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34 results for “halophile”
Fig. 5 in Buchnerillo atlanticus sp. nov., a new halophilic woodlouse (Isopoda: Oniscidea: incertae sedis) from the Atlantic coast of the Iberian Peninsula, with ecological remarks
Fig. 5. Buchnerillo atlanticus sp. nov., paratype, ♂ (MBCN 24683). A. Distal part of maxilliped. B. Maxilla. C. Maxillula, outher branch. D. Maxillula, inner branch. E. Left mandible. F. Right mandible. Figure not to scale.
Fig. 7 in Buchnerillo atlanticus sp. nov., a new halophilic woodlouse (Isopoda: Oniscidea: incertae sedis) from the Atlantic coast of the Iberian Peninsula, with ecological remarks
Fig. 7. Distribution of different species of Buchnerillo Verhoeff, 1942: B. litoralis Verhoeff, 1942 (●), unconfirmed records of B. litoralis (?), B. oceanicus Ferrara, 1974 (), B. neotropicalis Taiti, Montesanto & Vargas, 2018 (●), B. atlanticus sp. nov. (★) and unconfirmed records of B. atlanticus sp. nov. (?).
Fig. 3 in Buchnerillo atlanticus sp. nov., a new halophilic woodlouse (Isopoda: Oniscidea: incertae sedis) from the Atlantic coast of the Iberian Peninsula, with ecological remarks
Fig. 3. Buchnerillo atlanticus sp. nov., ♀ (CLLG). A. Whole animal, partially conglobated. B. Last pereonites, pleon and pleotelson, lateral view. C. Tergal setae. D. Short time preserved specimen in lateral view. Scale bars: A, D = 0.5 mm; B = 0.3 mm; C = 0.015 mm.
Fig. 4 in Buchnerillo atlanticus sp. nov., a new halophilic woodlouse (Isopoda: Oniscidea: incertae sedis) from the Atlantic coast of the Iberian Peninsula, with ecological remarks
Fig. 4. Buchnerillo atlanticus sp. nov., paratype, ♂ (MBCN 24683). A. Left half of pereon-tergite 1, extended; the interrupted lines represent the ventral lobe. B. First antenna. C. Second antenna. Figure not to scale.
Fig. 6 in Buchnerillo atlanticus sp. nov., a new halophilic woodlouse (Isopoda: Oniscidea: incertae sedis) from the Atlantic coast of the Iberian Peninsula, with ecological remarks
Fig. 6. Buchnerillo atlanticus sp. nov., paratype, ♂ (MBCN 24683). A. Pleotelson and uropods, ventral view. B. First pereopod; arrow indicates divided setae of carpus and pectinate scale of propodus. C. Seventh pereopod. D. First pleopod. E. Second pleopod. F. Genital papilla. Figure not to scale.
Fig. 2. A–B in Buchnerillo atlanticus sp. nov., a new halophilic woodlouse (Isopoda: Oniscidea: incertae sedis) from the Atlantic coast of the Iberian Peninsula, with ecological remarks
Fig. 2. A–B. Alive specimens of Buchnerillo atlanticus sp. nov. in their habitat (photo: N. Noval). C. Buchnerillo atlanticus sp. nov. conglobated after suffering a disturbance (photo: M. Álvarez Fidalgo).
Fig. 1. A in Buchnerillo atlanticus sp. nov., a new halophilic woodlouse (Isopoda: Oniscidea: incertae sedis) from the Atlantic coast of the Iberian Peninsula, with ecological remarks
Fig. 1. A. Type locality of Buchnerillo atlanticus sp. nov. (★) in Asturias (red), Spain (dark blue). B. Habitat of Buchnerillo atlanticus sp. nov. in Conejera beach (Villaviciosa, Asturias).
