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ribosomalDNA, etc ; Agaricaceae; Tulostoma; herbaria; Ukraine; Show all 5 Subjects
Abstract:
... The article provides results of our revision of three herbarium specimens of the genus Tulostoma collected in Ukraine and deposited in the Mycological Herbarium of V.N. Karazin Kharkiv National University, CWU (Myc). Previously, they have been identified as Tulostoma kotlabae, T. niveum, and T. subsquamosum and reported as newly recorded species in Ukraine. For the examined specimens, we analyzed ...
ribosomalDNA, etc ; Lamiaceae; calyx; limestone; new species; phylogeny; plastid DNA; China; Show all 8 Subjects
Abstract:
... The genus Paraphlomis (Lamiaceae) consists of approximately 30 species, most of which are restricted to the subtropical area of China. In this study, P. longicalyx Y.P.Chen & C.L.Xiang, a new species from southern China, is described and illustrated. Molecular phylogenetic analyses implemented based on two nuclear ribosomal DNA and four plastid DNA regions showed that P. longicalyx is a distinct l ...
ribosomalDNA, etc ; Memecylon; chloroplast DNA; internal transcribed spacers; monophyly; woody plants; Show all 6 Subjects
Abstract:
... Memecylon (Melastomaceae) is a large genus of the Old-World predominantly woody species. Many species of Memecylon are used for timber, ornamental and medicinal purposes. The objective of the present study was to undertake a phylogenetic analysis of Indian Memecylon based on nuclear ribosomal DNA internal transcribed spacer (nrDNA-ITS) and rbcL sequence data. Sampling included 26 species and one v ...
ribosomalDNA, etc ; biosynthesis; cell nucleolus; cell senescence; genomics; meiosis; ribosomes; yeasts; Show all 8 Subjects
Abstract:
... The rRNA genes [ribosomal DNA (rDNA)] are organized in a prominent nuclear compartment, the nucleolus. It is now well established that the nucleolus functions beyond ribosome biosynthesis, regulating several physiological cellular responses. The nucleoli constitute dynamic genomic/nuclear hubs and demonstrate unique inherent characteristics, rendering them ideal to sense, signal, and respond to va ...
Pavel E. Umriukhin; Elizaveta S. Ershova; Anton D. Filev; Oksana N. Agafonova; Andrey V. Martynov; Natalia V. Zakharova; Roman V. Veiko; Lev N. Porokhovnik; George P. Kostyuk; Sergey I. Kutsev; Natalia N. Veiko; Svetlana V. Kostyuk
ribosomalDNA, etc ; flow cytometry; humans; hybridization; models; oxidative stress; satellites; telomeres; Show all 8 Subjects
Abstract:
... INTRODUCTION. As shown earlier, copy number variations (CNV) in the human satellite III (1q12) fragment (f-SatIII) and the telomere repeat (TR) reflects the cell’s response to oxidative stress. The contents of f-SatIII and TR in schizophrenic (SZ) patients were found to be lower than in healthy controls (HC) in previous studies. The major question of this study was: ‘What are the f-SatIII and TR C ...
ribosomalDNA, etc ; Corokia; botany; geographical distribution; indigenous species; phylogeny; Australia; New Zealand; Show all 8 Subjects
Abstract:
... Argophyllaceae is a small eudicot family of trees and shrubs of south-western Pacific distribution, comprising two genera: Corokia and Argophyllum. The phylogeny of Corokia, which contains six species, has attracted little attention so far, the genus being usually represented by a single species in studies looking at relationships at higher taxonomic levels. Here we bridge this knowledge gap with ...
ribosomalDNA, etc ; Orchidaceae; barcoding; genetic distance; habitat destruction; internal transcribed spacers; phylogeny; trade; India; Show all 9 Subjects
Abstract:
... Habitat destruction, indiscriminate and rampant collection of Vandaceous orchids for their ornamental and medicinal values have resulted many of the important species pushed to threatened category and to struggle for their survival in nature. Illegal trade of this commercially important group of orchids continues as these orchids are similar in shape, size and difficult to identify and classify, e ...
ribosomalDNA, etc ; Bayesian theory; Kunzea; Leptospermum; chloroplasts; introns; monophyly; polyphyly; statistical analysis; taxonomic revisions; Show all 10 Subjects
Abstract:
... Leptospermum is an ecologically and economically important genus with a long unresolved taxonomic issue concerning polyphyly, as indicated from early molecular analysis on two chloroplast regions. To resolve this, we used genome skimming to obtain high‐copy chloroplast and nuclear ribosomal DNA for a comprehensive phylogenomic analysis of 110 accessions comprising of 38 Leptospermum taxa, 6 closel ...
ribosomalDNA, etc ; Haworthia; biotechnology; diploidy; environment; fish; flow cytometry; fluorescence; horticulture; hybridization; karyotyping; telomeres; tetraploidy; Show all 13 Subjects
Abstract:
... The purpose of this study was to investigate cytogenetic variations between the nine Haworthia species necessary for subsequent breeding. Flow cytometric analysis of H. badia ‘Murasaki’, H. splendens, H. truncata ‘Seiko’, H. cooperi var. obtusa, H. cymbiformis, H. mirabilis var. mundula, and H. retusa showed a wide range of DNA content from 10.17 to 12.17 pg/1C, whereas two tetraploids, H. limifol ...
