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2,819 results for “eggs”
[Data from:] Genetic Analysis Reveals Three Novel QTLs Underpinning a Butterfly Egg-Induced Hypersensitive Response-Like Cell Death in Brassica Rapa
<p><strong>Background</strong></p> <p>Cabbage white butterflies (<em>Pieris</em> spp.) can be severe pests of <em>Brassica</em> crops such as Chinese cabbage, Pak choi (<em>Brassica rapa</em>) or cabbages (<em>B. oleracea</em>). Eggs of <em>Pieris</em> spp. can induce a hypersensitive response-like (HR-like) cell death which reduces egg survival in the wild black mustard (<em>B. nigra</em>). Unravelling the genetic basis of this egg-killing trait in <em>Brassica</em> crops could improve crop resistance to herbivory, reducing major crop losses and pesticides use. Here we investigated the genetic architecture of a HR-like cell death induced by <em>P. brassicae</em> eggs in <em>B. rapa.</em></p> <p><strong>Results</strong></p> <p>A germplasm screening of <em>B. rapa</em> 56 accessions, representing the genetic and geographical diversity of a <em>B. rapa</em> core collection, showed phenotypic variation for cell death. An image-based phenotyping protocol was developed to accurately measure size of HR-like cell death and was then used to identify two accessions that consistently showed weak (R-o-18) or strong cell death response (L58). Screening of 160 RILs derived from these two accessions resulted in three novel QTLs for P<em>ieris</em> b<em>rassicae-</em>induced cell death on chromosomes A02 (<em>Pbc1</em>), A03 (<em>Pbc2</em>), and A06 (<em>Pbc3</em>). The three QTLs <em>Pbc1-3</em> contain cell surface receptors, intracellular receptors and other genes involved in plant immunity processes, such as ROS accumulation and cell death formation. Synteny analysis with <em>A. thaliana</em> suggested that <em>Pbc1</em> and <em>Pbc2</em> are novel QTLs associated with this trait, while <em>Pbc3</em> contains also LecRK-I.1, a gene of <em>A. thaliana</em> previously associated with cell death induced by a <em>P. brassicae</em> egg extract.</p> <p><strong>Conclusions</strong></p> <p>This study provides the first genomic regions associated with the <em>Pieris</em> egg-induced HR-like cell death in a <em>Brassica</em> crop species. It is a step closer towards unravelling the genetic basis of an egg-killing crop resistance trait, paving the way for breeders to further fine-map and validate candidate genes.</p>
Pre- and post-oviposition behavioural strategies to protect eggs against extreme winter cold in an insect with maternal care
<p>Data set and R script supporting the publication entitled "<strong>Pre- and post-oviposition behavioural strategies to protect eggs against extreme winter cold in an insect with maternal care" </strong>by Jean-Claude Tourneur, Claire Cole, Jess Vickruck, Simon Dupont and Joël Meunier.</p> <ul> <li>Script Earwig oviposition - Zenodo v2.R = R script allowing to conduct the stats and obtain the figures presented in the manuscript</li> <li>Part I - Zenodo.txt = Data set of the first part of the experiment about the location of females and eggs until oviposition (included)</li> <li>Part II - Zenodo v2.txt = Data set of the second part of the experiment about the location of eggs after oviposition</li> <li>Readme.txt = details of the variables present in the 2 data sets</li> </ul>
Exceptional variation in the appearance of Common Murre eggs reveals their potential as identity signals
<p>We studied the ground colors and maculations of 161 Common Murre (Uria aalge) eggs laid by 43 females in 3 small breeding groups on the cliffs of Skomer Island, Wales, in 2016–2018. Both the colors and maculations varied much more among than within females, providing quantitative evidence for the egg traits that might facilitate the parents' ability to identify their own eggs on the crowded breeding ledges where the density is typically ~20 eggs m–2. Ground colors had a trimodal distribution of hue values (whitish to pale brown, pale blue, or vivid blue-green) and maculations ranged from none to complex squiggles and blotches. The eggs laid by each female in different years were similar to one another, and replacement eggs laid by females within years were also more similar to their first egg than to other eggs in the same breeding group. Egg appearance did not differ among the 3 breeding groups that we studied. Our findings thus support anecdotal observations that, within and between years, female Common Murres lay eggs that have similar ground colors and maculations. We do not, however, find evidence that there is much difference among the eggs laid in different parts of a colony.</p>
Sphingolipids are involved in Pieris brassicae egg-induced cell death in Arabidopsis thaliana
<p>This table contains mean + SEM values of sphingolipid levels by LC-MS analysis in Arabidopsis thaliana (wild-type and mutant lines) and Brassica nigra (wild-type) in response to egg extract of Pieris brassicae, as well as P-values for selected comparisons by Welsch t-test. These data were used for Fig. 7 and Fig. 8 of Groux et al. 2022</p> <p> </p> <p> </p> <p> </p>
Fig. 3 in Egg Batches Parasitism Of Processionary Moth, Thaumetopoea Pityocampa (Lepidoptera, Thaumetopoeidae), From Two Atlas Cedar Ecotypes In Algeria
Fig. 3. Distribution of the number of egg rows in relation to the twig diameter in Chréa (A), and Ouled Yagoub (B).