Supplementary material from: Alpine extremophytes in evolutionary turmoil: Complex diversification patterns and demographic responses of a Halophilic grass in a Central Asian biodiversity hotspot
<p>Diversification and demographic responses are key processes shaping species evolutionary history. Yet we still lack a full understanding of ecological mechanisms that shape genetic diversity at different spatial scales upon rapid environmental changes. In this study, we examined genetic differentiation in an extremophilic grass <em>Puccinellia pamirica</em> and factors affecting its population dynamics among the occupied hypersaline alpine wetlands on the arid Pamir Plateau in Central Asia. Using genomic data, we found evidence of fine-scale population structure and gene flow among the localities established across the high-elevation plateau as well as fingerprints of historical demographic expansion. We showed that an increase in the effective population size could coincide with the Last Glacial Period, which was followed by the species demographic decline during the Holocene. Geographic distance plays a vital role in shaping the spatial genetic structure of <em>P. pamirica</em> alongside with isolation-by-environment and habitat fragmentation. Our results highlight a complex history of divergence and gene flow in this species-poor alpine region during the Late Quaternary. We demonstrate that regional climate specificity and a shortage of nonclimate data largely impede predictions of future range changes of the alpine extremophile using ecological niche modeling. This study emphasizes the importance of fine-scale environmental heterogeneity for population dynamics and species distribution shifts.</p>
Data from: Experimental evolution of halophiles: rapid divergence along a multidimensional niche
<p>This data was collected during the study entitled "Experimental evolution of halophiles: rapid divergence along a multidimensional niche."</p> <p>We explored multidimensional niche breadth evolution among two halophilic species, an archaeon (<em>Halobacterium salinarum</em>) and a bacterium (<em>Salinibacter ruber</em>). We propagated each species in rich and poor media for 60 generations and measured associated changes across novel conditions. In particular, we isolated the effects of selection history on axes of salinity and resource abundance, documenting whether shifts in niche breadth are context-dependent.</p> <p>Growth curves were generated via daily measurements over 5 days (4 replicate populations per treatment), with the area under the curve used as a proxy for absolute fitness in a given environment. Relative fitness was calculated as the fitness of the derived populations (following 10 transfers in their respective environment) divided by the fitness of the ancestral populations. </p>
Genome assemblies for halophilic bacteria with potential contamination, sampled from Northern California in 2022
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Genomes for halophilic bacteria with potential contamination, sampled from Northern California in 2021
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Supplementary material from: Alpine extremophytes in evolutionary turmoil: Complex diversification patterns and demographic responses of a Halophilic grass in a Central Asian biodiversity hotspot
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FIGURE 8 in Taraxacum mirabile, an enigmatic sexual halophilous endemic dandelion, represents a new section
FIGURE 8. Taraxacum mirabile. SEM micrographs of achene surface and pollen. A, achene surface. Scale bar = 100 μm. B, achene surface. Scale bar = 30 μm. C, a detail of achene spinules with hair-like protuberances. Scale bar = 100 μm. D, a detail of achene surface and the hair-like protuberances with waxy gland-like structures. Scale bar = 10 μm. E, pollen grains of ± equal size, an indicator of sexuality. Scale bar = 100 μm. F, a detail of pollen grain. Scale bar = 20 μm.
FIGURE 5. Taraxacum mirabile. A field photograph from E in Taraxacum mirabile, an enigmatic sexual halophilous endemic dandelion, represents a new section
FIGURE 5. Taraxacum mirabile. A field photograph from E. of Eskil, Tuz Gölü, Turkey (photo B. Gürdal).
FIGURE 2 in Taraxacum mirabile, an enigmatic sexual halophilous endemic dandelion, represents a new section
FIGURE 2. Distribution of T. mirabile in the Tuz Gölü area, according to the herbarium specimens studied (the base map modified from Google Maps).
FIGURE 3 in Taraxacum mirabile, an enigmatic sexual halophilous endemic dandelion, represents a new section
FIGURE 3. Taraxacum mirabile; its habitat east of Eskil, with stands of Juncus maritimus dominating the vegetation. Photo B. Gürdal.
FIGURE 1. Neighbour-Net constructed from uncorrected P in Taraxacum mirabile, an enigmatic sexual halophilous endemic dandelion, represents a new section
FIGURE 1. Neighbour-Net constructed from uncorrected P-distances in SplitsTree based on nrDNA ITS sequences of sexual members of 26 Taraxacum sections. The names of the stenoendemic taxa treated in the present paper are marked. The presentation is simplified; details of the analysis are available on request.
