Roholtiella volcanica sp. nov., a New Species of Cyanobacteria from Kamchatkan Volcanic Soils

Abstract

During a study of biodiversity of cyanobacteria in Gorely volcano soils (Kamchatka Peninsula), a strain of heterocytous, a false branching cyanobacterium with gradually tapered filaments, was isolated. Prominent features of the strain were purplish-grey trichomes and firm, distinct multilayered sheaths. Based on the results obtained from the morphological, ecological, and phylogenetic analysis using the 16S rRNA and 16S–23S ITS region, 16S–23S ITS secondary structure analysis, comparison of flanking regions of BoxB and V3 helices, and the p-distance between the 16S–23S ITS region, we describe our strain K7 as a novel species of the genus Roholtiella with the name Roholtiella volcanica sp. nov., in accordance with the International Code of Nomenclature for algae, fungi, and plants. This work continues the rapid expansion of the description of new taxa of cyanobacteria, and particularly demonstrates a coming phase in cyanobacterial taxonomy in which the discovery of new species in recently described genera rapidly increases our understanding of the diversity in this phylum.

Reporting of Freshwater Cyanobacterial Poisoning in Terrestrial Wildlife: A Systematic Map

“…Additionally, previous studies have already highlighted the importance of understanding population dynamics and species composition to predict the occurrence of invasive species and cyanoHABs [ 1 , 71 ]. With the addition of new detection methods and surveillance strategies, new cyanobacterial species and toxins are being discovered rapidly [ 72 , 73 ]. To this end, as investigators continue to report wild animal cyanotoxin intoxications, it is important that they conduct a thorough search of available analytical methods and current taxonomic names for cyanobacteria.…”

Diversity of marine benthic species of Nostocales (Cyanobacteria) in Veracruz, Mexico

“…Although in other parts of the world the diversity of this group has been widely studied from morphological (Bolch et al 1999, Casamatta et al 2005, Willame et al 2006, Berrendero et al 2008, Raabova et al 2019, Conklin et al 2020, Radkova et al 2020, taxonomic (Skulberg et al 1993, Hašler & Poulíčková 2010, Palinska & Surosz 2014, Komárek 2016, Mikhailyuk et al 2016, Johansen et al 2021, phylogenetic (Řeháková et al 2007Hrouzek et al 2013, Genuario et al 2015, Cai et al 2019b, Jiang et al 2020, Cai et al 2020, Gaysina et al 2022, Baldarelli et al 2022, ecological (Stal 1995, Paerl & Millie 1996, Sellner 1997, Whitton & Potts 2012, Cohen & Gurevitz 2006, Paerl & Fulton 2006, or even the toxic potential of species (Falconer 1996, Baker et al 2002, Lagos 2003, Paerl & Fulton 2006, Moreira et al 2014, Kubickova et al 2019, in Mexico they are practically unknown. Currently, there are 1,123 species recorded (Novelo & Tavera 2022) of which only 164 corresponds to marine environments (León-Tejera et al 2019).…”

Recent Advances in the Integrative Taxonomy of Plants

“…At the present stage, most of the studies on microalgae and cyanobacteria are based on their precise species identification [ 11 , 12 , 13 ]. Such accuracy can only be achieved with an integrative approach, using classical (morphological and cultural) and modern molecular phylogenetic, biochemical, ecological, and other methods [ 8 , 12 , 14 , 15 , 16 , 17 ]. Moreover, the integrative approach can be interpreted in several directions.…”