymology

authors： Alegria-Schaffer A

更新日期：2014-01-01 00:00:00

abstract：:Acetyl CoA:arylamine N-acetyltransferase (NAT; E.C. 2.3.1.5) enzymes play a key role in the metabolic activation of aromatic amine and nitroaromatic mutagens to electrophilic reactive intermediates. We have developed a system in which the activation of mutagens by recombinant human NAT2, expressed in Escherichia coli,...

journal_title：Methods in enzymology

authors： Savulescu MR,Mushtaq A,Josephy PD

更新日期：2005-01-01 00:00:00

abstract：:The Escherichia coli fumarate and nitrate reductase (FNR) regulator protein is an important transcriptional regulator that controls the expression of a large regulon of more than 100 genes in response to changes in oxygen availability. FNR is active when it acquires a [4Fe-4S](2+) cluster under anaerobic conditions. T...

journal_title：Methods in enzymology

authors： Crack JC,Le Brun NE,Thomson AJ,Green J,Jervis AJ

更新日期：2008-01-01 00:00:00

abstract：:PqqE is the first enzyme in the biosynthetic pathway of the redox cofactor pyrroloquinoline quinone (PQQ), catalyzing the formation of a carbon-carbon bond in the precursor peptide PqqA. PqqE is a radical S-adenosyl-l-methionine (SAM) (RS) enzyme, a family of enzymes that use the reductive cleavage of a [4Fe-4S] clust...

journal_title：Methods in enzymology

authors： Zhu W,Martins AM,Klinman JP

更新日期：2018-01-01 00:00:00

abstract：:Peptide-based strategies represent transformative approaches to fabricate functional inorganic materials under sustainable conditions by modeling the methods exploited in biology. In general, peptides with inorganic affinity and specificity have been isolated from organisms and through biocombinatorial selection techn...

journal_title：Methods in enzymology

authors： Bedford NM,Munro CJ,Knecht MR

更新日期：2016-01-01 00:00:00

abstract：:Paraquat (PQ) is a prototypical redox cycling agent commonly used experimentally to generate reactive oxygen species and oxidative stress. Recently, PQ has also come under investigation as a potential environmental neurotoxin associated with increased risk for neurodegenerative disease developing after chronic exposur...

journal_title：Methods in enzymology

authors： Drechsel DA,Patel M

更新日期：2009-01-01 00:00:00

abstract：:Cancer has become the leading cause of death in the developed world and has remained one of the most difficult diseases to treat. One of the difficulties in treating cancer is that conventional chemotherapies often have unacceptable toxicities toward normal cells at the doses required to kill tumor cells. Thus, the de...

journal_title：Methods in enzymology

authors： Cantor JR,Panayiotou V,Agnello G,Georgiou G,Stone EM

更新日期：2012-01-01 00:00:00

abstract：:Microsatellite markers are quickly becoming the molecular marker of choice for studies of parentage and kinship in animals. In this chapter, we review methods and give protocols for screening potential microsatellite markers, as well as protocols for genotyping individuals with useful markers once they have been ident...

journal_title：Methods in enzymology

authors： Webster MS,Reichart L

更新日期：2005-01-01 00:00:00

abstract：:Respiration is widely used for evaluation of the metabolic capabilities or physiological state of the microbial culture. This chapter describes novel approaches for characterization of respiration at a single cell level: (1) flow cytometry-based redox sensing (FCRS) of actively metabolizing microbes; (2) respiration r...

journal_title：Methods in enzymology

authors： Konopka MC,McQuaide S,Ojala DS,Kalyuzhnaya MG,Lidstrom ME

更新日期：2011-01-01 00:00:00

abstract：:In the near future, computational tools and methods based on the mathematical modeling of biomedically relevant networks and pathways will be necessary for the design of therapeutic strategies that fight complex multifactorial diseases. Beyond the use of pharmacokinetic and pharmacodynamic approaches, we propose here ...

journal_title：Methods in enzymology

authors： Marin-Sanguino A,Gupta SK,Voit EO,Vera J

更新日期：2011-01-01 00:00:00

abstract：:Prior to the development of 3D reconstruction, images were interpreted in terms of models made from simple units like ping-pong balls. Generally, people eye-balled the images and with other knowledge about its structure, such as the number of subunits, proposed models to account for the images. How was one to know if ...

journal_title：Methods in enzymology

authors： Derosier D

更新日期：2010-01-01 00:00:00

abstract：:Accurate diagnosis of attentional disorders such as attention-deficit hyperactivity disorder (ADHD) is imperative because there are multiple negative psychosocial sequelae related to undiagnosed and untreated ADHD. Early and accurate detection can lead to effective intervention and prevention of negative sequelae. Unf...

journal_title：Methods in enzymology

authors： Robeva R,Penberthy JK

更新日期：2009-01-01 00:00:00

abstract：:Recent work demonstrates that RNA interference (RNAi) can coordinate protein expression. Inhibitory RNAs are expressed naturally in cells as microRNAs (miRNAs) or introduced into cells as small interfering RNAs (siRNAs). Both types of small RNAs can be used at the bench to silence mRNA expression. For many researchers...

journal_title：Methods in enzymology

authors： Davidson BL,Harper SQ

更新日期：2005-01-01 00:00:00

abstract：:Genome sequencing projects have provided the substrate for an unimaginable number of biological experiments. Further, genomic technologies such as microarrays and quantitative and exquisitely sensitive techniques such as real-time quantitative polymerase chain reaction have made it possible to reliably generate millio...

