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13,621 results for “Biologics”
Figure 2 in Breeding biology of the Small Bee-eater Merops orientalis (Latham, 1801) in Nagapattinam District, Tamil Nadu, India
Figure 2. Growth patterns of several body structures of Small Bee-eater nestlings
Two leaves that cannot die: the genome sequence of Welwitschia mirabilis reveals its unique biology and evolutionary history
<p>Welwitschia mirabilis (hereafter Welwitschia), the sole species in Welwitschiales, belongs to gnetophytes, an ancient, enigmatic gymnosperm lineage. It is a strikingly bizarre plant with distinctive morphology of just two large ever-elongating leaves and is remarkable in being able to survive extreme environmental stresses of the Namibian and Angolan deserts. Here, we provide a chromosome-level assembly of its genome (6.8 Gb/1C) and extensive methylome and transcriptome data to reveal the genetics underpinning its intriguing biology. The Welwitschia genome has been shaped by a lineage-specific ancient whole genome duplication ~ 86 million years ago, and more recently (within 10 million years) by bursts of retrotransposon activity. In addition, high levels of cytosine methylation, extremely so for CHH motifs, are associated with retrotransposons, whilst their long-term deamination has resulted in an exceptionally GC-poor genome. High levels of methylation are likely to be responses to maintain genomic integrity in the face of stress-induced retroelement mobility while reduced GC content will confer a genomic advantage under nutrient limitation. Changes in the copy number and/or expression of key gene families and specific transcription factors (e.g. R2R3MYB, SAUR) controlling cell growth, differentiation and metabolism underpin the plant's extreme longevity under increasing temperature, nutrient and water stress. The Welwitschia chromosome level assembly here, along with a new high-quality assembly for Gnetum montanum, enhances our understanding of genome evolution in gnetophytes. It also provides critical new insights into the extraordinary development of Welwitschia's ever-growing leaves, enabling its survival in such hostile conditions.</p>
Figure 1 in Breeding biology of the Small Bee-eater Merops orientalis (Latham, 1801) in Nagapattinam District, Tamil Nadu, India
Figure 1. Clutch size in Small Bee-eater (N = 56)
Image 1 in Pollination biology of Impatiens cuspidata Wight and Arn. (Balsaminaceae), a rare and endemic balsam of the Western Ghats, India
Image 1. Pollination biology of Impatiens cuspidata
Figure 1 in Pollination biology of Impatiens cuspidata Wight and Arn. (Balsaminaceae), a rare and endemic balsam of the Western Ghats, India
Figure 1. The study area in the Western Ghats
Figures 70-72 in Morphology and biological notes of Macrosiagon octomaculata (Gerstaecker) triungulinid and a summary of the knowledge on immature stages of the genus (Ripiphoridae)
Figures 70-72. Myzinum sp. (Thynnidae) habitus. (70) lateral; (71) dorsal; (72) fronto-dorsal. Scale bar refers only to Figure 70.
Figures 77-83 in Morphology and biological notes of Macrosiagon octomaculata (Gerstaecker) triungulinid and a summary of the knowledge on immature stages of the genus (Ripiphoridae)
Figures 77-83. Macrosiagon octomaculata (Gerstaecker, 1855) and Myzinum sp. (Thynnidae) in natural habit. (77) light brown phenotype female resting on Paepalanthus polyanthus leaves; (78) female in the field feeding on capitula of P. polyanthus; (79) female with ovipositor everted touching flowers of capitula; (80)Myzinum sp. feeding on the flowers of umbel; (81) Myzinum sp. with one triungulinid anchored on its wing, note that larva is facing towards the wasp body and parallel to the wing vein; (82-83) triungulinid attached to the wasp wing, (82) lateral, (83) dorso-lateral.
Figures 65-69 in Morphology and biological notes of Macrosiagon octomaculata (Gerstaecker) triungulinid and a summary of the knowledge on immature stages of the genus (Ripiphoridae)
Figures 65-69. Macrosiagon octomaculata (Gerstaecker, 1855) triungulinid. SEM images. (65) foreleg, trochanter and detail of proximal area of femur, ventral; (66) abdomen, ventro-lateral, notice lateral white spots of abdominal spiracles (red arrow); (67) abdomen and right hind leg, ventral, St. I to St. IX – Sternites I to IX. (68) abdominal appendage, ventral; (69) abdominal appendage latero-posterior, note the spiracle on abdominal segment VIII (red arrow).
Figures 62-64 in Morphology and biological notes of Macrosiagon octomaculata (Gerstaecker) triungulinid and a summary of the knowledge on immature stages of the genus (Ripiphoridae)
Figures 62-64. Macrosiagon octomaculata (Gerstaecker, 1855) triungulinid. SEM images. (62) median pretarsus, ventral; (63-64) posterior pretarsus, (63) ventral, (64) dorsal.
Figures 53-60 in Morphology and biological notes of Macrosiagon octomaculata (Gerstaecker) triungulinid and a summary of the knowledge on immature stages of the genus (Ripiphoridae)
Figures 53-60. Macrosiagon octomaculata (Gerstaecker, 1855) triungulinid. SEM images. (53) head, ventral; (54) anterior part of head, ventral (red circle indicates sensitive area); (55) right side of head, ventral; (56) right legs and thoracic sclerites, ventro-lateral; (57) thorax, legs and part of abdomen, ventral, pros-plt – prosternal plate, mes-plt – mesosternal plate, met-plt – metasternal plate (red arrow: stout setae of prosternum); (58) right posterior leg, ventral (red arrow: longitudinal tibial depression, femur keel); (59) part of femur of right median leg with keel (red arrow), dorsal; (60) part of femur of right anterior leg, dorsal.
