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Text-fig. 3. CA climate charts for the Monte Tondo and Tossignano floras, showing climatic ranges of the Nearest Living Relatives of the fossil taxa with respect to MAT. Right-hand positoned large bold figures and shaded areas in each case indicate the Coexistence Interval, with the number of overlapping taxa being at a maximum. in Palaeoenvironmental Analysis Of The Messinian Macrofossil Floras Of Tossignano And Monte Tondo (Vena Del Gesso Basin, Romagna Apennines, Northern Italy)
Text-fig. 3. CA climate charts for the Monte Tondo and Tossignano floras, showing climatic ranges of the Nearest Living Relatives of the fossil taxa with respect to MAT. Right-hand positoned large bold figures and shaded areas in each case indicate the Coexistence Interval, with the number of overlapping taxa being at a maximum.
Fig. 6 in Mat-forming coccoid cyanobacteria from early Silurian marine deposits of Sudetes, Poland
Fig. 6. Schematic drawing showing examples of vegetative cells of different age and baeocytes formation in modern colonial coccoid cyanobacteria. A. Stanieria sphaerica (Setchell and Gardner) Komárek and Anagnostidis 1986, scheme of baeocytes formation (after Komárek and Anagnostidis 1998). B–E. Stanieria cf. cyanosphaera (Komárek and Hindák) Komárek and Anagnostidis 1986, modern coccoid cyanobacteria grown in culture under irradiance level 20 µmol m–2 sec–1 at 22 (~0.5)oC. B. Cells of different age. C. Vegetative cells of different age. D. Baeocytes differentiation. · · E. Baeocytes liberation. After Komárek and Hindák from Silva and Pienaar 2000, modified. F. Chroococcidiopsis kashayi Friedmann 1961, various stage of baeocytic cell division (multiple fission), after Komárek and Anagnostidis 1998 modified. G. Fragment of early Silurian coccoid cyanobacterial mat. ZPAL Cy.1 GBŻ 49/1−4. Scale bars 20 µm.
Fig. 7 in Mat-forming coccoid cyanobacteria from early Silurian marine deposits of Sudetes, Poland
Fig. 7. Comparison of early Silurian coccoid cyanobacteria (left) from radiolarian cherts exposed at the Żdanów road−cut (Bardzkie Mountains) and modern coccoid cyanobacteria (right), all optical micrographs. A, C, E. Examples of cells of early Silurian Stanieria−like cyanobacteria at different stage of cell fission filled with minute reproductive cells (baeocytes). E. Optical micrographs with Nomarski illumination. A, C, E, ZPAL Cy.1 GBŻ 49/1−4. B, D, F. Mass culture of Stanieria cf. cyanosphaera (Komárek and Hindák) Komárek and Anagnostidis 1986, grown under irradiance level 20 µmol m–2 sec–1 at 22 · · (~0.5)oC, revealing spherical cells of varying size; some cells are filled with baeocytes (from Silva and Pienaar 2000, with publisher permission http://www.schweizerbart.de).
Fig. 3 in Mat-forming coccoid cyanobacteria from early Silurian marine deposits of Sudetes, Poland
Fig. 3. Optical micrographs of early Silurian radiolarian cherts from Żdanów in horizontal thin sections. A. Three globular aggregates of coccoid cyanobacteria forming mats visible in amorphous organic background. B–D. Magnified aggregates of variously degraded coccoid cyanobacteria showing different size of cells and mucilage sheaths. Some cells are filled with granular material resembling reproductive cells (baeocytes) of modern coccoid cyanobacteria. E, F. Magnified fragment of cyanobacterial colony (aggregate), partly degraded, showing individual cells. F. Optical micrographs with Nomarski illumination. All ZPAL Cy.1 GBŻ 49/1−4.
Fig. 2 in Mat-forming coccoid cyanobacteria from early Silurian marine deposits of Sudetes, Poland
Fig. 2. Optical micrographs of Early Silurian radiolarian cherts from Żdanów in vertical thin sections. A–C. Sections of black radiolarian chert in different magnifications showing well−defined laminae of organic matter composed of coccoid cyanobacterial biomass. D. A fragment of dense organic lamina, in which no details are visible. E, F. Magnified fragment of organic laminae composed of partly degraded and compacted aggregates of coccoid cyanobacteria, some capsule−like remnants of mucilage sheaths remaind uncompacted. A–C, ZPAL Cy.1 GBŻ 49/1–4; D, ZPAL Cy.1 GBŻ 16/2; E, F, ZPAL Cy.1 GBŻ 23/1.
Fig. 1 in Mat-forming coccoid cyanobacteria from early Silurian marine deposits of Sudetes, Poland
Fig. 1. Geological map of the northern part of the Bardzkie Mountains (Sudetes, southwestern Poland) and stratigraphic section of the Early Palaeozoic deposits at the Żdanów road−cut (after Porębska 1982, and Wyżga 1987; modified).
