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84 results for “Crocus”
FIGURE 2 in Notes on Crocus L. Series Flavi Mathew (Iridaceae) and a new species with unique corm structure
FIGURE 2. Illustration of C. asymmetricus: A. Habitus; B. Flower dissection; C. Leaf cross section; D. Corm: D1. General view, D2. Young (above) and mature corm (below); E. Corm tunics (E1 and E2); F. Basal tunic. Drawing made from specimen ISTF 41370.
FIGURE 4 in Notes on Crocus L. Series Flavi Mathew (Iridaceae) and a new species with unique corm structure
FIGURE 4. Phylogenetic tree obtained by Bayesian inference of the nuclear rDNA ITS. Numbers along branches are posterior probabilities.
The shellome of the crocus clam Tridacna crocea emphasizes essential components of mollusc shell biomineralization
<p class="FirstParagraph">Molluscan shells are among the most fascinating research objects because of their diverse morphologies and textures. The formation of these delicate biomineralized structures is a matrix-mediated process. A question that arises is what are the essential components required to build these exoskeletons. In order to understand the molecular mechanisms of molluscan shell formation, it is crucial to identify organic macromolecules in different shells from diverse taxa. In the case of bivalves, however, taxon sampling in previous shell proteomics studies are biased and focus exclusively on representatives of the class Pteriomorphia such as pearl oysters, edible oysters and mussels. In this study, we have characterized the shell organic matrix from the crocus clam, <i>Tridacna crocea</i>, (Heterodonta) using various biochemical techniques, including SDS-PAGE, FT-IR, monosaccharide analysis, and enzyme-linked lectin assay (ELLA). Furthermore, we have identified a number of shell matrix proteins (SMPs) using a comprehensive proteomics approach combined to RNA-seq. The biochemical studies confirmed the presence of proteins, polysaccharides, and sulphates in the <i>T. crocea</i> shell organic matrix. Proteomics analysis revealed that the majority of the <i>T. crocea</i> SMPs are novel and dissimilar to known SMPs identified from the other bivalve species. Meanwhile, the SMP repertoire of the crocus clam also includes proteins with conserved functional domains such as chitin-binding domain, VWA domain, and protease inhibitor domain. We also identified BMSP (Blue Mussel Shell Protein, originally reported from <i>Mytilus</i>), which is widely distributed among molluscan shell matrix proteins. <i>Tridacna</i> SMPs also include low-complexity regions or LCRs that are absent in the other molluscan genomes, indicating that these genes may have evolved in specific lineage. These results highlight the diversity of the organic molecules - in particular proteins - that are essential for molluscan shell formation.</p>
FIGURE 4 in Crocus yaseminiae (Iridaceae) a new species from South Anatolia, Turkey
FIGURE 4. Corm tunic parts of Crocus yaseminiae sp. nov. (a, b) and Crocus isauricus (c, d); left: outer tunic part, right: basal ring and teeth.
FIGURE 3 in Crocus yaseminiae (Iridaceae) a new species from South Anatolia, Turkey
FIGURE 3. Habit of Crocus yaseminiae sp. nov. from type locality (a, b) and C. isauricus from Alacabel pass—Between Antalya and Konya provinces (c), Gembos Yayla-Ibradi, Antalya province (d).
FIGURE 1 in Crocus yaseminiae (Iridaceae) a new species from South Anatolia, Turkey
FIGURE 1. Lectotype of the name Crocus isauricus at G, G00309890 (reproduced with the consent of the Conservatoire et Jardin botaniques de la Ville de Genève).
FIGURE 3 in A new subspecies of Crocus pestalozzae (Iridaceae) from Turkey
FIGURE 3. Somatic chromosomes, idiogram and karyotype of C. pestalozzae subsp. violaceus (A–C); C. pestalozzae subsp. pestalozzae (D–F).
FIGURE 2 in A new subspecies of Crocus pestalozzae (Iridaceae) from Turkey
FIGURE 2. Distribution of Crocus pestalozzae subsp. pestalozzae () and C. pestalozzae subsp. violaceus () in Turkey.
