StreakingBacteriaforSingleColonies
1. Initial inoculum:- From solid media, touch an isolated colonies with a sterile applicator or toothpick.- From liquid media, touch the culture with the end of a sterile applicator.- From a frozen culture, scrape the surface with a sterile applicator; you need not take visible clumps.- From a stab tube, insert a sterile applicator into the agar and withdraw; do not take agar chunks.2. Draw the inoculated end of the ......阅读全文
Streaking－Bacteria－for－Single－Colonies
1. Initial inoculum:- From solid media, touch an isolated colonies with a sterile applicator or toothpick.- From liquid media, touch the culture with
Preparing－Overnight－Bacterial－Culture
Materials:Sterile LB medium (Luria-Bertani Medium) with or without antibiotic:water 500 mlbacto-tryptone 10 gbacto-yeast extracts 5 gsodium chloride 1
Streaking－Bacterial－Stocks
Principle:Bacterial cells are streaked onto a medium to obtain an independent isolate. This is done to reduce the likelihood of working with a culture
Bacteria－Growth－and－Culture－Bacteria－Growth－and－Culture
Flagella and motilitymonotrichous flagella - the bacterial cell has a single flagellaperitrichous flagella - the bacterial cell has several flagella w
General－Cloning－Protocols
Large Scale Preps: (See Large scale plsasmid prep protocol for more details)Cultures: Inoculate a 5 mL LB/Amp (50 - 100 µg/mL) culture in early a.m. w
Transformation－of－Electrocompetent－E.－coli－with－Blue/White－selection
Desalt DNA template by EtOH precipitation in NaOAc followed by at least 2x washes with 70% EtOH. Resuspend in 5 - 15 µL of sterile H2O.Rinse cuvettes
细菌培养
Preparing Overnight Bacteria Culture (LaboratoryExperiments.com)This is a basic procedure for high school students and useful for those who are new to
Bacteria－Culture－Protocol
Bacteria Culture ProtocolBy 徐晓政1、TBS Medium Preparation:Prepare 1L of TBS medium contains:Tryptone 12gYeast extract 24gNaCl 5gSodium Succinate 5gGlyce
Testing－for－Bacteria－and－Fungi
AimIn cases of gross contamination the naked eye may identify the presence of bacteria and fungi. However, it is necessary to detect low-level infecti
Biosynthesis－of－Proline－in－Bacteria
Among the twenty amino acids encoded by the genetic code, proline is unique in having a cyclic structure with its side chain connected to the amino gr
Bacterial－cell－culture
MaterialsGlass culture tubes with metal caps and labelsGrowth medium, from media room or customizedGlass pipette tubesParafilmEquipmentVortexerFireboy
土壤细菌的分离与纯化
一 教学要求 通过从土壤中分离纯化细菌 ，初步掌握微生物的分离纯化方法和无菌操作技术。 二 实验原理 - 常用的分离纯化方法 microorganisms exist in Nature as mixed populations. However, to study microo
Expression－Library－Screening－(Procaryotic)－Using－APFusion－Proteins
Outline:Bacteriophage lambda is a linear double stranded DNA, approximately 50 kB in size. The two sticky ends help the phage to recircularize after e
超级感受态制备
Simple and Efficient Method (SEM) to Make Competent Cells Preparation of Frozen Competent of DH5α 1) 250 ml TB solution 10mM Pipes or 10 mM Hepes, 0.6
Biosynthesis－of－Chorismate－in－Bacteria－and－Plants
The biosynthesis of all three aromatic amino acids (tryptophan, tyrosine and phenylalanine) begins with the metabolic intermediate chorismate. The bio
Biosynthesis－of－Tryptophan－in－Bacteria－and－Plants
The aromatic amino acid tryptophan is an essential nutrient, meaning that humans and animals do not themselves have the biosynthetic machinery to synt
DNA转化实验指导3
6. Simultaneous digestion of the pUC vector with both enzymes in the presence of 3 units of Shrimp Alkaline Phosphatase (Amersham BioSciences) in
Colony－Hybridization
ProcedurePrepare serial 10-fold dilutions of transformed bacteria in LB and spread 100 µL onto LB/Amp plates, as described in the Electroporation prot
Screening－Bacterial－Colonies－Using－Xgal－and－IPTG:－αComplementation
实验概要 α-complementation occurs when two inactive fragments of E. coli β-galactosidase associate to form a functional enzyme. Many plasmid
Gram－Stain－(+\)
实验概要细菌的革兰氏染色技术实验材料Colonies of bacteriaToothpicksCrystal violetGram's iodine95% ethanolSafraninMicroscopes with oil immersion实验步骤1. Before staini
Agar－Plates－for－Selection－of－Clones－in－Bacteria
Cloning of PCR productsStocks:LB Agar: Luria Broth after Lennox:per LiterTryptone10 gYeast Extract5 gSodium Chloride5 gBact. Agar15 g pH 7.0Autoclave
Isolation－of－genomic－DNA－from－bacteria
Note: This procedure does not work well with Gram + cocci.Transfer 1.5 mL overnight culture to a 1.5 mL microfuge tube, centrifuge for 30 sec, decant
Bacteria,－cont.－Growth－and－Reproduction
Flagella and motilitymonotrichous flagella - the bacterial cell has a single flagellaperitrichous flagella - the bacterial cell has several flagella w
麦康凯琼脂平板
This image illustrates growth of a nonlactose fermenter on MacConkey agar. MacConkey agar contains bile salts and crystal violet which inhibit the
SingleCell－Electroporation－in－Xenopus
Single-Cell Electroporation in XenopusXue Feng Liu and Kurt HaasINTRODUCTIONSingle-cell electroporation (SCE) is a versatile technique for delivering
single－atom－tips－(SATs)制作
目前普遍制作的SATs的方法主要有两种：（1）构建法（2）选择性气蚀法。
Single－tube－confirmation－PCR－protocol
The following colony PCR protocol has been designed to be performed in individual reaction tubes. We usually test three colonies from each transformat
Agarose－Gels－for－Single－Stranded－DNA
1. Prepare 50X TAE as:242 g Tris Base57.1 mL Glacial Acetic Acid100 mL 500 mM EDTA, pH 8.0600 mL ddH2OMix. Bring volume to 1 L. Autoclave.2. Mix the f