...amazing plasmid technologies developed by our community of depositors. With over 40,000 plasmids avaliable...amazing new plasmid tools that have come through our doors in 2015. Do you have a favorite new plasmid tool ...system plasmids are available through Addgene and are already very popular. Use these plasmids to increase... can visualize: Cell Structure Plasmids: Cell Structure Plasmids: ER mCherry-Sec61 beta BFP-Sec61...luciferase reporter gene plasmid pGL3 pGL3 luciferase reporter gene plasmids have been used extensively...find all of our Hot Plasmid articles on our website. We update the our Hot Plasmids articles every quarter...Read Our CRISPR 101 Posts Read Our Plasmids 101 Posts Read All of Plasmid Technology Posts Resources at ...

...based on the functional elements they contain. Plasmid DNA in both prokaryotic and eukaryotic systems must...Download our Plasmids 101 eBook to get all the background you need to start working with plasmids! What are...Techniques Read all of our Plasmids 101 Posts Resources on Addgene.org Browse our Plasmid Reference Pages Just...Plasmids designed to express genes in a given host cell type are generally broken down into two broad...Rho-dependent terminators are not usually employed in plasmid-based expression systems, so these will not be ...the end.  Nearly all common bacterial expression plasmids use Rho-independent terminators, which include...the right. The tertiary structure of the hairpin-DNA complex is thought to destabilize the transcription...

...as a universal donor plasmid. The CRISPaint toolkit includes several donor plasmids for protein tagging...the ability of the endonuclease Cas9 to create a DNA double stranded break (DSB) at a genomic site specified...homology directed repair pathway, a new user-defined DNA sequence (like GFP) can be inserted at the DSB. CRISPR...The Jorgensen Lab recently developed a modular plasmid assembly toolkit called SapTrap to improve CRISPR...the user first designs either oligos or synthetic DNA for the desired gRNA target sequence, as well as ...repair template. SapTrap includes a prebuilt donor plasmid library containing several types of fluorescent...tag and homology arms). Digestion of the donor plasmids with SapI allows the tag, selectable marker, and...

...for Your Research View our Hot Plasmid Pages to See the Latest Plasmid Technologies ...identified a set of one to three mutant complementary DNAs (cDNAs) representing core nodes that, when over-expressed...cloned all the cDNAs into a single consensus lentiviral expression vector and attached a DNA barcode to each... drugs in specific contexts, so he assembled a plasmid kit designed to do exactly that. As described in...It’s also possible you could make use of these plasmids in living animals, to explore pathways that confer...Be Used in Genome-Wide Screening Browse 28 Hot Plasmid Technologies from 2015 Additional Resources on...curate the perfect library, obtained the appropriate cDNAs from other researchers, and cloned them into lentiviral...

...designed so that the single stranded DNA folds back on itself to become dsDNA in the nucleus and is a good option...Adeno-associated virus (AAV) is a single stranded, Parvoviridae DNA virus, packaged in a non-enveloped icosahedral capsid...repeats – the sequences that flank the deliverable DNA) are removed, resulting in recombinant AAVs (rAAVs...cell machinery, and synthesize a second strand of DNA before expression of their cargo can begin, which...not divide and replicate in the same way the host DNA does. Because of this, fast dividing tissues will...differentiated, non-dividing cells.   Figure 2: DNA rescue and transduction of a conventional single-...of both polarities are rescued from the vector plasmid and individually packaged into the AAV capsids....

...intermediary DNA replication step between DNA and mRNA. DNA genome replication can involve an RNA or dsDNA intermediary...Louten, 2016 Viruses with DNA genomes can either follow central dogma (gDNA to RNA to proteins) or require...retroviruses, reverse transcribe their gRNA into DNA, which is then transcribed into mRNA before being...replicate their genomes using a variety of RNA or DNA intermediaries, depending on the class of virus. ...the required proteins are packaged in separate plasmids and expressed via cells cultured with the vectors...double stranded (ds) or single stranded (ss) (ie, dsDNA, ssDNA, dsRNA, positive sense ssRNA, or negative sense...