Fig. 2 in Halococcoides cellulosivorans gen. nov., sp. nov., an extremely halophilic cellulose-utilizing haloarchaeon from hypersaline lakes
Fig. 2. Phylogeny of strain HArcel1T. (a) Maximum-likelihood 16S rRNA gene sequence-based phylogenetic tree showing the position of strain HArcel1T (in bold) within the order Halobacteriales. Branch lengths (see scale) correspond to the number of substitutions per site with corrections, associated with the model (GTR, G+I, four categories). All positions with less than 95 % site coverage were eliminated. In total, 1435 positions were used in the alignment of 119 sequences. Numbers at nodes indicate bootstrap values of 1000 repetitions, bootstrap values below 50 % are not shown. The genus Halomarina was used as an outgroup. (b) Maximum-likelihood rpoB′ gene sequence-based tree showing the position of strain HArcel1T (in bold) within the order Halobacteriales. All parameters were the same as in 16S rRNA gene-based phylogeny. In total, 1827 positions were used in the alignment of 81 sequences. The genus Halomarina was used as an outgroup. (c) Maximum-likelihood tree based on alignment of 17 ribosomal proteins showing the position of strain HArcel1T (in bold) within the order Halobacteriales. Branch lengths (see scale) correspond to the number of substitutions per site with corrections, associated with the model (LG, G+I, four categories). All positions with less than 95 % site coverage were eliminated. In total, 2938 positions were used in the alignment of 40 amino acid sequences. The genus Natronomonas was used as an outgroup.
Fig. 2 in MaNgROVIVIRga CUNICULI gen. nov., sp. nov., a moderately halophilic bacterium isolated from bioturbated Red Sea mangrove sediment, and proposal of the novel family MaNgROVIVIRgaCeae fam. nov.
Fig. 2. (a) Maximum-likelihood phylogenetic tree based on the 16S rRNA gene sequences presenting the position of Mangrovivirga cuniculi R1DC9T (MT146883). Only bootstrap values (expressed as percentages of 1000 replications) exceeding 50% are shown at branching points. Psychroflexus torquis ATCC 700755T (GenBank accession no. U85881) was used as an outgroup. Bar, 0.040 substitutions per nucleotide position. Filled circles indicate branches that were also recovered using the neighbour-joining method. (b) Maximumlikelihood phylogenetic tree highlighting the position of R1DC9T relative to the other type strains within the order Cytophagales, including members of the families Marivirgaceae, Roseivirgaceae, Reichenbachiellaceae, Fulvivirgaceae, Cesiribacteraceae and Flammeovirgaceae. The phylogenetic tree was built using 120 concatenated single-copy genes obtained using GTDB-Tk software [34]. Bootstrap values greater than 50% based on 1000 replications are indicated at branching nodes. Bar, 0.2 substitutions per nucleotide position.
Fig. 1 in Halococcoides cellulosivorans gen. nov., sp. nov., an extremely halophilic cellulose-utilizing haloarchaeon from hypersaline lakes
Fig. 1. Morphology of strain HArcel1T growing at 4 M total NaCl and 37 ǪC. (a) Colonies on amorphous cellulose plates forming large hydrolysis zones; (b) phase contrast microphotograph of cells grown with amorphous cellulose in liquid culture; (c) phase contrast microphotograph of cells forming biofilm on a cellulose fibre; (d) electron microscopy of thin sections of cells grown with amorphous cellulose. CW, cell wall; CM, cytoplasmic membrane; N, nucleoid.
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Allen Brain Atlas
Allen Brain Atlas is an Allen Institute collection of brain map atlases, datasets, APIs, and analysis tools covering mouse, human, and non-human primate brain resources.
Annotated Behaviour and Observability Dataset (ABODe)
ABODe is a University of Edinburgh DataShare dataset for behavior classification in group-housed mice using home-cage video, identities, bounding boxes, ground-plate positions, and annotator labels.
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.