Figure 61 in Morphology and biological notes of Macrosiagon octomaculata (Gerstaecker) triungulinid and a summary of the knowledge on immature stages of the genus (Ripiphoridae)
Figure 61. Macrosiagon octomaculata (Gerstaecker, 1855) triungulinid. SEM images. Left side of prosternum and foreleg showing left coxa, trochanter, femur, tibia, and pad-like pretarsus, ventral.
Figures 73-76 in Morphology and biological notes of Macrosiagon octomaculata (Gerstaecker) triungulinid and a summary of the knowledge on immature stages of the genus (Ripiphoridae)
Figures 73-76. Macrosiagon octomaculata (Gerstaecker, 1855) and Paepalanthus polyanthus Bong (Sano). (73-74) eggs with pharate triungulinids and triungulinids recently hatched on the base of scapes; (75-76) triungulinids actively occupying the upper part of the plant, crawling on the flowers and at the top of anthers.
Figures 45-52 in Morphology and biological notes of Macrosiagon octomaculata (Gerstaecker) triungulinid and a summary of the knowledge on immature stages of the genus (Ripiphoridae)
Figures 45-52. Macrosiagon octomaculata (Gerstaecker, 1855) triungulinid. SEM images. (45) right antenna, ventral; (46) right stemmata and antenna, lateral; (47) antenna, ventral,S – sensorium; (48) anterior area of right stipes; (49) head, ventro-lateral; (50) head and prothorax, ventral; (51) anterior part of head, ventral; (52) mandibles and ventro-frontal part of labrum (red circle: sensitive area of labrum; red arrow: microsetae of madibles).
Figures 36-44 in Morphology and biological notes of Macrosiagon octomaculata (Gerstaecker) triungulinid and a summary of the knowledge on immature stages of the genus (Ripiphoridae)
Figures 36-44. Macrosiagon octomaculata (Gerstaecker, 1855) triungulinid. SEM images. (36) head, labrum, and antennae, dorsal; (37) detail of head, with short setae, and microsculpture of integument, dorsal; (38-39) head, labrum and antennae, lateral and frontal; (40) amplification of figure 38, left antenna, lateral view of head; (41) left antenna, dorso-anterior, S – sensorium; (42) left antenna, dorso-posterior; (43) detail of first antennomere and pore, dorso-posterior; (44) lateral view of antennal insertion.
Figures 27-29 in Morphology and biological notes of Macrosiagon octomaculata (Gerstaecker) triungulinid and a summary of the knowledge on immature stages of the genus (Ripiphoridae)
Figures 27-29. Macrosiagon octomaculata (Gerstaecker, 1855) triungulinid. Optical microscope photograph. Thorax. (27) prosternum, pros-plt – prosternal plate; (28) mesosternum, mes-plt – mesosternal plate; (29) metasternum, met-plt – metasternal plate.
Data from: Acoustically advertising male harbour seals in southeast Alaska do not make biologically relevant acoustic adjustments in the presence of vessel noise
Aquatically breeding harbour seal (Phoca vitulina) males use underwater vocalizations during the breeding season to establish underwater territories, defend territories against intruder males, and possibly to attract females. Vessel noise overlaps in frequency with these vocalizations and could negatively impact breeding success by limiting communication space. In this study we investigated whether harbour seals employed anti-masking strategies to maintain communication in the presence of vessel noise in Glacier Bay National Park and Preserve, Alaska. Harbour seals in this location did not sufficiently adjust source levels or acoustic parameters of vocalizations to compensate for acoustic masking. Instead, for every 1 dB increase in ambient noise, signal excess decreased by 0.84 dB, indicating a reduction in communication space when vessels passed. We suggest that harbour seals may already be acoustically advertising at or near a biologically maximal sound level, and therefore lack the ability to increase call amplitude to adjust to changes in their acoustic environment. This may have significant implications for this aquatically breeding pinniped, particularly for populations in high noise regions.
Figures 7-10 in Morphology and biological notes of Macrosiagon octomaculata (Gerstaecker) triungulinid and a summary of the knowledge on immature stages of the genus (Ripiphoridae)
Figures 7-10. Macrosiagon octomaculata (Gerstaecker, 1855) female adult. Dorsal color patterns of pronotum and elytra of four specimens. Black areas are black colored in the specimens and white areas are light brown, as in Figures 1 and 3. From (7) to (10) shows lighter to darker specimens.
Figures 18-19 in Morphology and biological notes of Macrosiagon octomaculata (Gerstaecker) triungulinid and a summary of the knowledge on immature stages of the genus (Ripiphoridae)
Figures 18-19. Macrosiagon octomaculata (Gerstaecker, 1855) triungulinid habitus and chaetotaxy. (18) dorsal; (19) ventral. T. I to T. IX – Tergites I to IX.
Figures 16-17 in Morphology and biological notes of Macrosiagon octomaculata (Gerstaecker) triungulinid and a summary of the knowledge on immature stages of the genus (Ripiphoridae)
Figures 16-17. Macrosiagon octomaculata (Gerstaecker, 1855) female terminal abdominal segments. (16) position at resting of tergite and sterniteVIII and IX, ventral; (17) part of last tergite and sternite VIII, dorsal.
Figures 11-15 in Morphology and biological notes of Macrosiagon octomaculata (Gerstaecker) triungulinid and a summary of the knowledge on immature stages of the genus (Ripiphoridae)
Figures 11-15. Macrosiagon octomaculata (Gerstaecker, 1855) female reproductive organs. (11) sternite VIII and last tergite, with sternite IX and ovipositor extroverted outwards; (12) part of sternite VII, sternite IX with short setae, and last tergite; (13) distal part of ovipositor, dorsal; (14) internal surface of sternite IX; (15) surface near proximal part of ovipositor with sensilla associated with large compartment chambers.
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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.