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6,025 results for “Science of science”
Database of NGS results of CAST gene of intensive fattening lambs of sheep breeds in Latvia within the framework of project of the Latvian Council of Science LZP-2021/1-0489 project
<p>Project of The Latvian Council of Science (LCS) - LZP-2021/1-0489 project: “<strong>Development of an innovative approach to identify biological determinants involved in the between-animal variation in feed efficiency in sheep farming</strong>.”</p> <p><strong>The aim of the project</strong> is to determine whether the feed efficiency status of Latvian meat sheep breeds could be predicted using a panel of genetic and molecular markers previously found to be associated with divergent feed efficiency status in a training population of lambs when fed the same diet.</p> <p><strong>Novelty</strong>: to determine the parameters predicting the most productive result of lamb rearing, we set out to develop the cheapest and most effective method for determining markers of feed efficiency - based on molecular and genetic markers obtained from the blood of live lambs.</p> <p><strong>About the project:</strong></p> <p>The costs associated with lambing (buying or keeping sheep) and preparing or purchasing feed are the two largest components of variable costs in sheep raising. Feed costs are high due to poor grain growing conditions in major producing countries, the use of feed grains in ethanol production, and increased competition for land in crop production compared to urban development. Feed efficiency in growing lambs (i.e., the animal's ability to reach a market or adult body weight (BW) with the least amount of feed intake) is a key factor in the sheep industry. Improving feed efficiency reduces production costs. Improving Feed efficiency by 5% can bring economic benefits that are up to four times higher than a 5% increase in average daily gain (ADG).</p> <p>Traditionally, meat breeding programs have focused on outputs due mainly to the routine availability of phenotypic data on outputs or correlated traits. Currently, no marker has successfully explained enough of the variability in feed efficiency that they were used as part of a routine improvement program, as well as according to our data, no genetic parameters for performance and feed efficiency traits are available for sheep. The physiological determinants of feed efficiency or putative biomarkers used to analyze animal-to-animal variation in live lambs could be used as a cost-effective and rapid tool for genetic selection or management decisions.</p> <p>As with other complex traits (also referred to as quantitative or polygenic traits), Feed efficiency is controlled by many genes which are involved in several molecular mechanisms and pathways causing animal-to-animal genetic variation in different biological functions. GWAS results suggested genes impacting lipid and energy metabolism as markers of Feed efficiency. Detection of many variants in these genes is necessary to predict or identify efficient animals accurately.</p> <p>Calpastatin (CAST) plays a key role in skeletal muscle development and is involved in myoblast migration, protein metabolism, apoptosis, muscle growth and development, and fat deposition.</p> <p><strong>About the data of the project:</strong></p> <p>LZP-2021/1-0489 project data on lamb samples of the year 2022, or the A22 group, which consists of 76 intensively fattened lambs from six breeds.</p> <p>Exons (29) of the CAST gene and their flanking intron regions were sequenced using Illumina NGS technology (AmpliSeq). The CAST gene has been sequenced in lambs of Latvia (in sheep research in Latvia) for the first time.</p> <p>Information about 89 loci were found, from which eight were monozygotic or were found only for the rear allele compering with the last reference sequences ARS_UI_Ramb_v2.0. Forty (40) loci form five groups with complete linkage disequilibrium between polymorphisms. Four new SNP (without ID number) were found, and three SNPs were determined to be a single polymorphism.</p> <p>The database contains information on each locus for each lamb and the distribution of alleles and genotypes for each locus across all 76 samples. The data will be used in (1) an analysis of Latvian sheep and (2) an analysis of the association with feed efficiency.</p> <p> </p> <p>The data is the<strong> joint property</strong> of the participants of the LCS project: the University of Latvia and the Latvian University of Life Sciences and Technologies.</p>
CALIPSO Wide Field Camera (WFC) L1B Science 125 m Native Science Data V3-01
Cloud-Aerosol Lidar and Infrared Pathfinder Satellite Observations (CALIPSO) was launched on April 28, 2006 to study the impact of clouds and aerosols on the Earth’s radiation budget and climate. It flies in formation with five other satellites in the international “A-Train” (PDF) constellation for coincident Earth observations. The CALIPSO satellite comprises three instruments, the Cloud-Aerosol LIdar with Orthogonal Polarization (CALIOP), the Imaging Infrared Radiometer (IIR), and the Wide Field Camera (WFC). CALIPSO is a joint satellite mission between NASA and the French Agency, CNES. These data consist 5 km aerosol layer data.