Fig. 1 in Egg Batches Parasitism Of Processionary Moth, Thaumetopoea Pityocampa (Lepidoptera, Thaumetopoeidae), From Two Atlas Cedar Ecotypes In Algeria
Fig. 1. Eggs batches of Thaumetopoea pityocampa: A — cylindrical form; B — egg batches in thick twigs; C — types of eggs.
Fig. 1 in The First Record And Description Of Male Of Paralongidorus Rex (Nematoda, Longidoridae) From Ukraine With Comments On Female Uterine Eggs Morphology
Fig. 1. Paralongidorus rex Andrássy, 1986: A — female anterior region; B — part of female genital branch with egg; C — amphid; D — spicules; E — accessory pieces; F — male posterior region; G — supplements. Scale bar A–G, 10 µm.
Fig. 12 in Key To The Species Of Ukrainian Notodontid Moths (Lepidoptera, Notodontidae) On The Egg Characters
Fig. 12. Eggs of Notodontidae: 1 — Odontosia carmelita, part of lateral area; 2 — Drymonia velitaris, part of lateral area; 3 — Odontosia sieversii, part of lateral area; 4 — Drymonia dodonaea, part of lateral area; 5 — Ptilodon capucina, part of lateral area; 6 — Ptilodon cucullina, part of lateral area. Scale bars 1–6 (10 µm).
Fig. 11 in Key To The Species Of Ukrainian Notodontid Moths (Lepidoptera, Notodontidae) On The Egg Characters
Fig. 11. Eggs of Notodontidae: 1 — Phalera bucephaloides, part of lateral area; 2 — Pygaera timon, part of apical region; 3 — Pygaera timon, part of lateral area; 4 — Clostera pigra, lateral area; 5 — Clostera anachoreta, part of lateral area; 6 — Gluphisia crenata, part of lateral area. Scale bars: 4 (50 µm); 6 (20 µm); 1–3, 5 (10 µm).
Fig. 10 in Key To The Species Of Ukrainian Notodontid Moths (Lepidoptera, Notodontidae) On The Egg Characters
Fig. 10. Eggs of Notodontidae: 1 — Dicranura ulmi; 2 — Pygaera timon; 3 — Gluphisia crenata; 4 —Dicranura ulmi, apical region; 5 — Dicranura ulmi, part of lateral area; 6 —Phalera bucephala, part of lateral area. Scale bars: 1–3 (100 µm); 4–6 (10 µm).
Fig. 9 in Key To The Species Of Ukrainian Notodontid Moths (Lepidoptera, Notodontidae) On The Egg Characters
Fig. 9. Eggs of Notodontidae: 1 — Pterostoma palpina, transition region; 2 — Pterostoma palpina, part of lateral area; 3 — Pterostoma palpina, micropylar area; 4 — Peridea anceps, part of lateral area; 5 — Peridea anceps, micropylar area; 6 — Phalera bucephala; Scale bars: 6 (100 µm); 1–5 (10 µm).
