Tryblionella persuadens comb. nov. (Bacillariaceae, Diatomeae): new observations on frustule morphology of a seldom recorded diatom

Cavalcante, Kaoli Pereira; Tremarin, Priscila Izabel; Freire, Eduardo Gomes; Ludwig, Thelma Alvim Veiga

doi:10.1590/0001-37652013108112

Cited by 3 publications

(4 citation statements)

References 7 publications

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“…Tryblionella persuadens is similar to T. aerophila; however, it presents a higher density of fibulae in 10 μm (12-16 versus 9-11) and lacks the longitudinal axial area formed by the interruption in the striae observed in the referred species (Cavalcante et al 2013). The species was originally described for brackish waters (Cholnoky 1961) however, it has already been found in freshwaters in northeastern Brazil (Cavalcante et al 2013).…”

Section: Discussionmentioning

confidence: 97%

“…Taxa identification followed classic and modern literature such as Bailey (1850), Smith (1853), Grunow (1862Grunow ( , 1880, Cleve & Grunow (1880), Van Heurck (1880-1881, 1986), Kützing (1844), Pritchard (1861), Hustedt (1930), Frenguelli (1942), Cholnoky (1961), Peragallo & Peragallo (1897-1908, Krammer & Lange-Bertalot (1988), Hartley (1996), Witkowski et al (2000), Metzeltin et al (2005), Cavalcante et al (2013) and Bertolli et al (2019). Morphological terminology for the descriptions followed Hendey (1964), Anonymous (1975), Barber & Haworth (1981) and Round et al (1990).…”

Section: Methodsmentioning

confidence: 99%

“…It is estimated that Tryblionella comprises 134 specific and infraspecific taxa, of which only 75 are taxonomically accepted (Guiry & Guiry 2019). Twenty-three species have been recorded in Brazil, the majority in the southern region (Cavalcante et al 2013, Eskinazi-Leça et al 2015, Bertolli et al 2019. In the State of Rio Grande do Sul there is a higher concentration of studies in the Central Depression freshwaters and a few species have been registered in the Coastal Plain (Torgan et al 1999, Bes & Torgan 2008.…”

Section: Introductionmentioning

confidence: 99%

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The genus Tryblionella W. Smith (Bacillariaceae, Bacillariophyta) in southern Brazil salt marshes

et al. 2020

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Tryblionella is a large epipelic genus, widespread from fresh to marine waters. Most of the studies including the genus are based only in light microscopy. Few recent studies are exclusively dedicated to Tryblionella and the ultrastructure of some species is still little known. In this paper we present eleven species of Tryblionella found in epiphyton and microphytobenthos in Patos Lagoon salt marshes. All the species are described, illustrated in light and scanning electron microscopy and comments about their taxonomy, distribution and ecology are provided. Two taxa are reported for the first time in the State of Rio Grande do Sul and one in Southern Brazil. The number of species registered in this study comprises nearly a half of the number of species registered in the country. The high richness observed may be related to the dynamics of the salt marshes, which provides both the mixing of fresh and marine waters communities and the diversity of microhabitats. The great variability among the species analyzed allowed to extend the general concept of Tryblionella, adding features which were not considered in the previous characterizations of the genus.

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Section: Discussionmentioning

confidence: 97%

Section: Methodsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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The genus Tryblionella W. Smith (Bacillariaceae, Bacillariophyta) in southern Brazil salt marshes

et al. 2020

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“…Os trabalhos que ilustram e descrevem a morfologia das espécies da família em ambientes de água doce no Brasil estão concentrados na região sul do país (Garcia-Baptista 1993, Bes & Torgan 2008, 2010a, 2010b, Cavalcante et al 2013e Bertolli et al 2016. Bacillariaceae é um grupo taxonômico presente em amostras de ambientes brasileiros que vão desde águas marinhas, manguezais até a água doce, onde vivem como plânctôn, perifíton e nos sedimentos (Round et al 1990), mas, ainda não há uma contribuição publicada tratando exclusivamente da família para as águas doces das demais regiões do Brasil.…”

Section: Introductionunclassified

Criptógamos do Parque Estadual das Fontes do Ipiranga, São Paulo, SP. Algae, 46: Bacillariophyceae (Bacillariaceae)

Lehmkuhl¹,

Bicudo²

2021

Hoehnea

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RESUMO Criptógamos do Parque Estadual das Fontes do Ipiranga, São Paulo, SP. Algae 46: Bacillariophyceae (Bacillariaceae). O levantamento florístico da família Bacillariaceae (Bacillariophyceae) foi realizado para a área do Parque Estadual das Fontes do Ipiranga, São Paulo, Brasil, com base em 28 unidades amostrais. O exame do material do ponto de vista morfológico foi realizado ao microscópio óptico após oxidação e confecção de lâminas permanentes. Quatro gêneros, 27 espécies e três variedades que não são as típicas de suas respectivas espécies foram identificados. Nove desses táxons foram registrados pioneiramente para o Estado de São Paulo [Nitzschia acicularis Hustedt, N. acidoclinata Lange-Bertalot, N. clausii Hantzsch, N. dissipata (Kützing) Rabenhorst, N. intermedia Hantzsch, N. palea (Kützing) W. Smith var. tenuirostris Grunow, N. subacicularis Hustedt, Tryblionella debilis Arnott ex O’Meara e T. victoriae Grunow] e dois para o Brasil [Grunowia solgensis (Cleve-Euler) Aboal e N. dissipata (Kützing) Rabenhorst var. borneensis Kützing]. Todo material foi identificado com base em amostras populacionais, descrito através de suas características morfológicas e medidas e ilustrado por fotomicrografias.

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Denticula, Hantzschia and Tryblionella (Bacillariaceae, Bacillariophyta) from northwestern Ceará freshwaters

2023

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Diatoms constitute a representative portion of the algal community of freshwater aquatic environments, but their studies are centered mostly in the south and southern regions of Brazil, making the microalgae biodiversity of water bodies in the semiarid practically unknown. In the state of Ceará, the few records of the Bacillariaceae are centered in the southern region of the state and are generally not identified at specific level. Denticula, Hantzschia, and Tryblionella are worldwide distributed diatom genera that belong to the family Bacillariaceae. The group is characterized by raphe located on a channel, internally supported by silica extensions, the fibulae. This is a taxonomic study on the genera Denticula, Hantzschia, and Tryblionella found in water bodies in northwestern Ceará state. Planktonic and periphytic samples were collected in four hydrographic basins, which are influenced by the semiarid climate, located in northwestern Ceará, northeastern Brazil. Fourteen infrageneric taxa were identified, described, and illustrated, all being pioneer citations for Ceará. The present study highlighted the underestimated diversity of diatoms in the semiarid region of Ceará and the need to cover undersampled or never explored regions to significantly contribute to the knowledge of the diatom flora and its distribution in Brazilian aquatic environments.

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Tryblionella persuadens comb. nov. (Bacillariaceae, Diatomeae): new observations on frustule morphology of a seldom recorded diatom

Cited by 3 publications

References 7 publications

The genus Tryblionella W. Smith (Bacillariaceae, Bacillariophyta) in southern Brazil salt marshes

The genus Tryblionella W. Smith (Bacillariaceae, Bacillariophyta) in southern Brazil salt marshes

Criptógamos do Parque Estadual das Fontes do Ipiranga, São Paulo, SP. Algae, 46: Bacillariophyceae (Bacillariaceae)

Denticula, Hantzschia and Tryblionella (Bacillariaceae, Bacillariophyta) from northwestern Ceará freshwaters

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