USAP-DC

{"dp_type": "Dataset", "free_text": "Genetic Analysis"}

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Postlethwait.", "east": 180.0, "geometry": ["POINT(0 -89.999)"], "keywords": "Antarctica; Cold Adaptation; Cryonotothenioid; Dragonfish; Eleginopsioidea; Fish; Genetic Analysis; Hemoglobin; Icefish; Notothenioid; Notothenioid Fishes; Plunderfish; Sub-Antarctic", "locations": "Antarctica; Sub-Antarctic", "north": -37.0, "nsf_funding_programs": "Antarctic Organisms and Ecosystems; Antarctic Organisms and Ecosystems; Antarctic Organisms and Ecosystems", "persons": "Desvignes, Thomas; Postlethwait, John", "project_titles": "Evolution of hemoglobin genes in notothenioid fishes", "projects": [{"proj_uid": "p0010417", "repository": "USAP-DC", "title": "Evolution of hemoglobin genes in notothenioid fishes"}], "repo": "USAP-DC", "repositories": "USAP-DC", "science_programs": null, "south": -90.0, "title": "Rates of hemoglobin evolution among genes and across notothenioid species.", "uid": "601729", "west": -180.0}, {"awards": "1543383 Postlethwait, John; 1947040 Postlethwait, John; 2232891 Postlethwait, John", "bounds_geometry": ["POLYGON((-180 -37,-144 -37,-108 -37,-72 -37,-36 -37,0 -37,36 -37,72 -37,108 -37,144 -37,180 -37,180 -42.3,180 -47.6,180 -52.9,180 -58.2,180 -63.5,180 -68.8,180 -74.1,180 -79.4,180 -84.69999999999999,180 -90,144 -90,108 -90,72 -90,36 -90,0 -90,-36 -90,-72 -90,-108 -90,-144 -90,-180 -90,-180 -84.7,-180 -79.4,-180 -74.1,-180 -68.8,-180 -63.5,-180 -58.2,-180 -52.9,-180 -47.6,-180 -42.300000000000004,-180 -37))"], "date_created": "Fri, 08 Sep 2023 00:00:00 GMT", "description": "Phylogenetic tree of Notothenioid species used in analyses and results of the HyPhy MEME tests for sites evolving under episodic diversifying selection in notothenioid hemoglobin genes in the research article \u201cCold-driven hemoglobin evolution in Antarctic notothenioid fishes prior to hemoglobin gene loss in white-blooded icefishes\u201d by Thomas Desvignes, Iliana Bista, Karina Herrera, Audrey Landes, John H. Postlethwait.", "east": 180.0, "geometry": ["POINT(0 -89.999)"], "keywords": "Antarctica; Cold Adaptation; Cryonotothenioid; Dragonfish; Eleginopsioidea; Fish; Genetic Analysis; Hemoglobin; Icefish; Notothenioid; Notothenioid Fishes; Plunderfish; Sub-Antarctic", "locations": "Antarctica; Sub-Antarctic", "north": -37.0, "nsf_funding_programs": "Antarctic Organisms and Ecosystems; Antarctic Organisms and Ecosystems; Antarctic Organisms and Ecosystems", "persons": "Desvignes, Thomas; Postlethwait, John", "project_titles": "Evolution of hemoglobin genes in notothenioid fishes", "projects": [{"proj_uid": "p0010417", "repository": "USAP-DC", "title": "Evolution of hemoglobin genes in notothenioid fishes"}], "repo": "USAP-DC", "repositories": "USAP-DC", "science_programs": null, "south": -90.0, "title": "MEME tests of sites evolving under episodic diversifying selection in notothenioid hemoglobin genes.", "uid": "601730", "west": -180.0}, {"awards": "1543383 Postlethwait, John; 1947040 Postlethwait, John; 2232891 Postlethwait, John", "bounds_geometry": ["POLYGON((-180 -37,-144 -37,-108 -37,-72 -37,-36 -37,0 -37,36 -37,72 -37,108 -37,144 -37,180 -37,180 -42.3,180 -47.6,180 -52.9,180 -58.2,180 -63.5,180 -68.8,180 -74.1,180 -79.4,180 -84.69999999999999,180 -90,144 -90,108 -90,72 -90,36 -90,0 -90,-36 -90,-72 -90,-108 -90,-144 -90,-180 -90,-180 -84.7,-180 -79.4,-180 -74.1,-180 -68.8,-180 -63.5,-180 -58.2,-180 -52.9,-180 -47.6,-180 -42.300000000000004,-180 -37))"], "date_created": "Fri, 08 Sep 2023 00:00:00 GMT", "description": "Notothenioid hemoglobin protein 3D modeling using SWISS-MODEL in the research article \u201cCold-driven hemoglobin evolution in Antarctic notothenioid fishes prior to hemoglobin gene loss in white-blooded icefishes\u201d by Thomas Desvignes, Iliana Bista, Karina Herrera, Audrey Landes, John H. Postlethwait.", "east": 180.0, "geometry": ["POINT(0 -89.999)"], "keywords": "Antarctica; Cold Adaptation; Cryonotothenioid; Dragonfish; Eleginopsioidea; Fish; Genetic Analysis; Hemoglobin; Icefish; Notothenioid; Notothenioid Fishes; Plunderfish; Sub-Antarctic", "locations": "Antarctica; Sub-Antarctic", "north": -37.0, "nsf_funding_programs": "Antarctic Organisms and Ecosystems; Antarctic Organisms and Ecosystems; Antarctic Organisms and Ecosystems", "persons": "Desvignes, Thomas; Postlethwait, John", "project_titles": "Evolution of hemoglobin genes in notothenioid fishes", "projects": [{"proj_uid": "p0010417", "repository": "USAP-DC", "title": "Evolution of hemoglobin genes in notothenioid fishes"}], "repo": "USAP-DC", "repositories": "USAP-DC", "science_programs": null, "south": -90.0, "title": "Notothenioid