5 results match your criteria: "Cold Spring Harbor Laboratory DNA Learning Center[Affiliation]"

DNA Subway makes bioinformatic analysis of DNA barcodes classroom friendly, eliminating the need for software installations or command line tools. Subway bundles research-grade bioinformatics software into workflows with an easy-to-use interface. This chapter covers DNA Subway's DNA barcoding analysis workflow (Blue Line) starting with one or more Sanger sequence reads.

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This rapid, equipment-free DNA isolation procedure using chromatography paper is a simple method that can be performed in less than 30 min and requires no wet lab experience. With minimal expense, it offers an affordable alternative for anyone wanting to explore biodiversity. It also provides an excellent option for use in classrooms or other activities that are time limited.

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Article Synopsis
  • DNA barcoding uses molecular techniques like DNA extraction, PCR, and Sanger sequencing to identify biological samples.
  • Although it's a valuable tool for hands-on learning in classes, extracting DNA affordably and efficiently from various sample types can be difficult.
  • The text presents two methods that novice students can use to effectively extract DNA from a range of organisms for barcoding purposes.
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Chelex-based DNA extractions are well suited for student DNA barcoding research because they are simple, safe, and inexpensive and can be performed without specialized laboratory equipment, allowing them to be performed in classrooms or at home. Extracted DNA is stable in Chelex solution for at least a week at ambient temperature, allowing collection of DNA samples from remote students. These extractions provide quality DNA for many taxa and are optimal for barcoding invertebrates, especially in combination with novel cytochrome c oxidase I (COI) primer cocktails and PCR cycling conditions.

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Contrasting mitochondrial diversity of European starlings () across three invasive continental distributions.

Ecol Evol

September 2020

Educational Laboratory for Comparative Genomics and Human Origins American Museum of Natural History New York NY USA.

European starlings () represent one of the most widespread and problematic avian invasive species in the world. Understanding their unique population history and current population dynamics can contribute to conservation efforts and clarify evolutionary processes over short timescales. European starlings were introduced to Central Park, New York in 1890, and from a founding group of about 100 birds, they have expanded across North America with a current population of approximately 200 million.

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