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3,136 results for “Terrestrialization”
FIGURES 122–144 in Morphological and taxonomical analysis of the terrestrial diatom genus Humidophila (Bacillariophyta) on Ile Amsterdam and Ile Saint-Paul (Southern Indian Ocean)
FIGURES 122–144. Humidophila rouhaniana Chattová & Van de Vijver sp. nov. Light (LM) and scanning electron micrographs (SEM). 122–140. LM of valve views of the type population from Ile Amsterdam. 141–144. SEM of external valve view showing the stauroform central area and the raphe with depressed proximal and distal pores with distinct bowtie endings. LM scale bar = 10 μm. SEM scale bars = 1 μm.
FIGURES 101–121 in Morphological and taxonomical analysis of the terrestrial diatom genus Humidophila (Bacillariophyta) on Ile Amsterdam and Ile Saint-Paul (Southern Indian Ocean)
FIGURES 101–121. Humidophila amsterdamensis Chattová &Van de Vijver sp. nov. Light (LM) and scanning electron micrographs (SEM). 101–115. LM of valve views of the type population from Ile Amsterdam. 116–118. SEM of an entire valve (externally). 119. SEM of a girdle view. 120. SEM of internal valve view. 121. SEM of an entire valve (externally). LM scale bar = 10 μm. SEM scale bars = 5 μm.
FIGURES 60–79 in Morphological and taxonomical analysis of the terrestrial diatom genus Humidophila (Bacillariophyta) on Ile Amsterdam and Ile Saint-Paul (Southern Indian Ocean)
FIGURES 60–79. Humidophila gallica (W.Smith) R.L. Lowe et al. Light (LM) and scanning electron micrographs (SEM). 60. LM of a girdle view of two frustules, connected by linking spines. 61–75. LM of valve face views. 76. SEM of an entire valve (externally). 77. SEM valve (internally). 78. SEM valve (internally) and SEM of a valve with marginal spines (externally). 79. SEM of an entire valve (externally). LM scale bar = 10 μm. SEM scale bars = 1 μm.
FIGURES 18–38 in Morphological and taxonomical analysis of the terrestrial diatom genus Humidophila (Bacillariophyta) on Ile Amsterdam and Ile Saint-Paul (Southern Indian Ocean)
FIGURES 18–38. Humidophila contenta (Grunow) R.L.Lowe et al. Light (LM) and scanning electron micrographs (SEM). 18–19. LM of a girdle view. 20–34. LM of valve views showing variation in size. 35. SEM of an entire valve (externally). 36. SEM of a girdle view. 37–38. SEM of an entire valve (externally). Note the proximal and distal raphe endings showing small depressions next to the raphe pores. LM scale bar = 10 μm. SEM scale bars = 1 μm.
FIGURES 39–59 in Morphological and taxonomical analysis of the terrestrial diatom genus Humidophila (Bacillariophyta) on Ile Amsterdam and Ile Saint-Paul (Southern Indian Ocean)
FIGURES 39–59. Humidophila crozetikerguelensis (Le Cohu & Van de Vijver) R.L.Lowe et al. Light (LM) and scanning electron micrographs (SEM). 39–55. LM of valve views.
FIGURES 1–17 in Morphological and taxonomical analysis of the terrestrial diatom genus Humidophila (Bacillariophyta) on Ile Amsterdam and Ile Saint-Paul (Southern Indian Ocean)
FIGURES 1–17. Humidophila brekkaensis (Petersen) R.L.Lowe et al. Light (LM) and scanning electron micrographs (SEM). 1–13. LM of valve views. 14. SEM of an entire valve (externally). 15. SEM girdle view. 16–17. SEM of an entire valve (externally). Note the mantle areolae positioned on the same level as the areolae of the valve face. LM scale bar = 10 μm. SEM scale bars = 5 μm, 1
Figure 1 in Complete mitochondrial genome of the terrestrial isopod Cubaris murina Brandt, 1833: new family gene order and novel tRNA secondary structures
Figure 1. Mitochondrial genome synteny in Cubaris murina and closely related species. A dash (-) before the gene name means that the gene is encoded on the light strand. NCR means a non-coding region that is longer than 100 bp. Cubaris murina is marked in bold black and shades of grey.
