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Spinal tap -- using cactus spines to isolate DNA
Date:3/5/2013

atic if you are working with living collections or endangered species. Not only is it much easier to clip a spine, it is also more aesthetic and less harmful," comments Fehlberg.

As the cost of DNA sequencing has dramatically decreased, its use has grown exponentially. Because it allows the comparison of individuals within and between populations, DNA sequencing has played an important role in understanding genetic diversity. "For example, in the plant species I'm studying, the species boundaries are not clear," says Fehlberg. "Genetics is important for determining what can be considered a cohesive group. "

Knowledge of genetic variation among populations will provide insight to the persistence of a species and inform conservation efforts. Fehlberg notes, "Genetics is helpful in determining how similar populations are to one another and how connected they are. We're able to use both genetics and biological information to determine which populations are most unique and which are most threatened."


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Contact: Beth Parada
apps@botany.org
American Journal of Botany
Source:Eurekalert

Page: 1 2

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