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84 results for “flower associations”
Data from: Associative learning of flowers by generalist bumble bees can be mediated by microbes on the petals
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Data from: Effects of landscape complexity on pollinators are moderated by pollinators’ association with mass-flowering crops
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Genetic mechanisms associated with floral initiation and the repressive effect of fruit on flowering in apple (Malus x domestica Borkh)
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Plant ontogeny determines strength and associated plant fitness consequences of plant-mediated interactions between herbivores and flower visitors
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Transcript expression data. Environmental responsiveness of flowering time in cassava genotypes and associated transcriptome changes
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Data from: Predictability and irreversibility of genetic changes associated with flower color evolution in Penstemon barbatus
Two outstanding questions in evolutionary biology are whether, and how often, the genetic basis of phenotypic evolution is predictable; and whether genetic change constrains evolutionary reversibility. We address these questions by studying the genetic basis of red flower color in Penstemon barbatus. The production of red flowers often involves the inactivation of one or both of two anthocyanin pathway genes, Flavonoid 3',5'-hydroxylase (F3'5'h) and Flavonoid 3'-hydroxylase (F3'h). We used gene expression and enzyme function assays to determine that redundant inactivating mutations to F3'5'h underlie the evolution of red flowers in P. barbatus. Comparison of our results to previously characterized shifts from blue to red flowers suggests that the genetic change associated with the evolution of red flowers is predictable: when it involves elimination of F3'5'H activity, functional inactivation or deletion of this gene tends to occur; however, when it involves elimination of F3'H activity, tissue-specific regulatory substitutions occur and the gene is not functionally inactivated. This pattern is consistent with emerging data from physiological experiments indicating that F3'h may have pleiotropic effects and is thus subject to purifying selection. The multiple, redundant inactivating mutations to F3'5'h suggest that reversal to blue-purple flowers in this group would be unlikely.
FIGURES 34–37 in Description of immatures and natural history of the weevil Loncophorus pustulatus (Champion, 1903) (Coleoptera: Curculionidae: Curculioninae) associated with flowers of Ceiba speciosa (A. St. - Hil.) Ravenna (Bombacoidea: Malvaceae) in southeast Brazil
FIGURES 34–37. Loncophorus pustulatus: 34—third instar larva, 35—pupa, 36—teneral adult, 37—adult.
Fig. 3. A–I in Ebenacobius Haran, a new southern African genus of flower weevils (Coleoptera: Curculioninae: Derelomini) associated with dicotyledonous plants
Fig. 3. A–I. Habitus of males of Ebenacobius Haran gen. nov. in dorsal view (part 2). A. E. mulanjensis Haran gen. et sp. nov. B. E. hessei Haran gen. et sp. nov. C. E. pedi Haran gen. et sp. nov. D. E. tsonga Haran gen. et sp. nov. E. E. hippopotamorum Haran gen. et sp. nov. F. E. incognitus (Hesse, 1929) gen. et comb. nov. G. E. oberprieleri Haran gen. et sp. nov. H. E. turneri (Marshall, 1935) gen. et comb. nov. I. E. rhodesianus (Hesse, 1929) gen. et comb. nov. Scale bars = 1 mm.
Figures 9-14 from: Mauss V, Müller A, Prosi R (2018) Flower associations and nesting of the pollen wasp Quartinia major Kohl, 1898 (Hymenoptera, Vespidae, Masarinae) in Morocco. Journal of Hymenoptera Research 62: 15-31. https://doi.org/10.3897/jhr.62.22879
Figures 9-14 Flower visiting behaviour of females of Quartinia major. 9 Nectar uptake from disc florets on capitulum of Asteriscus graveolens 10 Female with protruded proboscis taking up nectar from disc florets of Pulicaria mauritanica 11 Ingestion with the mouthparts of pollen grains that had accumulated on the fore legs 12 Female pressing pollen out of the corolla tube of a disc floret of P. mauritanica with her mouthparts, while the pollen grains accumulate above the corolla in front of her head surrounded by her antennae 13 Pollen uptake from disc floret of P. mauritanica a Female pressing pollen out of the corolla tube b female immediately afterwards ingesting pollen supported by her fore legs 14 Female brushing pollen from her exoskeleton with rapid alternating movements of her fore legs.
Figures 3-8 from: Mauss V, Müller A, Prosi R (2018) Flower associations and nesting of the pollen wasp Quartinia major Kohl, 1898 (Hymenoptera, Vespidae, Masarinae) in Morocco. Journal of Hymenoptera Research 62: 15-31. https://doi.org/10.3897/jhr.62.22879
Figures 3-8 3 Female of Quartinia major visiting disc florets on a capitulum of Pulicaria mauritanica. The proterandric disc florets open from the outer ones inwards. The mouthparts of the female are situated in the zone where disc florets are in an early male phase of anthesis 4 Location of nest CH of Q. major at locality I 5 Nest entrance of nest GB (viewed at an angle) 6 Nest entrance of nest CH (viewed from above) 7 Female of nest CH partly backed out of the turret moving slightly around her longitudinal axis with her mouthparts orientated towards the inner surface of the turret wall 8 Female of nest CH backing out of the nest carrying a load of soil particles with her mouthparts (visible between fore and mid femur).
