نتایج جستجو برای: nrdna its
تعداد نتایج: 1951836 فیلتر نتایج به سال:
DNA sequences were analyzed from 19 populations of J. phoenicea from throughout its range. The sequence data (nrDNA, petN-psbM) revealed that J. phoenicea is clearly divided into two taxa. These taxa have been recognized as var. (subsp.) phoenicea and var. (subsp.) turbinata by Adams (2011) and Farjon (2005). However, the magnitude of the differences in the DNA regions, along with the differenc...
Based on analyses of concatenated internal transcribed spacer regions of the nrDNA operon (ITS), large subunit rDNA (LSU), γ-actin and β-tubulin gene sequences the taxonomy of coniothyrium-like fungi belonging in the family Montagnulaceae, order Pleosporales, was re-assessed. Two new genera are proposed, Alloconiothyrium, to accommodate A. aptrootii sp. nov., and Dendrothyrium for D. longisporu...
The genus Trifolium L. belonging to family Fabaceae is represented by about 255 species in the world. Two classifications based on sections or subgenus are commonly used researchers taxonomically evaluation of Trifolium. However, there still some confusing and complex situations taxonomy genus. For this reason, internal transcribed spacer (ITS) regions between rDNA genes nrDNA were examined for...
A phylogeny of the fungal phylum Basidiomycota is presented based on a survey of 160 taxa and five nuclear genes. Two genes, rpb2, and tef1, are presented in detail. The rpb2 gene is more variable than tef1 and recovers well-supported clades at shallow and deep taxonomic levels. The tef1 gene recovers some deep and ordinal-level relationships but with greater branch support from nucleotides com...
Here, we have identified a protist (dinoflagellate) lineage that has diversified recently in evolutionary terms. The species members of this lineage inhabit cold-water marine and lacustrine habitats, which are distributed along a broad range of salinities (0-32) and geographic distances (0-18 000 km). Moreover, the species present different degrees of morphological and sometimes physiological v...
Abstract Background Cherleria (Caryophyllaceae) is a circumboreal genus that also occurs in the high mountains of northern hemisphere. In this study, we focus on clade diversified European High Mountains, which was identified using nuclear ribosomal (nrDNA) sequence data previous study. With nrDNA data, all but one species monophyletic, with little variation within most species. Here, use genot...
<i>Spiraea prunifolia</i> f. <i>simpliciflora</i> Nakai is a perennial shrub widely used for horticultural and medicinal purposes. We simultaneously obtained the complete plastid genome (plastome) nuclear ribosomal gene transcription units, 45S DNA (nrDNA) 5S nrDNA of <i>S. <i>simpliciflora</i>, using Illumina short-read data. The plastome 155,984 bp in...
Chamaecrista belongs to subtribe Cassiinae (Caesalpinioideae), and it comprises over 330 species, divided into six sections. The section Xerocalyx has been subjected to a profound taxonomic shuffling over the years. Therefore, we conducted a phylogenetic analysis using a cpDNA trnE-trnT intergenic spacer and nrDNA ITS/5.8S sequences from Cassiinae taxa, in an attempt to elucidate the relationsh...
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