... presence of a plasmid is disadvantageous from the bacterium's perspective – a plasmid-containing cell...cell must replicate the plasmid in addition to its own chromosomal DNA, costing additional resources to ...to maintain the plasmid. Adding an antibiotic resistance gene to the plasmid solves both problems at once...Biology Reference Pages View our Plasmid Protocols Find Your Perfect Plasmid Backbone ...think about how much easier it makes our lives. Plasmid transformation into E. coli is a fairly inefficient... which cells successfully received the correct plasmid, scientists would spend hours to days trying find...once – it allows a scientist to easily detect plasmid-containing bacteria when the cells are grown on ...

... eBook Read our plasmids 101 blog series Resources on Addgene.org Browse our plasmid collection pages... resistant to chemotherapy. You can find these plasmids at Addgene. Another advantage of mice as model...using the fruit fly far before we even knew that DNA was genetic material (Jennings, 2011).   The fruit...processes with our own cells. Like human cells, yeast DNA is packaged into chromosomes and about 23% of yeast...Scientists can simply inject one-celled embryos with DNA or RNA to edit their genomes or to create transgenic... pancreas. They first tagged these cells using plasmids. Then using HOTcre, a method that uses heat induction...Transgenic animals can be made by simply micro-injecting DNA into the worm, such as animals that express fluorescent...

... inosine from DNA: N-methylpurine DNA glycosylase (MPG), also known as alkyladenine DNA glycosylase (AAG...N-methylpurine DNA glycosylase / alkyladenine DNA glycosylase  Removes hypoxanthine from DNA, creating an...create an abasic (empty) DNA site using either fused or endogenous Uracil DNA N-glycosylase (UNG) enzymes...(AP) site. UNG / UDG Uracil DNA N-Glycosylase Removes uracil from DNA, creating an abasic site. MPG...W. (2024). Programmable DNA pyrimidine base editing via engineered uracil-DNA glycosylase. Nature Communications...fused to nCas9. First, MPG removes the G base from DNA to create an abasic site. Like in most other base...non-edited strand to encourage the cell to repair the DNA using the edited strand as a template — in this case...

...the vast majority of CRISPR plasmids in our repository use Cas9 to cut DNA, Addgene Science Communications...CRISPR mediated genome engineering. 10. Plasmids 101: Control Plasmids Need help thinking about the types ...Scientists eBook Download the Plasmids 101 3rd Ed. eBook Read the Most Recent Plasmids 101, CRISPR 101, and Career... two eBooks (Management for Scientists and the Plasmids 101 2nd ed, the 3rd edition has now been released...top of the many developments in science and the plasmids, technologies, and researchers behind them. As...most popular posts continue to be those from our Plasmids 101 and CRISPR 101 series. These posts aim to ... the background they need to get started using plasmids and the revolutionary CRISPR technology in their...

... to make my own glass milk for purifying cut plasmid DNA from agar slices.  Molecular biologists used ...daily before the advent of techniques like PCR and DNA synthesis. Most molecular biologists bought the pricey... I realized I was pouring large agarose gels for DNA visualization or isolation, then using only a few...bromide, less stop buffer and miniscule amounts of plasmid sample.  How satisfying?  With practice, I got ...

...the CRISPR guide Find CRISPR plasmids by function Browse our entire plasmid collection ... prevents the prime editor from re-engaging with DNA it has already edited. Created with BioRender.com...create 3-base (or longer) tracts of edited bases. DNA mismatch repair (MMR) is less efficient at identifying...cell to use the edited strand as a template during DNA repair. Test multiple nick sites, starting with sites... Nicking sgRNAs can be designed to target edited DNA, so that nicking only occurs after the edit is installed...genome editing without double-strand breaks or donor DNA. Nature, 576(7785), 149–157. https://doi.org/10.1038...Structure of Cas9 in Complex with Guide RNA and Target DNA. Cell, 156(5), 935–949. https://doi.org/10.1016/j.cell...

...from a reverse-transcribed piece of DNA called a “provirus.” This DNA is synthesized inside of what is called...Central Dogma of Biology (gDNA → mRNA → protein): their roadmap includes RNA → DNA (Cooper & Temin, 1974)...transferring genes to mammalian cells (i.e. transferring DNA), yet retroviruses are RNA-containing viruses  (Robinson... because they integrate this reverse-transcribed DNA into the host cell’s genome and then use cell machinery...Transduction is often thought of as the integration of DNA into the host cell’s genome (shown in step 3), but...various mechanisms, only one of the two strands’ DNA counterparts from step 2 will be integrated by the...Hu & Temin, 1990). At step 3, the double stranded DNA is integrated into the host chromosome, and this ...

