Search results for "nomenclature."
showing 10 items of 201 documents
Echinostomes in the definitive host: a model for the study of host-parasite relationships.
2008
Echinostomes are hermaphroditic digeneans that parasitize, as adults, numerous vertebrate hosts of all classes. In this chapter, the main features of the development of adult echinostome in the definitive host are analyzed in detail. The stage of the echinostome in the definitive host undergoes a number of features such as metacercarial excystment, establishment, habitat location, adult development, mate, and release of eggs. These features are documented with an emphasis in their potential use as experimental models. The analysis is focused on members of the genus Echinostoma, although members of other genera of the Echinostomatidae are mentioned when they are relevant to the discussion. A…
Geographical and temporal distribution of SARS-CoV-2 clades in the WHO European Region, January to June 2020
2020
8 páginas, 3 figuras
Emendation of General Consideration 5 and Rules 18a, 24a and 30 of the International Code of Nomenclature of Prokaryotes to resolve the status of the…
2021
Following the International Committee on Systematics of Prokaryotes electronic discussion and vote on proposals to resolve the status of the Cyanobacteria in the prokaryotic nomenclature, we announce here the results of the ballot. We also present the emended versions of General Consideration 5 and Rules 18a, 24a and 30, based on the outcome of the ballot, to be included in the new revision of the International Code of Nomenclature of Prokaryotes.
The Gypsy Database (GyDB) of mobile genetic elements.
2007
In this article, we introduce the Gypsy Database (GyDB) of mobile genetic elements, an in-progress database devoted to the non-redundant analysis and evolutionary-based classification of mobile genetic elements. In this first version, we contemplate eukaryotic Ty3/Gypsy and Retroviridae long terminal repeats (LTR) retroelements. Phylogenetic analyses based on the gag-pro-pol internal region commonly presented by these two groups strongly support a certain number of previously described Ty3/Gypsy lineages originally reported from reverse-transcriptase (RT) analyses. Vertebrate retroviruses (Retroviridae) are also constituted in several monophyletic groups consistent with genera proposed by t…
Liquid intrusion and alternative methods for the characterization of macroporous materials (IUPAC Technical Report)
2011
This document deals with the characterization of porous materials having pore widths in the macropore range of 50 nm to 500 μm. In recent years, the development of advanced adsorbents and catalysts (e.g., monoliths having hierarchical pore networks) has brought about a renewed interest in macropore structures. Mercury intrusion–extrusion porosimetry is a well-established method, which is at present the most widely used for determining the macropore size distribution. However, because of the reservations raised by the use of mercury, it is now evident that the principles involved in the application of mercury porosimetry require reappraisal and that alternative methods are worth being listed…
Supplementary material 1 from: Bartolucci F, Domina G, Alessandrini A, Angiolini C, Ardenghi NMG, Bacchetta G, Banfi E, Bolpagni R, Bonari G, Bräuchl…
2019
: Data type: species data
Tipos nomenclaturales de lirios ibéricos (Iris y géneros relacionados, Iridaceaae)
2012
Nomenclatural types are reported for seventeen taxa belonging to Iris and six related genera, which are accepted in the forthcoming treatment of Iridaceae for Flora iberica. Among them, 13 lectotypes and one neotype are designated for the first time, and three previous typifications are briefly commented. Se presentan los tipos nomenclaturales de 17 táxones pertenecientes a Iris y otros seis géneros relacionados, que se aceptan en el tratamiento de las Iridaceae para Flora iberica. De ellos, se designan por primera vez 13 lectótipos y un neótipo, y se comentan brevemente tres tipificaciones previas. This research was partly supported by Flora iberica project, parts VIII & IX (CGL2008-02982-…
Sobre los tipos nomenclaturales de dos táxones de Rhamnus (Rhamnaceae) de la flora valenciana
2015
Se designan los tipos nomenclaturales de dos taxones del género Rhamnus descritos de las comarcas valencianas. Por un lado, se lectotipifica el nombre Rh. lycioides var. pubescens Rouy −sinónimo de Rh. lycioides subsp. borgiae Rivas Mart. & J.M. Pizarro−, a partir del material original recolectado en las montañas de Játiva (Valencia). Por otro, se considera que el neótipo recientemente designado para el nombre Rh. valentina Willd. −sinónimo de Rh. pumila L.−, debería aceptarse realmente como un lectótipo. Nomenclatural types are designated for two taxa of the genus Rhamnus described from the Valencia Region (E of Spain). On the one hand, the name Rh. lycioides var. pubescens Rouy −a synonym…
Allium albanicum (Amaryllidaceae), a new species from Balkans and its relationships with A. meteoricum Heldr. & Hausskn. ex Halácsy
2019
A new species, Alliumalbanicum, is described and illustrated from Albania (Balkan Peninsula). It grows on serpentines or limestone in open rocky stands with a scattered distribution, mainly in mountain locations. Previously, the populations of this geophyte were attributed to A.meteoricum Heldr. & Hausskn. ex Halácsy, described from a few localities of North and Central Greece. These two species indeed show close relationships, chiefly regarding some features of the spathe valves, inflorescence and floral parts. They also share the same diploid chromosome number 2n =16 and similar karyotype, while seed testa micro-sculptures and leaf anatomy reveal remarkable differences. There are …