Results 121 to 130 of about 435 (140)

POLYPHYLETIC ORIGIN OF THE DICTYOSPHAERIUM MORPHOTYPE WITHIN CHLORELLACEAE (TREBOUXIOPHYCEAE)¹

Journal of Phycology, 2010
The green algal Dictyosphaerium morphotype is characterized by spherical or oval cells connected by gelatinized strands to microscopic colonies, which are covered by prominent mucilaginous envelopes. Combined SSU and ITS rRNA gene sequence analyses revealed that this morphotype evolved independently both in the Chlorella and Parachlorella clades of the
Lothar Krienitz, Christina Böck, Wei Luo, Thomas Pröschold   +3 more
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A new genus of soil green microalgae Edaphochloris gen. nov. (Chlorellaceae, Trebouxiophyceae)

Issues of modern algology (Вопросы современной альгологии), 2022
The problem of studying the species diversity of small single-celled green coccoid microalgae (Chlorophyta) is still relevant, since their simple and uniform cellular morphology makes it extremely difficult to correctly identify them. It is now generally accepted that the best approach for creating a new, more natural classification of “little green ...
Anna D. Temraleeva, Elena S. Krivina, Olga N. Boldina   +2 more
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Immunoactive polysaccharides produced by heterotrophic mutant of green microalga Parachlorella kessleri HY1 (Chlorellaceae)

Carbohydrate Polymers, 2020
Hot water extract from biomass of heterotrophic mutant green alga Parachlorella kessleri HY1 (Chlorellaceae) was deproteinised, and three polysaccharidic fractions were obtained by preparative chromatography. The low-molecular fraction (1.5 × 104g mol-1) was defined mainly as branched O-2-β-xylo-(1→3)-β-galactofuranan where xylose is partially ...
Sushytskyi, L., Lukáč, P. (Pavol), Synytsya, A., Bleha, R., Rajsiglová, L. (Lenka), Capek, P., Pohl, R. (Radek), Vannucci, L. (Luca), Čopiková, J., Kaštánek, P.   +9 more
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Effect of altered nitrogen partial pressure on Chlorellaceae for spaceflight applications

Algal Research, 2019
Abstract Algal-based photobioreactors offer a promising bioregenerative technology that can perform the functions of air revitalization, water recycling, and food production in a human spacecraft life support system. In order to assess their performance in this context, this study exposed a non-axenic green algal culture (Chlorellacea) to an ...
Tobias Niederwieser, Patrick Kociolek, Alexander Hoehn, David Klaus   +3 more
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New species Micractinium kostikovii (Chlorellaceae, Trebouxiophyceae) from Russia

Phycological Research, 2021
SUMMARYCorrectly identifying species of Chlorella‐like microalgae is difficult because of their morphological simplicity and high phenotypic plasticity. The use of molecular tools has revolutionized research on algal diversity, enabling such advances as the discovery of numerous new taxa. This article presents the results of a study of strains that are
Elena Krivina, Anna Temraleeva, Maria Sinetova   +2 more
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Late type of daughter cell wall synthesis in one of the Chlorellaceae, Parachlorella kessleri (Chlorophyta, Trebouxiophyceae)

Planta, 2005
Autosporulation is a common mode of propagation for unicellular algae. Autospore-forming species of Chlorellaceae, Chlorella vulgaris Beijerinck, C. sorokiniana Shihira et Krauss, C. lobophora Andreyeva, and Parachlorella kessleri (Fott et Nováková) Krienitz et al. have glucosamine as the main constituent of their rigid cell wall.
Maki, Yamamoto, Ippei, Kurihara, Shigeyuki, Kawano   +2 more
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Phylogenic Diversity and Taxonomic Problems of the Dictyosphaerium Morphotype within the Parachlorella Clade (Chlorellaceae, Trebouxiophyceae)

Journal of Eukaryotic Microbiology, 2017
AbstractThe Parachlorella clade was put forward as a group within the family Chlorellaceae in 2004. Recent molecular analyses have revealed that Dictyosphaerium morphotype algae form several independent lineages within the Parachlorella clade, and new genera and species have been established.
Huiyin Song, Qinghua Wang, Xudong Liu, Yuxin Hu, Jijian Long, Guoxiang Liu, Zhengyu Hu   +6 more
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Carolibrandtia nom. nov. as a replacement name for Brandtia Hoshina (Chlorellaceae, Trebouxiophyceae)

Phycological Research, 2018
SUMMARYRecently, the genus name Brandtia Hoshina was given for a chlorellacean symbiotic alga residing in some ciliate species. However, it was found that Brandtia Hoshina 2017 is an illegitimate later homonym of Brandtia Kunth 1831. Therefore, a replacement name, Carolibrandtia nom. nov., for Brandtia Hoshina is here proposed.
Ryo Hoshina, Takashi Nakada
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Phytohormone effects on cell division inChlorella pyrenoidosa chick (TX-7-11-05) (chlorellaceae)

Journal of Plant Growth Regulation, 1987
Phytohormone effects on cell division of synchronous cultures ofChlorella pyrenoidosa (TX-7-11-05) were studied under different photo flux densities. The time required for initiation of incipient cell division was reduced significantly by treatment with kinetin (6-furfurylaminopurine), gibberellic acid, and indole-3-acetic acid.
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Zur Morphologie and Taxonomie einiger Bodenalgen (Unterfamilie Scotiellocystoideae, Chlorellaceae) aus der Algensarnm1ung in Innsbruck (ASIB, Austria)

Archiv für Protistenkunde, 1993
Summary Members of the subfamily Scotiellocystoideae FOTT 1976 are often found in terrestrial habitats and characterized by their sculptured cell wall with meridional ribs. Six isolates of the genera Scotiellopsis, Coelastrella and Graesiella from the culture collection of algae at the university of Innsbruck (Austria) have been investigated with
Georg Gärtner, Elisabeth Ingolić
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