• Study Resource
  • Explore Categories
    • Arts & Humanities
    • Business
    • Engineering & Technology
    • Foreign Language
    • History
    • Math
    • Science
    • Social Science

    Top subcategories

    • Advanced Math
    • Algebra
    • Basic Math
    • Calculus
    • Geometry
    • Linear Algebra
    • Pre-Algebra
    • Pre-Calculus
    • Statistics And Probability
    • Trigonometry
    • other →

    Top subcategories

    • Astronomy
    • Astrophysics
    • Biology
    • Chemistry
    • Earth Science
    • Environmental Science
    • Health Science
    • Physics
    • other →

    Top subcategories

    • Anthropology
    • Law
    • Political Science
    • Psychology
    • Sociology
    • other →

    Top subcategories

    • Accounting
    • Economics
    • Finance
    • Management
    • other →

    Top subcategories

    • Aerospace Engineering
    • Bioengineering
    • Chemical Engineering
    • Civil Engineering
    • Computer Science
    • Electrical Engineering
    • Industrial Engineering
    • Mechanical Engineering
    • Web Design
    • other →

    Top subcategories

    • Architecture
    • Communications
    • English
    • Gender Studies
    • Music
    • Performing Arts
    • Philosophy
    • Religious Studies
    • Writing
    • other →

    Top subcategories

    • Ancient History
    • European History
    • US History
    • World History
    • other →

    Top subcategories

    • Croatian
    • Czech
    • Finnish
    • Greek
    • Hindi
    • Japanese
    • Korean
    • Persian
    • Swedish
    • Turkish
    • other →
 
Profile Documents Logout
Upload
Biotechnology in Livestock Improvement
Biotechnology in Livestock Improvement

... structure (i.e., shaped like a corkscrew). Their double-helix model had two strands of DNA with the nucleotides pointing inward, each matching a complementary nucleotide on the other strand to form what looks like rungs on a twisted ladder. This structure showed that genetic information exists in th ...
dna data storage - University of Pittsburgh
dna data storage - University of Pittsburgh

... of random access. Random access means that sequencing can be performed on a selected group of strands instead of the entire structure [12]. Companies can create unique primer nucleotide sequences to section off the data that is stored. This is how data can be sorted and retrieved in an organized man ...
gene_prediction_20040930
gene_prediction_20040930

...  This can be viewed as an extension of the ab initio prediction tools – where coding exons are defined by similarities and not codon bias  GAZE (Howe) is an extension of Phil Green’s Genefinder in which transcript data is used to define coding exons. Other features are scored as in the original Ge ...
chromosomes_nice
chromosomes_nice

... Each chromosome contains one molecule of DNA for the first half or so of interphase, then the DNA replicates, and the two DNA molecules remain together (as sister-chromatids) in the same chromosome for the rest of interphase. This does not happen in prokaryotic cells. Eukaryotic cells have more than ...
Chromosomal breakpoint positions suggest a direct role for radiation
Chromosomal breakpoint positions suggest a direct role for radiation

Understanding Our Environment
Understanding Our Environment

... Entranuclear DNA is found in both mitochondria and chloroplasts.  Endosymbiont Hypothesis theorized mitochondria and chloroplasts were freeliving, and at some point became incorporated into cells of organisms that evolved into plants and established a symbiotic relationship. ...
Survival of Escherichia coli to UV Irradiation During Exponential and
Survival of Escherichia coli to UV Irradiation During Exponential and

... exponential, stationary, or death phase may be prone to UV damage to different degrees depending on the fidelity and the accuracy of the DNA repair systems. To investigate how the DNA repair mechanisms are operating in Escherichia coli during log and stationary phase, survival of the cells in respon ...
Matching DNA Sequences
Matching DNA Sequences

Nucleotide Metabolism -Biosynthesis- Dr. Sooad Al
Nucleotide Metabolism -Biosynthesis- Dr. Sooad Al

... Denovo Purine Nucleotide Biosynthesis  The two parent purine nucleotides of nucleic acids are adenosine 5monophosphate (AMP) and guanosine 5-monophosphate (GMP).  The origin of the carbon and nitrogen atoms of the purine ring system, as determined by John Buchanan using isotopic tracer experiment ...
Overview - BioMed Central
Overview - BioMed Central

... pSANG4 replaces the pelB signal sequence of pHEN1/pSANG3 with the signal sequence from M13 gene 3. This leader is potentially more useful for ligation independent cloning (LIC). LIC which creates long single stranded overhangs and requires nucleotide stretches which use only 3 of the 4 bases (e.g. e ...
Physical mapping shows that the unstable oxytetracycline gene
Physical mapping shows that the unstable oxytetracycline gene

... of the linear chromosomes in these species. These two species have inverted repeats of 30 kb and 210 kb, respectively, at the ends of their chromosomes, which are about 8 Mb in size. These observations suggested that the OTC-cluster might also lie near one end of the chromosome in S. rimosus. This w ...
Dynamics and control of DNA sequence amplification
Dynamics and control of DNA sequence amplification

reviews - Docentes
reviews - Docentes

... with different levels of relative sequence divergence. The divergence from the most similar euryarchaeal homologue was calculated for all annotated open reading frames of a Gram-positive bacterium with little interdomain transfer (Streptococcus thermophilus LMG 18311, red) and for the extremely ther ...
Real-time Quantification of HER2/neu Gene Amplification by
Real-time Quantification of HER2/neu Gene Amplification by

