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Journal articles on the topic 'Mechanoreception'

Author: Grafiati

Published: 4 June 2021

Last updated: 2 February 2022

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1

Zhou, Yao, Li-Hui Cao, Xiu-Wen Sui, Xiao-Qing Guo, and Dong-Gen Luo. "Mechanosensory circuits coordinate two opposing motor actions in Drosophila feeding." Science Advances 5, no. 5 (May 2019): eaaw5141. http://dx.doi.org/10.1126/sciadv.aaw5141.

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Mechanoreception detects physical forces in the senses of hearing, touch, and proprioception. Here, we show that labellar mechanoreception wires two motor circuits to facilitate and terminate Drosophila feeding. Using patch-clamp recordings, we identified mechanosensory neurons (MSNs) in taste pegs of the inner labella and taste bristles of the outer labella, both of which rely on the same mechanoreceptor, NOMPC (no mechanoreceptor potential C), to transduce mechanical deflection. Connecting with distinct brain motor circuits, bristle MSNs drive labellar spread to facilitate feeding and peg MSNs elicit proboscis retraction to terminate feeding. Bitter sense modulates these two mechanosensory circuits in opposing manners, preventing labellar spread by bristle MSNs and promoting proboscis retraction by peg MSNs. Together, these labeled-line circuits enable labellar peg and bristle MSNs to use the same mechanoreceptors to direct opposing feeding actions and differentially integrate gustatory information in shaping feeding decisions.

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2

Moayedi, Yalda, Masashi Nakatani, and Ellen Lumpkin. "Mammalian mechanoreception." Scholarpedia 10, no. 3 (2015): 7265. http://dx.doi.org/10.4249/scholarpedia.7265.

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3

Sachs, Frederick. "Biophysics of Mechanoreception." Membrane Biochemistry 6, no. 2 (January 1986): 173–95. http://dx.doi.org/10.3109/09687688609065448.

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4

L�gier-Visser, M. F., J. G. Mitchell, A. Okubo, and J. A. Fuhrman. "Mechanoreception in calanoid copepods." Marine Biology 90, no. 4 (March 1986): 529–35. http://dx.doi.org/10.1007/bf00409273.

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5

Kamardin, N. N. "Probable mechanoreceptor structures of osphradia in marine Caenogastropoda." Ruthenica, Russian Malacological Journal 30, no. 1 (February 11, 2020): 33–39. http://dx.doi.org/10.35885/ruthenica.2021.30(1).4.

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TEM and SEM electron microscopy have been used to study osphradia in 6 species of marine Caenogastropoda. The ultrastructural features of mechanoreceptor cells that perform the Littorina osmoreception function in osphradium organs are presented. Mechanoreception is based on a possible change in the volume of cisterns of microvilli of supporting cells, which can be transmitted by the cilia of nearby mechanoreceptor cells. These cells obviously, have mechanosensory channels on the apical surface. It has been first discovered in predatory molluscs actively searching for food, that single receptor cells with a mobile sensilla consisting of several cilium were joined together. They are located along the groove zone and follow the direction and force of the movement of water along the osphradium petals.

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6

Pettigrew, J. D. "Electroreception in monotremes." Journal of Experimental Biology 202, no. 10 (May 15, 1999): 1447–54. http://dx.doi.org/10.1242/jeb.202.10.1447.

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I will briefly review the history of the bill sense of the platypus, a sophisticated combination of electroreception and mechanoreception that coordinates information about aquatic prey provided from the bill skin mechanoreceptors and electroreceptors, and provide an evolutionary account of electroreception in the three extant species of monotreme (and what can be inferred of their ancestors). Electroreception in monotremes is compared and contrasted with the extensive body of work on electric fish, and an account of the central processing of mechanoreceptive and electroreceptive input in the somatosensory neocortex of the platypus, where sophisticated calculations seem to enable a complete three-dimensional fix on prey, is given.

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7

Van Doren, Clayton L., Ronald T. Verrillo, George A. Gescheider, and Bradley F. Sklar. "A triplex model of cutaneous mechanoreception." Journal of the Acoustical Society of America 77, S1 (April 1985): S51—S52. http://dx.doi.org/10.1121/1.2022384.

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8

Fujiu, Kenta, Yoshitaka Nakayama, Hidetoshi Iida, Masahiro Sokabe, and Kenjiro Yoshimura. "Mechanoreception in motile flagella of Chlamydomonas." Nature Cell Biology 13, no. 5 (April 10, 2011): 630–32. http://dx.doi.org/10.1038/ncb2214.

