1,721,047 research outputs found
A new Hedysarum L. species (Fabaceae) from Türkiye, Hedysarum dazkiriense
No full textAytaç, Zeki, Ertuğrul, Tuğba, Erst, Andrey, Fişne, Ahter (2022): A new Hedysarum L. species (Fabaceae) from Türkiye, Hedysarum dazkiriense. Phytotaxa 574 (4): 273-281, DOI: 10.11646/phytotaxa.574.4.2, URL: http://dx.doi.org/10.11646/phytotaxa.574.4.
FIGURE 4 in A new Hedysarum L. species (Fabaceae) from Türkiye, Hedysarum dazkiriense
No full textFIGURE 4. Distribution map of H. dazkiriense (★), H. pestalozzae (▲), H. syriacum (●).Published as part of Aytaç, Zeki, Ertuğrul, Tuğba, Erst, Andrey & Fişne, Ahter, 2022, A new Hedysarum L. species (Fabaceae) from Türkiye, Hedysarum dazkiriense, pp. 273-281 in Phytotaxa 574 (4) on page 278, DOI: 10.11646/phytotaxa.574.4.2, http://zenodo.org/record/738899
FIGURE 3 in A new Hedysarum L. species (Fabaceae) from Türkiye, Hedysarum dazkiriense
No full textFIGURE 3. SEM micrographs of pollen grains of Hedysarum dazkiriense. A–B: equatorial view and exine ornamentation; C–D: polar view and exine ornamentation.Published as part of Aytaç, Zeki, Ertuğrul, Tuğba, Erst, Andrey & Fişne, Ahter, 2022, A new Hedysarum L. species (Fabaceae) from Türkiye, Hedysarum dazkiriense, pp. 273-281 in Phytotaxa 574 (4) on page 277, DOI: 10.11646/phytotaxa.574.4.2, http://zenodo.org/record/738899
FIGURE 2. A in A new Hedysarum L. species (Fabaceae) from Türkiye, Hedysarum dazkiriense
No full textFIGURE 2. A—Hedysarum dazkiriense, B—H. pestalozzae, C—H. syriacum.Published as part of Aytaç, Zeki, Ertuğrul, Tuğba, Erst, Andrey & Fişne, Ahter, 2022, A new Hedysarum L. species (Fabaceae) from Türkiye, Hedysarum dazkiriense, pp. 273-281 in Phytotaxa 574 (4) on page 276, DOI: 10.11646/phytotaxa.574.4.2, http://zenodo.org/record/738899
FIGURE 1. Hedysarum dazkiriense, A in A new Hedysarum L. species (Fabaceae) from Türkiye, Hedysarum dazkiriense
No full textFIGURE 1. Hedysarum dazkiriense, A—Habitus, B—flowers, C—type material.Published as part of Aytaç, Zeki, Ertuğrul, Tuğba, Erst, Andrey & Fişne, Ahter, 2022, A new Hedysarum L. species (Fabaceae) from Türkiye, Hedysarum dazkiriense, pp. 273-281 in Phytotaxa 574 (4) on page 275, DOI: 10.11646/phytotaxa.574.4.2, http://zenodo.org/record/738899
Untargeted Metabolomics for Integrative Taxonomy: Metabolomics, DNA Marker-Based Sequencing, and Phenotype Bioimaging
Get PDFIntegrative taxonomy is a fundamental part of biodiversity and combines traditional morphology with additional methods such as DNA sequencing or biochemistry. Here, we aim to establish untargeted metabolomics for use in chemotaxonomy. We used three thallose liverwort species Riccia glauca, R. sorocarpa, and R. warnstorfii (order Marchantiales, Ricciaceae) with Lunularia cruciata (order Marchantiales, Lunulariacea) as an outgroup. Liquid chromatography high-resolution mass-spectrometry (UPLC/ESI-QTOF-MS) with data-dependent acquisition (DDA-MS) were integrated with DNA marker-based sequencing of the trnL-trnF region and high-resolution bioimaging. Our untargeted chemotaxonomy methodology enables us to distinguish taxa based on chemophenetic markers at different levels of complexity: (1) molecules, (2) compound classes, (3) compound superclasses, and (4) molecular descriptors. For the investigated Riccia species, we identified 71 chemophenetic markers at the molecular level, a characteristic composition in 21 compound classes, and 21 molecular descriptors largely indicating electron state, presence of chemical motifs, and hydrogen bonds. Our untargeted approach revealed many chemophenetic markers at different complexity levels that can provide more mechanistic insight into phylogenetic delimitation of species within a clade than genetic-based methods coupled with traditional morphology-based information. However, analytical and bioinformatics analysis methods still need to be better integrated to link the chemophenetic information at multiple scales
FIGURE 1 in First record of Aquilegia grubovii (Ranunculaceae) for Russia and key to all currently known species in the country
No full textFIGURE 1. Photographs of Aquilegia grubovii. A. Habitat and habit. B. Flowers. C. Habitat.Published as part of Erst, Andrey S., Shaulo, Dmitry N., Baasanmunkh, Shukherdorj, Choi, Hyeok Jae, Kaigalov, Igor V., Kulikovskiy, Maxim S., Maltseva, Svetlana Yu., Lian, Lian & Wang, Wei, 2022, First record of Aquilegia grubovii (Ranunculaceae) for Russia and key to all currently known species in the country, pp. 213-219 in Phytotaxa 576 (2) on page 215, DOI: 10.11646/phytotaxa.576.2.7, http://zenodo.org/record/746139
Going Beyond Counting First Authors in Author Co-citation Analysis
Get PDFThe present study examines one of the fundamental aspects of author co-citation analysis (ACA) - the way co-citation
counts are defined. Co-citation counting provides the data on which all subsequent statistical analyses and mappings
are based, and we compare ACA results based on two different types of co-citation counting - the traditional type that
only counts the first one among a cited work's authors on the one hand and a non-traditional type that takes into
account the first 5 authors of a cited work on the other hand. Results indicate that the picture produced through this non-traditional author co-citation counting contains more coherent author groups and is therefore considerably clearer. However, this picture represents fewer specialties in the research field being studied than that produced through the traditional first-author co-citation counting when the same number of top-ranked authors is selected and analyzed. Reasons for these effects are discussed
Variations on the Author
Get PDF“Variations on the Author” discusses two of Eduardo Coutinho’s recent films (Um Dia na Vida, from 2010, and Últimas Conversas, posthumously released in 2015) and their contribution to the general question of documentary authorship. The director’s filmography is characterized by a consistent yet self-effacing form of authorial self-inscription: Coutinho often features as an interviewer that rather than express opinions propels discourses; an interviewer that is good at listening. This mode of self-inscription characterizes him as an author who is not expressive but who is nonetheless markedly present on the screen. In Um Dia na Vida, however, Coutinho is completely absent form the image, while Últimas Conversas, on the contrary, includes a confessional prologue that moves the director from the margins to the center of his films. This article examines the ways in which these works stand out in the filmography of a director who offers new insights into the notion of cinematic authorship
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