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Considerations and consequences of allowing DNA sequence data as types of fungal taxa

Title data

Zamora, Juan C. ; Svensson, Måns ; De Kesel, Andre ; Rambold, Gerhard ; Ekman, Stefan:
Considerations and consequences of allowing DNA sequence data as types of fungal taxa.
In: IMA Fungus. Vol. 9 (2018) Issue 1 . - pp. 167-175.
ISSN 2210-6359
DOI: https://doi.org/10.5598/imafungus.2018.09.01.10

Abstract in another language

Nomenclatural type definitions are one of the most important concepts in biological nomenclature. Being physical objects that can be re-studied by other researchers, types permanently link taxonomy (an artificial agreement to classify biological diversity) with nomenclature (an artificial agreement to name biological diversity). Two proposals to amend the International Code of Nomenclature for algae, fungi, and plants (ICN), allowing DNA sequences alone (of any region and extent) to serve as types of taxon names for voucherless fungi (mainly putative taxa from environmental DNA sequences), have been submitted to be voted on at the 11th International Mycological Congress (Puerto Rico, July 2018). We consider various genetic processes affecting the distribution of alleles among taxa and find that alleles may not consistently and uniquely represent the species within which they are contained. Should the proposals be accepted, the meaning of nomenclatural types would change in a fundamental way from physical objects as sources of data to the data themselves. Such changes are conducive to irreproducible science, the potential typification on artefactual data, and massive creation of names with low information content, ultimately causing nomenclatural instability and unnecessary work for future researchers that would stall future explorations of fungal diversity. We conclude that the acceptance of DNA sequences alone as types of names of taxa, under the terms used in the current proposals, is unnecessary and would not solve the problem of naming putative taxa known only from DNA sequences in a scientifically defensible way. As an alternative, we highlight the use of formulas for naming putative taxa (candidate taxa) that do not require any modification of the ICN.

Further data

Item Type: Article in a journal
Refereed: Yes
Additional notes: BAYCEER147027
Weitere Autoren sind unter oben stehendem Link zu finden.
Institutions of the University: Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Biology > Professorship Mycology
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Biology > Professorship Mycology > Professorship Mycology - Univ.-Prof. Dr. Gerhard Rambold
Research Institutions
Research Institutions > Research Centres
Research Institutions > Research Centres > Bayreuth Center of Ecology and Environmental Research- BayCEER
Faculties
Faculties > Faculty of Biology, Chemistry and Earth Sciences
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Biology
Result of work at the UBT: Yes
DDC Subjects: 500 Science
Date Deposited: 08 Apr 2019 08:30
Last Modified: 25 Sep 2019 10:04
URI: https://eref.uni-bayreuth.de/id/eprint/48286