Figure 2 in Complete mitochondrial genome of the terrestrial isopod Cubaris murina Brandt, 1833: new family gene order and novel tRNA secondary structures
Figure 2. Secondary structure of each transfer RNA (tRNA) visualised in Forna (http://rna.tbi.univie.ac. at/forna).
Table 3 in Complete mitochondrial genome of the terrestrial isopod Cubaris murina Brandt, 1833: new family gene order and novel tRNA secondary structures
<p><b>Table 3.</b> Characteristic (AT content, repeat, number of predicted secondary structure, range of <i>ΔG</i> value (kcal/mol)) of control region of <i>Cubaris murina</i> by RNAstructure.</p><table><tbody><tr><th></th><th></th><th></th><th></th><th>Length</th><th></th><th></th><th></th><th>Number of predicted</th><th></th></tr></tbody><tbody><tr><th>Species [reference]</th><td>Name</td><td>Start</td><td>Stop</td><td>(bp)</td><td>Location</td><td>%AT</td><td>Repeat</td><td>secondary structures</td><td><i>ΔG</i> value (kcal/mol)</td></tr><tr><th><i>Cubaris murina</i></th><td>NCR1</td><td>5219</td><td>5360</td><td>142</td><td>Between <i>nad1</i> and <i>trnN</i></td><td>52.80%</td><td></td><td>7</td><td>−16.9 to −15.4</td></tr><tr><th>[present study]</th><td>NCR2</td><td>6297</td><td>6666</td><td>370</td><td>Between <i>trnS1</i> and <i>trnL1</i></td><td>59.70%</td><td>CT-rich & AT-loop</td><td>20</td><td>−103.7 to −101.0</td></tr><tr><th></th><td>NCR3</td><td>12,550</td><td>12,753</td><td>204</td><td>Between <i>rrnL</i> and <i>trnE</i></td><td>71.10%</td><td>poly-A</td><td>7</td><td>−17.5 to −17.1</td></tr><tr><th></th><td>NCR4</td><td>12,813</td><td>12,950</td><td>138</td><td>Between <i>trnE</i> and <i>trnV</i></td><td>71.70%</td><td>AG-rich</td><td>5</td><td>−13.4 to −12.3</td></tr><tr><th><i>Panulirus argus</i> [Baeza, 2018]</th><td>NCR</td><td>13,525</td><td>14,326</td><td>801</td><td>Between <i>rrnS</i> and <i>trnI</i></td><td>69.60%</td><td>AT-rich</td><td>7</td><td>−99.20 to −94.52</td></tr><tr><th><i>Synalpheus microneptunus</i> [Chak <i>et al.</i>, 2020]</th><td>NCR</td><td>13,365</td><td>14,198</td><td>834</td><td>Between <i>rrnS</i> and <i>trnI</i></td><td>79.50%</td><td>AT-rich</td><td>20</td><td>− 104 (lowest)</td></tr></tbody></table>
Global terrestrial carbon pools and fluxes
<p>This file contains a compilation of published data used to generate Fig. 1 in the paper "Estimating the importance of viral contributions to soil carbon dynamics" by Amy E. Zimmerman, Emily B. Graham, Jason McDermott, Kirsten S. Hofmockel which has been accepted for publication in <em>Global Change Biology</em> as of September 2024. Please see the manuscript Supporting Information for additional details.</p>
Data Behind the Figures: No Thick Atmosphere on the Terrestrial Exoplanet Gl 486b
<p>This repository includes all the data to create the figures in "No Thick Atmosphere on the Terrestrial Exoplanet Gl 486b" by Megan Weiner Mansfield et al. (2024).</p>
FIGURE 2 in Lonicericola fuyuanensis (Parabambusicolaceae) a new terrestrial pleosporalean ascomycete from Yunnan Province, China
FIGURE 2. Lonicericola fuyuanensis (MFLU 19-2850, holotype). a–c Appearance of ascomata on host substrate. d, e Section of ascoma. f Peridium. g Pseudoparaphyses. h–k Asci. l Apical ring in an ascus stained with Congo Red (arrowed). m–q Ascospores (note the ascospore stained in Indian ink to show the mucilaginous sheath in q). Scale bars: d, e = 100 µm, f, h–k = 20 µm, g, l–q = 10 µm.