...including plasmids, ready-to-use viral preps, pooled libraries, kits, and cloning grade DNA!     This...100,000 different plasmids available from the repository (currently at 98,276 plasmids as of April 8, 2021... 2021) 1.5 million plasmids shared in total (currently at 1,484,507 as of April 8, 2021) 5,000 depositing...addgene.org homepage! You can track the number of plasmids right below the search bar and more stats further...

...Learn about CRISPR DNA Base Editing Resources on Addgene.org Browse All CRISPR Plasmids Check out our CRISPR...editing has multiple advantages over more traditional DNA editing systems; first, RNA editing doesn't require...contain the RuvC and HNH domains responsible for DNA cleavage, so they cannot directly edit the genome...is mediated by ADAR2DD, not PspCas13b. Find the plasmids for the RESCUE RNA editors here! Testing and improving...for viral delivery.  Find the RESCUE RNA editing plasmids here! Future directions Building on previous RNA...Science (2017):pii: eaaq0180. PMID: 29070703. Find plasmids from this paper at Addgene. Abudayyeh, Omar O...550(7675) (2017):280-284. PMID: 28976959. Find plasmids from this paper at Addgene. Abudayyeh, Omar O...

.... citrea scarless editing plasmids Sheng Yang’s lab describes a two-plasmid system that combines recombineering...QCascade DNA-targeting module with the crRNA, (3) three transposase proteins, and (4) the donor DNA. By using...supplied as a dsDNA fragment. Each round of editing takes two days, and the pTargetF and pCas plasmids can be...engineering functions in bacteria, but have no fear - plasmids from Addgene depositors are making it easier than...machinery to promote homologous recombination of linear DNA fragments. Since recombineering does not contain ... system available from Addgene consists of two plasmids: pCas9: carries Cas9 and chloramphenicol resistance...gRNA and a backbone-targeting gRNA cassette for plasmid curing through "self-destruction" after induction...

...What SARS-CoV-2 plasmids from Ginkgo Bioworks are available for request? Currently, plasmids containing all...available. Plasmids are continually added as they complete QC and you can find all available plasmids listed...prepare Sanger reactions by mixing this isolated plasmid DNA with appropriate sequencing primers, and hand...to fresh data! These same plasmids are then added into our normal full plasmid NGS queue in order to bring...pipeline. For the first ~50 plasmids we perform our standard full plasmid sequencing by NGS. Addgene’s...on Addgene.org Find all plasmids from Ginkgo Bioworks  Find COVID-19 plasmids for your research Browse... to synthesize and share over 1,850 SARS-CoV-2 plasmids to help academic and industrial labs accelerate...

...combination of different genetic sequences into plasmid DNA. In high throughput cloning techniques, although...Gibson Assembly Learn About Other Plasmid Cloning Techniques Plasmids 101: Green Fluorescent Protein Resources...Fluorescent Protein Collection Find Plasmid Kits at Addgene Find Plasmid Cloning Protocols References 1....MXS chaining MXS-chaining was designed to create plasmids for fluorescence imaging or flow cytometry applications...modules (Figure 2) are contained in individual plasmids and are each flanked by the same multiple cloning...assembly method Single reaction, can assemble large DNA sequences, no restriction enzymes needed Not optimal...throughput cloning is to facilitate the construction of plasmids with many components. The creators of the MXS-...

...mutation” field on the plasmid page (see plasmid 87904 for example). As many plasmids available from Addgene...blog Plasmids 101: protein expression Plasmids 101: E. coli strains for protein expression Plasmids 101...codon optimized by ordering plasmids containing them from Addgene. If a plasmid at Addgene contains a gene...might think it’s easy to come up with a workable DNA sequence to encode your peptide of interest and produce...alternative tRNAs Codon optimization With low cost DNA synthesis, one of the primary ways researchers solve...researchers have created codon optimization algorithms and DNA synthesis companies such as IDT and GenScript host...

...components: the DNA repair protein rXRCC1, or the DNA binding and lyase domain of DNA polymerase β (PB...without breaking the DNA backbone, making them efficient and precise tools for altering DNA sequences. These...structure. In order to bind DNA, Cas9 requires (1) a guide RNA, (2) a complementary DNA sequence, and (3) a protospacer-adjacent...used by Cas9 to locate a matching DNA sequence.   Target strand The DNA strand that base pairs with the...non-target strand of DNA for Cas9 to bind.   R-loop The structure formed by Cas9 binding to DNA and separating...(AP) site. UNG / UDG Uracil DNA N-Glycosylase Removes uracil from DNA, creating an abasic site. UGI...single-stranded DNA (ssDNA) region, using enzymes fused to Cas9 to alter the exposed ssDNA bases. Thus, ...