Fig. 8 in Mat-forming coccoid cyanobacteria from early Silurian marine deposits of Sudetes, Poland
Fig. 8. Diagram showing effect of compaction of a coccoid cyanobacterial aggregate. A–C. 3D aggregate without compaction (A) and under different degree of compaction. D–G. Axial vertical section of the same aggregate without compaction (D) and under different degree of compaction; note that in G outlines of cells and/or capsules are no more identifiable. Not to scale.
Fig. 5 in Mat-forming coccoid cyanobacteria from early Silurian marine deposits of Sudetes, Poland
Fig. 5. Scanning electron microscope (SEM) image of early Silurian subspherical aggregate of benthic coccoid cyanobacteria from Żdanów in horizontal thin section (sample IV–VI 49), showing HF−etched pattern with extending parts representing silicified common mucilage sheats (glycocalyx) and pits representing decomposed cells.
Hepatitis C Treatment in PWIDs: MAT or Syringe Exchange Assisted-therapy vs Standard of Care
ClinicalTrials.gov study NCT03093415. IPD Sharing: YES. Countries: 1. Publications: 7.
Data from: (Sub-)Antarctic endemic cyanobacteria from benthic mats are rare and have restricted geographic distributions
Open the record for dataset details and reuse information.
McMurdo Dry Valleys LTER: Microbial mat biomass and Normalized Difference Vegetation Index (NDVI) values from Lake Fryxell Basin, Antarctica, January 2018
This package contains data collected from microbial mat surveys (i.e., percent cover, ash-free dry mass (AFDM), and pigment concentrations – chlorophyll-a, scytonemin, and carotenoids) associated with satellite-derived Normalized Difference Vegetation Index (NDVI) values from the Lake Fryxell Basin of Taylor Valley, located in the McMurdo Dry Valleys of Antarctica. The purpose of this study was to quantitatively compare key microbial mat characteristics to NDVI. Data were collected at seven plot locations within the Canada Glacier Antarctic Specially Protected Area (ASPA) near Canada Stream, as well as alongside Green Creek and McKnight Creek. NDVI values were derived from a WorldView-2 multispectral satellite image taken of the Lake Fryxell Basin on January 19, 2018, while biological ground surveying and sampling were conducted during the 2nd and 4th weeks of January 2018.
McMurdo Dry Valleys Chlorophyll-A Concentrations in Lake Hoare Benthic Mats 1996-97
As part of the Long Term Ecological Research (LTER) project in the McMurdo Dry Valleys of Antarctica, the growth of benthic cyanobacteria-dominated mats in the lakes have been monitored. This dataset shows chlorophyll-a levels associated with the benthic mats. Values are provided for various depths of Lake Hoare during the 1996-97 field season, both with and without correction for phaeopigments.
Data from: Diverse communities of bacteria and archaea flourished in Palaeoarchaean (3.5-3.3 Ga) microbial mats
<p><span><span><span><span><span><span><span><span><span><span><span>Limited taxonomic classification is possible for Archaean microbial mats and this is a fundamental limitation in constraining early ecosystems. Applying Fourier Transform Infrared spectroscopy (FTIR), a powerful tool for identifying vibrational motions attributable to specific functional groups, we characterised fossilised biopolymers in 3.5-3.3 Ga microbial mats from the Barberton greenstone belt (South Africa). Microbial mats from four Palaeoarchaean horizons exhibit significant differences in taxonomically informative aliphatic contents, despite high aromaticity. This reflects precursor biological heterogeneity since all horizons show equally exceptional preservation and underwent similar grades of metamorphism. Low methylene to end-methyl (CH<sub>2</sub>/CH<sub>3</sub>) absorbance ratios in mats from the 3.472 Ga Middle Marker horizon signify short, highly branched <i>n</i>-alkanes interpreted as isoprenoid chains forming archaeal membranes. Mats from the 3.45 Ga Hooggenoeg Chert H5c, 3.334 Ga Footbridge Chert, and 3.33 Ga Josefsdal Chert exhibit higher CH<sub>2</sub>/CH<sub>3</sub>ratios suggesting longer, unbranched fatty acids from bacterial lipid precursors. Absorbance ratios of end-methyl to methylene (CH<sub>3</sub>/CH<sub>2</sub>) in Hooggenoeg, Josefsdal and Footbridge mats yield a range of values (0.20-0.80) suggesting mixed bacterial and archaeal architect communities based on comparison with modern examples. Higher (0.78-1.25) CH<sub>3</sub>/CH<sub>2</sub> ratios in the Middle Marker mats identify Archaea. This exceptional preservation reflects early, rapid silicification preventing the alteration of biogeochemical signals inherited from biomass. Since silicification commenced during the lifetime of the microbial mat, FTIR signals estimate the affinities of the architect community and may be used in the reconstruction of Archaean ecosystems. Together, these results show that Bacteria and Archaea flourished together in Earth's earliest ecosystems.</span></span></span></span></span></span></span></span></span></span></span></p>
Sequences, taxonomic assignments, and R script from Comparison of Lava Cave Bacterial Mat Communities to Overlying Surface Soil Bacterial Communities from Lava Beds National Monument, USA