... (LightCycler-HER2/neu Calibrator DNA provided with the kit) and one negative reaction can be analyzed during one LightCycler PCR run. PCR was set up according to the supplier’s instructions. In brief, for each reaction 2 µl of the LightCycler-HER2/neu Detection Mix, 2 µl of the LightCycler-HER2/neu ...
emboj7601802-sup
emboj7601802-sup

... duplication of the resistance cassette. The new copy of the cassette, not linked to the truncated atpB allele, could hamper the selection of mutants. Thus, to prevent gene conversion and expedite the process of homoplasmisation, the inverted repeat sequences downstream of the atpB gene were removed. ...
DNA Crystallography
DNA Crystallography

... SLITS on the Multiple Slit Set accessory. You may need to steer the laser beam a little using the two knobs on the rear of the laser so it passes through the slits. To find the distance d between the slits you will need to look on the face of the slit accessory. Use the pair of slits labeled a=0.04m ...
BBSI Final Report
BBSI Final Report

... and the resultant plasmids used to test interference. The exact nature of this mutation will have to be determined using sequencing, though it is suspected that it was introduced during replication in DH5, since the two fragments were only obtainable after electroporating in to the E. coli intermed ...
Facilitation of chromatin dynamics by SARs Craig M Hart and Ulrich
Facilitation of chromatin dynamics by SARs Craig M Hart and Ulrich

... vitro, and immunofluorescence and injection studies suggest that this also occurs in vivo [6,21••]. Topoisomerase II could thus link condensin, via Barren, to SARs whereas MATH-20 could interfere with this targeting. The aberrant mitotic structures induced by MATH-20 addition may be a consequence of ...
2012_4 The-new-Federal-anti-counterfeiting-mandate-for-military-electronics
2012_4 The-new-Federal-anti-counterfeiting-mandate-for-military-electronics

... The legal language in Section 818 would change things drastically both for military suppliers and for the entire industry, globally, since the same fabs, clean rooms, assembly lines, and distribution centers are turning out both commercial and military-grade products. How exactly things will change ...
PowerPoint 演示文稿 - Xiamen University
PowerPoint 演示文稿 - Xiamen University

... (c) This merodiploid has one wild-type operon (top) and one operon (bottom) with a mutant repressor gene (lS) those product (yellow) cannot bind inducer. The mutant repressor therefore binds irreversibly to both operators and renders both operons uninducible. This mutation is therefore dominant. Not ...
lac
lac

... or phages. • Some phages that infect Escherichia coli have a 20-sided capsid head that encloses their DNA and protein tail piece that attaches the phage to the host and injects the phage DNA inside. ...
10 Day Lesson Plan - Joseph L. Anderson
10 Day Lesson Plan - Joseph L. Anderson

... explored the fundamental workings of the DNA molecule. We have talked of Replication and Protein Synthesis. But what does it all mean and why RNA? During cell reproduction we have found that the DNA unwinds and separates. It has also been learned that two identical DNA strands are formed for each da ...
An Introduction to Genetic Analysis Chapter 20 Transposable
An Introduction to Genetic Analysis Chapter 20 Transposable

... In 1938, Marcus Rhoades analyzed an ear of Mexican black corn. The ear came from a selfing of a pure-breeding pigmented genotype, but it showed a surprising modified Mendelian dihybrid segregation ratio of 12:3:1 among pigmented, dotted, and colorless kernels. Analysis showed that two events had occ ...
understanding genetic research - Alternating Hemiplegia of
understanding genetic research - Alternating Hemiplegia of

... Cells are the basic building blocks of all living things. The human body is composed of trillions of cells. They provide structure for the body, take in nutrients from food, convert those nutrients into energy, and carry out specialized functions. DNA DNA, or deoxyribonucleic acid, is the hereditary ...
Chapter 10 - McGraw Hill Higher Education
Chapter 10 - McGraw Hill Higher Education

... In 1938, the German embryologist Hans Spemann proposed what he called a “fantastical experiment”: Replace the nucleus of an egg cell with the nucleus of another cell Early attempts to clone animals in this way failed The breakthrough was the following insight Starvation will synchronize cells at the ...
< 1 ... 78 79 80 81 82 83 84 85 86 ... 766 >

Cre-Lox recombination



In the field of genetics, Cre-Lox recombination is known as a site-specific recombinase technology, and is widely used to carry out deletions, insertions, translocations and inversions at specific sites in the DNA of cells. It allows the DNA modification to be targeted to a specific cell type or be triggered by a specific external stimulus. It is implemented both in eukaryotic and prokaryotic systems.The system consists of a single enzyme, Cre recombinase, that recombines a pair of short target sequences called the Lox sequences. This system can be implemented without inserting any extra supporting proteins or sequences. The Cre enzyme and the original Lox site called the LoxP sequence are derived from bacteriophage P1.Placing Lox sequences appropriately allows genes to be activated, repressed, or exchanged for other genes. At a DNA level many types of manipulations can be carried out. The activity of the Cre enzyme can be controlled so that it is expressed in a particular cell type or triggered by an external stimulus like a chemical signal or a heat shock. These targeted DNA changes are useful in cell lineage tracing and when mutants are lethal if expressed globally.The Cre-Lox system is very similar in action and in usage to the FLP-FRT recombination system.
  • studyres.com © 2026
  • DMCA
  • Privacy
  • Terms
  • Report