DNA Taxonomy - the Riddle of Oxychloë (Juncaceae)

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Standard

DNA Taxonomy - the Riddle of Oxychloë (Juncaceae). / Kristiansen, Kim Anker; Cilieborg, Malene Skovsted; Drábková, Lenka; Jørgensen, Tina; Petersen, Gitte; Seberg, Ole.

I: Systematic Botany, Bind 30, Nr. 2, 2005, s. 284-289.

Publikation: Bidrag til tidsskrift › Tidsskriftartikel › Forskning › fagfællebedømt

Harvard

Kristiansen, KA, Cilieborg, MS, Drábková, L, Jørgensen, T, Petersen, G & Seberg, O 2005, 'DNA Taxonomy - the Riddle of Oxychloë (Juncaceae)', Systematic Botany, bind 30, nr. 2, s. 284-289. https://doi.org/10.1600/0363644054223710

APA

Kristiansen, K. A., Cilieborg, M. S., Drábková, L., Jørgensen, T., Petersen, G., & Seberg, O. (2005). DNA Taxonomy - the Riddle of Oxychloë (Juncaceae). Systematic Botany, 30(2), 284-289. https://doi.org/10.1600/0363644054223710

Vancouver

Kristiansen KA, Cilieborg MS, Drábková L, Jørgensen T, Petersen G, Seberg O. DNA Taxonomy - the Riddle of Oxychloë (Juncaceae). Systematic Botany. 2005;30(2):284-289. https://doi.org/10.1600/0363644054223710

Author

Kristiansen, Kim Anker ; Cilieborg, Malene Skovsted ; Drábková, Lenka ; Jørgensen, Tina ; Petersen, Gitte ; Seberg, Ole. / DNA Taxonomy - the Riddle of Oxychloë (Juncaceae). I: Systematic Botany. 2005 ; Bind 30, Nr. 2. s. 284-289.

Bibtex

@article{5b152a0074c311dbbee902004c4f4f50,
title = "DNA Taxonomy - the Riddle of Oxychlo{\"e} (Juncaceae)",
abstract = "Recently, advocates of DNA taxonomy have complained that there is inadequate control of the taxonomy in databases such as GenBank. This is correct, but the uncertainty may be extended to the sequences themselves. The present study shows that as long as vouchers are available neither problem is fatal, but if no voucher exists, bad sequences and bad taxonomy may be forever linked. Previous phylogenetic analyses of rbcL sequences have indicated that the small, south hemisphere, genus Oxychlo{\"e} (Juncaceae) surprisingly either is embedded within or is a sister group to the Cyperaceae. This is not in accordance with traditional or current morphological data. By studying five new accessions, representing four species of Oxychlo{\"e}, and re-examining the two vouchers of O. andina that were used in previous phylogenies, it has been possible to show that these two sequences are erroneous. One is a chimeric sequence and the other is most likely ''a contaminant.''",
author = "Kristiansen, {Kim Anker} and Cilieborg, {Malene Skovsted} and Lenka Dr{\'a}bkov{\'a} and Tina J{\o}rgensen and Gitte Petersen and Ole Seberg",
year = "2005",
doi = "10.1600/0363644054223710",
language = "English",
volume = "30",
pages = "284--289",
journal = "Systematic Botany",
issn = "0363-6445",
publisher = "American Society of Plant Taxonomists",
number = "2",

}

RIS

TY - JOUR

T1 - DNA Taxonomy - the Riddle of Oxychloë (Juncaceae)

AU - Kristiansen, Kim Anker

AU - Cilieborg, Malene Skovsted

AU - Drábková, Lenka

AU - Jørgensen, Tina

AU - Petersen, Gitte

AU - Seberg, Ole

PY - 2005

Y1 - 2005

N2 - Recently, advocates of DNA taxonomy have complained that there is inadequate control of the taxonomy in databases such as GenBank. This is correct, but the uncertainty may be extended to the sequences themselves. The present study shows that as long as vouchers are available neither problem is fatal, but if no voucher exists, bad sequences and bad taxonomy may be forever linked. Previous phylogenetic analyses of rbcL sequences have indicated that the small, south hemisphere, genus Oxychloë (Juncaceae) surprisingly either is embedded within or is a sister group to the Cyperaceae. This is not in accordance with traditional or current morphological data. By studying five new accessions, representing four species of Oxychloë, and re-examining the two vouchers of O. andina that were used in previous phylogenies, it has been possible to show that these two sequences are erroneous. One is a chimeric sequence and the other is most likely ''a contaminant.''

AB - Recently, advocates of DNA taxonomy have complained that there is inadequate control of the taxonomy in databases such as GenBank. This is correct, but the uncertainty may be extended to the sequences themselves. The present study shows that as long as vouchers are available neither problem is fatal, but if no voucher exists, bad sequences and bad taxonomy may be forever linked. Previous phylogenetic analyses of rbcL sequences have indicated that the small, south hemisphere, genus Oxychloë (Juncaceae) surprisingly either is embedded within or is a sister group to the Cyperaceae. This is not in accordance with traditional or current morphological data. By studying five new accessions, representing four species of Oxychloë, and re-examining the two vouchers of O. andina that were used in previous phylogenies, it has been possible to show that these two sequences are erroneous. One is a chimeric sequence and the other is most likely ''a contaminant.''

U2 - 10.1600/0363644054223710

DO - 10.1600/0363644054223710

M3 - Journal article

VL - 30

SP - 284

EP - 289

JO - Systematic Botany

JF - Systematic Botany

SN - 0363-6445

IS - 2

ER -

ID: 91905