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41 results for “Cora”
ESI-CorA: SARS-CoV-2-Abwassersurveillance
<p>Das Vorhaben "Emergency Support Instrument - Nachweis von SARS-CoV-2 im Abwasser" (ESI-CorA) lief von November 2021 bis März 2023. Zwanzig Kläranlagenstandorte wurden in Deutschland ausgewählt, die im Februar 2022 gestaffelt mit der Überwachung von SARS-CoV-2 im Abwasser begonnen haben. Das zentrale Ziel in ESI-CorA war die Vorbereitung und Durchführung der bundesweiten Pilotphase zur Überwachung von SARS-CoV-2 und seiner Varianten im Abwasser. Unter anderem wurde das Verfahren zur Normalisierung der Rohdaten, der angewandten PCR-Analytik und der Berechnung der Trenddynamiken untersucht.<br> Weitere Informationen sind im <a href="https://www.ptka.kit.edu/img/Projektblatt_ESI-CorA.pdf">ESI-CorA Projektblatt</a> des Karlsruher Instituts für Technologie (KIT) zu finden.</p>
Expression of a corA-lacZ transcriptional fusion in Salmonella
<p>A <i>corA-lacZ</i> transcriptional fusion was shown to be activated by RpoS when<i> Salmonella</i> is grown to stationary phase in LB rich medium (Metaane<i> et al</i>. 2022)</p><p>Here, expression of the <i>corA-lacZ</i> fusion was evaluated in <i>Salmonella</i> wild-type strain and <i>rpoS</i> mutant grown to stationary phase in LB medium containing different concentrations of Mg and in minimal medium M63 starved or not for Mg. RpoS was required fort optimal expression of the fusion in these three environmental conditions and level of expression was slightly higher when the extracellular magnesium concentration was low.</p><p>Metaane S, Monteil V, Ayrault S, Bordier L, Levi-Meyreuis C, Norel F. The stress sigma factor sigmaS/RpoS counteracts Fur repression of genes involved in iron and manganese metabolism and modulates the ionome of <i>Salmonella enterica</i> serovar Typhimurium. PloS one 2022, 17(3):e0265511.</p><p><strong>This work was supported by the French National Research Agency (ANR-19-CE44-0005-01, PERIOMET project).</strong></p><p>See also:</p><p>Metaane S, Monteil V, Douché T, Giai Gianetto Q, Matondo M, Maufrais C, Norel F. Loss of CorA, the primary magnesium transporter of <i>Salmonella, </i>is alleviated by MgtA and PhoP-dependent compensatory mechanisms. PloS one 2023, 18(9):e0291736.</p><p>NOREL, MONTEIL, & METAANE. (2023). Towards new elements involved in magnesium and cobalt trafficking in Salmonella serovar Typhimurium. Zenodo. <a href="https://doi.org/10.5281/zenodo.8086417">https://doi.org/10.5281/zenodo.8086417</a></p><p>NOREL, METAANE, & MONTEIL. (2023). Detection of physical interactions between the magnesium transporter CorA and other Cor proteins using the bacterial two hybrid system (BACTH). Zenodo. <a href="https://doi.org/10.5281/zenodo.7994619">https://doi.org/10.5281/zenodo.7994619</a></p><p>NOREL Francoise, MONTEIL Veronique, DOUCHE Thibaut, & MATONDO Mariette. (2023). Global effects of deletions of the sitABCD, mntH, cbiMNQO and corA genes, encoding transporters for manganese, cobalt and magnesium on protein abundance in Salmonella enterica serovar Typhimurium grown to stationary phase in LB. [Data set]. Zenodo. <a href="https://doi.org/10.5281/zenodo.8279780">https://doi.org/10.5281/zenodo.8279780</a></p>
Expression of mgtA encoding a magnesium transporter is activated in the absence of the main Mg2+ transporter CorA in Salmonella
<p><i>Salmonella</i> imports magnesium via three known transporters, the widely conserved CorA transporter and the MgtA and MgtB P-type ATPases. CorA is expressed under various growth conditions whereas the other two magnesium transporters, MgtA and MgtB, are expressed under conditions of magnesium starvation under the positive control of the PhoP-PhoQ regulatory system. <br>Our recent results suggest that production of MgtA, but not that of MgtB, is activated in the absence of the main Mg2+ transporter CorA (Metaane <i>et al </i>2022, 2023 ) <br>This hypothesis was further validated in this study by using transcriptional and translational <i>lacZ </i>fusions in the <i>mgtA </i>and <i>mgtB</i> genes. In addition, our data suggest that regulation of expression of MgtA in the absence of CorA is post-transcriptional . </p><p><strong>This work was supported by the French National Research Agency (ANR-19-CE44-0005-01, PERIOMET project).</strong> </p><p>Metaane S, Monteil V, Ayrault S, Bordier L, Levi-Meyreuis C, Norel F. The stress sigma factor sigmaS/RpoS counteracts Fur repression of genes involved in iron and manganese metabolism and modulates the ionome of <i>Salmonella enterica </i>serovar Typhimurium. PLoS One 2022;17(3):e0265511.</p><p>Metaane S, Monteil V, Douché T, Giai Gianetto Q, Matondo M, Maufrais C, Norel F. Loss of CorA, the primary magnesium transporter of <i>Salmonella, </i>is alleviated by MgtA and PhoP-dependent compensatory mechanisms. PLoS One 2023;18(9):e0291736.</p><p> </p>
Genotyping-by-sequencing Single-nucleotide Polymorphism Dataset for Corynorhinus rafinesquii (CORA) and Myotis austroriparius (MYAU)
Open the record for dataset details and reuse information.