journal_title：Methods in enzymology

authors： Scheele C,Larsson O,Timmons JA

更新日期：2009-01-01 00:00:00

abstract：:The Ras gene family has been implicated in the development of many human epithelial cancers. Mutations in K-ras or its downstream mediator BRAF have been detected in about two thirds of low-grade serous carcinomas and borderline serous tumors; mutations in K-ras are also often present in benign and invasive mucinous o...

journal_title：Methods in enzymology

authors： Rosen DG,Yang G,Bast RC Jr,Liu J

更新日期：2006-01-01 00:00:00

abstract：:The genome integrity of living organisms is constantly threatened by endogenous cellular metabolic processes and environmental agents. To quantify these low, physiologically relevant levels of DNA damage, a single-cell gel electrophoresis (comet) combined with strand-specific fluorescence in situ hybridization (FISH)-...

journal_title：Methods in enzymology

authors： Mondal M,Guo J

更新日期：2017-01-01 00:00:00

abstract：:The unexpected discovery of graphene and especially the follow-up explosion of interest in its properties and applications marked the beginning of a new carbon era. Graphene-based nanostructured materials are highly useful because they show great promise in the field of biotechnology and biomedicine. Owing to their un...

journal_title：Methods in enzymology

authors： Khan M,Husain Q,Asmat S

更新日期：2018-01-01 00:00:00

abstract：:The Gene Expression Omnibus (GEO) repository at the National Center for Biotechnology Information archives and freely distributes high-throughput molecular abundance data, predominantly gene expression data generated by DNA microarray technology. The database has a flexible design that can handle diverse styles of bot...

journal_title：Methods in enzymology

authors： Barrett T,Edgar R

更新日期：2006-01-01 00:00:00

abstract：:β-arrestins (βarrs) are multifunctional proteins that interact with activated and phosphorylated G protein-coupled receptors (GPCRs) to regulate their signaling and trafficking. Understanding the intricate details of GPCR-βarr interaction continues to be a key research area in the field of GPCR biology. Bimane fluores...

journal_title：Methods in enzymology

authors： Srivastava A,Baidya M,Dwivedi-Agnihotri H,Shukla AK

更新日期：2020-01-01 00:00:00

abstract：:Reliable detection of keratins in tissues is important for investigating their physiological role and for using keratin expression as a biomarker in medical diagnostics. A particular challenge for the detection of keratins by immunofluorescence microscopy or immunohistochemistry relates to the fact that keratin interm...

journal_title：Methods in enzymology

authors： Stumptner C,Gogg-Kamerer M,Viertler C,Denk H,Zatloukal K

更新日期：2016-01-01 00:00:00

abstract：:Mitochondrial RNAs in the myxomycete Physarum polycephalum differ from the templates from which they are transcribed in defined ways. Most transcripts contain nucleotides that are not present in their respective genes. These "extra" nucleotides are added during RNA synthesis by an unknown mechanism. Other differences ...

journal_title：Methods in enzymology

authors： Byrne EM,Visomirski-Robic L,Cheng YW,Rhee AC,Gott JM

更新日期：2007-01-01 00:00:00

abstract：:Sulfate-reducing prokaryotes (SRPs) exploit sulfate as an electron acceptor for anaerobic respiration and exclusively catalyze this essential step of the world's sulfur cycle. Because SRPs are found in many prokaryotic phyla and are often closely related to non-SRPs, 16S rRNA gene-based analyses are inadequate to iden...

journal_title：Methods in enzymology

authors： Wagner M,Loy A,Klein M,Lee N,Ramsing NB,Stahl DA,Friedrich MW

更新日期：2005-01-01 00:00:00

abstract：:Lysosomes are specialized organelles for protein recycling and as such are involved in the terminal steps of autophagy. However, it has become evident that lysosomes also play an important role in the progression of apoptosis. This latter function seems to be dependent on lysosomal proteases, which need to be released...

journal_title：Methods in enzymology

authors： Ivanova S,Repnik U,Bojic L,Petelin A,Turk V,Turk B

更新日期：2008-01-01 00:00:00

abstract：:Microscopy is a simple, direct technique for examining the morphology of cells and their organelles. Embedding cells in agarose and then in paraffin as 'cell blocks' allows for them to be processed in the same manner that tissue specimens are processed for histology. This method is advantageous because numerous sectio...

journal_title：Methods in enzymology

authors： Koh CM

更新日期：2013-01-01 00:00:00

abstract：:Complex I is the major entry point in the bacterial and mitochondrial respiratory chain. Structural knowledge of the enzyme is still limited because of its large size and complicated architecture. Only the structure of the hydrophilic domain of a bacterial Complex I has been solved to high resolution by X-ray crystall...

journal_title：Methods in enzymology

authors： Radermacher M

更新日期：2009-01-01 00:00:00

abstract：:We describe a method for molecular confinement and single-fluorophore sensitive measurement in aqueous nanodroplets in oil. The sequestration of individual molecules in droplets has become a useful tool in genomics and molecular evolution. Similarly, the use of single fluorophores, or pairs of fluorophores, to study b...

journal_title：Methods in enzymology

authors： Goldner LS,Jofre AM,Tang J

更新日期：2010-01-01 00:00:00