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Journal articles on the topic 'Klebsormidium nitens'

Author: Grafiati

Published: 7 December 2024

Last updated: 31 July 2025

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1

Škaloud, Pavel, Alena Lukešová, Veronica Malavasi, David Ryšánek, Kristýna Hrčková, and Fabio Rindi. "Molecular evidence for the polyphyletic origin of low pH adaptation in the genus Klebsormidium (Klebsormidiophyceae, Streptophyta)." Plant Ecology and Evolution 147, no. (3) (2014): 333–45. https://doi.org/10.5091/plecevo.2014.989.

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<b>Background and aims</b> – Algae living in low pH environments have been the subject of numerous studies, but their phylogenetic relationships with relatives found in non-acidic habitats are poorly known. In the present study we analyzed the morphology and phylogeny of acid-adapted strains of <i>Klebsormidium</i>, a genus of filamentous green algae frequently present in low pH environments. <b>Methods</b> – Eighteen strains of <i>Klebsormidium</i> were collected from from low pH habitats in Europe and U.S.A., mainly from terrestrial sites affected directly or indirectly by carbon mining acti

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2

Valchev, Dobril, Irina Ribarova, Blagoy Uzunov, and Maya Stoyneva-Gärtner. "Photo-sequencing batch reactor with Klebsormidium nitens: a promising microalgal biotechnology for sustainable phosphorus management in wastewater treatment plants." Water Science and Technology 83, no. 10 (2021): 2463–76. http://dx.doi.org/10.2166/wst.2021.149.

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Abstract This study aims at improving the existing algal-based wastewater treatment technologies by overcoming some of the major drawbacks of these systems such as large required land area, culture contamination, and energy-intensive algal harvesting. The experiments were carried out in an open photo-sequencing batch reactor at a laboratory-scale for nearly 2 months. A specific strain ACUS00207 of the aeroterrestrial green microalga Klebsormidium nitens (Kützing) Lokhorst was used. The strain is native to Bulgaria and belongs to a species that has never been used before in suspended growth sys

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3

Petlyovana, V., and Chen Minglei. "Purification of microalgae crops of ACKU collection from fungal contaminants." Bulletin of Taras Shevchenko National University of Kyiv. Series: Biology 83, no. 4 (2020): 29–32. http://dx.doi.org/10.17721/728_2748.2020.83.29-32.

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The work is focused to the selection of the best purification methods of microalgae strains from ACKU collection (Algae Culture Collection of Kyiv University) from contamination by microscopic fungi. The screening of microalgae culture collection ACKU (Algae Culture Collection of Kyiv University) is deal. Contamination of some microalgae strains by fungi of Cladosporium Link, Alternaria Nees, and Monilia Bonord genera was detected. The following strains were selected for the experiment: ACKU 139-02 (Klebsormidium flaccidum (Kütz.) PC Silva, Mattox et Blackwell), ACKU 293-04 (Acutodesmus obliqu

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4

Allaguvatova, Rezeda Z., Arthur Yu Nikulin, Vyacheslav Yu Nikulin, Veronika B. Bagmet, and Lira A. Gaysina. "Study of Biodiversity of Algae and Cyanobacteria of Mutnovsky and Gorely Volcanoes Soils (Kamchatka Peninsula) Using a Polyphasic Approach." Diversity 14, no. 5 (2022): 375. http://dx.doi.org/10.3390/d14050375.

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Volcanic activity has a significant influence on the development of terrestrial ecosystems, including the Kamchatka Peninsula. We aimed to study the terrestrial algoflora of the Mutnovsky and Gorely volcanoes based on the use of clonal cultures of algae and cyanobacteria, and phenotypic and molecular genetic analyses. A total of 48 taxa were identified: 9 cyanobacteria, 32 Chlorophyta (11 Chlorophyceae, 21 Trebouxiophyceae), 3 Ochrophyta, and 4 Charophyta. In soils of the Mutnovsky volcano, 30 taxa were found, and in soils of the Gorely volcano, 24 were observed. In the studied area, small coc

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5

Ohtaka, Kinuka, Koichi Hori, Yuri Kanno, Mitsunori Seo, and Hiroyuki Ohta. "Primitive Auxin Response without TIR1 and Aux/IAA in the Charophyte Alga Klebsormidium nitens." Plant Physiology 174, no. 3 (2017): 1621–32. http://dx.doi.org/10.1104/pp.17.00274.

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6

Takano, Hiroyoshi, Takashi Tsunefuka, Susumu Takio, Hayato Ishikawa, and Katsuaki Takechi. "Visualization of Plastid Peptidoglycan in the Charophyte Alga Klebsormidium nitens Using a Metabolic Labeling Method." CYTOLOGIA 83, no. 4 (2018): 375–80. http://dx.doi.org/10.1508/cytologia.83.375.

