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22 results for “Cyanophyceae”
Fig. 7 in A study of six newly recorded species of cyanobacteria (Cyanophyceae, Cyanophyta) in Korea
Fig. 7. Microscopic photographs of Rhabdoderma lineare Schmidle and Lauterborn (arrow) of the cultured samples from algal culture collection at Kyonggi University. Scale bars represent 10 μm.
Fig. 6 in A study of six newly recorded species of cyanobacteria (Cyanophyceae, Cyanophyta) in Korea
Fig. 6. Microscopic photographs of Pseudanabaena arcuata (Skuja) Anagnostidis and Komárek (arrow) of the cultured samples from algal culture collection at Kyonggi University. Scale bars represent 10 μm.
Fig. 4 in A study of six newly recorded species of cyanobacteria (Cyanophyceae, Cyanophyta) in Korea
Fig. 4. Microscopic photographs of Chamaesiphon amethystinus (Rostafinski) Lemmermann (arrow) of the cultured samples from algal culture collection at Kyonggi University. Scale bars represent 10 μm.
Fig. 2 in A study of six newly recorded species of cyanobacteria (Cyanophyceae, Cyanophyta) in Korea
Fig. 2. Microscopic photographs of Capsosira brebissonii Kützing ex Bornet and Flahault, taken from the fixed samples. Scale bars represent 10 μm.
Fig. 1. A in A study of six newly recorded species of cyanobacteria (Cyanophyceae, Cyanophyta) in Korea
Fig. 1. A map showing the sampling sites (st) for bluegreen algae from Aug. 2009 to Oct. 2015.
FIGURE 3 in Polyphasic characterization of Stigonema dinghuense, sp. nov. (Cyanophyceae, Nostocophycidae, Stigonemaceae), from Dinghu Mountain, south China
FIGURE 3. Maximum likelihood (ML) phylogenetic tree of cyanobacteria based on 16S rRNA sequences (928 bp) representing the current GenBank data on heterocytous cyanobacteria. Bootstrap values greater than 50% with distance/ parsimony methods are indicated at the nodes in this form: NJ/ML/Bayers. Sequences from GenBank are indicated by accession numbers. The main clades are indicated by numbers. Sequences from this study are denoted with solid circles.
FIGURE 5 in Polyphasic characterization of Stigonema dinghuense, sp. nov. (Cyanophyceae, Nostocophycidae, Stigonemaceae), from Dinghu Mountain, south China
FIGURE 5. Maximum likelihood (ML) phylogenetic tree of cyanobacteria based on rbcLX nucleic sequences (769 bp) representing the current GenBank data on heterocytous cyanobacteria. Bootstrap values greater than 50% with distance/ parsimony methods are indicated at the nodes in this form: NJ/ML/Bayers. Sequences from GenBank are indicated by accession numbers. Sequences from this study are denoted with solid circles.
FIGURE 4 in Polyphasic characterization of Stigonema dinghuense, sp. nov. (Cyanophyceae, Nostocophycidae, Stigonemaceae), from Dinghu Mountain, south China
FIGURE 4. Maximum likelihood (ML) phylogenetic tree of cyanobacteria based on nifH nucleic sequences (205 bp) representing the current GenBank data on heterocytous cyanobacteria. Bootstrap values greater than 50% with distance/ parsimony methods are indicated at the nodes in this form: NJ/ML/Bayers. Sequences from GenBank are indicated by accession numbers. Sequences from this study are denoted with solid circles.
FIGURE 2 in Polyphasic characterization of Stigonema dinghuense, sp. nov. (Cyanophyceae, Nostocophycidae, Stigonemaceae), from Dinghu Mountain, south China
FIGURE 2. Microphotographs by fluorescence microscope of a free living filament. A. No filter. B. Using the channel for chlorophyll a. C. Using the channel for phycocyanobilin. D. Using the channel for phycoerythrobilin. Scale bar = 50 μm.
FIGURE 1 in Polyphasic characterization of Stigonema dinghuense, sp. nov. (Cyanophyceae, Nostocophycidae, Stigonemaceae), from Dinghu Mountain, south China
FIGURE 1. Main characteristics of Stigonema dinghuense. A. Habit of thallus, B. Mature filaments. C. Lateral branches. D. Hormogonia. Scale bars: 200 μm (A), 50 μm (B, C), and 20 μm (D).
FIGURE 7 in Taxonomic revision of Ulva montana (Lightfoot 1777) and description of a new genus of Lightfootiella (Cyanophyceae, Chroococcaceae)
FIGURE 7. Secondary structures of 16-23S ITS regions of Lightfootiella montana and other chroococcalean cyanobacteria. A–G. D1- D1´helices. H–N. B-box helices. A, H. Lightfootiella montana. B, I. Gloeocapsa sp. C, J. Gloeocapsa sp. AICB1013. D, K. Uncultured Chroococcidiopsis sp. clone AR1_3. E, L. Uncultured Chroococcidiopsis sp. clone NA1 4. F, M. Chroococcidiopsis thermalis PCC 7203. G, N. Gloeocapsopsis crepidinum BDU 20121.