hemoglobin protein 3D modeling.", "uid": "601732", "west": -180.0}, {"awards": "1947040 Postlethwait, John", "bounds_geometry": ["POLYGON((-63.1 -63.9,-63.02 -63.9,-62.94 -63.9,-62.86 -63.9,-62.78 -63.9,-62.7 -63.9,-62.62 -63.9,-62.54 -63.9,-62.46 -63.9,-62.38 -63.9,-62.3 -63.9,-62.3 -64.01,-62.3 -64.12,-62.3 -64.23,-62.3 -64.34,-62.3 -64.45,-62.3 -64.56,-62.3 -64.67,-62.3 -64.78,-62.3 -64.89,-62.3 -65,-62.38 -65,-62.46 -65,-62.54 -65,-62.62 -65,-62.7 -65,-62.78 -65,-62.86 -65,-62.94 -65,-63.02 -65,-63.1 -65,-63.1 -64.89,-63.1 -64.78,-63.1 -64.67,-63.1 -64.56,-63.1 -64.45,-63.1 -64.34,-63.1 -64.23,-63.1 -64.12,-63.1 -64.01,-63.1 -63.9))"], "date_created": "Tue, 04 Jan 2022 00:00:00 GMT", "description": "Nucleic acid sequences, sequence alignments, model selection results, and phylogenetic trees from the phylogenetic placement of Notoxcellia species. ", "east": -62.3, "geometry": ["POINT(-62.7 -64.45)"], "keywords": "Alveolata; Antarctica; Antarctic Peninsula; Biota; Notoxcellia Coronata; Notoxcellia Picta; Oceans; Perkinsozoa; Xcellidae", "locations": "Antarctic Peninsula; Antarctica", "north": -63.9, "nsf_funding_programs": "Antarctic Organisms and Ecosystems", "persons": "Desvignes, Thomas; Varsani, Arvind; Postlethwait, John", "project_titles": "EAGER: Origin and Physiological Consequences of a Neoplasm Outbreak in Antarctic Fish ", "projects": [{"proj_uid": "p0010221", "repository": "USAP-DC", "title": "EAGER: Origin and Physiological Consequences of a Neoplasm Outbreak in Antarctic Fish "}], "repo": "USAP-DC", "repositories": "USAP-DC", "science_programs": null, "south": -65.0, "title": "Phylogenetic Analysis of Notoxcellia species.", "uid": "601501", "west": -63.1}, {"awards": "0739648 Cary, Stephen", "bounds_geometry": ["POINT(163 -77.5)"], "date_created": "Tue, 01 Jan 2013 00:00:00 GMT", "description": "The glacial streams of the McMurdo Dry Valleys have extensive cyanobacterial mats that are a probable source of fixed C and N to the Valleys. The research will examine the interplay between the microbial mats in the ephemeral glacial streams and the microbiota of the hyporheic soils (wetted soil zone) underlying and adjacent to those mats. It is hypothesized that the mats are important sources of organic carbon and fixed nitrogen for the soil communities of the hyporheic zone, and release dissolved organic carbon (DOC) and nitrogen (DON) that serves the entire Dry Valley ecosystem. Field efforts will entail both observational and experimental components. Direct comparisons will be made between the mats and microbial populations underlying naturally rehydrated and desiccated mat areas, and between mat areas in the melt streams of the Adams and Miers Glaciers in Miers Valley. Both physiological and phylogenetic indices of the soil microbiota will be examined. Observations will include estimates of rates of mat carbon and nitrogen fixation, soil respiration and leucine and thymidine uptake (as measures of protein \u0026 DNA synthesis, respectively) by soil bacteria, bacterial densities and their molecular ecology. Experimental manipulations will include experimental re-wetting of soils and observations of the time course of response of the microbial community. The research will integrate modern molecular genetic approaches (ARISA-DNA fingerprinting and ultra deep 16S rDNA microbial phylogenetic analysis) with geochemistry to study the diversity, ecology, and function of microbial communities that thrive in these extreme environments. The broader impacts of the project include research and educational opportunities for graduate students and a postdoctoral associate. The P.I.s will involve undergraduates as work-study students and in REU programs, and will participate in educational and outreach programs.", "east": 163.0, "geometry": ["POINT(163 -77.5)"], "keywords": "Antarctica; Biota; Cell Counts; Dry Valleys; Microbiology", "locations": "Dry Valleys; Antarctica", "north": -77.5, "nsf_funding_programs": null, "persons": "Cary, S. Craig", "project_titles": "Collaborative Research: Biogeochemistry of Cyanobactrial Mats and Hyporheic Zone Microbes in McMurdo Dry Valley Glacial Meltwater Streams", "projects": [{"proj_uid": "p0000476", "repository": "USAP-DC", "title": "Collaborative Research: Biogeochemistry of Cyanobactrial Mats and Hyporheic Zone Microbes in McMurdo Dry Valley Glacial Meltwater Streams"}], "repo": "USAP-DC", "repositories": "USAP-DC", "science_programs": null, "south": -77.5, "title": "Biogeochemistry of Cyanobactrial Mats and Hyporheic Zone Microbes in McMurdo Dry Valley Glacial Meltwater Streams", "uid": "600079", "west": 163.0}]

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