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29,897 results for “activism”
FIGURE 1 in Chub movement is attracted by the collision sounds associated with spawning activities
FIGURE 1. Observational and experimental design of this study. (a) Collision sounds associated with spawning activities may attract egg eaters and/or male satellites and (b) description of three movement behaviors. A fish was considered as being attracted if it performed any of the following three movement behaviors: (A) swimming close to the Beker at a distance shorter than the length of the Beker; (B) swimming straight toward the Beker and suddenly stopping and returning, staying nearby, or circling around the Beker; and (C) swimming straight toward the Beker and biting and/or performing spawning-like actions.
Supplementary material 1 from: Symes LB, Madhusudhana S, Martinson SJ, Kernan CE, Hodge KB, Salisbury DP, Klinck H, ter Hofstede H (2022) Estimation of katydid calling activity from soundscape recordings. Journal of Orthoptera Research 31(2): 173-180. https://doi.org/10.3897/jor.31.73373
Supplementary material 1 from: Symes LB, Madhusudhana S, Martinson SJ, Kernan CE, Hodge KB, Salisbury DP, Klinck H, ter Hofstede H (2022) Estimation of katydid calling activity from soundscape recordings. Journal of Orthoptera Research 31(2): 173-180. https://doi.org/10.3897/jor.31.73373
Figure 3 in Microhabitat, diet, and reproductive activity of a population of the Andean shrew Cryptotis tamensis (Eulipotyphla: Soricidae)
Figure 3. Histological sections of the ovaries in Cryptotis tamensis. (a) A large active corpus luteum in the ovary of a female in early gestation; (b) a pre-antral follicle in the ovary of a non-pregnant female; (c) primordial, primary and secondary follicles in development in a non-reproductive female; (d) primordial follicles in the small ovaries of a juvenile female. Corpus luteum: circle with dashed line; pre-antral follicle: continuous-line circle; primary follicle: black arrows; secondary follicle: white arrows. Scale bars represent 200 μm.
Figure 2 in Microhabitat, diet, and reproductive activity of a population of the Andean shrew Cryptotis tamensis (Eulipotyphla: Soricidae)
Figure 2. Histological sections of testes (a,b) and epididymis (c,d) of Cryptotis tamensis. Images (a) and (c) show a reproductive male with abundant sperm in the luminal edge of the seminiferous tubules and in the lumen of its epididymis, and (b) and (c) show a non-reproductive male with only basal cells in the spermatic epithelium and empty, almost obliterated epididymis. Spermatozoids: circle, solid line; Sertoli cell: white arrowheads; spermatogonia: black arrowheads; primary spermatocytes: circle, dashed line. Scale bars represent 150 μm.
Figure 1 in Microhabitat, diet, and reproductive activity of a population of the Andean shrew Cryptotis tamensis (Eulipotyphla: Soricidae)
Figure 1. Monthly occurrence and body mass of the captured individuals of Cryptotis tamensis by sex and reproductive stage, related to the precipitation regime of the study area (dashed line; data on the rainfall pattern of the area were obtained from WorldClim; Fick and Hijmans 2017). Reproductive males, solid black rhombuses; non-reproductive males, white rhombuses; juvenile female, yellow square; non-reproductive females, white circles; preovulatory female, purple circle; early pregnant females, red circles; late pregnant female, white square.
Figure S2 in Living in a cold tropical mountain: do the microhabitat use and activity pattern change with elevation in the high-Andean lizard Stenocercus trachycephalus (Squamata: Tropiduridae)?
Figure S2. Environmental temperature fluctuation throughout the day at Las Moyas.
Figure S1 in Living in a cold tropical mountain: do the microhabitat use and activity pattern change with elevation in the high-Andean lizard Stenocercus trachycephalus (Squamata: Tropiduridae)?
Figure S1. Environmental temperature fluctuation throughout the day in La Chacua.
Figure 2 in Living in a cold tropical mountain: do the microhabitat use and activity pattern change with elevation in the high-Andean lizard Stenocercus trachycephalus (Squamata: Tropiduridae)?
Figure 2. Frequency of individuals of Stenocercus trachycephalus on each microhabitat by locality.