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7

Valchev, Dobril, Irina Ribarova, Blagoy Uzunov, Maya Stoyneva-Gärtner, and Valentina Lyubomirova. "Reclamation Potential of Onsite Wastewater Post-Treatment with Microalgae: Chemical Elements Perspective." Processes 11, no. 6 (2023): 1819. http://dx.doi.org/10.3390/pr11061819.

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Algae-based wastewater treatment is a promising technology with various applications for excess biomass such as biofertilizer production or valuable elements extraction. The benefits of the technology have been discussed for larger wastewater treatment plants (WWTPs), but the use of microalgae in decentralized wastewater treatment has been barely reported. The current study screens the possible resource recovery potential of onsite technology, which adds algae-based post-treatment to the conventional biological treatment of domestic wastewater. The effluent from the onsite sequencing batch rea

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8

Segura-Morales, F. J., A. Molina-Miras, M. C. Cerón-García, et al. "Unveiling potential of promising filamentous microalga Klebsormidium cf. nitens: Shear stress resilience and carotenoid-fatty acid dynamics in tubular photobioreactor." Bioresource Technology 407 (September 2024): 131147. http://dx.doi.org/10.1016/j.biortech.2024.131147.

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9

Yang, Kim, Kim, and Suh. "Functional Characterization of Physcomitrella patens Glycerol-3-Phosphate Acyltransferase 9 and an Increase in Seed Oil Content in Arabidopsis by Its Ectopic Expression." Plants 8, no. 8 (2019): 284. http://dx.doi.org/10.3390/plants8080284.

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Since vegetable oils (usually triacylglycerol [TAG]) are extensively used as food and raw materials, an increase in storage oil content and production of valuable polyunsaturated fatty acids (PUFAs) in transgenic plants is desirable. In this study, a gene encoding glycerol-3-phosphate acyltransferase 9 (GPAT9), which catalyzes the synthesis of lysophosphatidic acid (LPA) from a glycerol-3-phosphate and acyl-CoA, was isolated from Physcomitrella patens, which produces high levels of very-long-chain PUFAs in protonema and gametophores. P. patens GPAT9 shares approximately 50%, 60%, and 70% amino

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10

Kondakova, L. V., N. V. Syrchina, and I. A. Kondakova. "Soil algocyanoflora specificity under anthropogenic pressure." Theoretical and Applied Ecology, no. 1 (March 25, 2025): 202–9. https://doi.org/10.25750/1995-4301-2024-4-202-209.

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Algocyanoflora is an important component of soil microbiota. Anthopogenic pressure causes considerable transformation of natural microbiological communities. Thus there are certain negative consequences. We compare the microphototroph species content in soils differ in the character of the anthropogenic pressure: site 1 – nature reserve soils; site 2 – technogenic soils; site 3 – soils used in agricultural holdings, farms. As a result the richest microphototrophic species composition was in nature reserve soils. Soil management and heavy fertilizing with swine manure slurry decreased microphot

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11

Kuroiwa, Tsuneyoshi, Mio Ohnuma, Yuuta Imoto, and Haruko Kuroiwa. "Lipid Droplet Formation in Cells of the Filamentous Green Alga Klebsormidium nitens as Revealed by BODIOY-DiOC6 and BODIPY-Nile Red Double-Staining Microscopy." CYTOLOGIA 79, no. 4 (2014): 501–7. http://dx.doi.org/10.1508/cytologia.79.501.

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12

Solis, Celymar Angela, Miing-Tiem Yong, Meixue Zhou, et al. "Evolutionary Significance of NHX Family and NHX1 in Salinity Stress Adaptation in the Genus Oryza." International Journal of Molecular Sciences 23, no. 4 (2022): 2092. http://dx.doi.org/10.3390/ijms23042092.

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Rice (Oryza sativa), a staple crop for a substantial part of the world’s population, is highly sensitive to soil salinity; however, some wild Oryza relatives can survive in highly saline environments. Sodium/hydrogen antiporter (NHX) family members contribute to Na+ homeostasis in plants and play a major role in conferring salinity tolerance. In this study, we analyzed the evolution of NHX family members using phylogeny, conserved domains, tertiary structures, expression patterns, and physiology of cultivated and wild Oryza species to decipher the role of NHXs in salt tolerance in Oryza. Phylo

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13

Kondakova, L. V., N. V. Syrchina, L. V. Pilip, and I. A. Kondakova. "Manure runoff impact on soil phototrophic microorganisms." Theoretical and Applied Ecology, no. 2 (June 26, 2023): 190–97. http://dx.doi.org/10.25750/1995-4301-2023-2-190-197.

