DNA条形码
条形码
生物
鉴定(生物学)
生命之树(生物学)
有机体
计算生物学
进化生物学
计算机科学
树(集合论)
DNA测序
DNA
分类单元
生态学
系统发育学
遗传学
基因
数学分析
数学
操作系统
作者
W. John Kress,David L. Erickson
出处
期刊:Methods in molecular biology
日期:2012-01-01
卷期号:: 3-8
被引量:80
标识
DOI:10.1007/978-1-61779-591-6_1
摘要
DNA barcoding, a new method for the quick identification of any species based on extracting a DNA sequence from a tiny tissue sample of any organism, is now being applied to taxa across the tree of life. As a research tool for taxonomists, DNA barcoding assists in identification by expanding the ability to diagnose species by including all life history stages of an organism. As a biodiversity discovery tool, DNA barcoding helps to flag species that are potentially new to science. As a biological tool, DNA barcoding is being used to address fundamental ecological and evolutionary questions, such as how species in plant communities are assembled. The process of DNA barcoding entails two basic steps: (1) building the DNA barcode library of known species and (2) matching the barcode sequence of the unknown sample against the barcode library for identification. Although DNA barcoding as a methodology has been in use for less than a decade, it has grown exponentially in terms of the number of sequences generated as barcodes as well as its applications. This volume provides the latest information on generating, applying, and analyzing DNA barcodes across the Tree of Life from animals and fungi to protists, algae, and plants.
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