FIGURE 1 in Lonicericola fuyuanensis (Parabambusicolaceae) a new terrestrial pleosporalean ascomycete from Yunnan Province, China
FIGURE 1. RAxML tree based on a combined dataset of partial SSU, LSU, tef1 and ITS sequence analyses. Bootstrap support values for ML and MP equal to or greater than 60 %, Bayesian posterior probabilities (PP) equal to or greater than 0.95 are shown as ML/ MP/ PP above the nodes. The new isolate is in blue bold. The tree is rooted to Corynespora cassiicola (CBS 100822) and C. smithii (CABI 5649b) in Corynesporaceae. The scale bar represents the expected number of nucleotide substitutions per site.
FIGURE 2 in Saprobic Dothideomycetes in Thailand: Phaeoseptum hydei sp. nov., a new terrestrial ascomycete in Phaeoseptaceae
FIGURE 2. Phaeoseptum hydei (MFLU 17-0660, holotype). a, b. Appearance of ascomata on host substrate. c. Section of ascoma. d. Peridium. e. Pseudoparaphyses. f–j. Asci. k–n. Ascospores. o. Colony on PDA. Scale bars: b = 500 µm, c = 100 µm, d, e, k–n = 10 µm, f–j = 20 µm.
FIGURE 1 in Saprobic Dothideomycetes in Thailand: Phaeoseptum hydei sp. nov., a new terrestrial ascomycete in Phaeoseptaceae
FIGURE 1. RAxML tree based on analysis of a combined dataset of LSU, SSU, ITS and TEF partial sequences. Bootstrap support values for ML and MP higher than 60 % and Bayesian posterior probabilities (BYPP) for BI greater than 0.95 are defined above the internal branches respectively. The ex-type strains are in bold; the new isolate is in blue. The tree is rooted to Hysterobrevium angustatum (MFLUCC 16-0623) and Gloniopsis praelonga (CBS 112415) in the Hysteriales.
From soil to sediment: Bedform migration shapes microbial communities from eroding bank soil during terrestrial-aquatic regime shift [dataset]
<p>This dataset contains raw data of metabolism measurements, microbial abundance, and nutrients that were assessed for the research paper entitled "From soil to sediment: Bedform migration shapes microbial communities from eroding bank soil during terrestrial-aquatic regime shift," which has been submitted to the Journal of Geophysics: Biogeosciences on October 19, 2024. Please note that raw sequencing data were already submitted to the NCBI library and are accessible via https://www.ncbi.nlm.nih.gov./sra/PRJNA1154565.</p> <p>The excel sheet (.xlsx) contains all relevant parameters that were used to detect the influence of environmental parameters on the microbial community structure, e.g. bacterial, fungal and algal abundance, nutrient concentrations, and final NCP and CR rates. The .zip archive contains all raw metabolism measurements during our experimental duration.</p>
Syntectonic Late Devonian terrestrial sedimentation in the southern Bonaparte Basin, Western Australia
<p>Supplementary data for a paper on "<strong><span>Syntectonic Late Devonian terrestrial sedimentation in the southern Bonaparte Basin, Western Australia"</span></strong></p>
Data from: Testing a "genes-to-ecosystems" approach to understanding aquatic-terrestrial linkages
A 'genes-to-ecosystems' approach has been proposed as a novel avenue for integrating the consequences of intraspecific genetic variation with the underlying genetic architecture of a species in order to shed light on the relationships among hierarchies of ecological organization (genes [RIGHTWARDS ARROW] individuals [RIGHTWARDS ARROW] communities [RIGHTWARDS ARROW] ecosystems). However, attempts to identify genes with major effect on the structure of communities and/or ecosystem processes have been limited and a comprehensive test of this approach has yet to emerge. Here, we present an interdisciplinary field study that integrated a common garden containing different genotypes of a dominant, riparian tree, Populus trichocarpa, and aquatic mesocosms to determine how intraspecific variation in leaf litter alters both terrestrial and aquatic communities and ecosystem functioning. Moreover, we incorporate data from extensive trait screening and genome-wide association studies estimating the heritability and genes associated with litter characteristics. We found that tree genotypes varied considerably in the quality and production of leaf litter, which contributed to variation in phytoplankton abundances, as well as nutrient dynamics and light availability in aquatic mesocosms. These 'after-life' effects of litter from different genotypes were directly comparable to the responses of terrestrial communities associated with the living foliage. We found that multiple litter traits corresponding with aquatic community and ecosystem responses differed in their heritability. Moreover, the underlying genetic architecture of these traits was complex, and many genes contributed only a small portion to phenotypic variation. Our results provide further evidence that genetic variation is a key component of aquatic-terrestrial linkages, but challenges the ability to predict community or ecosystem responses based on the actions of one or a few genes.
