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14 results for “reproductive suppression”
Non-adapted bacterial infection suppresses plant reproduction
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Data from: Suppression of reproductive characteristics of the invasive plant Mikania micrantha by sweet potato competition
Background: As a means of biologically controlling Mikania micrantha H.B.K. in Yunnan, China, the influence of sweet potato [Ipomoea batatas (L.) Lam.] on its reproductive characteristics was studied. The trial utilized a de Wit replacement series incorporating six ratios of sweet potato and M. micrantha plants in 25 m2 plots over two years. Results: Budding of M. micrantha occurred at the end of September; flowering and fruiting occurred from October to February. Flowering phenology of M. micrantha was delayed (P<0.05), duration of flowering and fruiting was reduced (P<0.05) and duration of bud formation was increased (P<0.05) with increasing proportions of sweet potato. Reproductive allocation, reproductive investment and reproductive index of M. micrantha were significantly reduced (P<0.05) with increasing sweet potato densities. Apidae bees, and Calliphoridae or Syrphidae flies were the most abundant visitors to M. micrantha flowers. Overall flower visits decreased (P<0.05) as sweet potato increased. Thus the mechanism by which sweet potato suppressed sexual reproduction in M. micrantha was essentially two-fold: causing a delay in flowering phenology and reducing pollinator visits. The number, biomass, length, set rate, germination rate, and 1000-grain dry weight of M. micrantha seeds were suppressed (P<0.05) by sweet potato competition. With proportional increases in sweet potato, sexual and asexual seedling populations of M. micrantha were significantly reduced (P<0.05). The mortality of both seedling types increased (P<0.05) with proportional increases in sweet potato. Conclusions: These results suggest that sweet potato significantly suppresses the reproductive ability of the invasive species M. micrantha, and is a promising alternative to traditional biological control and other methods of control. Planting sweet potato in conjunction with other control methods could provide a comprehensive strategy for managing M. micrantha. The scenario of controlling M. micrantha by utilizing a crop with a similar growth form may provide a useful model for similar management strategies in other systems.
F I G U R E 5 in Domperidone treatment attenuates stress-induced suppression of reproduction in viviparous mosquitofish Gambusia affinis
F I G U R E 5 Mean effect of stress and domperidone (DOM) treatment on follicular atresia in Gambusia affinis. Groups with identical superscripts indicate no significant difference (P <0.05; oneway ANOVA followed by Tukey's test; n = 10 in each experimental group; df = 49; F = 15.231)
F I G U R E 1 in Domperidone treatment attenuates stress-induced suppression of reproduction in viviparous mosquitofish Gambusia affinis
F I G U R E 1 Mean effect of stress and domperidone (DOM) treatment on a total body mass (MT) and b total length (LT) in five different experimental groups of Gambusia affinis. Groups with identical superscripts indicate no significant difference (P <0.05; oneway ANOVA followed by Tukey's test (n = 10 in each experimental group; df = 49; F = 8.325)
F I G U R E 3 in Domperidone treatment attenuates stress-induced suppression of reproduction in viviparous mosquitofish Gambusia affinis
F I G U R E 3 Photomicrographs of transverse sections of brain in Gambusia affinis showing the TH–immunoreactive (TH-ir) cells () and fibres () in different experimental groups: (a)–(c) initial control; (d)–(f) experimental control; (g)–(i) stress group; (j), (k) domperidone (DOM) treated group; (l)– (n) stress + DOM treated fish. Figures a, b, f, g & k-m are rhodamine labelled; other images are IHC labelled, wherein the colour was obtained after peroxidise action on chromogenic substrate, 3-amino–9-ethyl-carbazole. NPO, nucleus preopticus; POA, preoptic area; V, ventricle. Scale bar: (a) & (d) 200 μm; others 50 μm
F I G U R E 2 in Domperidone treatment attenuates stress-induced suppression of reproduction in viviparous mosquitofish Gambusia affinis
F I G U R E 2 Photomicrographs of alexa fluor 488 labelled transverse sections through the proximal pars distalis (PPD) of the pituitary gland (P) in Gambusia affinis showing the GnRH-ir fibres (!) in (a), (b), initial control; (c), experimental control; (d), stress group; (e), domperidone (DOM) treated group; (f), stress + DOM treated fish. Scale bar: (a) 200 μm; (b)– (f) 50 μm
F I G U R E 4 in Domperidone treatment attenuates stress-induced suppression of reproduction in viviparous mosquitofish Gambusia affinis
F I G U R E 4 Photomicrographs showing cross sections of the ovary Gambusia affinis from: (a), initial control; (b), experimental control; (c), (d) stress; (e), domperidone (DOM) treated; (f), stress + DOM treated groups. I, II, III, IV and V, stages of follicular development; AT, atretic follicle; ON, oogonial nest. Scale bar 200 μm
Comparing Ovarian Stimulation for Assisted Reproduction With Two Different Forms of Pituitary Suppression
ClinicalTrials.gov study NCT01565265. IPD Sharing: Not stated. Countries: 1. Publications: 11.
Predation risk and mountain goat reproduction: Evidence for stress-induced breeding suppression in a wild ungulate
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Data from: Suppression of reproductive characteristics of the invasive plant Mikania micrantha by sweet potato competition
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Data from: Root-lesion nematodes suppress cabbage aphid population development by reducing aphid daily reproduction
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Data from: Maternal effects and population regulation: maternal density-induced reproduction suppression impairs offspring capacity in response to immediate environment in root voles Microtus oeconomus
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Neuronal mTORC1 inhibition promotes longevity without suppressing anabolic growth and reproduction in C. elegans
GEO Series GSE237060. Caenorhabditis elegans. 24 samples. Type: Expression profiling by high throughput sequencing.
Transportation stress suppress reproductive performance in female mice and relevant genes detection
GEO Series GSE146528. Mus musculus. 18 samples. Type: Expression profiling by array.
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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.