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Fig. 4 in Pseudoleucochloridium ainohelicis nom. nov. (Trematoda: Panopistidae), a Replacement for Glaphyrostomum soricis Found from Long-Clawed Shrews in Hokkaido, Japan, with New Data on its Intermediate Hosts
Fig. 4. The cercaria and metacercaria of Pseudoleucochloridium ainohelicis nom. nov. from Ainohelix editha. Both of the drawings are in ventral view. A) Cercaria. Scale bar 100 µm; B) Metacercaria. Scale bar 500 µm.
Fig. 1 in Pseudoleucochloridium ainohelicis nom. nov. (Trematoda: Panopistidae), a Replacement for Glaphyrostomum soricis Found from Long-Clawed Shrews in Hokkaido, Japan, with New Data on its Intermediate Hosts
Fig. 1. Frequencies of cox1 haplotypes and their statistical parsimony network in Pseudoleucochloridium ainohelicis nom. nov. All of the twelve isolates were collected in Asahikawa. The size of circles indicates the frequency of the haplotypes. Small circles show hypothetical haplotypes. The shaded circle represents the hypothetical ancestor.
Fig. 5 in Pseudoleucochloridium ainohelicis nom. nov. (Trematoda: Panopistidae), a Replacement for Glaphyrostomum soricis Found from Long-Clawed Shrews in Hokkaido, Japan, with New Data on its Intermediate Hosts
Fig. 5. The adult of Pseudoleucochloridium ainohelicis nom. nov. from Sorex unguiculatus. The drawing is in ventral view. The large suckers, M-shaped configuration of uterus, and terminally-positioned genital pore are characteristic of the genus. Scale bar 500 µm.
Figure 2 in Theobroma cacao, a new host for Brevipalpus yothersi (Acari: Tenuipalpidae) in Peru
Figure 2 Population of Brevipalpus yothersi in fruits: A – Fruit with dark brown epicarp infested by high populations; B – All forms of development ofB. yothersi in the epicarp; C – Females and immatures mobiles ofB. yothersi in fruits; D – General view of multiple exuvia (white skins) ofB. yothersi from the epicarp of the same fruit.
Figure 1 in Theobroma cacao, a new host for Brevipalpus yothersi (Acari: Tenuipalpidae) in Peru
Figure 1 Morphological characteristics ofBrevipalpus yothersi. female: A – dorsal propodosoma; B – opisthosoma; C – ventral view of the anal and genital regions; D – adult female spermatheca (indicated by arrow). Scale bars = 30µm.
Figure 7 in Stylostome of the trombiculid mite larvaeNeotrombicula talmiensis (Schluger, 1955) (Acariformes, Trombiculidae) feeding on two host species in the Russian Far East
Figure 7 Stylostomes of Neotrombicula talmiensis(Schluger, 1955) larvae in the skin of the Asian chipmunkTamias sibiricus(Laxmann, 1769). Histological sections of aural cavity. Azure II-Eosin. A – Young stylostome composed of one eosinophil cone with the already developed feeding cavity situated within the upper epidermal layers. Note the grayish substance underneath the eosinophil cone arrow(). Scale bar – 50 μm; B – Young stylostome at the initial stage of development with the nearly empty feeding cavity underneath it. Note that the pale-grey substance
Figure 6 in Stylostome of the trombiculid mite larvaeNeotrombicula talmiensis (Schluger, 1955) (Acariformes, Trombiculidae) feeding on two host species in the Russian Far East
Figure 6 Skin injury of the Asian chipmunkTamias sibiricus(Laxmann, 1769) during feeding ofNeotrombicula talmiensis(Schluger, 1955) larvae. Histological sections of aural cavity. Azure II-Eosin. A - General view of aural cavity damaged by numerous feeding larvae. Note the differently developed stylostomes evolving within scabs. Scale bar – 500 μm; B – Two young closely disposed stylostomes evolving within epidermis. Note the numerous larvae at different feeding stages occupying the aural cavity. The feeding cavity is barely expressed. Scale bar 200 μm; C – Two young stylostomes of the recently attached larvae at different developmental stages evolving within the epidermis showing the large feeding cavity filled with numerous inflammatory cells. — car – aural cartilage, der – dermis, ec – eosinophil cone, ep – epidermis fc – feeding cavity, lar – larvae, sb – scab, st – stylostome, stc – stratum corneum
Figure 5 in Stylostome of the trombiculid mite larvaeNeotrombicula talmiensis (Schluger, 1955) (Acariformes, Trombiculidae) feeding on two host species in the Russian Far East
Figure 5 Skin injury of voles Myodes rufocanusSundevall, 1846 and stylostomes ofNeotrombicula talmiensis(Schluger, 1955) larvae. Histological sections. Azure II-Eosin. A – Several stylostomes evolving in both hypertrophic epidermis and penetrating into the strongly expressed feeding cavities filled with numerous infiltrating cells and cell debris. Note the grayish substance at the periphery of stylostomesarrows(). Scale bar – 100 μm; B – Two closely disposed stylostomes evolving within the cell association of the broken inflammatory and epidermal cells (arrows). Scale bar – 50 μm; C – Three differently arranged stylostomes evolving within the pronounced feeding cavity tightly packed with the broken inflammatory and epidermal cells fused to form a scab. Note the grayish substance at the periphery of stylostomesarrows(). Scale