Fig. 8 in Key To The Species Of Ukrainian Notodontid Moths (Lepidoptera, Notodontidae) On The Egg Characters
Fig. 8. Eggs of Notodontidae: 1 — Closteraanastomosis; 2 — Pheosia tremula, micropylar area; 3— Pheosia tremula, apical region; 4 — Notodonta tritophus, micropylar area; 5 —Notodonta tritophus, apical region; 6 — Pterostoma palpina, apical region. Scale bars: 1, 6 (100 µm); 2–5 (10 µm).
Fig. 5 in Key To The Species Of Ukrainian Notodontid Moths (Lepidoptera, Notodontidae) On The Egg Characters
Fig. 5. Eggs of Notodontidae: 1 — Furcula bifida, part of lateral area; 2 — Furcula furcula, micropylar area; 3 — Furcula bicuspis, micropylar area; 4 — Furcula bifida, micropylar area; 5 — Furcula aeruginosа, micropylar area; 6 — Stauropus fagi. Scale bars: 6 (100 µm); 1–5 (10 µm).
Fig. 4 in Key To The Species Of Ukrainian Notodontid Moths (Lepidoptera, Notodontidae) On The Egg Characters
Fig. 4. Eggs of Notodontidae: 1 — Cerura erminea; 2 — Spatalia argentina; 3 — Pterostoma palpina; 4 — Dicranura ulmi; 5 — Ptilophora plumigera, part of lateral area; 6 — Cerura vinula, part of lateral area. Scale bars: 1 (200 µm); 2–4 (100 µm); 5, 6 (10 µm).
Fig. 3 in Key To The Species Of Ukrainian Notodontid Moths (Lepidoptera, Notodontidae) On The Egg Characters
Fig. 3. Eggs of Notodontidae: 1 — Clostera anastomosis (photo by Andrey Ponomarev); 2 — Phalera bucephala (photo by Wolfgang Wagner); 3 — Pygaera timon; 4 — Clostera pigra (photo by Karl Rasch); 5 — Clostera anachoreta (photo by Olaf Beckmann).
Fig. 2 in Key To The Species Of Ukrainian Notodontid Moths (Lepidoptera, Notodontidae) On The Egg Characters
Fig. 2. Eggs of Notodontidae: 1 — Cerura vinula (photo by Paul Brothers); 2 — Cerura intermedia; 3 — Furcula furcula; 4 — Harpyia milhauseri (photo by Tymo Muus); 5 — Harpyia milhauseri (photo by Paolo Mazzei); 6 — Clostera anastomosis (photo by Andrey Ponomarev).
Fig. 1 in Key To The Species Of Ukrainian Notodontid Moths (Lepidoptera, Notodontidae) On The Egg Characters
Fig. 1. Eggs of Notodontidae: 1 — Thaumetopoea processionea (photo by György Csóka); 2 — Cerura erminea; 3 — Cerura erminea; 4 — Dicranura ulmi; 5 — Dicranura ulmi; 6 — Ptilophora plumigera (photo by Wolfgang Wagner).
Fig. 25–30 in Egg Morphology Of Some Nolidae And Erebidae (Lepidoptera, Noctuoidea)
Fig. 25–30. Eggs of Erebidae, Catocalinae: 25–28 — Catocala elocata; 29, 30 — Catocala nupta. Scale bars: 25, 26, 29, 30 — 100 µm; 27, 28 — 10 µm.
Fig. 13–18 in Egg Morphology Of Some Nolidae And Erebidae (Lepidoptera, Noctuoidea)
Fig. 13–18. Eggs of Erebidae: Phytometrinae: 13–15 — Colobochyla salicalis; Catocalinae: 16–18 — Euclidia glyphica. Scale bars: 13, 16 — 100 µm; 14, 15, 17, 18 — 10 µm.
Fig. 7–12 in Egg Morphology Of Some Nolidae And Erebidae (Lepidoptera, Noctuoidea)
Fig. 7–12. Eggs of Erebidae: Hermeniinae: 7, 8 — Pechipogo strigilata; Hypeninae: 9–11 — Hypena proboscidalis; Phytometrinae: 12 — Colobochyla salicalis. Scale bars: 7–11 — 10 µm; 12 — 100 µm.
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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.