Results 51 to 60 of about 14,854 (216)

Widespread association between the ericoid mycorrhizal fungus Rhizoscyphus ericae and a leafy liverwort in the maritime and sub-Antarctic [PDF]

open access: yes, 2007
A recent study identified a fungal isolate from the Antarctic leafy liverwort Cephaloziella varians as the ericoid mycorrhizal associate Rhizoscyphus ericae. However, nothing is known about the wider Antarctic distribution of R. ericae in C. varians, and
Bednarek-Ochyra H   +14 more
core   +1 more source

Ribosomal small subunit sequence diversity of Scutellospora within single spores and roots of bluebell from a woodland community. [PDF]

open access: yes, 1999
Roots of bluebell (Hyacinthoides nonscripta) were sampled from a woodland in Yorkshire,UK and spores of an arbuscular mycorrhizal fungus Scutellospora sp., were obtained from the surrounding soil.
Clapp, J.P., Fitter, A.H., Young, J.P.W.
core   +1 more source

PHYLOGENETIC RELATIONSHIPS OF PALAEACANTHOCEPHALA (ACANTHOCEPHALA) INFERRED FROM SSU AND LSU rDNA GENE SEQUENCES

open access: yesJournal of Parasitology, 2005
The Palaeacanthocephala is traditionally represented by 2 orders, Echinorhynchida and Polymorphida, with 10 and 3 families, respectively. To test the monophyly of the class, these 2 orders, and certain families, phylogenies were inferred using nuclear small-subunit (SSU) and large-subunit (LSU) ribosomal DNA sequences obtained for 29 species ...
Martín, García-Varela   +1 more
openaire   +3 more sources

‘‘Cryptic’’ group-I introns in the nuclear SSU-rRNA gene of Verticillium dahliae [PDF]

open access: yes, 2013
Group-I introns are widespread—though irregularly distributed—in eukaryotic organisms, and they have been extensively used for discrimination and phylogenetic analyses.
Dimopoulou, Chrysoula D.   +2 more
core   +1 more source

First Report of ‘Soft Flesh’ Induced by the Parasite Kudoa thyrsites (Myxosporea) in Commercial Codfish From Norway

open access: yesJournal of Fish Diseases, Volume 48, Issue 4, April 2025.
ABSTRACT Kudoa thyrsites is a myxosporean parasite that infects the skeletal muscle of various teleost fish species globally. Severe infections lead to ‘soft flesh’ in fish fillets, resulting in food spoilage and subsequent discard. While K. thyrsites has previously been identified in migratory Atlantic mackerel in the northern Northeast Atlantic Ocean,
Lucilla Giulietti   +6 more
wiley   +1 more source

A Clustering Optimization Strategy for Molecular Taxonomy Applied to Planktonic Foraminifera SSU rDNA

open access: yesEvolutionary Bioinformatics, 2010
Identifying species is challenging in the case of organisms for which primarily molecular data are available. Even if morphological features are available, molecular taxonomy is often necessary to revise taxonomic concepts and to analyze environmental DNA sequences.
Markus Göker   +4 more
openaire   +4 more sources

Diversity of Lecidea (Lecideaceae, Ascomycota) species revealed by molecular data and morphological characters [PDF]

open access: yes, 2002
The diversity of lichens, especially crustose species, in continental Antarctica is still poorly known. To overcome difficulties with the morphology based species delimitations in these groups, we employed molecular data (nuclear ITS and mitochondrial ...
Branson, K   +20 more
core   +4 more sources

Methanogenic \u3cem\u3eArchaea\u3c/em\u3e and human periodontal disease [PDF]

open access: yes, 2004
Archaea have been isolated from the human colon, vagina, and oral cavity, but have not been established as causes of human disease. In this study, we reveal a relationship between the severity of periodontal disease and the relative abundance of archaeal
Armitage, Gary C.   +5 more
core   +1 more source

Diversity and seasonal dynamics of the marine diatom family Chaetocerotaceae (Bacillariophyta, Mediophyceae) in Catalan coastal waters (northwest Mediterranean)

open access: yesJournal of Phycology, EarlyView.
Abstract The family Chaetocerotaceae includes the genera Chaetoceros and Bacteriastrum, with Chaetoceros being one of the most cosmopolitan, abundant, and diverse diatom genera in the oceans. This study investigated the diversity and seasonal dynamics of the Chaetocerotaceae in surface waters of two coastal sites along the Catalan coast (Barcelona and ...
Laura Arin   +5 more
wiley   +1 more source

Relatedness ofPseudallescheria, ScedosporiumandGraphium pro partebased on SSU rDNA sequences [PDF]

open access: yesMedical Mycology, 1997
Genetic relatedness of 10 strains of opportunistic human pathogenic fungi in the genera Pseudallescheria and Scedosporium and related fungi including Petriella setifera, Graphium tectonae and Ceratocystis fimbriata, were tested by sequencing the entire SSU rDNA.
J, Issakainen   +3 more
openaire   +2 more sources

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