FIGURES 11–16. Anacroneuria corae n in Two new species and a new record of Anacroneuria (Plecoptera: Perlidae) from Central Brazil
FIGURES 11–16. Anacroneuria corae n. sp.. Male: (11) head and pronotum; (12) sternum 9; (13–15) penial armature (13 dorsal, 14 ventral and 15 lateral views). Female: (16) sternum 8. Scales: figures (11, 13–15) 0.5 mm; figure (12) 1.0 mm; figure (16) 1.5 mm.
FIGURE 2. Protected areas reporting odonates from 2001 in Odonata from protected areas in Colombia with new records and description of Cora verapax sp. nov. (Zygoptera: Polythoridae)
FIGURE 2. Protected areas reporting odonates from 2001 to 2017 in Colombia. a) Geographical distribution of the sampled areas. Polygons for SFF, RNSC, RFPN and No Register Reserves are too small to be noticed at the map scale. b) Number of sampled areas under the categories recognized by the SINAP.
FIGURE 1 in Odonata from protected areas in Colombia with new records and description of Cora verapax sp. nov. (Zygoptera: Polythoridae)
FIGURE 1. Colombian National System of Protected Areas (SINAP) including the register Civil Society Natural Reserves reported to the Ministry of Environment until 2015.
FIGURE 4 in Odonata from protected areas in Colombia with new records and description of Cora verapax sp. nov. (Zygoptera: Polythoridae)
FIGURE 4. Cora verapax sp. nov. holotype: a. head and thorax in dorsal and lateral views respectively; b. genital ligula in ventral view; c. S10 and cercus in dorsal view; d. S9–10 and cercus in lateral view; e. habitus in lateral view. a-l. p.: apicolateral processes, f. l. l.: filamentous lateral lobes, m-l. p.: midlateral processes. Photos: a, c–e: CABS; b: Camilo Flórez.
FIGURE 3 in Odonata from protected areas in Colombia with new records and description of Cora verapax sp. nov. (Zygoptera: Polythoridae)
FIGURE 3. Taxonomical distribution of odonates species reported in Colombian protected areas a) literature compilation from 2001 to 2017 and new records reported in this work b) new records based on six protected areas surveyed in this study. Numbers at the end of the bars correspond to the number of species.
FIGURE 6. Cora cyphellifera. A in Ten new species of lichenized Basidiomycota in the genera Dictyonema and Cora (Agaricales: Hygrophoraceae), with a key to all accepted genera and species in the Dictyonema clade
FIGURE 6. Cora cyphellifera. A. Specimen in the field (holotype). B. Lobe underside showing cyphelloid hymenophores (holotype). C. Aspect of habitat at type locality in Ecuador. Scale in A–B = 10 mm.
FIGURE 10 in Ten new species of lichenized Basidiomycota in the genera Dictyonema and Cora (Agaricales: Hygrophoraceae), with a key to all accepted genera and species in the Dictyonema clade
FIGURE 10. Dictyonema aeruginosulum (holotype). A. Thallus with projections. B. Thallus surface enlarged showing filaments. C. Hymenophore. Scale = 1 mm.
FIGURE 7. Cora inversa. A in Ten new species of lichenized Basidiomycota in the genera Dictyonema and Cora (Agaricales: Hygrophoraceae), with a key to all accepted genera and species in the Dictyonema clade
FIGURE 7. Cora inversa. A. Specimen in the field showing irregular-fuzzy lobe margins and clusters of trichomes projecting from lower surface (Colombia, Lücking 33340). B. Lobes enlarged showing marginal soredia (Colombia, Lücking 33308). C. Lobe underside showing arachnoid surface (Colombia, Lücking 25902). Scale in A–B = 10 mm, in C = 1 mm.
