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Next Generation Sequencing
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Sanger Sequencing
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Sanger-EZ NEWAAV-ITR Sanger SequencingPurified TemplatesDifficult Template SequencingDirect Colony SequencingPCR PurificationPrimer Walking
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PCR + Sanger Services
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DNA & RNA Synthesis
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Oligo Synthesis Services
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Sanger sequencing FAQs
Customer Accounts | DNA Sequencing Sample Submission & Primer | DNA Sequencing Results | Troubleshooting | Regulatory DNA Sequencing Services | Sanger-EZ | Low Concentration Plasmid
CUSTOMER ACCOUNTS
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On our homepage you will see a "Register" link to set up a new account in the upper right-hand corner. Clicking on this link will allow you to set up your login name (your e-mail address) and password. This process takes only a few minutes; then you will receive an account activation e-mail. Simply click on the link in this e-mail to activate your account. You can now login to your account using your e-mail address and the password you just created. You are ready to submit your first order.A:
We encourage you to try Azenta services. As a new customer we offer a free trial coupon to try our Sanger sequencing services. All you have to do is print out the coupon, enter the code in the comments section of your first order, and send the coupon in with your samples. If you have any questions, feel free to send an email to dnaseq@genewiz.com or call our toll free number. A member of our Technical Support team will be happy to guide you through the ordering process.A:
For DNA sequencing, price display during the order submission process is available for some accounts. If this is a feature you are interested in activating, just contact your Azenta Sales Executive to find out if it is available for your institution. You can also contact your Sales Executive for a quotation. One more option is to contact Azenta after you have submitted your order, to obtain the price for that specific order.
If this is the first time you are placing an order with Azenta, please note that Azenta’s list price may be displayed for your account. Institution-specific pricing will be available once your account is appropriately linked to your institution. If you have any questions about the price of your order, please contact DNAseq@Azenta.com or your Sales Executive.
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Absolutely. We welcome customers from all over the world. When you set up a new online account, you will be asked for your state. Living outside the USA, choose “other” from the drop down menu. Please provide the correct city and postal code. All of the other fields are filled out as designated. When you set up a new online account, simply select your country from the available options. If you have any questions or encounter any problems, please contact our Technical Support team.A:
Azenta is an operational excellence company with a customer-driven strategy. We have become the leader in DNA sequencing and molecular biology services, including gene synthesis, by providing the best combination of value - fast turnaround, specialized expertise, competitive prices, and friendly customer support. We continuously innovate to produce the best results with the greatest convenience for our customers.DNA SEQUENCING SAMPLE SUBMISSION & PRIMER
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Choose "Pre-Mixed" if you have adjusted your sample concentration following our guidelines and have already added your own sequencing primers.
Choose "Pre-Defined" if you have adjusted your sample concentration following our guidelines but are supplying your primer in a separate tube for Azenta to add (small additional charge may apply) or are requesting one of Azenta’s free universal primers.
Choose "Custom" if you want Azenta to adjust your sample concentration and add your primers (additional charge may apply).
Choose “Custom” if you are requesting sequencing from bacterial colonies, glycerol stock, or phage; as well as if you are submitting un-purified PCR templates.
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While the majority of reactions sequence well, you should avoid several situations that can create unfavorable results. Here are guidelines to help you optimize sequencing results: 1.) Closely follow the DNA Sequencing Sample Submission Guidelines. A sub-optimal DNA-to-primer ratio is often the culprit for poor quality results.
2.) Make sure that your primer can adequately bind to your template. Insufficient primer binding can lead to disappointing results. Sequencing primers should be about 18-24 bases in length with a Tm of 56-60 degrees. The GC content should be about 45-55%, which is generally needed in order to get an 18-24 base primer in the Tm of 56-60.
3.) Avoid inhibiting contaminants. Salts, EDTA, alcohol, protein, RNA, detergents, cesium and phenol are some of the most common contaminants that can cause poor quality or failed reactions.
4.) Be sure to choose the correct protocol. Some templates (hairpins, GC-rich, etc.) benefit from a special protocol to ensure a good sequencing reaction. We offer alternative protocols at an additional cost that are highly effective in sequencing through difficult regions. These protocols can be requested from the “Special Requests” drop down menu on your online submission form.
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We sequence from plasmid, PCR product, clones from bacteria (colonies or glycerol stock),phage supernatant and BAC DNA.A:
Please closely follow the DNA Sequencing Sample Submission Guidelines.A:
We recommend that you check your DNA concentration and associated 260/280 and 260/230 ratios with a spectrophotometer such as a NanoDrop. You can also estimate your DNA concentration on an agarose gel by loading a small amount of DNA and running it with a marker of known concentration.A:
Yes, you can just cut off the unused tubes and use them for your next submission, or send the entire 8-strip with labels on just the tubes containing your samples.A:
We highly recommend that you sequence PCR products that are no shorter than 200 bp (500 bp or more is ideal).A:
We provide these free universal primers. If you are uncertain which of our universal primers bind to your construct, check out our universal primer selection tool. Simply copy and paste your FASTA sequence into the box, and the tool will display which primers will bind to your template. You can find the universal primer selection tool in the homepage of your www.genewiz.com account.