ribosomalDNA, etc ; Isopoda; Macrobrachium; basins; cytochrome-c oxidase; freshwater; genes; mitochondria; parasitism; parasitology; taxonomy; Amazonia; Show all 12 Subjects
Abstract:
... Bopyrid isopods of the genus Probopyrus are well-known parasites of freshwater prawns of the genus Macrobrachium. The parasitism of coastal populations of Macrobrachium amazonicum by Probopyrus bithynis, for example, has been documented since the late 1980s. Despite this, molecular data on different populations are not available for any Probopyrus species. The present study is the first to describ ...
ribosomalDNA, etc ; Apareiodon; Myxobolus; biodiversity; direct contact; fish; new species; parasitology; phylogeny; spores; watersheds; Brazil; Show all 12 Subjects
Abstract:
... About forty-two species of Myxobolus have been previously described to parasitize characiform fishes in South America. Here, we described a new myxozoan species, Myxobolus parodontidis n. sp., in the gills of Apareiodon piracicabae (Characiformes, Parodontidae) from the streams of the Middle Paranapanema River basin, Brazil. The proposed new species is supported by a combination of morphological, ...
... Liriope platyphylla F.T. Wang & Tang and Ophiopogon japonicus (Thunb.) Ker Gawl are morphologically similar perennial herbaceous plants belonging to the Asparagaceae family used as evergreen ornamental plants as well as for medicinal purposes. Complete plastid genomes (plastomes) and 45S nuclear ribosomal DNA (45S rDNA) sequences were obtained from two L. platyphylla accessions and one O. japonicu ...
ribosomalDNA, etc ; Leishmania major; Meriones; Rhombomys; cutaneous leishmaniasis; health policy; humans; microscopy; polymerase chain reaction; Iran; Show all 10 Subjects
Abstract:
... Rodents from the subfamily Gerbillinae are the principal reservoir of cutaneous leishmaniasis (CL) caused by Leishmania major in the center and northeast of Iran. This study was conducted to determine both naturally occurring Leishmania infection rates and the distribution of Leishmania species in the central parts of Iran during 2019–2020. In this regard, presence of Leishmania parasites were con ...
... This study represents the first survey reporting the occurrence of Neofusicoccum species associated with Eucalyptus foliar diseases in semi-arid areas in North African countries. Based on morphological features and phylogenetic analyses of internal transcribed spacer (ITS) of nuclear ribosomal DNA (rDNA), translation elongation factor 1-alpha (TEF1) and β-tubulin (TUB2) genes, two species were ide ...
... A rapid increase in the number of Gossypium hirsutum L. plants suddenly wilting and dying in a commercial cotton field in Central Queensland initiated this study. The aim was to characterise fungal species recovered from discoloured vascular tissue of dead plants and determine if they contributed to their death. Isolations were consistently dominated by one fungus based on culture morphology. Iden ...
ribosomalDNA, etc ; Acidobacteria; Chloroflexi; activated sludge; bacterial communities; biomarkers; community structure; environmental factors; factor analysis; wastewater treatment; China; Show all 11 Subjects
Abstract:
... Overall understanding of microbial community structure in activated sludge (AS) system at regional level is of great significance for operation regulation of wastewater treatment plants (WWTPs). In this study, 110 AS samples from 21 cities in different Chinese regions were analyzed based on high-throughput 16S ribosomal DNA (rDNA) sequencing to explore effects of different regions on microbial com ...
ribosomalDNA, etc ; Nematoda; females; forests; internal transcribed spacers; nematology; new species; phylogeny; rhizosphere; soil; stylets; tail; vagina; vulva; Iran; Show all 15 Subjects
Abstract:
... A new species of Scutylenchus was recovered from soil collected in the rhizosphere of forest trees in natural Asalem forests, Gilan province, north Iran. The new species is described and illustrated based upon morphological and molecular data. Scutylenchus quercinus n. sp. is mainly characterised by having four lines in the lateral fields, thus delimiting it from currently known species of the gen ...
ribosomalDNA, etc ; Japan; dioecy; genes; haplotypes; hybridization; hybrids; intergenic DNA; monoecy; paper; papermaking; phylogeny; phylogeography; research; taxonomy; Korean Peninsula; Show all 16 Subjects
Abstract:
... Species of Broussonetia have been essential in the development of papermaking technology. In Japan and Korea, a hybrid between B. monoica and B. papyrifera (= B. × kazinoki) known as kōzo and daknamu is still the major source of raw materials for making traditional paper washi and hanji, respectively. Despite their cultural and practical significance, however, the origin and taxonomy of kōzo and d ...
Phougeishangbam Rolish Singh; Bart T. L. H. van de Vossenberg; Katarzyna Rybarczyk-Mydłowska; Magdalena Kowalewska-Groszkowska; Wim Bert; Gerrit Karssen
ribosomalDNA, etc ; Rotylenchus; data collection; genetic variation; mitochondria; mitochondrial genome; plant parasitic nematodes; plant pathology; ribosomal RNA; transfer RNA; Belgium; Netherlands; Poland; Show all 13 Subjects
Abstract:
... Rotylenchus is a widely distributed, economically important plant-parasitic nematode group whose species-level identification relies largely on limited morphological characters, including character-based tabular keys and molecular data of ribosomal and mitochondrial genes. In this study, a combined morphological and molecular analysis of three populations of Rotylenchus goodeyi from Belgium, Polan ...
... Stunt nematodes (Tylenchorhynchus spp.) are obligate migratory root ecto-parasitic nematodes found in the fields of many cultivated crops. These nematodes, with phyto-sanitary potential, are frequently ignored or misdiagnosed as pests, and this may pose a threat to food security. The accuracy of its identification based on a morphological approach has been challenged recently, due to the overlappi ...