...expression plasmids were DNA sequenced to determine the VH and VL sequence. These plasmids have been deposited...important collection.  Creating the Plasmids To begin constructing the plasmids for expression of mAbs, the Trimmer...scientific community with the plasmid sequences available from each plasmid webpage. Importantly, the methods...Resources on the Addgene blog:  Plasmid-Based Recombinant Antibodies  Plasmids 101: Secondary Nanobody Toolbox...NABOR are recombinant antibodies expressed from plasmids that have been deposited with Addgene. Here, we... first antibodies distributed by Addgene.  The plasmids used to generate these antibodies were based off... to create an amplicon that  was cloned into a plasmid backbone for expression of the mAb heavy and light...

...amplify the template plasmid. The parental, nonmutated DNA is digested with methylated DNA-specific enzyme ...recommended for plasmids up to 25 kb, most cloners should be fine, especially using plasmids in the 10-12...Other Plasmid Cloning Techniques like SLIC and Golden Gate Cloning Learn How to Verify Your Plasmid Read...Reference Pages Choose Your Perfect Plasmid Backbone Find Plasmids for Your Research ...made genomic SDM relatively straightforward, but plasmid-based SDM has lagged behind. While commercial kits... REPLACR (Recombineering of Ends of Linearized Plasmids After PCR). Current site directed mutagenesis...of background colonies carrying the unmodified plasmid. For insertions, it’s possible to use the same ...

....org Find plant plasmids Visit our plant resource page Deposit arabidopsis plasmids with Addgene ...pathogenic species that stably integrates transfer DNA (tDNA) into the genomes of the plants it attacks Growing...this method include: Cloning and transforming a plasmid into the bacterium Agrobacterium tumeficans - a...available (Weigel and Glazebrook, 2002). Find plant plasmid resources at Addgene  Choosing an expression system...options, but here are a couple of my favorites. Plasmids from the Tsuyoshi Nakagawa lab are binary gateway...prefer Golden Gate assembly, there are a series of plasmids from the Dinneny lab that additionally allow for...culture you are growing definitely contains your plasmid. Grow lots of Agrobacterium: The more agrobacterium...

...biology as the engineering of biology at the level of DNA using modular, standardized, disciplined, and open...research as can already be seen with things like DNA synthesis, Golden Gate cloning, and CRISPR. The yeast...Synthetic Biology Education Nonprofit BioBuilder Plasmids 101: Golden Gate Cloning Learn About Working at...Michael Koeris Resources at Addgene.org Find Plasmids from the Ellis Lab Find Synthetic Biology Kits...

...highlight a subset of the new plasmids in the repository through our hot plasmids articles. These articles ...recent plasmid deposits and we hope they'll make it easier for you to find and use the plasmids you need... recent plasmid deposit please sign up here.          Listen to this episode of Hot Plasmids! Optogenetic...Agrobacterium-mediated DNA transfer, each GOI is usually expressed from a different plasmid, which may lead ...Grefen and Blatt, 2012). The 2in1 Plasmid Toolkit consists of 4 plasmid toolkits generated with 4 different...deposited the resulting optogenetic plasmid tools which includes plasmids encoding a fusion between cPYP and...CRISPR complexes were observed binding telomeric DNA. What’s great about CASANOVA? It works with the S...

...lentiviral plasmids Addgene's most popular retroviral plasmids Addgene's collection of AAV plasmids Addgene...split across several plasmids (often three), for safety purposes. The primary plasmid with the delivered...often a gene) is called the transfer plasmid while the other plasmids with packaging or replication components...of adenovirus plasmids Resources on the Addgene blog Parts of the AAV packaging plasmid Overview of Lentiviral...This is often cDNA, shRNA, or something similar, and is contained on the transfer plasmid. If expression...will all be ssDNA within the viral particle. The ITRs base pair with each other to allow DNA synthesis ... the dsDNA virus. Viral packaging and entry Adenovirus is quite large and has more helper plasmid components...