Data from: 'Venus trapped, Mars transits': Cu and Fe redox chemistry, cellular topography and in situ ligand binding in terrestrial isopod hepatopancreas
Woodlice efficiently sequester copper (Cu) in 'cuprosomes' within hepatopancreatic 'S' cells. Binuclear 'B' cells in the hepatopancreas form iron (Fe) deposits; these cells apparently undergo an apocrine secretory diurnal cycle linked to nocturnal feeding. Synchrotron-based m-focus X-ray spectroscopy undertaken on thin sections was used to characterize the ligands binding Cu and Fe in S and B cells of Oniscus asellus (Isopoda). Main findings were: (i) morphometry confirmed a diurnal B-cell apocrine cycle; (ii) X-ray fluorescence (XRF) mapping indicated that Cu was co-distributed with sulfur (mainly in S cells), and Fe was co-distributed with phosphate (mainly in B cells); (iii) XRF mapping revealed an intimate morphological relationship between the basal regions of adjacent S and B cells; (iv) molecular modelling and Fourier transform analyses indicated that Cu in the reduced Cuþ state is mainly coordinated to thiol-rich ligands (Cu–S bond length 2.3 A˚ ) in both cell types, while Fe in the oxidized Fe3þ state is predominantly oxygen coordinated (estimated Fe–O bond length of approx. 2 A˚ ), with an outer shell of Fe scatterers at approximately 3.05 A˚ ; and (v) no significant differences occur in Cu or Fe speciation at key nodes in the apocrine cycle. Findings imply that S and B cells form integrated unit-pairs; a functional role for secretions from these cellular units in the digestion of recalcitrant dietary components is hypothesized.
Data from: Tail loss and telomeres: consequences of large-scale tissue regeneration in a terrestrial ectotherm.
Large-scale tissue regeneration has potential consequences for telomere length through increases in cell division and changes in metabolism which increase the potential for oxidative stress damage to telomeres. The effects of regeneration on telomere dynamics have been studied in fish and marine invertebrates, but the literature is scarce for terrestrial species. We experimentally induced tail autotomy in a lizard (Niveoscincus ocellatus) and assessed relative telomere length (RTL) in blood samples before and after partial tail regeneration while concurrently measuring reactive oxygen species (ROS) levels. The change in ROS levels was a significant explanatory variable for the change in RTL over the sixty-day experiment. At the average value of ROS change, the mean RTL increased significantly in the control group (intact tails), but there was no such evidence in the regenerating group. In contrast, ROS levels decreased significantly in the regenerating group, but there was no such evidence in the control group. Combined, these results suggest that tail regeneration following autotomy involves a response to oxidative stress and this potentially comes at a cost to telomere repair. This change in telomere maintenance demonstrates a potential long-term cost of tail regeneration beyond the re-growth of tissue itself.
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International Brain Laboratory public data
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OpenNeuro
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