Moldy Boletus sp. and Xerocomus sp. were collected from several locations at the campus of the University of Tabriz, Iran. Fungicolous fungal isolates were recovered and characterized by the combination of morphological traits and phylogenetic analyses of combined ITS and LSU sequence data. Fungal isolates were identified as Sepedonium microspermum. This is the first ...

A new freshwater diatom species Conticribra sinica sp. nov. Yu, You et Wang from three lakes in the lower reaches of Yangtze River, China, is described here using a combination morphological and molecular data ribosomal DNA genes. The primary distinguishing characteristic C. was presence non-plicate or slightly-plicate valve face single ring marginal fultoportulae that located at junction betwe...

The freshwater genus Unruhdinium includes dinoflagellates hosting a tertiary diatom endosymbiont. Some of the species belonging to this form high-biomass blooms. In study, data on ecology, morphology and molecular identity penardii were reported for first time from Mediterranean reservoir (Cedrino Lake, Sardinia, Italy). ecology its bloom events examined along multiannual series (2010-2017). Ce...

We studied group I introns in sterile cultures of selected groups of lichen photobionts, focusing on Trebouxia species associated with Xanthoria s. lat. (including Xanthomendoza spp.; lichen-forming ascomycetes). Group I introns were found inserted after position 798 (Escherichia coli numbering) in the large subunit (LSU) rRNA in representatives of the green algal genera Trebouxia and Asterochl...

The homing endonuclease I-PpoI is encoded by an optional third intron, Pp LSU 3, found in nuclear, extrachromosomal copies of the Physarum polycephalum 26S rRNA gene. This endonuclease promotes the lateral transfer or "homing" of its encoding intron by recognizing and cleaving a partially symmetric, 15 bp homing site in 26S rDNA alleles that lack the Pp LSU 3 intron. The open reading frame enco...

During a collecting trip exploring new habitats and locations for keratinophilic fungi, soil samples were collected from Bohani village in the central Indian state of Madhya Pradesh. Following isolation using a hair baiting technique, one sample yielded an interesting hyphomycetous fungus. The fungus, which could easily be observed under a dissecting microscope, formed prominently large, dark b...

The generic position of the enigmatic smut fungus Ustilago solida is evaluated applying molecular phylogenetic analyses using ITS and LSU rDNA sequences as well as light and scanning electron microscopical investigations of several collections of this species. Ustilago solida has previously been included in five different genera (Ustilago, Urocystis, Sorosporium, Cintractia, and Tolyposporium),...

Nematodes of the suborder Cephalobina include an ecologically and morphologically diverse array of species that range from soil-dwelling microbivores to parasites of vertebrates and invertebrates. Despite a long history of study, certain of these microbivores (Cephaloboidea) present some of the most intractable problems in nematode systematics; the lack of an evolutionary framework for these ta...

Phylogenetic relationships among six isolates of Halicephalobus gingivalis (Stefanski, 1954), a species with pathogenic potential in horses and humans, were evaluated using DNA sequences from the nuclear large-subunit ribosomal RNA (LSU rDNA) gene. Sequences from nematodes obtained from in vitro cultures (soil or clinical sources), or isolated from infected horse tissues, were compared. Gene se...