... Fonfara I, Hauer M, Doudna JA, Charpentier E. A Programmable Dual-RNA–Guided DNA Endonuclease in Adaptive...genes by generating insertions or deletions in the DNA sequence. This same approach is effective to target...because very small deletions and insertions in the DNA sequence can completely disrupt expression of the... gRNAs can be used to target specific sizes of a DNA fragment and turn off the function by removing the...affect nearby genes (Figure 1A-C). Find CRISPR plasmids at Addgene! Knock-in: Introducing tags or stop... Once Cas9 generates double-strand breaks, a new DNA sequence can be knocked-in, or introduced, into the...ncRNA expression without permanently altering the DNA, CRISPR interference (CRISPRi) and CRISPR activation...

...thermophilus to predatory phages to test if the exogenous DNA would be incorporated into the bacterial genome. ...specifically, specialized Cas proteins snip the foreign DNA into small fragments approximately 30bp in length...Once the CRISPR/Cas complex binds to the foreign DNA, a cut is made to destroy the invader. Wikipedia... in the field, and enabling access to multiple plasmids used for various platform applications. For more... out Addgene’s CRISPR Guide or find CRISPR/Cas plasmids for your research. Do you have a cool idea or ...

...Designing the donor plasmid Figure 2: Donor plasmid design strategy. A donor plasmid contains 1 kb homology...methodology is the use of a donor plasmid that contains long stretches of DNA on either side of the fluorescent...1kb of homologous DNA flanking both sides (about 2.7kb total)—is inserted into a plasmid backbone for delivery...found within the homology areas of the plasmid to prevent the plasmid from being cut and destroyed by CRISPR... the tag. Created with BioRender.com. Plasmids, plasmids everywhere To find out more about gene edited...expensive for many labs. We’ve created and tested plasmids that use CRISPR/Cas9 to endogenously tag a wide...wide variety of genes with GFP. These plasmids are available through Addgene, and the stem cell lines we...

... that could cut RNA or DNA via a CRISPR mechanism. The weird black pellet's DNA yielded a new CRISPR effector...say the sample had their attention! They isolated DNA from the sample, amplified the CRISPR locus from ...discovery The first generation of CRISPR could cut DNA, the second generation could do base editing, and...PASTE, which can “drag and drop” kilobases’ worth of DNA with CRISPR-driven precision into a genome, can be...integrase would then integrate into with a large DNA insert – or Programmable Addition via Site-specific...take a genetic sequence and integrate it into any DNA sequence containing the 38-50 bp sequence recognized...Use PASTE can be delivered via a single dose of plasmids, works in non-dividing and primary cells, and ...

...of the second plasmid can be done in one day in one assembly reaction. This second plasmid saves you a ...alerts when plasmids become available.  We’ve also had some requests for variations on the plasmids we’ve developed...and Myers for speaking with us! Find the Plasmids: Plasmids for protein tagging with CRISPR Additional...goal for years as members of the ENCyclopedia of DNA Elements Project (ENCODE), an NIH-funded effort to... available at Addgene. For more details on the plasmids that are currently available along with detailed...system, what we are doing is adding in a second plasmid to target an epitope tag onto the transcription...second vector is a homology directed repair donor plasmid with homology arms and a selection marker. If things...

...deposits with more than 10 plasmids is to use our deposit spreadsheet?  Our plasmid deposit process can be... Send plasmid information to Addgene Material Transfer Agreement (MTA) approval  Send plasmids to Addgene...instructions on how to send liquid DNA or bacterial streaks of your plasmids back to us. Our scientists will...spreadsheet and copy and paste your plasmid data directly into our file, one plasmid per row, as outlined by the... Data Field Description Plasmid Name Use a descriptive plasmid name and match the name as it ...application of the plasmid and will help a scientist outside your field understand if this plasmid will work for...possible, we propagate plasmids in the standard cloning strain DH5α. For plasmids with highly repetitive...

...highlight a subset of the new plasmids in the repository through our hot plasmids articles. These articles ...recent plasmid deposits and we hope they'll make it easier for you to find and use the plasmids you need...need. If you'd ever like to write about a recent plasmid deposit please sign up here.        A retroviral...transducing a only a single gRNA per cell. The viral DNA containing the gRNA then integrates into the genome...identified by next-generation sequencing of the genomic DNA. However, some cell types are poorly transduced by...treatment of cardiovascular disease. Find the LipoGlo plasmids at Addgene! Lawler et al, QJM: An International...promoter systems. Find these CRISPR activation plasmids at Addgene. Liu et al., Nature Communications,...