FIGURE 5. Cora byssoidea. A in Ten new species of lichenized Basidiomycota in the genera Dictyonema and Cora (Agaricales: Hygrophoraceae), with a key to all accepted genera and species in the Dictyonema clade
FIGURE 5. Cora byssoidea. A. Aspect of typical habitat in the Colombian paramo near Bogotá. B. Lobe enlarged showing arachnoidbyssoid upper surface (holotype). C. Lobe underside showing hymenophore with strongly involute margins (holotype). Scale in B–C = 1 mm.
FIGURE 14. A in Ten new species of lichenized Basidiomycota in the genera Dictyonema and Cora (Agaricales: Hygrophoraceae), with a key to all accepted genera and species in the Dictyonema clade
FIGURE 14. A. Dictyonema schenkianum (isotype of Laudatea schenkiana: S). B. D. diducens (holotype: BM). C. D. caespitosum (holotype of Laudatea caespitosa: S). D. D. irrigatum (holotype of Corticium irrigatum: PC). E. D. phyllophilum (holotype of D. sericeum f. phyllophilum: W). F. D. aff. irrigatum (Costa Rica, Lücking s.n.: F). Scale in A, C = 1 mm, in B, F = 10 mm, in D = 5 mm.
FIGURE 4. Cora aspera. A in Ten new species of lichenized Basidiomycota in the genera Dictyonema and Cora (Agaricales: Hygrophoraceae), with a key to all accepted genera and species in the Dictyonema clade
FIGURE 4. Cora aspera. A. Specimen in the field (Colombia, Lücking 33332). B. Lobe enlarged showing rough upper surface (holotype). C. Lobe underside showing hymenophore with slightly involute, smooth margins (holotype). Scale in A–B = 10 mm, in C = 1 mm.
FIGURE 3. Cora arachnoidea. A in Ten new species of lichenized Basidiomycota in the genera Dictyonema and Cora (Agaricales: Hygrophoraceae), with a key to all accepted genera and species in the Dictyonema clade
FIGURE 3. Cora arachnoidea. A. Specimen in the field (Colombia, Lücking 32700). B. Lobe enlarged showing tomentose upper surface (holotype). C. Lobe underside showing hymenophore with involute, byssoid margins (Venezuela, Hernández 1782). Scale in A, C = 5 mm, in B = 1 mm.
FIGURE 9. Cora strigosa. A in Ten new species of lichenized Basidiomycota in the genera Dictyonema and Cora (Agaricales: Hygrophoraceae), with a key to all accepted genera and species in the Dictyonema clade
FIGURE 9. Cora strigosa. A. Aspect of typical habitat in the Peruvian Andes near Machu Picchu. B. Lobe enlarged showing strigose upper surface (holotype). C. Lobe underside showing hymenophore with finely arachnoid surface (holotype). Scale in B = 5 mm, in C = 1 mm.
FIGURE 13. A in Ten new species of lichenized Basidiomycota in the genera Dictyonema and Cora (Agaricales: Hygrophoraceae), with a key to all accepted genera and species in the Dictyonema clade
FIGURE 13. A. Dictyonema irpicinum (holotype: PC). B. D. ligulatum (Papua New Guinea, Sands 1918: BM). C. D. excentricum (isotype: PC). D–F. D. spongiosum (D, syntype: PC; E–F, Guatemala, Lücking 25561: F). Scale in A = 5 mm, in B–D, F = 10 mm, in E = 50 mm.
FIGURE 2. Cora spp. A–B in Ten new species of lichenized Basidiomycota in the genera Dictyonema and Cora (Agaricales: Hygrophoraceae), with a key to all accepted genera and species in the Dictyonema clade
FIGURE 2. Cora spp. A–B. Cora glabrata (lectotype of Thelephora glabrata in UPS). C. Cora bovei (isotype in NY). D–F. C. reticulifera. D. Lobe underside with hymenophore (isotype in BM). E. Lobe showing upper side (Ecuador, Cole 123). F. Lobe underside with hymenophore (Ecuador, Lücking 26201). Scale in A–C = 5 mm, in D, F = 1 mm, in E = 10 mm.
FIGURE 1. Cora pavonia. A in Ten new species of lichenized Basidiomycota in the genera Dictyonema and Cora (Agaricales: Hygrophoraceae), with a key to all accepted genera and species in the Dictyonema clade
FIGURE 1. Cora pavonia. A. Specimen in the field (Colombia, Lücking s.n.). B. Lobe underside enlarged showing hymenophore with involute margins (Venezuela, Hernández 1778). C. Part of the lectotype of Ulva montana (≡ Thelephora pavonia) in BM showing undulate lobe surface and underside with hymenophore. Scale in A = 10 mm, in B–C = 1 mm.
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Allen Brain Atlas
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