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Yes, Azenta has proprietary protocols that have proven successful in sequencing templates with high GC content, as well as templates with other prohibitive secondary structures such as hairpins. When filling out sequencing instructions, select one of our proprietary protocols listed in the "Special Protocol" column. Additional charges apply.A:
View our Sample Storage Policy for more details.
- Plasmids and PCR (purified and unpurified) samples are stored for 5 business days (1 calendar week) from date of receipt. Primers received along with the plasmids and PCR samples are stored for the same duration.
- Bacterial colonies, glycerol stocks, and phage are stored for 10 business days (2 calendar weeks) from date of receipt. Primers received along with these samples are stored for the same duration.
- Oligo Retain for Sanger (oligos synthesized by Azenta) are stored for 1 year from date of synthesis.
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If you are uncertain which of our universal primers bind to your construct, check out our universal primer selection tool. Simply copy and paste your FASTA sequence into the box, and the tool will display which primers will bind to your template. You can find the universal primer selection tool in the homepage of your account.A:
Submit your unpurified PCR products with your primer(s) in separate, well-labeled tubes. Also include a gel image and the amount loaded on the gel. Be sure to select “Custom” as your service type and choose “PCR clean up” from the Special Request column when submitting your order. We will perform the clean-up and then optimize the sequencing reaction based on your gel image.A:
Feel free to use any brand of PCR plates and caps. Be sure to load your plates in the column or vertical direction. Here are a few suggestions of plate/cap combinations that work well for a tight seal: Nunc (through Fisher): 96-Well PCR Plates- 12-565-536, 12-566-133, or 12-566-134, Caps- 12-565-810 or 12-575-123
Nunc (through VWR): 96-Well PCR Plates- 73520-694, 83009-280, or 73520-696, Caps - 73521-364 or 73521-066
USA scientific- Plates- 1402-9400, 1402-9600, 1402-9700 with caps- 1400-0800 or 1400-3800
ABI- Plates 4306737, Caps 4323032
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Label your tube on the SIDE with the tube ID generated from your online order form. The tube ID is made up of your initials and the tube number. See figure below (If GENEWIZ was submitting samples, the tube ID would be GW01-GW08-as labeled below). If Jane Doe was submitting samples, the tube ID would be JD01 – JD08.
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We recommend designing your sequencing primers in a region that is 100 bases upstream of your sequence of interest. If you do not have the luxury of having this buffer, the closest you want the primer to be to your area of interest is 50-60 bases. Anything closer and you risk missing a portion of your area of interest. The primers should be about 18-24 bases in length with a Tm of 56-60 degrees. The GC content should be about 45-55%. Many vendors that provide oligo synthesis services have software into which you can plug your primer sequence to check for Tm, GC content and homodimerization. For the oligo purity, desalting is all that is needed for sequencing.
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Please place an “Oligo Retain for Sanger” order; in turn, we will store your primer for up to 1 year or until the primer is depleted. We are not able to accommodate the storage of primers submitted by customers as we cannot confirm the concentration, quality and sequence of the primers. A:
Primer design is included in our primer walking service. Our primer walking team offers a full service solution for your Sanger sequencing needs, including primer design, Sanger DNA sequencing, data analysis and alignment, and report generation. Please contact our primer walking team directly via primerwalking@Azenta.com to discuss your next project.DNA SEQUENCING RESULTS
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If you requested Same Day service, you will have your results the same day your samples arrive at GENEWIZ (when samples are received by 10 AM). If you requested Standard Service, you will have your results by noon the next business day following sample receipt at Azenta. Note that customers using our San Diego, Boston, North Carolina, San Francisco, Seattle, and Maryland Labs enjoy Faster Local Service. Please contact us for details and eligibility. We always send an e-mail notification when your results are available. Feel free to login to your account at any time to check the status of your order.A:
From the “Recent Results” section of your account, you have access to the page where you can download your data (both the .seq and .ab1 files). The .seq file is a text file and can be opened with any program that can view text files (Wordpad, Notepad, etc.) If you are having difficulty opening these files, you can change the file extension from .seq to .txt as a last resort to view it.
The .ab1 file is your chromatogram, and requires chromatogram viewing software to view these files. Please visit https://www.genewiz.com/Public/Resources/Tools-for-Viewing-Sequencing-Data (or click on the “Tools for Viewing Sequencing Data” link on the menu) for a number of free software programs that are available for viewing trace or chromatogram files.
