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5,990 results for “reproduction”
Reproductive hormones mediate changes in the gut microbiome during pregnancy and lactation in Phayre's leaf monkeys
Studies in multiple host species have shown that gut microbial diversity and composition change during pregnancy and lactation. However, the specific mechanisms underlying these shifts are not well understood. Here, we use longitudinal data from wild Phayre's leaf monkeys to test the hypothesis that fluctuations in reproductive hormone concentrations contribute to gut microbial shifts during pregnancy. We described the microbial taxonomic composition of 91 fecal samples from 15 females (n=16 cycling, n=36 pregnant, n=39 lactating) using 16S rRNA gene amplicon sequencing and assessed whether the resulting data were better explained by overall reproductive stage or by fecal estrogen (fE) and progesterone (fP) concentrations. Our results indicate that while overall reproductive stage affected gut microbiome composition, the observed patterns were driven by reproductive hormones. Females had lower gut microbial diversity during pregnancy and fP concentration was negatively correlated with diversity. Additionally, fP concentration predicted both unweighted and weighted UniFrac distances, while reproductive state only predicted unweighted UniFrac distances. Seasonality (rainfall and periods of phytoprogestin consumption) additionally influenced gut microbial diversity and composition. Our results indicate that reproductive hormones, specifically progestagens, contribute to the shifts in the gut microbiome during pregnancy and lactation.
Reproduction packages for the paper "Spectral and Imaging properties of Sgr A∗ from High-Resolution 3 DGRMHD Simulations with Radiative Cooling"
<p>This is a basic reproduction package for the paper"Spectral and Imaging properties of Sgr A∗ from High-Resolution 3D GRMHD Simulations with Radiative Cooling" by Yoon et al. (2020). It aims to provide the most important data products to check and reproduce the main results of the paper.</p>
Data for The impact of information about tobacco-related reproductive vs. general health risks on South Indian women's tobacco use decisions
<p>Tobacco Intervention Study Mysore India March-April 2016</p> <p>Published version: <a href="https://doi.org/10.1017/ehs.2020.61">https://doi.org/10.1017/ehs.2020.61</a></p>
Figure 2 in Reproductive ecology of a Tibetan frog Nanorana parkeri (Anura: Ranidae)
Figure 2. Typical habitats used by the frogs, and spatial locations of the hibernation (closed circles) and spawning (open circles) ponds in the study plot (100 × 55 m). Sizes of the circles represent pond area.
Figure 3 in Persica qeshmensis gen. nov. sp. nov from the Persian Gulf (Platyhelminthes: Polycladida: Acotylea), with remarks on reproductive structures
Figure 3. Persica qeshmensis. (A) Sagitally sectioned dorsal epidermis; (B) sagitally sectioned ventral epidermis. Abbreviations: bm, basement membrane; cm, circular muscles; dm, diagonal muscles; egc, eosinophilic glandular clusters; ep, ciliated epidermis; gp, granular pigment; lm, longitudinal muscles; rh, rhabdites; tm, transverse muscles.
Figure 1 in Persica qeshmensis gen. nov. sp. nov from the Persian Gulf (Platyhelminthes: Polycladida: Acotylea), with remarks on reproductive structures
Figure 1. Geographical positions of the sampling localities along the northern Persian Gulf. 1, Salakh; 2, Toula; 3, Baghestan; 4, Charak-Aftab; 5, Chahak.
Figure 2 in Activity and reproductive patterns of lizards in the Chaco of Argentina
Figure 2. Number of lizards captured during the study. Abbreviations: Tt: Teius teyou, Sd: Stenocercus doellojuradoi, Te: Tropidurus etheridgei, Lch: Liolaemus chacoensis, Hf: Homonota fasciata, Lp: Leiosaurus paronae, Vr: Vanzosaura rubricauda, Tr: Tupinambis rufescens, Md: Mabuya dorsivittata, Cs: Cnemidophorus serranus, Lsp: Liolaemus sp.
Figure 4 in Influence of CO -induced seawater acidification on the development and lifetime reproduction of Tigriopus japonicus Mori, 1938
Figure 4. Effect of carbon dioxide (CO2)-driven seawater acidification on total number of nauplii (N = 3) produced by Tigriopus japonicus females over the duration of the experiment (median indicated with a bar; quartiles, minimum and maximum shown).
Figure 3 in Influence of CO -induced seawater acidification on the development and lifetime reproduction of Tigriopus japonicus Mori, 1938
Figure 3. Proportion of egg sacs that successfully produced nauplii (N = 3) at four pH levels (median indicated with a bar; quartiles, minimum and maximum also shown).
Figure 6 in Influence of CO -induced seawater acidification on the development and lifetime reproduction of Tigriopus japonicus Mori, 1938
Figure 6. Variation in number of nauplii [mean ± standard deviation (SD), N = 3] produced by Tigriopus japonicus females over successive broods at four pH levels.
