ORCID Profile
0000-0002-8286-1597
Current Organisations
Ruhr University Bochum
,
Eberhard Karls Universität Tübingen
,
Ruhr-Universität Bochum
,
Universität Hamburg
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Publications
The evolution of species concepts and species recognition criteria in plant pathogenic fungi
Publisher: Springer Science and Business Media LLC
Date: 08-08-2011
The Amsterdam Declaration on Fungal Nomenclature
Publisher: Springer Science and Business Media LLC
Date: 06-2011
Nuclear ribosomal internal transcribed spacer (ITS) region as a universal DNA barcode marker for Fungi
Publisher: Proceedings of the National Academy of Sciences
Date: 27-03-2012
Abstract: Six DNA regions were evaluated as potential DNA barcodes for Fungi , the second largest kingdom of eukaryotic life, by a multinational, multilaboratory consortium. The region of the mitochondrial cytochrome c oxidase subunit 1 used as the animal barcode was excluded as a potential marker, because it is difficult to lify in fungi, often includes large introns, and can be insufficiently variable. Three subunits from the nuclear ribosomal RNA cistron were compared together with regions of three representative protein-coding genes (largest subunit of RNA polymerase II, second largest subunit of RNA polymerase II, and minichromosome maintenance protein). Although the protein-coding gene regions often had a higher percent of correct identification compared with ribosomal markers, low PCR lification and sequencing success eliminated them as candidates for a universal fungal barcode. Among the regions of the ribosomal cistron, the internal transcribed spacer (ITS) region has the highest probability of successful identification for the broadest range of fungi, with the most clearly defined barcode gap between inter- and intraspecific variation. The nuclear ribosomal large subunit, a popular phylogenetic marker in certain groups, had superior species resolution in some taxonomic groups, such as the early erging lineages and the ascomycete yeasts, but was otherwise slightly inferior to the ITS. The nuclear ribosomal small subunit has poor species-level resolution in fungi. ITS will be formally proposed for adoption as the primary fungal barcode marker to the Consortium for the Barcode of Life, with the possibility that supplementary barcodes may be developed for particular narrowly circumscribed taxonomic groups.
Mycosarcoma (Ustilaginaceae), a resurrected generic name for corn smut (Ustilago maydis) and its close relatives with hypertrophied, tubular sori
Publisher: Springer Science and Business Media LLC
Date: 21-10-2021
One fungus, which genes? Development and assessment of universal primers for potential secondary fungal DNA barcodes
Publisher: Naturalis Biodiversity Center
Date: 23-12-2015
Etiolated Seedling Development Requires Repression of Photomorphogenesis by a Small Cell-Wall-Derived Dark Signal
Publisher: Elsevier BV
Date: 11-2017
DOI: 10.1016/J.CUB.2017.09.063
Abstract: Etiolated growth in darkness or the irreversible transition to photomorphogenesis in the light engages alternative developmental programs operating across all organs of a plant seedling. Dark-grown Arabidopsis de-etiolated by zinc (dez) mutants exhibit morphological, cellular, metabolic, and transcriptional characteristics of light-grown seedlings. We identify the causal mutation in TRICHOME BIREFRINGENCE encoding a putative acyl transferase. Pectin acetylation is decreased in dez, as previously found in the reduced wall acetylation2-3 mutant, shown here to phenocopy dez. Moreover, pectin of dez is excessively methylesterified. The addition of very short fragments of homogalacturonan, tri-galacturonate, and tetra-galacturonate, restores skotomorphogenesis in dark-grown dez and similar mutants, suggesting that the mutants are unable to generate these de-methylesterified pectin fragments. In combination with genetic data, we propose a model of spatiotemporally separated photoreceptive and signal-responsive cell types, which contain overlapping subsets of the regulatory network of light-dependent seedling development and communicate via a pectin-derived dark signal.
Related Organisations
Related Funding Activities
No related grants have been discovered for Dominik Begerow.