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FIGURE 2 in Expanding the occurrence of Euryhalinema (Leptolyngbyaceae, Cyanobacteria) to the Atlantic Ocean and description of E. epiphyticum sp. nov. on the Brazilian coast

FIGURE 2. Phylogeny based on the 16S rRNA gene sequences of Cyanobacteria (ntax=61). Values on the left are Maximum Likelihood bootstrap values, and values on right are the Bayesian posterior probabilities converted to percentages. The sequences obtained in this study are in bold. Asterisks indicate 100% values. T indicates the type species of the genera. Values lower than 50% are not shown. Genbank accession number shown inside parenthesis.

FIGURES 4–9 in Expanding the occurrence of Euryhalinema (Leptolyngbyaceae, Cyanobacteria) to the Atlantic Ocean and description of E. epiphyticum sp. nov. on the Brazilian coast

FIGURES 4–9. Morphological aspects of Euryhalinema mangrovii ALCB 132769. Fig. 4. Inverted Microscopy view of the trichomes. Figs. 5–6. Scanning Electron Microscopy (SEM) of trichomes. Figs. 7–9. Transmission Electron Microscopy (TEM). Figs. 7–8. Longitudinal sections of the apical cell. Fig. 9. Cross-section of the trichome. ac= apical cell, crw= cell wall, cw= cell wall, pb= polyphosphate bodies; th= thylakoids. Scale bars: Fig. 4, 10 µm; Fig. 5, 2 µm; Fig. 6, 1 µm; Fig. 7, 0.5 µm; Fig. 8, 0.2 µm; Fig. 9, 100 ηm.

FIGURE 3. 16S-23S in Expanding the occurrence of Euryhalinema (Leptolyngbyaceae, Cyanobacteria) to the Atlantic Ocean and description of E. epiphyticum sp. nov. on the Brazilian coast

FIGURE 3. 16S-23S rRNA Internal Transcribed Spacer (ITS) secondary structures of Euryhalinema epiphyticum sp. nov., E. mangrovii ALCB 132769, and E. mangrovii AP9F (type species of the genus).

FIGURES 10–14 in Expanding the occurrence of Euryhalinema (Leptolyngbyaceae, Cyanobacteria) to the Atlantic Ocean and description of E. epiphyticum sp. nov. on the Brazilian coast

FIGURES 10–14. Morphological aspects of Euryhalinema epiphyticum sp. nov. Fig. 10. Light Microscopy view of trichomes. Figs. 11– 12. Scanning Electron Microscopy (SEM) of trichomes. Figs. 13–14. Transmission Electron Microscopy (TEM) of longitudinal trichome sections. ac= apical cell, ca= carboxysomes, crw= cell wall, cw= cell wall, th= thylakoids. Scale bars: Fig. 10, 10 µm; Fig. 11, 10 µm; Fig. 12, 5 µm; Fig. 13, 1 µm; Fig. 14, 0.5 µm.

FIGURE 15 in Expanding the occurrence of Euryhalinema (Leptolyngbyaceae, Cyanobacteria) to the Atlantic Ocean and description of E. epiphyticum sp. nov. on the Brazilian coast

FIGURE 15. Euryhalinema species distribution around the world based on information from Chakraborty et al. (2019) and this study.

FIGURE 1 in Nodosilinea chupicuarensis sp. nov. (Leptolyngbyaceae, Synechococcales) a subaerial cyanobacterium isolated from a stone monument in central Mexico

FIGURE 1. Sampling site at the Archaeological zone of Cañada de la Virgen. A. Aerial view of the Complex A (image taken from Google Maps, 2016). B. South drainage channel of the Complex A central-courtyard. C. Complex A central-courtyard. Red arrows indicate the specific sampling point.

FIGURE 5 in Nodosilinea chupicuarensis sp. nov. (Leptolyngbyaceae, Synechococcales) a subaerial cyanobacterium isolated from a stone monument in central Mexico

FIGURE 5. Unrooted tree of Nodosilinea strains based on Bayesian Analysis of 19 sequences (562 DNA positions, 114 coded indels). Bootstrap values from the parsimony analysis (562 DNA positions, gaps coded as a fifth base) are mapped onto the nodes in which the analyses were in agreement.

