Results 41 to 50 of about 14,854 (216)

rDNA Variability Assessed in PCR Reactions of Selected Accessions of Acer

open access: yesNotulae Botanicae Horti Agrobotanici Cluj-Napoca, 2011
The region of rDNA (SSU, 5.8S, LSU and ITS1, ITS2 spacer sequences) of fourteen Acer accessions was tested in order to determine the possibility to identify genotypic variability within a rDNA sequence.
Milosz SMOLIK   +4 more
doaj   +1 more source

Arbuscular mycorrhizal community composition associated with two plant species in a grassland ecosystem [PDF]

open access: yes, 2002
Arbuscular mycorrhizal (AM) fungi are biotrophic symbionts colonizing about two-thirds of land plant species and found in all ecosystems. They are of major importance in plant nutrient supply and their diversity is suggested to be an important ...
Daniell, T.J.   +6 more
core   +1 more source

Developing SSU rDNA metagenomic profiles of aquatic microbial communities for environmental assessments [PDF]

open access: yesEcological Indicators, 2008
Five water samples from three sources, two municipal reservoirs in central North Carolina and Toolik Lake in Alaska, were processed to conduct a comparative survey of microbial small subunit rDNA sequences. Genomic DNA was extracted and amplified by PCR using universal SSU rDNA primers to generate 16S and 18S rDNA clone libraries and 50 clones from ...
Michael M. Marshall   +3 more
openaire   +1 more source

Acaulospora jejuensis, a New Species in Glomeromycota from Korea

open access: yes한국균학회지, 2021
New species of arbuscular mycorrhizal fungi (Glomeromycota), Acaulospora jejuensis, was isolated from rhizosphere soils of Miscanthus sinensis in the grassland in Jeju Island of Korea. The species was identified using the morphological characteristics of
Hyeok Park, Kang-Hyeon Ka, Ahn-Heum Eom
doaj   +1 more source

Molecular evolution of the foraminiferal SSU rDNA: prospects and pitfalls

open access: yesAnuário do Instituto de Geociências, 2006
Abstract
Guido W. Grimm   +3 more
openaire   +2 more sources

Profiling nematode communities in unmanaged flowerbed and agricultural field soils in Japan by DNA barcode sequencing.

open access: yesPLoS ONE, 2012
Soil nematodes play crucial roles in the soil food web and are a suitable indicator for assessing soil environments and ecosystems. Previous nematode community analyses based on nematode morphology classification have been shown to be useful for ...
Hisashi Morise   +3 more
doaj   +1 more source

Morphological plasticity in Myxobolus Bütschli, 1882: a taxonomic dilemma case and renaming of a parasite species of the common carp

open access: yesParasites & Vectors, 2018
Background Myxozoans are a group of cnidarian parasites, the present taxonomy of which favors a more comprehensive characterization strategy combining spore morphology, biological traits (host/organ specificity, tissue tropism), and DNA data over the ...
Qingxiang Guo   +4 more
doaj   +1 more source

Morphology and Molecular Phylogeny of Four Trachelocercid Ciliates (Protozoa, Ciliophora, Karyorelictea) Found in Marine Coastal Habitats of Northern China, With Description of a New Genus, Two New Species and a New Combination

open access: yesFrontiers in Marine Science, 2021
The morphology of four trachelocercid ciliates, Paratrachelocerca typica gen. nov., spec. nov., Trachelolophos monocaryon (Dragesco, 1965) comb. nov. (original combination: Tracheloraphis monocaryonDragesco, 1965), Tracheloraphis katzae spec.
Mingzhen Ma   +6 more
doaj   +1 more source

Repatriation of an old fish host as an opportunity for myxozoan parasite diversity: The example of the allis shad, Alosa alosa (Clupeidae), in the Rhine [PDF]

open access: yes, 2016
Background: Wildlife repatriation represents an opportunity for parasites. Reintroduced hosts are expected to accumulate generalist parasites via spillover from reservoir hosts, whereas colonization with specialist parasites is unlikely.
Bartošová-Sojková, Pavla   +5 more
core   +4 more sources

Fish-isolated Naegleria strains and their phylogeny inferred from ITS and SSU rDNA sequences [PDF]

open access: yesFolia Parasitologica, 2006
Effort was made to identify Naegleria strains isolated from organs of fish, using phylogenetic analyses of SSU rDNA and ITS sequences. Eighteen fish-isolated strains studied enlarged substantially the so far available set of Naegleria strains characterized by both molecular markers.
Iva, Dyková   +3 more
openaire   +2 more sources

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