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Soil phototrophic microorganisms (algae, cyanobacteria) play a very important role in functioning of anthropogenic systems. They take an active part in soil self-purification by directly absorbing biogenic elements, as well as by stimulating the activity of mineralizing microorganisms at the expense of disengaged oxygen. The research was carried out at a plough field with sod-podzol soil situated near a large pig-breeding farm. Neutralization took place due to natural microbiological processes during the time of disgorging the liquid fraction in the lagoons. Long-term application of manure run

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14

Chatelain, Pauline, Cécile Blanchard, Jeremy Astier, et al. "Reliable reference genes and abiotic stress marker genes in Klebsormidium nitens." Scientific Reports 12, no. 1 (2022). http://dx.doi.org/10.1038/s41598-022-23783-9.

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AbstractMicroalgae have recently emerged as a key research topic, especially as biological models. Among them, the green alga Klebsormidium nitens, thanks to its particular adaptation to environmental stresses, represents an interesting photosynthetic eukaryote for studying the transition stages leading to the colonization of terrestrial life. The tolerance to different stresses is manifested by changes in gene expression, which can be monitored by quantifying the amounts of transcripts by RT-qPCR. The identification of optimal reference genes for experiment normalization was therefore necessa

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15

Sharma, Sunita, Avinash Kumar Gautam, Rajani Singh, Samudrala Gourinath, and Suneel Kateriya. "Unusual photodynamic characteristics of the light‐oxygen‐voltage domain of phototropin linked to terrestrial adaptation of Klebsormidium nitens." FEBS Journal, September 29, 2024. http://dx.doi.org/10.1111/febs.17284.

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Phototropin (Phot), a blue light‐sensing LOV domain protein, mediates blue light responses and is evolutionarily conserved across the green lineage. Klebsormidium nitens, a green terrestrial alga, presents a valuable opportunity to study adaptive responses from aquatic to land habitat transitions. We determined the crystal structure of Klebsormidium nitens Phot LOV1 domain (KnLOV1) in the dark and engineered different mutations (R60K, Q122N, and D33N) to modulate the lifetime of the photorecovery cycle. We observed unusual, slow recovery kinetics in the wild‐type KnLOV1 domain (τ = 41 ± 3 min)

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16

Tounosu, Noriaki, Kanami Sesoko, Koichi Hori, Mie Shimojima, and Hiroyuki Ohta. "Cis-regulatory elements and transcription factors related to auxin signaling in the streptophyte algae Klebsormidium nitens." Scientific Reports 13, no. 1 (2023). http://dx.doi.org/10.1038/s41598-023-36500-x.

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AbstractThe phytohormone auxin affects numerous processes in land plants. The central auxin signaling machinery, called the nuclear auxin pathway, is mediated by its pivotal receptor named TRANSPORT INHIBITOR RESPONSE 1/AUXIN SIGNALING F-BOX (TIR1/AFB). The nuclear auxin pathway is widely conserved in land plants, but auxin also accumulates in various algae. Although auxin affects the growth of several algae, the components that mediate auxin signaling have not been identified. We previously reported that exogenous auxin suppresses cell proliferation in the Klebsormidium nitens that is a membe

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17

Wang, Yuzhu Z., Koki Natsume, Tatsuki Tanaka, et al. "Cryo-EM structure of a blue-shifted channelrhodopsin from Klebsormidium nitens." Nature Communications 16, no. 1 (2025). https://doi.org/10.1038/s41467-025-59299-9.

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18

Frascogna, Federica, Benjamin Ledermann, Jana Hartmann, et al. "On the evolution of the plant phytochrome chromophore biosynthesis." Plant Physiology, June 13, 2023. http://dx.doi.org/10.1093/plphys/kiad327.

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Abstract Phytochromes are biliprotein photoreceptors present in plants, algae, certain bacteria and fungi. Land plant phytochromes use phytochromobilin (PΦB) as the bilin chromophore. Phytochromes of streptophyte algae, the clade within which land plants evolved, employ phycocyanobilin (PCB), leading to a more blue-shifted absorption spectrum. Both chromophores are synthesized by ferredoxin-dependent bilin reductases (FDBRs) starting from biliverdin IXα (BV). In cyanobacteria and chlorophyta, BV is reduced to PCB by the FDBR phycocyanobilin:ferredoxin oxidoreductase (PcyA), whereas, in land pl

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19

Zhong, Ruiqin, Earle R. Adams, and Zheng-Hua Ye. "Ancient origin of acetyltransferases catalyzing O-acetylation of plant cell wall polysaccharides." Plant And Cell Physiology, June 25, 2024. http://dx.doi.org/10.1093/pcp/pcae070.

