Silica-Scaled Chrysophytes of Teletskoye Lake and Adjacent Area with a Description of a New Species from the Genus Mallomonas

Gusev, Evgeniy; Martynenko, Nikita

doi:10.3390/d14121040

Cited by 3 publications

(5 citation statements)

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“…Mallomonas striata is considered a cosmopolitan taxon [1,114]. However, recently it has been shown that M. striata is a complex of species that can be morphologically distinguished by the structure of bristles, the shape of scales, and the number and arrangement of structural elements on the surface of scales [66,67,115,116]. Only one scale was found, in general, corresponding to the type of Mallomonas striata in ultrastructure, so we reported it as M. striata sensu lato.…”

Section: Conflicts Of Interestmentioning

confidence: 99%

An Annotated Checklist of Algae from the Order Synurales (Chrysophyceae) of Viet Nam

et al. 2023

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This paper presents an annotated list of the Mallomonas and Synura taxa (order Synurales, class Chrysophyceae) found in Viet Nam. This list is based on materials from long-term studies (from 2008 to 2020) of 371 freshwater localities in 18 provinces in the country. A total of 67 taxa (morphotypes) of the genus Mallomonas and 7 of the genus Synura were reported. For each species, the range of abiotic environmental parameters under which they were found is given, as well as comments on the distribution of these taxa within Viet Nam and the tropical region.

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Section: Conflicts Of Interestmentioning

confidence: 99%

An Annotated Checklist of Algae from the Order Synurales (Chrysophyceae) of Viet Nam

et al. 2023

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“…balonovii Voloshko, M. striata var. getseniae Voloshko [23], M. siveri [34], M. pechlaneri Němcová & Rott [24], M. marina Jeong, Kim, Jo, Kim, Siver & Shin [37], M. voloshkoae Gusev, Němcová & Kulikovskiy [25], M. punctostriata Gusev & Kulikovskiy [38] and M. altaica Gusev & Martynenko [26].…”

Section: Discussionmentioning

confidence: 99%

“…Among the representatives of the section Striatae, there are both widespread and rare species. Rare species have previously been shown to be confined to oligotrophic/mountain water bodies [26]. To date, eight species of the section Striatae have been found in Lake Baikal: M. striata var.…”

Section: Discussionmentioning

confidence: 99%

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Two New Species, Mallomonas baicalensis sp. nov. and M. grachevii sp. nov. (Synurales Chrysophyceae), Found under the Ice of Lake Baikal

Bessudova,

Firsova,

Hilkhanova

et al. 2023

Water

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Two new species of silica-scaled chrysophytes (order Synurales) from the genus Mallomonas and sections Striatae Mallomonas baicalensis sp. nov. and M. grachevii sp. nov. found at the bottom surface of the ice of Lake Baikal, with a structure of siliceous scales, are described using electron microscopy. The main and unique distinctive feature of M. baicalensis is its dome with a long spine and the slightly asymmetrical shape of its scales, regardless of their position on the cell. We could not find the bristles, and if there are spines on the dome, we can assume that they may be missing. The main distinguishing feature of M. grachevii is the presence of a secondary layer on the shield except at the angle of the V-rib, in which an area without the secondary layer, a “window”, is present with numerous pores, and the first transverse rib closest to the dome is thickened. Among the Mallomonas species from the section Striatae, only M. siveri and M. baicalensis have a group of rimmed pores in the corner of the V-rib. As a result of our research, the number of Mallomonas species of the section Striatae found in Lake Baikal has increased to eight, of which, in addition to the new species, only one species is widespread, and the rest are rare, previously foundin oligotrophic/mountain water bodies.

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“…For comparison, we can point out that in Europe, which is much smaller in area, 114 species and infraspecific taxa of the genus Mallomonas are known [47]. Almost every study of a new region in Russia leads to the discovery of rare species and taxa new to science or the flora of the country [36,[39][40][41][42][43][44]48].…”

Section: Introductionmentioning

confidence: 99%

Diversity of Silica-Scaled Chrysophytes in the Steppe Zone of the Southern Urals with a Description of a New Species from the Genus Mallomonas

Ignatenko,

Gusev,

Yatsenko-Stepanova

2023

Life

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This paper is devoted to the study of the flora of silica-scaled chrysophytes in water bodies of the steppe zone of the Southern Urals (Russia). Twenty-four taxa were identified via scanning and transmission electron microscopy, twenty of which are representatives of the genus Mallomonas Perty, while four are species of the genus Synura Ehrenberg. In the course of the study, a species new to science from the genus Mallomonas, M. baturinae sp. nov., was described. This species belongs to the section Papillosae. The stomatocyst of M. doignonii was described. For the first time in Russia and for the third time since description, M. phasma and M. solea-ferrea var. irregularis were reported in the studied area. Here, their extended description is provided with illustrations of their scales in detail. Some rare taxa for the flora of Russia have been identified: M. doignonii, M. pillula f. exannulata, and M. pillula f. valdiviana. One taxon of the genus Mallomonas has not been identified to a species level and is probably a taxon new to science.

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Silica-Scaled Chrysophytes of Teletskoye Lake and Adjacent Area with a Description of a New Species from the Genus Mallomonas

Cited by 3 publications

References 30 publications

An Annotated Checklist of Algae from the Order Synurales (Chrysophyceae) of Viet Nam

An Annotated Checklist of Algae from the Order Synurales (Chrysophyceae) of Viet Nam

Two New Species, Mallomonas baicalensis sp. nov. and M. grachevii sp. nov. (Synurales Chrysophyceae), Found under the Ice of Lake Baikal

Diversity of Silica-Scaled Chrysophytes in the Steppe Zone of the Southern Urals with a Description of a New Species from the Genus Mallomonas

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