Results 21 to 30 of about 93,372 (292)

Ciliate Environmental Diversity Can Be Underestimated by the V4 Region of SSU rDNA: Insights from Species Delimitation and Multilocus Phylogeny of Pseudokeronopsis (Protist, Ciliophora)

open access: yesMicroorganisms, 2019
Metabarcoding and high-throughput sequencing methods have greatly improved our understanding of protist diversity. Although the V4 region of small subunit ribosomal DNA (SSU-V4 rDNA) is the most widely used marker in DNA metabarcoding of eukaryotic ...
Zifeng Zhan, Ju Li, Kuidong Xu
doaj   +1 more source

Morphology and rDNA phylogeny of a Mediterranean Coolia monotis (Dinophyceae) strain from Greece

open access: yesScientia Marina, 2006
Sequences of LSU and SSU ribosomal RNA genes and phylogeny have not been widely investigated for the dinoflagellate Coolia monotis Meunier, and no information is available on the small and large rDNA subunits of Mediterranean strains.
Nicolas P. Dolapsakis   +3 more
doaj   +1 more source

Molecular diagnosis of red rot of sugarcane in Pakistan and in vitro control of isolated pathogen using rhizobacteria

open access: yesPlant Protection Science, 2023
Sugarcane (Saccharum officinarum L.) is a key cash crop, and its production is influenced by a variety of phytopathogens in different parts of the world.
Zimen Ahmad   +14 more
doaj   +1 more source

Rio1 promotes rDNA stability and downregulates RNA polymerase I to ensure rDNA segregation [PDF]

open access: yesNature Communications, 2015
The conserved protein kinase Rio1 localizes to the cytoplasm and nucleus of eukaryotic cells. While the roles of Rio1 in the cytoplasm are well characterized, its nuclear function remains unknown. Here we show that nuclear Rio1 promotes rDNA array stability and segregation in Saccharomyces cerevisiae.
Iacovella, Maria   +10 more
openaire   +4 more sources

Chromosomal location of rDNA clusters and TTAGG telomeric repeats in eight species of the spittlebug genus Philaenus (Hemiptera: Auchenorrhyncha: Aphrophoridae)

open access: yesEuropean Journal of Entomology, 2013
A cytogenetic investigation was performed in eight species of the spittlebug genus Philaenus using silver-NOR (AgNOR)-banding and fluorescence in situ hybridization (FISH) with 18S rDNA and (TTAGG)n telomeric probes. This is the first application of FISH
Anna MARYAŃSKA-NADACHOWSKA   +2 more
doaj   +1 more source

Molecular characterization and phylogeny of the entomopathogenic fungus

open access: yesPlant Protection Science, 1999
We characterized 23 isolates of the entomopathogenic fungus Aschersonia spp. from Mexico, Brazil, Guyana, Trinidad, Venezuela, Columbia, Florida, Malaysia, Thailand, Japan, Philippines, Java and South India using RAPD markers.
Miroslav Oborník   +3 more
doaj   +1 more source

Variability of seed-borne Colletotrichum strains in cotton based on ITS1 and ITS2 ribossomal genes analysis

open access: yesBioscience Journal, 2015
The use of DNA sequences analysis has been an important mean to distinguish and to identify populations of organisms at different levels. By molecular markers several complex organisms have been successful detected in plants for distinct aims.
Enia Mara de Carvalho   +4 more
doaj   +1 more source

Comparative analysis of the location of rDNA in the Palaearctic bushcricket genus Isophya (Orthoptera: Tettigoniidae: Phaneropterinae)

open access: yesEuropean Journal of Entomology, 2011
The present study focused on the evolution of the karyotype in 21 taxa of the genus Isophya, which was done by mapping the location on the chromosomes of ribosomal RNA (rRNA) coding genes using fluorescence in situ hybridization (FISH) with an 18S rDNA ...
Beata GRZYWACZ   +4 more
doaj   +1 more source

Molecular variations in Lenzites species collected from Nigeria and other parts of the world using Internal Transcribed Spacers (ITS) regions of Ribosomal RNA [PDF]

open access: yesMicrobial Biosystems Journal, 2018
The phylogeny of six specimens of Lenzites species collected from Akure Nigeria was studied using molecular data obtained by sequencing the internal transcribed spacers (ITS) regions of ribosomal RNA using universal primers (ITS4 and ITS5).
doaj   +1 more source

Molecular and morphological characterization of Isthmiophora melis (Schrank, 1788) Luhe, 1909 (Digenea: Echinostomatidae) from American mink (Neovison vison) and European polecat (Mustela putorius) in Lithuania

open access: yesHelminthologia, 2017
The specimens collected from American mink (Neovison vison) and European polecat (Mustela putorius) in Lithuania were morphologically identified as Isthmiophora melis (Schrank, 1788) Lühe, 1909 and were molecularly characterized through sequencing of ...
Nugaraitė D.   +2 more
doaj   +1 more source

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