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Abstract Members of the domain of unknown function 231 (DUF231)/trichome birefringence-like (TBL) family have been shown to be O-acetyltransferases catalyzing the acetylation of plant cell wall polysaccharides, including pectins, mannan, xyloglucan and xylan. However, little is known about the origin and evolution of plant cell wall polysaccharide acetyltransferases. Here, we investigated the biochemical functions of TBL homologs from Klebsormidium nitens, a representative of an early divergent class of charophyte green algae that are considered to be the closest living relatives of land plant

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20

Tashiro, Rintaro, Kumari Sushmita, Shoko Hososhima, et al. "Specific residues in the cytoplasmic domain modulate photocurrent kinetics of channelrhodopsin from Klebsormidium nitens." Communications Biology 4, no. 1 (2021). http://dx.doi.org/10.1038/s42003-021-01755-5.

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AbstractChannelrhodopsins (ChRs) are light-gated ion channels extensively applied as optogenetics tools for manipulating neuronal activity. All currently known ChRs comprise a large cytoplasmic domain, whose function is elusive. Here, we report the cation channel properties of KnChR, one of the photoreceptors from a filamentous terrestrial alga Klebsormidium nitens, and demonstrate that the cytoplasmic domain of KnChR modulates the ion channel properties. KnChR is constituted of a 7-transmembrane domain forming a channel pore, followed by a C-terminus moiety encoding a peptidoglycan binding do

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21

Nobusawa, Takashi, Yuko Sasaki-Sekimoto, Hiroyuki Ohta, and Makoto Kusaba. "The WSD-type wax ester synthase is widely conserved in streptophytes and crucial for floral organ formation under high humidity in land plants." Journal of Plant Research, April 1, 2025. https://doi.org/10.1007/s10265-025-01628-6.

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Abstract Cuticular waxes are a complex mixture of long-chain aliphatic compounds, including alkanes, aldehydes, alcohols, ketones, and esters, that cover the outer surface of most terrestrial plants. While cuticular waxes play a pivotal role in plant adaptation to various environmental stresses, the specific roles of individual molecular species, particularly wax esters (WEs), remain poorly understood. In this study, we investigate the evolution and function of wax ester biosynthesis in land plants, focusing on the WSD (wax synthase/DGAT) enzyme family. We demonstrate that the ancestral origin

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22

Chatelain, Pauline, Jeremy Astier, David Wendehenne, Claire Rosnoblet, and Sylvain Jeandroz. "Identification of Partner Proteins of the Algae Klebsormidium nitens NO Synthases: Toward a Better Understanding of NO Signaling in Eukaryotic Photosynthetic Organisms." Frontiers in Plant Science 12 (December 22, 2021). http://dx.doi.org/10.3389/fpls.2021.797451.

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In animals, NO is synthesized from L-arginine by three isoforms of nitric oxide synthase (NOS) enzyme. NO production and effects have also been reported in plants but the identification of its sources, especially the enzymatic ones, remains one of the critical issues in the field. NOS-like activities have been reported, although there are no homologs of mammalian NOS in the land plant genomes sequenced so far. However, several NOS homologs have been found in algal genomes and transcriptomes. A first study has characterized a functional NOS in the chlorophyte Ostreococcus tauri and the presence

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23

Arzac, Miren Irati, Jon Miranda‐Apodaca, Francisco Gasulla, María Arce‐Guerrero, Beatriz Fernández‐Marín, and José Ignacio García‐Plazaola. "Acquisition of Desiccation Tolerance Unveiled: Polar Lipid Profiles of Streptophyte Algae Offer Insights." Physiologia Plantarum 175, no. 6 (2023). http://dx.doi.org/10.1111/ppl.14073.

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AbstractTerrestrialization by photosynthetic eukaryotes took place in the two branches of green microalgae: Chlorophyta and Charophyta. Within the latter, the paraphyletic streptophytic algae divide into two clades. These are named Klebsormidiophyceae‐Chlorokybophyceae‐Mesostigmatophyceae (KCM), which is the oldest, and Zygnematophyceae‐Coleochaetophyceae‐Charophyceae (ZCC), which contains the closest relatives of vascular plants. Terrestrialization required the emergence of adaptations in response to new challenges, such as irradiance, temperature oscillations and water deprivation. In this s

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24

Slawinski, Lucie, Abir Israel, Caroline Paillot, et al. "Early Response to Dehydration Six-Like Transporter Family: Early Origin in Streptophytes and Evolution in Land Plants." Frontiers in Plant Science 12 (September 6, 2021). http://dx.doi.org/10.3389/fpls.2021.681929.

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Carbon management by plants involves the activity of many sugar transporters, which play roles in sugar subcellular partitioning and reallocation at the whole organism scale. Among these transporters, the early response to dehydration six-like (ESL) monosaccharide transporters (MSTs) are still poorly characterized although they represent one of the largest sugar transporter subfamilies. In this study, we used an evolutionary genomic approach to infer the evolutionary history of this multigenic family. No ESL could be identified in the genomes of rhodophytes, chlorophytes, and the brown algae E

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