Figure 4 in Stylostome of the trombiculid mite larvaeNeotrombicula talmiensis (Schluger, 1955) (Acariformes, Trombiculidae) feeding on two host species in the Russian Far East
Figure 4 Stylostomes of Neotrombicula talmiensis(Schluger, 1955) larvae in the skin of volesMyodes rufocanusSundevall, 1846. Histological sections. Azure II-Eosin. A – Young stylostome evolved in the hypertrophic stratum corneum. Note the active stratum lucidum surrounding growing stylostome and feeding cavity filled with a flocculent material without inflammatory cells. Stylostome canal is also empty. Scale bar
Figure 3 in Stylostome of the trombiculid mite larvaeNeotrombicula talmiensis (Schluger, 1955) (Acariformes, Trombiculidae) feeding on two host species in the Russian Far East
Figure 3 Skin injury of voles Myodes rufocanusSundevall, 1846 during feeding ofNeotrombicula talmiensis(Schluger, 1955) larvae. Histological sections of aural cavity. Azure II-Eosin. A – General view of aural cavity damaged by feeding larvae. Scale bar – 200 μm; B
Figure 2 in Stylostome of the trombiculid mite larvaeNeotrombicula talmiensis (Schluger, 1955) (Acariformes, Trombiculidae) feeding on two host species in the Russian Far East
Figure 2 Cheliceral blades and sites of attachment ofNeotrombicula talmiensis(Schluger, 1955) larvae. SEM. A – Cheliceral blades, dorsal view. Arrows show two small barbs on the tip of the cheliceral blades, the third barb is not visible.Arrowheadpoints to a groove on the medial surface of the cheliceral blade. Scale bar – 10 μm; B – Cheliceral blades, lateral view.Arrows indicate hardly noticeable barbs on the tip of the cheliceral blades (tricuspid cap). Scale bar – 10 μm; C – Sites of the larval attachment on the vole skin (arrows). Scale bar – 40 μm; D
Figure 1 in Stylostome of the trombiculid mite larvaeNeotrombicula talmiensis (Schluger, 1955) (Acariformes, Trombiculidae) feeding on two host species in the Russian Far East
Figure 1 Organization ofNeotrombicula talmiensis(Schluger, 1955) larvae. SEM. A – Scutum (one of sensilla broken). Scale bar – 40 μm; B – Paired eye and posterolateral seta of scutum.Arrow points to a pore on the scutal surface. Scale bar – 10 μm; C – Gnathosoma, dorsal view (palpal claws not visible). Arrows show branched setae on palpal femur, genu, and tibia (ventral seta of tibia and palpal tarsus not shown
SBF-SEM datasets related to the manuscript "Trans-cellular tunnels induced by the fungal pathogen Candida albicans facilitate invasion through successive epithelial cells without host damage" by Lachat et al, 2022.
<p>11 serial block face- scanning electron microscopy (SBF-SEM) datasets described in the manuscript "Trans-cellular tunnels induced by the fungal pathogen Candida albicans facilitate invasion through successive epithelial cells without host damage" by Lachat et al, 2022.</p> <p>Resolution: 10 nm x,y, 100 nm Z.</p> <p>Datasets description and quantification can be found in the Supplementary information.</p>
Utetheisa ornatrix development and defence on four Crotalaria host plants
<p>This dataset consists of data from three experiments testing how four different Crotalaria host plants affect Utetheisa ornatrix development and defence against a spider.</p> <p>The data are to be published in a paper accepted in Entomologia Experimentalis et Applicata</p>
Figures 10–19 in New larval host plants and ecological observations on North American Cerambycidae (Coleoptera)
Figures 10–19. Larval host plants of Cerambycidae. 10) An old log of Quercus alba covered with lichens and mosses that harbored Typocerus lugubris, exit holes in the inset. 11–12) Quercus sp. stem girdled by Aneflomorpha fisheri. 13) Elongated future emergence hole of Aneflus paracalvatus in Prosopis velutina (holes of A. calvatus in Senegalia greggii are similar). 14) Fig. 13 after removal of a layer of wood – plug in the turn is visible, remnants of the tunnel leading to the plug can be seen due to their darker color. 15) Sclerotized terminal segment of Aneflus levettei larva (dorsal view). 16) Larva of Aneflus calvatus (ventral view) with the terminal segment bearing spikes but not having the area between them sclerotized. 17) Holes along a branch of Quercus emoryi through which Atylostagma glabra expelled frass. 18) Empty central tunnels of A. glabra (split branch from Fig. 17). 19). Future emergence holes of A. glabra on a branch of Quercus emoryi.