<p>This set of files contain the 16S rDNA, taxonomic assignments from the greengenes database, and the R script for processing the data. </p> <p><strong>Abstract</strong></p> <p>Lava caves around the world often support extensive microbial mats on ceilings and walls in a range of colors. Little is known about lava cave microbial diversity and how these subsurface mats differ from microbial communities in overlying surface soils. We generated and analyzed bacterial 16S rDNA from 454 pyrosequencing from three colors of microbial mats (tan, white, and yellow) from seven lava caves in Lava Beds National Monument, CA, USA, and compared them with surface soils overlying each cave. <em>Actinobacteria</em> dominated in all samples, with 39% (caves) and 21% (surface soils). <em>Proteobacteria</em> made up 30% of phyla from caves and 36% from surface soil with <em>Gamma</em>- 20% and <em>Alpha</em>- 10% in the caves and <em>Gamma</em>- 18% with <em>Alpha</em>-17% in soil. Other major phyla in caves were <em>Nitrospirae</em> (7%) followed by Minor Phyla (7%), compared to surface soils with <em>Bacteriodetes</em> (8%) and Minor phyla (8%). A very high proportion (53.33%) of the most abundant sequences could not be identified to genus, indicating a high degree of novelty. Surface soil samples had more OTUs and greater diversity indices than cave samples. The same phyla were represented in both soils and cave microbial mats, but the overlap was only 11.2% at the operational taxonomic unit (OTU). Although surface soil microbes immigrate into underlying caves, the environment selects for microbes able to live in the cave habitats, resulting in very different cave microbial communities. In terms of species richness, diversity by mat color differed, but not significantly. Number of entrances per cave, distance from an entrance, cave length, and temperature also contributed to observed differences in diversity. With high levels of novel microbes, caves may represent excellent habitats for the isolation of new bioactive compounds. This study is the first comprehensive comparisons of bacterial communities in lava caves with the overlying soil community.</p>
Functionalising the electrical properties of Kombucha zoogleal mats for biosensing applications
<p><span>Data acquired from the electrical characterisation of pure and functionalised with graphene and zeolite Y Kombucha mats, <span> </span>including dynamic current-voltage (I-V) profiling, impedance, capacitance, and resistance measurements. </span></p> <p> </p>
Metagenome-Assembled Genomes of 2_2_Ac_Mat
<p>The dataset is featured in the data report titled "MAGnificent Microbes: Metagenome-Assembled Genomes of Marine Microorganisms in Mats from a Submarine Groundwater Discharge Site in Mabini, Batangas, Philippines." The study utilized shotgun metagenomics to examine the diversity and functional profiles of marine microorganisms in microbial mats from an SGD-influenced site in Mabini. The dataset includes extracted metagenome-assembled genomes (MAGs) along with their annotations using RAST.</p>
SSU rRNA Gene Analysis of the Environmental and Biological Influences on Carbonate Precipitation within Hot Spring Microbial Mats in Little Hot Creek, CA
<p>R Markdown notebook and all data required to recreate the 16S rRNA Gene analysis figures found in Wilmeth et. al (In Submission), including mapping files, BIOM files, and R markdown notebook. </p>
[Supp. mat.] Spatiotemporal analysis for detection of pre-symptomatic shape changes in neurodegenerative diseases: initial application to the GENFI cohort
<p>Supplementary tables and figure of paper Spatio-temporal analysis for detection of pre-symptomatic shape changes in neuro-degenerative diseases: initial application to the GENFI cohort, for testing different number of clusters of the spatio-temporal regression. The supplementary materials shows results for 2 4 6 8 12 14 and 16 clusters. The 10 clusters analysis is in the paper.</p>
Fig. 4 in Mat-forming coccoid cyanobacteria from early Silurian marine deposits of Sudetes, Poland
Fig. 4. Size−frequency histogram of cells from the early Silurian mats.
Coopetition as an ecological dynamic: interactions between dense seasonal macroalgal mats and oysters on temperate shellfish reefs
<p>We document the proliferation of dense algal mats on intertidal oyster reefs in the Southeastern USA. We also use data from a small field experiment to understand the effects that oysters have on macroalgae. The data and code included here can be used to replicate all analyses and figures in the manuscript.</p>
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Allen Brain Atlas
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Annotated Behaviour and Observability Dataset (ABODe)
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DANDI Archive for NWB datasets
DANDI is a BRAIN Initiative archive for publishing and sharing neurophysiology data, including electrophysiology, optophysiology, and behavioral data packaged as NWB and related standards.
International Brain Laboratory public data
The International Brain Laboratory public data releases expose standardized mouse decision-making experiments, including Neuropixels recordings, widefield calcium imaging, behavior, and session metadata accessed through the ONE API.
OpenNeuro
OpenNeuro is a free, open platform for sharing neuroimaging datasets, with public search, dataset pages, and download paths for web, S3, DataLad, and the OpenNeuro CLI.