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Sequencing Services - FAQs

How much input DNA is required?
5ug of double stranded DNA.
What quality of DNA is required?
Provide the DNA at a concentration > 300ng/ul and A260/280 ratio of approximately 1.8. Providing an image of DNA sample(s) run on a 2% agarose gel is requested to assess quality of incoming DNA.
What coverage is needed?
De novo sequencing requires 20X average genome coverage. Resequencing and mapping project require 15X average coverage.
How long do projects take?
Length of a project depends on number of samples, genome size and data analysis requirements. Typical bacterial projects are normally completed within a month of receipt of sample.
Has anyone done a project like mine before?
Browse through a selected list of projects completed at 454 in the Services section. Fill out a Request for Service form to talk to one of our account managers for more detail.
How should samples be shipped?
Click here for sample submission guidelines (.pdf)
What should the DNA be resuspended in?
H2O or 1XTE is preferred.
How much input DNA is required? And volume?
5ug of double stranded DNA, no less than 10 ul.
What If my DNA is 500 bp long or less, how much do you really need?
At that point there is no nebulization. 2 ug is enough, no less than 10 ul in volume.

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