Figure S3 in Living in a cold tropical mountain: do the microhabitat use and activity pattern change with elevation in the high-Andean lizard Stenocercus trachycephalus (Squamata: Tropiduridae)?
Figure S3. Environmental temperature fluctuation throughout the day in Guanentá.
Transcription factor expression is the main determinant of variability in gene co-activity
<p><strong>Summary</strong></p> <p>Co-activity scores for 343 GEUVADIS LCLs and ABC scores for 68 LCLs, of which 30 are contained in both.</p> <p><strong>Project abstract</strong></p> <p>Many genes are co-regulated and, when proximal, form domains of coordinated gene activity. However, the regulatory determinants of domain co-activity remain unclear. Here, we leverage human individual variation in gene expression to characterize the regulatory processes underlying the activities of such domains and systematically quantify their effect sizes. We employ transcriptional decomposition to extract from RNA expression data an expression component related to co-activity revealed by genomic positioning. This strategy reveals close to 1,500 domains of co-activity, covering most expressed genes, of which the large majority are invariable across individuals. Focusing specifically on domains with high variation in co-activity reveals that neighboring genes contained within variable co-activity domains have a higher sharing of eQTLs, a higher variability in enhancer interactions, and a specific enrichment of binding by variably expressed transcription factors. Through careful quantification of the relative contributions of regulatory activities underlying co-activity, we find transcription factor expression levels to be the main determinant of gene co-activity, indicating that distal <em>trans</em> effects contribute more than local genetic variation to individual variation in co-activity domains. </p> <p><strong>Included files</strong></p> <p>Co_activity_scores_343_individuals.tsv.zip - Contains co-activity scores for included individuals. Columns include chromosome, bin, start, end and one column per individual containing the co-activity score.</p> <p>ABC_scores_68_individuals.tsv.zip - Contains ABC scores for included individuals. Columns include chromosome, start of putative enhancer region, end of putative enhancer region, name of putative enhancer region, target gene, TSS of target gene, LCL identifier, ABC score</p>
EEG dataset: Engineers' brain activity when CAD modelling from isometric and orthographic projections
<p>The database contains raw and clean EEG data of 20 engineers, captured while they were performing visuospatially-intensive design tasks of CAD modelling based on the technical drawings with orthographic and isometric projections.</p>
Cochlear theta activity oscillates in phase opposition during interaural attention
<p>Preprocessed data and analysis-scripts needed to reproduce the figures and statistics of the paper "Cochlear theta activity oscillates in phase opposition during interaural attention".</p>
DUX4 expression activates JNK and p38 MAP kinases in myoblasts: MAJIQ splicing results
<p>Facioscapulohumoral muscular dystrophy (FSHD) is caused by misexpression of the DUX4 transcription factor in skeletal muscle that results in transcriptional alterations, abnormal phenotypes, and cell death. To gain insight into the kinetics of DUX4-induced stresses, we activated DUX4 expression in myoblasts and performed longitudinal RNA sequencing (GEO GSE205421) paired with proteomics and phosphoproteomics (MassIVE MSV000089812). This analysis revealed changes in cellular physiology including DNA damage and altered mRNA splicing. Phosphoproteomic analysis uncovered widespread changes in protein phosphorylation rapidly following DUX4 induction indicating that alterations in kinase signaling may play a role in DUX4-mediated stress and cell death. Indeed, we demonstrate that two stress-responsive MAP kinase pathways, JNK and p38, are activated in response to DUX4 expression. Inhibition of each of these pathways ameliorated DUX4-mediated cell death in myoblasts. These findings uncover JNK as a novel pathway involved in DUX4-mediated cell death as well as provide additional insights into the role of the p38 pathway, a clinical target for the treatment of FSHD.</p>
Modulation of 5-LOX activity and comparison with COX-2 activity by (poly)phenols in cellular models.