FIGURE 1. Crocus pestalozzae subsp. violaceus. A. Habit. B in A new subspecies of Crocus pestalozzae (Iridaceae) from Turkey
FIGURE 1. Crocus pestalozzae subsp. violaceus. A. Habit. B. Bracteole, flower and bract (from left to right). C. Corm and tunics. D. Cataphylls. E. Abaxial side of the outer segment, adaxial side of the outer segment, abaxial side of the inner segment and adaxial side of the inner segment (from left to right). F. Style. G. Anthers.
Fig. 3 in An integrated approach for the characterization of wild Crocus species adopting phenotypical and phytochemical traits
Fig. 3. Biplot from Principal Component Analysis for the phytochemical components (flavonols and crocins) for fifteen wild Crocus samples and saffron. All components were used for the analysis, but only the ones with the longest vectors were represented in the graph. See Table 1 for the coding of populations (S = saffron) and Tables 4 and 5 for the coding of phytochemicals.
Fig. 4 in An integrated approach for the characterization of wild Crocus species adopting phenotypical and phytochemical traits
Fig. 4. Wild Crocus taxa collected in Southern Italy: Crocus biflorus; C. longiflorus; C. siculus; C. thomasii; C. neapolitanus.
Fig. 1 in An integrated approach for the characterization of wild Crocus species adopting phenotypical and phytochemical traits
Fig. 1. Biplot from Principal Component Analysis for the floral traits in the sixteen Crocus populations. Lops and Lips: outer and inner perigone segments; Lsb: length of style-branches; Lpt: Length of perigone tube; Lanth: length of anther of the 16 Crocus samples. See Table 1 for the coding of populations.
Fig. 2 in An integrated approach for the characterization of wild Crocus species adopting phenotypical and phytochemical traits
Fig. 2. General molecular structures of flavonoids (flavonols) and apocarotenoids (crocins) characterised in the stigmas of wild Crocus samples and saffron.
Crocus Sativus Tepals Water Extract in Obesity and Prediabetes
ClinicalTrials.gov study NCT07261475. IPD Sharing: NO. Countries: 1. Publications: 7.
Management of Mild Cognitive Impairment Patients With Aloe and Crocus - BALSAM
ClinicalTrials.gov study NCT04436614. IPD Sharing: NO. Countries: 1. Publications: 2.
The shellome of the crocus clam Tridacna crocea emphasizes essential components of mollusc shell biomineralization
Open the record for dataset details and reuse information.
Improved snow darkening coefficient for large-scale albedo modelling with Crocus
<p><strong>Description</strong></p> <p>Light-absorbing particles (LAPs) deposited at the snow surface significantly reduce its albedo and strongly affect the snow melt dynamics. The explicit simulation of these effects with advanced snow radiative transfer models can be associated with a large computational cost. Consequently, many albedo schemes used in snowpack models still rely on empirical parameterizations that do not account for the spatial variability of LAP deposition. In Gaillard et al. (2024), a new strategy of intermediate complexity that includes the effects of spatially variable LAP deposition on snow albedo was tested with the snowpack model Crocus. It relies on an optimization of the snow darkening coefficient that controls the evolution of snow albedo in the visible range. A global dataset of LAP-informed and spatially variable values of the snow darkening coefficient was constructed. The revised snow darkening coefficient improved snow albedo simulations at the ten sites considered in the study by 10%, with the largest improvements found in the Arctic (more than 25%). The uncertainties in the values of the snow darkening coefficient resulting from the inter-annual variability of LAP deposition on snow were also computed.</p> <p>The data are distributed in a NetCDF file (gamma<em>_tot_publish_v2.nc</em>). More details about the dataset and the file format are given in the file <em>readme_gamma_v2.pdf</em>. </p>
Crocus vernus (L.) Hill (BR0000012423187)
Belgium Herbarium image of <a href="https://www.plantentuinmeise.be">Meise Botanic Garden</a>.
Crocus stellaris Haw. (BR0000024836685)
Belgium Herbarium image of <a href="https://www.plantentuinmeise.be">Meise Botanic Garden</a>.
Crocus flavus Haw. (BR0000020357245)
Belgium Herbarium image of <a href="https://www.plantentuinmeise.be">Meise Botanic Garden</a>.
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Allen Brain Atlas
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International Brain Laboratory public data
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OpenNeuro
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