Use of DNA barcodes to identify flowering plants
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Cites background or methods from "Use of DNA barcodes to identify flo..."
...Lastly, Kress et al. (2005) compared the complete chloroplast genomes of Atropa and Nicotiana to find an appropriate region for DNA barcoding in plants....
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...In the Kress et al. (2005), Daniell et al. (2006), and Timme et al. (2007) papers, the authors compiled a list of the most variable (on a percentage basis) noncoding regions of the chloroplast genome....
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...The mostly widely used is to calculate percentage variability as was done by Kress et al. (2005), Daniell et al. (2006), and Timme et al. (2007)....
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...Both Kress et al. (2005) and Rubinoff et al. (2006) suggest that in all likelihood we will need to employ more than one marker in a barcoding effort, and we feel that our work provides the necessary background to make an informed decision as to which cpDNA markers might be candidates for such an…...
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...Kress et al. (2005) suggested that the trnH-psbA intergenic spacer is a useful marker for such an effort —and we agree that this may be about as good a marker as there is in the chloroplast genome for three reasons: (1) the trnH-psbA intergenic spacer is among the most variable (in terms of…...
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1,252 citations
Cites background or methods or result from "Use of DNA barcodes to identify flo..."
...In previous studies, most researchers accepted psbA-trnH as a potential plant barcode [9,15,16,18,19,21,33]....
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...8S, the internal transcribed spacer (ITS) of nuclear ribosomal DNA and regions of the ITS could be potential barcodes [9,14] (Fig....
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...The sequences of the universal primers for the DNA barcode to be tested, including those for psbA-trnH, matK, rbcL, rpoC1, ycf5 and ITS, and general PCR reaction conditions were obtained from previous studies [9,17,18,21]....
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...First, most single-copy genes in the nuclear genome, as well as their introns, have been excluded as barcode candidates because of the lack of universal primers for their amplification [9]....
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...[9] compared 10 loci for authenticating closely related species in 7 plant families and 99 species belonging to 88 genera in 53 families, and they reported that the psbA-trnH spacer and the...
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1,148 citations
Cites background from "Use of DNA barcodes to identify flo..."
...The core principles of barcode analysis (minimalization and standardization of sequence targets) are surely applicable to these organisms, but the selection of gene regions and tests of their effectiveness remain in progress although early results on plants (Kress et al., 2005) and protists (G....
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...…standardization of sequence targets) are surely applicable to these organisms, but the selection of gene regions and tests of their effectiveness remain in progress although early results on plants (Kress et al., 2005) and protists (G.W. Saunders, personal communication) provide cause for optimism....
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1,088 citations
Cites background or methods from "Use of DNA barcodes to identify flo..."
...for flowering plants [8], in this study proved less favorable because of the low primer success across land plants (60....
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...The trnH-psbA spacer was treated according to Kress, Wurdack, Zimmer, Weigt and Janzen [8]....
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...The selection of a barcode locus is, however, complicated by the trade-off that arises between the need for universal application and maximal rates of sequence divergence [8]....
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...For flowering plants the non-coding plastid trnH-psbA intergenic spacer region and the multicopy nuclear Internal Transcribed Spacer (ITS) are two of the leading candidates [8]....
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...DISCUSSION The results suggest that the non-coding trnH-psbA intergenic spacer remains the most viable candidate for a single-locus barcode for land plants [8]....
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