FIGURE 6 in Nodosilinea chupicuarensis sp. nov. (Leptolyngbyaceae, Synechococcales) a subaerial cyanobacterium isolated from a stone monument in central Mexico

FIGURE 6. Secondary structure of conserved domains of the 16S-23S ITS regions for 8 representative strains of Nodosilinea. A–H: D1- D1' helices; I–P: Box-B helices; Q: V3 helix (all 19 strains). Strain labels in the bottom row apply to the D1-D1' helices in the first row. Bases differing from those in N. chupacuarensis are indicated by hollow circles next to the differing bases.

FIGURE 3 in Nodosilinea chupicuarensis sp. nov. (Leptolyngbyaceae, Synechococcales) a subaerial cyanobacterium isolated from a stone monument in central Mexico

FIGURE 3. SEM micrographs of Nodosilinea chupicuarensis. A. Mature uniseriate filament forming a tight spiral. B. Amplification of a spiral. C. Coiled filaments.

FIGURE 2 in Nodosilinea chupicuarensis sp. nov. (Leptolyngbyaceae, Synechococcales) a subaerial cyanobacterium isolated from a stone monument in central Mexico

FIGURE 2. Main characteristics of Nodosilinea chupicuarensis. A-C. Mature filaments forming loose to tight spirals. D. A characteristic nodule (arrow). E. Multiseriate filament. F. Filaments with mature, elongated end cells (arrows). All figures to same scale, scale = 10 μm.

FIGURE 4 in Nodosilinea chupicuarensis sp. nov. (Leptolyngbyaceae, Synechococcales) a subaerial cyanobacterium isolated from a stone monument in central Mexico

FIGURE 4. Phylogenetic position of Nodosilinea chupicuarensis (denoted with an arrow) in a Bayesian Analysis (285 OTUs, 1222 positions), with support values on nodes representing BA posterior support/ML bootstrap support/MP bootstrap support, respectively. The uncollapsed tree from which this figure was derived appears in supplemental materials.

FIGURE 1 in Description of Stenomitos kolaenensis and S. hiloensis sp. nov. (Leptolyngbyaceae, Cyanobacteria) with an emendation of the genus

FIGURE 1. Light micrographs of S. kolaensis. A. Filaments showing sheath and two trichomes sharing a common sheath. B. Trichomes free of sheath, showing clear constrictions at crosswalls and cells slightly longer than wide. C. Trichome with cells isodiametric to shorter than wide. D. Entangled trichomes. All photos at same magnification, scale = 10 μm.

FIGURE 6 in Description of Stenomitos kolaenensis and S. hiloensis sp. nov. (Leptolyngbyaceae, Cyanobacteria) with an emendation of the genus

FIGURE 6. Secondary structures of conserved helices of the 16S-23S ITS region. A-H. D1-D1ʹ helix. I-P. V2 helix. Strain labels for A-H also apply to V2 helices in same column as D1-D1ʹ helices.

FIGURE 5 in Description of Stenomitos kolaenensis and S. hiloensis sp. nov. (Leptolyngbyaceae, Cyanobacteria) with an emendation of the genus

FIGURE 5. Bayesian Inference analysis based on 16S-23S ITS sequence data with maximum parsimony bootstrap values mapped on to nodes.

FIGURE 2 in Description of Stenomitos kolaenensis and S. hiloensis sp. nov. (Leptolyngbyaceae, Cyanobacteria) with an emendation of the genus

FIGURE 2. Light micrographs of S. hiloensis. A, B. Trichomes producing hormogonia and with thin, firm sheaths. C. Trichome lacking sheath, showing clear constrictions at the crosswalls. D, E. Entangled trichomes.

FIGURE 4 in Description of Stenomitos kolaenensis and S. hiloensis sp. nov. (Leptolyngbyaceae, Cyanobacteria) with an emendation of the genus

FIGURE 4. Bayesian Inference analysis based on 16S rRNA sequence data with maximum likelihood bootstrap support values mapped on to nodes. Heavy bold lines report nodes that were represented in both BI analysis and ML analysis.