P12 V RADIO SCIENCE SUBSYSTEM RESAMPLED LOS GRAVITY V1.0
Line of sight (LOS) gravity data were obtained as part of the Radio Science Experiment by tracking 351 orbits of the Pioneer Venus Orbiter. The data set consists of a table with the following columns: spacecraft latitude, longitude (degrees), accelerations, and altitude (km). The acceleration data were determined from differentiation of raw Doppler residuals and are expressed as units of mm/s**2. To obtain LOS gravity in milligals, accelerations need to be multiplied by 100. An acceleration of 1.20 mm/s**2, therefore, corresponds to 120 mgal, a large gravity anomaly.
MGS RADIO SCIENCE -- SCIENCE DATA PRODUCTS V1.0
This data set contains archival results from radio science investigations conducted during the Mars Global Surveyor (MGS) mission. Radio measurements were made using the MGS spacecraft and Earth-based stations of the NASA Deep Space Network (DSN). The data set includes high-resolution spherical harmonic models of Mars' gravity field generated by groups at the Jet Propulsion Laboratory and Goddard Space Flight Center, covariance matrices for some models, and maps for some models; these results were derived from raw radio tracking data. Also included are profiles of atmospheric temperature and pressure and ionospheric electron density, derived from phase measurements collected during radio occultations. The data set also includes analyses of transient surface echoes observed close to occultations during the first few years of MGS operations. The atmospheric and surface investigations were conducted by Radio Science Team members at Stanford University. The data set also includes 93 line-of-sight acceleration profiles derived at JPL from radio tracking data collected near periapsis while Mars Global Surveyor was in its Science Phasing Orbit and below its nominal Mapping altitude of 400 km. The data were delivered to PDS in approximately chronological order at the rate of one CD-WO volume (typically 100 MB) every three months.
MER 2 MOESSBAUER 4 SUMMED SPECTRA RDR SCIENCE V1.0
This archive contains Mars Exploration Rover Moessbauer Summed Spectra Reduced Data Record (RDR) products and ancillary files. The products archived on this volume were generated by the Moessbauer instrument team from Moessbauer EDR (Experiment Data Record) products. Supporting documentation and label files conform to the Planetary Data System (PDS) Standards, Version 3.6, Jet Propulsion Laboratory (JPL) document number D-7669.
JUNO JUPITER RAW GRAVITY SCIENCE 1 V1.0
This data set contains archival raw, partially processed, and ancillary/supporting gravity science data acquired during the Juno Jupiter orbits starting in July 2016. The radio observations were carried out using the Juno spacecraft and Earth-based receiving stations of the NASA Deep Space Network (DSN). The data set was designed primarily to determine the gravitational field of Jupiter. Of most interest are likely to be the Orbit Data Files in the ODF directory, which provided the raw input to gravity investigations, as well as the tropospheric media calibration file produced by the Advanced Media Calibration (AMC) system.
NEAR MATHILDE RADIO SCIENCE DATA SET - MFB V1.0
The NEAR Mathilde Radio Science Data Set is a time-ordered collection of raw and partially processed data collected during the NEAR flyby of minor planet 253 Mathilde.