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We strongly recommend that you download all of your results and back them up on your laboratory computer. Our current policy is to store your results for 2 years. After 2 years, the data will no longer be available for retrieval. This policy is subject to change at any time, but changes, if any, will be clearly communicated.TROUBLESHOOTING
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If you are experiencing any difficulties with your order we are always happy to assist your troubleshooting efforts; PhD-level troubleshooting assistance is free of charge. Please call Technical Support at Azenta or email us at dnaseq@Azenta.com for assistance.A:
When the polymerase encounters a homopolymeric region such as poly A or poly T in the sequence, it often results in subsequent non-specific or poor quality sequence due to slippage of the enzyme. When this happens, we generally recommend sequencing from the opposite direction to obtain the missing sequence data.A:
A longer primer has a higher Tm, which will not anneal to your DNA template properly during the sequencing reaction and would generate unsatisfying results. We recommend that you use our Universal Primers or design your own primers that are about 18-24 bases in length with a Tm of 56-60 degrees.A:
While degraded primer could be the culprit, another possibility is that your PCR primers are good for PCR reactions but not suitable for sequencing reactions. For sequencing primers, we recommend that they are about 18-24 bases in length with a Tm of 56-60 degrees. Longer PCR primers usually do not generate good results for sequencing reactions. Also, not all PCR primers work well as sequencing primers. If your PCR primer is not generating good sequencing results, we recommend that you design a nested primer to use as your sequencing primer.
REGULATORY DNA SEQUENCING SERVICES
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Azenta’s Quality System is developed in accordance with applicable FDA GLP regulations described in Title 21, Part 58 of the Code of Federal Regulations and EPA GLP regulations described in Title 40, Part 160 of the Code of Federal Regulations. We offer GLP services including GLP DNA sequencing and GLP level molecular biology projects. For more details, please contact us at 877- 436-3949 or Regulatory@Azenta.com.SANGER-EZ
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Sanger-EZ is a prepaid, Pre-Mixed service that combines the convenience and sample security of barcoded tubes and the quality of automated Sanger sequencing. With Sanger-EZ, you’ll enjoy the highest level of ease as subsequent Sanger reactions do not require online orders. After you receive your Sanger-EZ tubes from GENEWIZ, simply fill them with your DNA + Primer and send them back to us for sequencing! Our system will autogenerate an order in your account referencing the barcode numbers on the tubes as DNA names.
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When our lab receives your Sanger-EZ samples, our system will create a new order (30-xxxxxxxxx) in your GENEWIZ account and will be visible in the “My Orders” section. Results can be viewed here when ready.You will receive an email with a link to view the results when available.
IMPORTANT: The barcode number of the tube will be used as the DNA/Sample Name when viewing the results. Please make sure to record this number prior to submission.
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The Sanger-EZ service is available for purchase within your GENEWIZ customer account. Select the Sanger Sequencing tab on the left and then the bubble labeled “Sanger-EZ”. Sanger-EZ tubes are sold in racks of 96 tubes.A:
Sanger-EZ utilizes our Pre-Mixed service type. Please submit your DNA + primer in the provided Sanger-EZ tube, according to our Sample Submission Guidelines for our Pre-Mixed service.A:
1. Prepare your reactions according to our Sample Submission Guidelines for our Pre-Mixed service.2. Sanger-EZ tubes can be submitted to either a GENEWIZ dropbox or shipped to a GENEWIZ facility. IMPORTANT: if submitting to a “By-Request” GENEWIZ dropbox, a pickup request must be placed to ensure sample pickup by our courier. Pick-up requests are made within your GENEWIZ account under “DROP-OFF AND DELIVERY BOXES”.
3. Ensure to note the barcode number for each reaction. This number will act as the sample name to view results after processing.
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Sanger-EZ is a standard service, you will have your results by noon the next business day following sample receipt at GENEWIZ. Note that customers using our San Diego, Boston, North Carolina, San Francisco, Seattle, and Maryland Labs enjoy faster local service. We always send an e-mail notification when your results are available. Feel free to log in to your account at any time to check the status of your order.A:
Unfortunately, due to the automated workflow of Sanger-EZ, repeats are not available. Please call Technical Support at Azenta or email us at dnaseq@Azenta.com for assistance.A:
Yes, you can share your Sanger-EZ tubes with colleagues within your institution! This can be done from the “My Sanger-EZ” bubble or tab.
Find the Sanger-EZ batch you would like to share and click “Assign”.
Select 1 or more colleagues and follow instructions to share Sanger-EZ tubes.
LOW CONCENTRATION PLASMID
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Only plasmids can be submitted through this service line. It may be useful for samples where the concentration does not meet our submission guidelines or has low copy number plasmids. It can also be useful for samples that have genomic DNA contamination.
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Yes, we will require a primer submitted in a separate tube from the plasmid sample. You are welcome to use a primer stored at GENEWIZ. If submitting your own primer, we will require 5ul of 5uM primer per sample.
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The low-concentration protocol should provide you equivalent results to our standard protocol for samples that require template amplification, with a read length of between 500-1000bp. You can still apply our alternative sequencing protocols through the order form for difficult templates.
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