Figures 1–7 in New larval host plants and ecological observations on North American Cerambycidae (Coleoptera)
Figures 1–7. Larval host plants of Cerambycidae. 1–2) Decayed branches of Fagus grandifolia utilized by Sphenostethus taslei, emergence hole is in Fig. 1, exposed larva in a gallery in Fig. 2. 3–4) Stump of Prunus serotina with emergence holes from Lepthorhabdium pictum. 5) Quercus falcata with a basidiocarp of Phellinus everhartii and an emergence hole from Stenelytrana emarginata (enlarged in the inset). 6) Quercus emoryi with resupinate basidiocarp of Inonotus andersonii. 7) Old emergence holes of Stenelytrana splendens in an oak with an old resupinate basidiocarp of Inonotus andersonii.
Figures 20–26 in New larval host plants and ecological observations on North American Cerambycidae (Coleoptera)
Figures 20–26. Larval host plants of Cerambycidae. 20) Galleries of Haplidus laticeps in Vachelia constricta. 21) One sealed opening in a branch of Quercus used by larvae of Metaleptus batesi to expel frass (enlarged in inset). 22) Exit holes of Obrium rubidium on a dead limb of Robinia pseudoacacia (enlarged in inset). 23) Galleries of O. rubidium on a cross-section. 24) Elongated exit holes of Smodicum cucujiforme in a scar on living Quercus (enlarged in the inset). 25) A pile of yellow granular frass around a base of living Mimosa expelled by larvae of Stenaspis solitaria. 26) Pink pupa of Sternidius alpha.
Comparative genomics of eight aphid subfamilies reveals variable relationships between host horizontally-transferred genes and symbiont peptidoglycan metabolism.
<p>Genome assemblies, annotations, and orthologs of aphids (<em>Geopemphigus sp.</em>, <em>Stegophylla sp.</em>, <em>Chaitophorus viminalis</em>, and<em> Pemphigus obesinymphae</em>) and their symbionts. </p> <p>step1_final_assemblies_and_annotations.tar.gz: Aphid genomes and annotations</p> <p>step2_protein_evidence_used_for_genome_annotation.tar.gz: Protein evidence used for aphid genome annotation</p> <p>step3_amino_acid_inputs_for_aphid_orthologs: amino acid inputs for aphid ortholog assignmentt</p> <p>step5_buchnera_genomes_and_annotations.tar.gz: Buchnera genomes and annotations</p>
Coevolutionary theory of hosts and parasites
<p>Host and parasite evolution are closely intertwined, with selection for adaptations and counter-adaptations forming a coevolutionary feedback loop. Coevolutionary dynamics are often difficult to intuit due to these feedbacks and are hard to demonstrate empirically in most systems. Theoretical models have therefore played a crucial role in shaping our understanding of host-parasite coevolution. Theoretical models vary widely in their assumptions, approaches and aims, and such variety makes it difficult, especially for non-theoreticians and those new to the field, to: (1) understand how model approaches relate to one another; (2) identify key modelling assumptions; (3) determine how model assumptions relate to biological systems and (4) reconcile the results of different models with contrasting assumptions. In this review, we identify important model features, highlight key results and predictions and describe how these pertain to model assumptions. We carry out a literature survey of theoretical studies published since the 1950s (n=219 papers) to support our analysis. We identify two particularly important features of models that tend to have a significant qualitative impact on the outcome of host-parasite coevolution: population dynamics and the genetic basis of infection. We also highlight the importance of other modelling features, such as stochasticity and whether time proceeds continuously or in discrete steps, that have received less attention but can drastically alter coevolutionary dynamics. We finish by summarising recent developments in the field, specifically the trend towards greater model complexity, and discuss likely future directions for research.</p>
Data from: Virus infection and host plant suitability affect feeding behaviors of cannabis aphid (Hemiptera: Aphididae), a newly described vector of potato virus Y
<p>Aphids are the most prolific vectors of plant viruses resulting in significant yield losses to crops worldwide. P<span>otato virus Y (PVY) </span>is transmitted in a non-persistent manner by 65 species of aphids. <span>With the increasing acreage of hemp </span>(<i>Cannabis sativa</i> L.) (Rosales: Cannabaceae) <span>in the U.S, we were interested to know if the cannabis aphid (<i>Phorodon cannabis</i> Passerini) </span><span>(Hemiptera: Aphididae) </span><span>is a potential vector of PVY.</span> Here, we conduct transmission assays and utilize the electrical penetration graph (EPG) technique to determine whether cannabis aphids can transmit PVY to hemp (host) and potato (non-host) (<i>Solanum tuberosum</i> L.) (Solanales: Solanaceace). We show for the first time that the cannabis aphid is an efficient vector of PVY to hemp (96%) and potato (91%) using cohorts of aphids. In contrast, individual aphids transmitted the virus more efficiently to hemp (63%) compared to potato (19%). During the initial 15 minutes of EPG recordings, aphids demonstrated lower number and time spent performing intracellular punctures on potato compared to hemp, which may in part explain low virus transmission to potato using individual aphids. During the entire 8-hour recording, viruliferous aphids spent less time ingesting phloem compared to non-viruliferous aphids on hemp. This reduced host suitability could potentially cause aphids to disperse to more suitable hosts thereby increasing virus transmission. Overall, our study shows that cannabis aphid is an efficient vector of PVY, and that virus infection and host plant suitability affect feeding behaviors of the cannabis aphid in ways which may increase virus transmission.</p>
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.