CALIPSO Wide Field Camera (WFC) L1B Science 1 km Registered Science Data V3-01
Cloud-Aerosol Lidar and Infrared Pathfinder Satellite Observations (CALIPSO) was launched on April 28, 2006 to study the impact of clouds and aerosols on the Earth’s radiation budget and climate. It flies in formation with five other satellites in the international “A-Train” (PDF) constellation for coincident Earth observations. The CALIPSO satellite comprises three instruments, the Cloud-Aerosol LIdar with Orthogonal Polarization (CALIOP), the Imaging Infrared Radiometer (IIR), and the Wide Field Camera (WFC). CALIPSO is a joint satellite mission between NASA and the French Agency, CNES. These data consist 5 km aerosol layer data.
NEAR EROS RADIO SCIENCE DATA SET - EROS/ORBIT V1.0
The NEAR Eros Radio Science Data Set is a time-ordered collection of raw and partially processed data collected during the NEAR orbital mapping of the asteroid 433 Eros.
LRO MOON RADIO SCIENCE RAW TRACKING DATA V1.0
This data set contains archival raw, partially processed, and ancillary/supporting radio science data acquired during the Lunar Reconnaissance Orbiter (LRO) mission. The radio observations were carried out using the LRO spacecraft and Earth-based stations of the commercial Universal Space Network (USN), the Ka-band ground station at White Sands, New Mexico (WS1), and the Next Generation Satellite Laser Ranging station in Greenbelt, Maryland (NGSLR). Additional data were provided by the NASA Deep Space Network (DSN) during commissioning. Ongoing participation by the International Laser Ranging Service (ILRS) network of stations provides further LR data that are processed by the Lunar Orbiter Laser Altimeter (LOLA) Science Operations Center (SOC). Of most interest are likely to be the Tracking Data Files in the TRK directory.
CALIPSO Wide Field Camera (WFC) L1B Science 1 km Registered Science Data V3-02
Cloud-Aerosol Lidar and Infrared Pathfinder Satellite Observations (CALIPSO) was launched on April 28, 2006 to study the impact of clouds and aerosols on the Earth’s radiation budget and climate. It flies in formation with five other satellites in the international “A-Train” (PDF) constellation for coincident Earth observations. The CALIPSO satellite comprises three instruments, the Cloud-Aerosol LIdar with Orthogonal Polarization (CALIOP), the Imaging Infrared Radiometer (IIR), and the Wide Field Camera (WFC). CALIPSO is a joint satellite mission between NASA and the French Agency, CNES. These data consist 5 km aerosol layer data.
MARS EXPLORATION ROVER 2 RADIO SCIENCE SUBSYSTEM EDR V1.0
The Mars Exploration Rover 2 MER2) Radio Science (RS) data archive contains raw radio tracking data collected during the surface lifetime of the MER2 Rover. The data contain potentially valuable information on the rotationdynamics of Mars, extending the previous data available from the Viking and Mars Pathfinder landers.
CLEM1 LUNAR RADIO SCIENCE RAW BISTATIC RADAR V1.0
The Clementine Bistatic Radar Raw Data Archive (BSR-RDA) is a time-ordered collection of raw and partially processed data from bistatic radar scattering experiments conducted using the Clementine spacecraft while it orbited the Moon.
CO2 Virtual Science Data Environment API
The CO2 Virtual Data Environment is a comprehensive effort at bringing together the models, data, and tools necessary to perform research on atmospheric CO2.This site presents web-based discovery and access resources designed to streamline the process of accessing relevant global and regional carbon dioxide data sets. Furthermore, this site provides tools for conversion, manipulation, and transformation of the data to facilitate research.
HUYGENS ACP CALIBRATED ENGINEERING & SCIENCE DATA
This data set is composed of data produced during the descent to Titan on January 14 2005 from the ACP instrument (Engineering data) and also from the GCMS instrument (Science data) which analyses the gaseous products from ACP.