Figure 2 in Influence of CO -induced seawater acidification on the development and lifetime reproduction of Tigriopus japonicus Mori, 1938
Figure 2. Effect of carbon dioxide (CO2)-induced seawater acidification on the number of broods (N = 3) produced by females of Tigriopus japonicus over the duration of the experiment (median indicated with a bar; quartiles, minimum and maximum also shown).
Figure 3 in Observations on age and reproduction of the oceanic squid Ancistrocheirus lesueurii (d'Orbigny, 1842) (Cephalopoda: Ancistrocheiridae)
Figure 3. Ancistrocheirus lesueurii. (A) Statolith section of a mature intersexual male (ML 275 mm) in which 761 increments could be counted. The areas in boxes are enlarged in B, C and D, where B is the nucleus, C shows regular increments past the mid part of the rostrum and D shows the increments in the periphery of the rostrum.
Sex, shells, and weaponry: Coercive reproductive tactics in the Painted Turtle, Chrysemys picta
<p><strong>Abstract. </strong>Males and females have divergent reproductive interests arising from their unequal investments in offspring. This sexual conflict drives an antagonistic arms-race that influences sex-specific reproductive success. Alternative reproductive tactics are expected in long-lived species for which the reproductive strategy that maximizes mating success could differ across body sizes. The mating strategy of the painted turtle (<em>Chrysemys picta</em>) has been characterized as an elaborate and amiable male courtship display during which males use their elongate foreclaws to stroke females, coupled with female mate choice. Contrary to this long-held understanding, <em>in situ</em> field observations and experimental trials from our long-term study in Algonquin Provincial Park, Canada, demonstrate that males also exhibit an alternative, coercive mating strategy. Males are equipped with sexually-size dimorphic tomiodonts, tooth-like cusps of the beak, as well as a weaponized anterior shell, with which they wound the head and neck of females. Behavioral trials during the breeding periods showed that male reproductive tactics shift from courtship (foreclaw display) to coercion (striking, biting, and forced submergence) across ontogeny, and male size predicts the occurrence and frequency of coercive behavior. We found phenotype-behavior matching whereby small males invest in putatively ornamental foreclaws used for courtship and large males invest in weaponry for coercion, challenging existing knowledge of this well-studied species. As a group with a long evolutionary history and varied mating systems, Testudines are a particularly interesting taxon in which to ask questions about mating system evolution.</p>
Reproduction package for the paper "Correlating spectral and timing properties in the evolving jet of themicro blazar MAXI J1836-194"
<p>Basic reproduction package for the paper in the title; it contains all the necessary information and scripts required to replicate the results and plots, minus the proprietary code used (which can be found on github on request).</p>
Reproduction package for the paper "Mapping the spectral index of Cas A: evidence for flattening from radio to infrared"
<p>This is a basic reproduction package for the paper "Mapping the spectral index of Cas A: evidence for flattening from radio to infrared" by V. Domček et al. (2021). It provides raw, intermediate and final data sets, including figures and scripts to allow the reproduction of the work performed in this paper. It also lists software used and data archives containing the public observational data. </p> <p>An open access version of the paper can be found at https://arxiv.org/abs/2005.12677</p>
Fig. 8 in Reproductive biology of Poecilia sphenops Valenciennes, 1846 (Cyprinidontiformes: Poeciliidae) at the Emiliano Zapata Reservoir in Morelos, Mexico
Fig. 8. Seasonal variation of chlorophyll a concentration (mg/m³), water temperature (°C) and dissolved oxygen (mg/L) at Emiliano Zapata Reservoir.
Fig. 7 in Reproductive biology of Poecilia sphenops Valenciennes, 1846 (Cyprinidontiformes: Poeciliidae) at the Emiliano Zapata Reservoir in Morelos, Mexico
Fig. 7. Seasonal variation of the condition index (K) of P. sphenops in the Emiliano Zapata Reservoir.
Fig. 6 in Reproductive biology of Poecilia sphenops Valenciennes, 1846 (Cyprinidontiformes: Poeciliidae) at the Emiliano Zapata Reservoir in Morelos, Mexico
Fig. 6. Seasonal variation of the gonadosomatic index (GSI) for Poecilia sphenops females (a) and males (b).
Fig. 1 in Reproductive biology of Poecilia sphenops Valenciennes, 1846 (Cyprinidontiformes: Poeciliidae) at the Emiliano Zapata Reservoir in Morelos, Mexico
Fig. 1. Map showing location of the study area in Mexico where Poecilia sphenops samples were collected.
Fig. 2 in Reproductive biology of Poecilia sphenops Valenciennes, 1846 (Cyprinidontiformes: Poeciliidae) at the Emiliano Zapata Reservoir in Morelos, Mexico
Fig. 2. Length frequency distribution by sex for Poecilia sphenops at Emiliano Zapata Reservoir, Mexico.
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.