...connectors, cDNAs, and more to find the perfect combination. The EcoFlex Kit has a wide array of DNA parts ...Modular cloning is a popular DNA assembly tool used to build single- and multi-gene constructs for a ...background MoClo is a clever way to assemble several DNA parts in a specific orientation using Type IIS restriction...between CRISPR components expressed from different plasmid backbones. They noted that backbone differences... as the order, or distance in the placement of plasmid elements can impact expression levels and consequently...system was used to assess how different lentiviral plasmid backbone elements impact viral titer and to compare...plants, and animals (Chiasson et al., 2019). Many plasmid elements such as promoters or fluorophores are ...

...highlight a subset of the new plasmids in the repository through our hot plasmids articles. These articles ...recent plasmid deposits and we hope they'll make it easier for you to find and use the plasmids you need... our hot plasmid articles from April 2018. If you'd ever like to write about a recent plasmid deposit ...sign up here. No time to read? Listen to our Hot Plasmids Podcast! TRIM-Away: Targeted endogenous protein...segment CRISPR and RNAi have helped researchers alter DNA sequence and RNA expression - but what if you just...your protein knockdown experiments! The TRIM-Away plasmids can be found here. Clift et al. Cell. 2017. PubMed...Endosomal pH Sensors podcast segment The first Addgene plasmid deposit from Professor Stefan Hell, who won the...

...Unpublished or pre-publication plasmids": Unpublished plasmids or plasmids that will not be published are...and entering a plasmid name,plasmid type, and plasmid description/experimental purpose (right). On the...with your plasmids, and adding all the plasmids at once increases the likelihood that the plasmids are given...liquid DNA with all of the plasmids in the library in a single tube. The number of unique plasmids in a ...easy for you to share plasmids. To achieve this goal, we will archive any plasmids you've deposited with...Spreadsheet". Start your plasmid deposit There are two options to begin your plasmid deposit. Figure 2: Choose... Choose to submit plasmid(s) online or by using a spreadsheet. The plasmid information can be entered ...

...letter of a plasmid name and simply denotes that the object is a ‘plasmid’. “p” is for plasmid. pXXXXX-XXXX...insert in your plasmid name. This is often a 3-6 letter representation of the gene (or DNA sequence). pBACKBONE-hGene...information about plasmid features and tips you can use in the lab, check out more posts in our Plasmids 101 series...There are no universal rules for naming plasmids but here are some good guidelines to follow in order...people can quickly and easily identify what your plasmid contains and other important information. Tip:...Backbone name Include the empty backbone name in your plasmid name. This simple piece of information can often...important details. Once you know the backbone a plasmid is based on, you can usually derive: a) the bacterial...

...can use PCR to make small sequence changes to plasmid DNA. This an oldie but a goodie, and in my personal...that describe methods to make single base edits in DNA. The first, contributed by guest blogger Kristian...experience, is a quick way to generate many mutated plasmid constructs. The second post was contributed by ...

...subset of the new plasmids and viral preps in the repository through our hot plasmids articles. These articles...recent plasmid deposits and we hope they'll make it easier for you to find and use the plasmids you need...highlights from recent CRISPR plasmids. To find all of the CRISPR plasmids available from Addgene, head...AAV-deliverable ABE.  Find the plasmid here Jesse Zalatan’s lab deposited plasmids for a chemically inducible...need. If you'd ever like to write about a recent plasmid deposit please sign up here.  Here's what you'll...mGold, a new yellow fluorescent protein New CRISPR plasmids New items from the viral service A fast blue-light...recognize, cut, and alter specific target sequences in DNA resulting in a variety of outcomes including excision...

...- that is, since you’re looking at the amount of DNA in your sample relative to your normal control - ...dye that works by binding to all double-stranded DNA, while Taqman uses an intercalating dye, with a fluorescent...The fluorescent signal can be affected by AT-rich DNA and the length of the amplicon and it has a higher...In both applications, results can be affected by DNA quality and primer design, particularly for amplicons...statistics), and the readout gives an absolute value of DNA concentration. By comparing the number of positive... number using SYBR Green: confounding by AT-rich DNA and by variation in amplicon length. Am J Trop Med... RJ, Paterson ES, Smith ML. The copy-number of plasmids and other genetic elements can be determined by...