GIOTTO EXTENDED MISSION, RADIO SCIENCE EXPERIMENT V1.0
This dataset includes open- and closed-loop data from the Giotto Radio Experiment (GRE) during the time range +/- 3 minutes around close approach. In both cases the data were received by station 63 in Madrid. These data were never formally reviewed by PDS.
GRAIL MOON LGRS DERIVED GRAVITY SCIENCE DATA PRODUCTS V1.0
This data set contains archival derived science data, acquired from the Lunar Gravity Ranging System (LGRS) on the two spacecraft comprising the Gravity Recovery and Interior Laboratory (GRAIL) mission. Measurements were made using the GRAIL spacecraft and Earth-based stations of the NASA Deep Space Network (DSN). The data set includes high-resolution spherical harmonic models of the Moon's gravity field, covariance matrices for some models, and maps for some models. It also contains a complete set of SPICE SPK Files ('kernel files'), which can be accessed using SPICE software. The SPK products in this data set differ from those archived by GRAIL navigation, as they were created by the GRAIL SDS and make use of the LGRS to provide a more refined solution of the spacecraft ephemerides than those provided by GRAIL navigation.
2001 MARS ODYSSEY RADIO SCIENCE RAW DATA SET - V1.0
2004-02-27 RS:simpson added2004-03-01 RS:simpson revisedThis data set contains archival raw, partially processed, and ancillary/supporting radio science data acquired during the 2001 Mars Odyssey (ODY) mission. The radio observations were carried out using the ODY spacecraft and Earth-based receiving stations of the NASA Deep Space Network (DSN). The observations were designed to test the spacecraft radio system, the DSN ground system, and ODY operations procedures and to be used in reconstructing the spacecraft orbit, generating high-resolution gravity field models of Mars, and determining the nature of the near-Sun solar plasma. Of most interest are likely to be the Orbit Data Files in the ODF directory and the ionospheric and tropospheric media calibration files in the ION and TRO directories, respectively. The first ODF in the data set begins on 2002-01-06, which was actually in the late stages of the Aerobraking Phase and just before periapsis was lowered for about 2 weeks to about 200 km; the Mapping altitude was about 400 km. Data were delivered to PDS in approximately chronological order at the rate of 1-3 CD-WO volumes per month, of which about 0.01 GB/month were ODF's. By volume, the largest data type was either the Archival Tracking Data File (TDF; until early 2003) or the Tracking and Navigation File (TNF; beginning early 2003), both of which served as parents of the ODF.
CALIPSO Wide Field Camera (WFC) L1B Science 1 km Native Science Data V1-10
Cloud-Aerosol Lidar and Infrared Pathfinder Satellite Observations (CALIPSO) was launched on April 28, 2006 to study the impact of clouds and aerosols on the Earth’s radiation budget and climate. It flies in formation with five other satellites in the international “A-Train” (PDF) constellation for coincident Earth observations. The CALIPSO satellite comprises three instruments, the Cloud-Aerosol LIdar with Orthogonal Polarization (CALIOP), the Imaging Infrared Radiometer (IIR), and the Wide Field Camera (WFC). CALIPSO is a joint satellite mission between NASA and the French Agency, CNES. These data consist 5 km aerosol layer data.
JUNO OUTER CRUISE RAW GRAVITY SCIENCE 1 V1.0
This data set contains archival raw, partially processed, and ancillary/supporting gravity science data acquired during the Juno outer cruise between the October 2013 Earth Flyby and July 2016 Jupiter Orbit Insertion. The radio observations were carried out using the Juno spacecraft and Earth-based receiving stations of the NASA Deep Space Network (DSN). The data set was designed primarily to support testing and calibration of Juno's Gravity Science instrument. Of most interest are likely to be the Orbit Data Files in the ODF directory, which provided the raw input to gravity investigations, as well as the ionospheric an tropospheric media calibration files in the ION and TRO directories, respectively.
ScienceDex guides
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These curated guides explain access requirements, typical timelines, costs, and reuse considerations for widely used research datasets.
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.