<p>5-Lipoxygenase (5-LOX) plays a key role in inflammation through the biosynthesis of leukotrienes and other lipid mediators. Current evidence suggests that dietary (poly)phenols exert a beneficial impact on human health through anti-inflammatory activities. Their mechanisms of action have mostly been associated with the modulation of pro-inflammatory cytokines (TNF-α, IL-1β), prostaglandins (PGE<sub>2</sub>), and the interaction with NF-κB and cyclooxygenase 2 (COX-2) pathways. Much less is known about the 5-lipoxygenase (5-LOX) pathway as a target of dietary (poly)phenols. This systematic review aimed to summarize how dietary (poly)phenols target the 5-LOX pathway in preclinical and human studies. The number of studies identified is low (5, 24, and 127 human, animal, and cellular studies, respectively) compared to the thousands of studies focusing on the COX-2 pathway. Some (poly)phenolics such as caffeic acid, hydroxytyrosol, resveratrol, curcumin, nordihydroguaiaretic acid (NDGA), and quercetin have been reported to reduce the formation of 5-LOX eicosanoids in vitro. However, the in vivo evidence is inconclusive because of the low number of studies and the difficulty of attributing effects to (poly)phenols. Therefore, increasing the number of studies targeting the 5-LOX pathway would largely expand our knowledge on the anti-inflammatory mechanisms of (poly)phenols.</p>
Supporting materials of the article entitled: MR-guided joint reconstruction of activity and attenuation in brain PET-MR
<p>Abolfazl Mehranian, Habib Zaidi and Andrew J. Reader "MR-guided joint reconstruction of activity and attenuation in brain PET-MR", Neuroimage, 2017, in press</p>
Data from paper: "Design principles for platinum nanoparticles catalysing the electrochemical hydrogen evolution and oxidation reactions: edges are much more active than facets"
<p>The data in this spreadsheet was used to produce the figures in the paper</p> <p>C M Zalitis, A. R. Kucernak, J. Sharman, and E. Wright, "Design principles for platinum nanoparticles catalysing the electrochemical hydrogen evolution and oxidation reactions: edges are much more active than facets"Journal of Materials Chemistry A, 2017, DOI:10.1039/c7ta05543a.</p> <p>Please cite the above reference if you wish to use this data</p>
Supplementary material 2 from: Niemi M, Pöyry J, Heiskanen I, Uotinen V, Nieminen M, Erkomaa K, Wallenius K (2014) Variability of soil enzyme activities and vegetation succession following boreal forest surface soil transfer to an artificial hill. Nature Conservation 8: 1-25. https://doi.org/10.3897/natureconservation.8.6369
Figure S1: Explanation note: The studied sites at the onset of the study in June 2003: a) Top b) Grove c) Middle d) North e) Alder f) Spruce.
Supplementary material 1 from: Rosa G, Penny S, Andreone F, Crottini A, Holderied M, Rakotozafy L, Schwitzer C (2014) A new species of the Boophis rappiodes group (Anura, Mantellidae) from the Sahamalaza Peninsula, northwest Madagascar, with acoustic monitoring of its nocturnal calling activity. ZooKeys 435: 111-132. https://doi.org/10.3897/zookeys.435.7383
Calls of Boophis ankarafensis sp. n. emitted from streamside vegetation in Ankarafa Forest.: Explanation note: Calls of Boophis ankarafensis sp. n. emitted from streamside vegetation in Ankarafa Forest (Sahamalaza – Iles Radama National Park). Calls consist of multi-pulsed trill notes (type 1) and 1-3 pulsed click notes (type 2). Cut 1: chorus recorded on 13 October 2011, 18:34 h, 26.7 °C; Cut 2: chorus with background calls of Cophyla berara recorded on 30 December 2011 at 18:44 h, 28.4 °C.
Supplementary material 5 from: Niemi M, Pöyry J, Heiskanen I, Uotinen V, Nieminen M, Erkomaa K, Wallenius K (2014) Variability of soil enzyme activities and vegetation succession following boreal forest surface soil transfer to an artificial hill. Nature Conservation 8: 1-25. https://doi.org/10.3897/natureconservation.8.6369
Figure S4: Explanation note: The studied s ites after a decade in June 2013: a) Top, b) Grove c) Middle d) North.
Activation of biceps femoris long head reduces tibiofemoral anterior shear force and tibial internal rotation torque in healthy subjects
<p>Experimental data & Matlab code</p>
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Allen Brain Atlas
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Annotated Behaviour and Observability Dataset (ABODe)
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