Figure 15 from: Mauss V, Müller A, Prosi R (2018) Flower associations and nesting of the pollen wasp Quartinia major Kohl, 1898 (Hymenoptera, Vespidae, Masarinae) in Morocco. Journal of Hymenoptera Research 62: 15-31. https://doi.org/10.3897/jhr.62.22879
Figure 15 Schematic vertical cross sections of the nest architecture and brood cell arrangement of nest CH and nest GB of Quartinia major investigated on 15 April, 2017 at locality I (c = brood cell with cell number, ls = little stone, s = main shaft, t = turret).
Figures 1-2 from: Mauss V, Müller A, Prosi R (2018) Flower associations and nesting of the pollen wasp Quartinia major Kohl, 1898 (Hymenoptera, Vespidae, Masarinae) in Morocco. Journal of Hymenoptera Research 62: 15-31. https://doi.org/10.3897/jhr.62.22879
Figures 1-2 Habitat of Quartinia major. 1 Locality I, ruderal road side 20 km to the north of Tafraout, with yellow flowering dwarf shrubs of Pulicaria mauritanica. Two nests were found close to the little white flag in the foreground on the left 2 Locality II, wadi 2.75 km to the south-west of Ifrane Atlas Saghir, with yellow flowering plants of Asteriscus graveolens that were visited by females of Q. major.
Data from: Dearth of polymorphism associated with a sustained response to selection for flowering time in maize
Background: Long term selection experiments bring unique insights on the genetic architecture of quantitative traits and their evolvability. Indeed, they are utilized to (i) monitor changes in allele frequencies and assess the effects of genomic regions involved traits determinism; (ii) evaluate the role of standing variation versus new mutations during adaptation; (iii) investigate the contribution of non allelic interactions. Here we describe genetic and phenotypic evolution of two independent Divergent Selection Experiments (DSEs) for flowering time conducted during 16 years from two early maize inbred lines. Results: Our experimental design uses selfing as the mating system and small population sizes, so that two independent families evolved within each population, Late and Early. Observed patterns are strikingly similar between the two DSEs. We observed a significant response to selection in both directions during the first 7 generations of selection. Within Early families, the response is linear through 16 generations, consistent with the maintenance of genetic variance. Within Late families and despite maintenance of significant genetic variation across 17 generations, the response to selection reached a plateau after 7 generations. This plateau is likely caused by physiological limits. Residual heterozygosity in the initial inbreds can partly explain the observed responses as evidenced by 42 markers derived from both Methyl-Sensitive Amplification- and Amplified Fragment Length- Polymorphisms. Among the 42, a subset of 13 markers most of which are in high linkage disequilibrium, display a strong association with flowering time variation. Their fast fixation throughout DSEs' pedigrees results in strong genetic differentiation between populations and families. Conclusions: Our results reveal a paradox between the sustainability of the response to selection and the associated dearth of polymorphisms. Among other hypotheses, we discuss the maintenance of heritable variation by few mutations with strong epistatic interactions whose effects are modified by continuous changes of the genetic background through time.
Data and code associated with "How consistently do species leaf out or flower in the same order? Understanding the factors that shape this characteristic of plant communities."
<p>R script and data used in analyses for the manuscript, "How consistently do species leaf out or flower in the same order? Understanding the factors that shape this characteristic of plant communities." by C. Beiter & T. Crimmins, published in the International Journal of Biometeorology. </p> <p> </p>
Data from: Dearth of polymorphism associated with a sustained response to selection for flowering time in maize
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Data from: Predictability and irreversibility of genetic changes associated with flower color evolution in Penstemon barbatus
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Identification of flowering time genes associated with vernalization in Chinese cabbage and their differential expression in radish
GEO Series GSE106444. Brassica rapa subsp. pekinensis. 4 samples. Type: Expression profiling by high throughput sequencing.
Arabidopsis Flower and Embryo Developmental Genes are Repressed in Seedlings by Different Combinations of Polycomb Group Proteins in Association with Distinct Sets of Cis-regulatory Elements
GEO Series GSE67322. Arabidopsis thaliana. 29 samples. Type: Expression profiling by high throughput sequencing; Genome binding/occupancy profiling by high throughput sequencing.
Dissecting the molecular basis of flowering time in Camelina sativa through integration of WGCNA, eQTL analysis and transcriptome-wide association study
GEO Series GSE253393. Camelina sativa. 159 samples. Type: Expression profiling by high throughput sequencing.
Transcriptome analysis and identification of genes associated with lemon floral transition and flower development during floral inductive water deficits
GEO Series GSE90596. Citrus x limon. 9 samples. Type: Expression profiling by high throughput sequencing.
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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.