FIGURE 5 in Taxonomic revision of Ulva montana (Lightfoot 1777) and description of a new genus of Lightfootiella (Cyanophyceae, Chroococcaceae)
FIGURE 5. Morphological variability of Gloeocapsopsis magma. A. Fresh material from Norway, collected by Chris Carter 2017. B. Rupture of mature colony consisted of subcolonies. C. Rupture of individual colony. D, E. Liberation of arthrospores. F. Rupture of small colony and liberation of individual cells without mucilaginous envelopes. G, H. Liberated arthrospores. I–L. Developmental stages of colonies. M. Desiccated type material by Brébisson 1841. Scale bars: 10 μm.
FIGURE 2 in Taxonomic revision of Ulva montana (Lightfoot 1777) and description of a new genus of Lightfootiella (Cyanophyceae, Chroococcaceae)
FIGURE 2. Lightfootiella montana, status familiaris lamellosus and status perdurans, fresh material originating from Ben Eighe, collected by Pentecost 2016. A–C. Formation of young colonies. D. Disintegration and gelatinization of the mucilaginous surface layers. E. released and divided cell without mucilaginous envelopes. F. Disintegrated colony. G. Rupture of outer mucilage layers. H. Aggregation of colonies into flattened thick layer. I. Formation of diffluent mucilage. J. Colony disintegration. K. Disintegration of large colony. A, B,D–K. Status familiaris lamellosus. C. Status perdurans. * diffluent mucilage, + sparsely stratified mucilage envelopes with red-orange granules, ++ densely stratified mucilage envelopes with red-orange granules. Scale bar: 10 μm.
FIGURE 3 in Taxonomic revision of Ulva montana (Lightfoot 1777) and description of a new genus of Lightfootiella (Cyanophyceae, Chroococcaceae)
FIGURE 3. Life cycle and reproduction of Lightfootiella montana. A. Growth and disintegration of small colonies. B. Gelatinization and disintegration of colonies within population. C. Formation of population consisting of individual sub-colonies covered by layered and diffluent mucilage envelopes. Scale bar: 10 μm.
FIGURE 1 in Taxonomic revision of Ulva montana (Lightfoot 1777) and description of a new genus of Lightfootiella (Cyanophyceae, Chroococcaceae)
FIGURE 1. Desiccated type material of Lightfootiella montana, status familiaris lamellosus, collected by Lightfoot 1777 at Isle of Skye. A. sample under magnification of 400×. B–D. Sample under magnification of 1000×. * diffluent mucilage, + sparsely stratified mucilage envelopes with red-orange granules, ++ densely stratified mucilage envelopes with red-orange granules. Scale bars: 10 μm.
FIGURE 6 in Taxonomic revision of Ulva montana (Lightfoot 1777) and description of a new genus of Lightfootiella (Cyanophyceae, Chroococcaceae)
FIGURE 6. Position of Lightfootiella montana in the phylogenetic tree based on maximum likelihood topology. The bootstrap support values are in order as follows: Bayesian inference, maximum likelihood and maximum parsimony. Only values higher than 50% are presented, asterisk represents 100% bootstrap value.
FIGURE 4 in Taxonomic revision of Ulva montana (Lightfoot 1777) and description of a new genus of Lightfootiella (Cyanophyceae, Chroococcaceae)
FIGURE 4. Line drawings of Lightfootiella montana holotype and putative or similar specimens published in 19th and beginning of 20th century. A. Ulva montana (Lightfoot 1777). B. Palmella alpicola (Lyngbye 1819). C. Sorospora montana (Hassall 1845). D. Palmella alpicola (Wille 1918). E. Protococcus magma Brébisson 1835. F. Gloeocapsa shuttlerworthiana (Kützing 1843). G. Gloeocapsa shuttlerworthiana (Getler 1932).
FIGURE 3 in Morphological and Molecular Characterization of Brasilonema roberti-lamii (Cyanophyceae, Nostocales, Scytonemataceae), from Central Mexico
FIGURE 3. Maximum Likelihood tree based on sequences of the cpcBA-IGS gene. The analysis showed the relationships among Brasilonema species and Cyanobacteria of the same order (Nostocales), using Gloeobacter violaceus as the external functional group. Bootstrap values at supported nodes (> 50%) are given for Maximum Likelihood, and Maximum Parsimony values only in the cluster with Brasilonema.
FIGURE 2 in Morphological and Molecular Characterization of Brasilonema roberti-lamii (Cyanophyceae, Nostocales, Scytonemataceae), from Central Mexico
FIGURE 2. Maximum Likelihood tree based on sequences of the 16S rRNA gene. The phylogenetic analysis showed the relationships between Brasilonema species and Cyanobacteria of the same order (Nostocales), using Gloeobacter violaceus as the external functional group. Bootstrap values at supported nodes (> 50%) are given for Maximum Likelihood, and Maximum Parsimony values only in the cluster with Brasilonema.
FIGURE 1. Brasilonema roberti-lamii. A in Morphological and Molecular Characterization of Brasilonema roberti-lamii (Cyanophyceae, Nostocales, Scytonemataceae), from Central Mexico
FIGURE 1. Brasilonema roberti-lamii. A. According to Bourrelly and Manguin (1952). B–L. Brasilonema roberti-lamii from Los Manantiales. B–D. Habit. E. Detail of filament organization in fascicles. F–H. typical "C" or "J" shape of young trichomes with heterocytes. I, K, L. Different stages of hormogonia development. Arrow: proheterocyte. J. Parallel organization of filaments. Scale bars: C = 0.5 mm, D = 50 µm, E–J, L = 20 µm, K = 7 µm.
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International Brain Laboratory public data
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OpenNeuro
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