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9

Higgs, D., and L. Fuiman. "Ontogeny of visual and mechanosensory structure and function in Atlantic menhaden Brevoortia tyrannus." Journal of Experimental Biology 199, no. 12 (December 1, 1996): 2619–29. http://dx.doi.org/10.1242/jeb.199.12.2619.

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The importance of visual, mechanoreceptive and auditory inputs to escape responses was examined in larvae of the Atlantic menhaden (Brevoortia tyrannus) presented with a simulated predatory stimulus. Ontogenetic changes in the retina, superficial neuromasts and auditory bullae were examined in concert with behavioral trials in which sensory inputs were selectively blocked. Menhaden larvae showed a decrease in cone photoreceptor density and first developed rod photoreceptors when their total length (TL) reached 810 mm; they began summing photoreceptive inputs at 1214 mm TL. Inflation of the auditory bullae was complete by 15 mm TL. The proliferation of superficial neuromasts varied depending on their location, with cephalic superficial neuromasts decreasing in number beginning at 19 mm TL and numbers of trunk neuromasts continuing to increase throughout the larval period. In behavioral trials, responsiveness and the reactive distance to the approaching probe increased with increasing larva total length when all sensory inputs were available (control larvae). When visual inputs were blocked, responsiveness was lower than in control larvae, but still increased ontogenetically, while reactive distance showed no difference between control larvae and those lacking visual information. When neuromasts were ablated, ontogenetic increases in responsiveness and reactive distance were absent. Inflation of the auditory bullae had no discernible effect on behavior. The anatomical and behavioral results suggest that both vision and mechanoreception are used to trigger a response to a looming predatory stimulus and that mechanoreception, but not vision, contributes to the timing of the response. Ontogenetic improvements in performance are attributed mainly to neuromast proliferation and not to ontogenetic changes in the retina.

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10

Thurm, Ulrich, Martin Brinkmann, Rainer Golz, Matthias Holtmann, Dominik Oliver, and Thiemo Sieger. "Mechanoreception and synaptic transmission of hydrozoan nematocytes." Hydrobiologia 530-531, no. 1-3 (November 2004): 97–105. http://dx.doi.org/10.1007/s10750-004-2679-z.

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11

Wang, Liangliang, and Zheng Wang. "Mechanoreception for Soft Robots via Intuitive Body Cues." Soft Robotics 7, no. 2 (April 1, 2020): 198–217. http://dx.doi.org/10.1089/soro.2018.0135.

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12

ARKETT, S. A., G. O. MACKIE, and R. W. MEECH. "Hair Cell Mechanoreception in the Jellyfish Aglantha Digitale." Journal of Experimental Biology 135, no. 1 (March 1, 1988): 329–42. http://dx.doi.org/10.1242/jeb.135.1.329.

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1. The jellyfish Aglantha digitale is equipped with clusters of hair cells on the velum and on the tentacle bases. The cells have a central non-motile cilium surrounded by a collar of microvilli. The microvilli are graded in length, from long on one side to short on the other, giving the collar a marked polarity. The hair cells are set in specific orientations in all regions where they occur, as shown by this polarity. 2. Small mechanical displacements of the velum or tentacles in the vicinity of the hair cells evoke bursts of potentials which can be recorded extracellularly from the outer nerve ring. Intracellular recordings from the ring giant axon, which is implicated in escape locomotion, show patterns of facilitating EPSPs correlated with these potentials. Hair cell input may be important in feeding as well as in locomotory behaviour. 3. Three classes of hair cells were studied: those of the tentacle bases (T cells) and those of the velum (C cells and F cells). Direct stimulation of the tentacle bases shows that the T cells respond to slight mechanical displacements. To distinguish the functions of the C cells and F cells, which lie close together, a laser was used to ablate selectively one or other kind. It was found that the C cells respond to small mechanical displacements of the velum but no response could be assigned to the F cells.

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13

Duggan, Anne, Jaime Garcı́a-Añoveros, and David P. Corey. "Insect mechanoreception: What a long, strange TRP it’s been." Current Biology 10, no. 10 (May 2000): R384—R387. http://dx.doi.org/10.1016/s0960-9822(00)00478-4.

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14

MONTGOMERY, John C., Shane WINDSOR, and Daniel BASSETT. "Behavior and physiology of mechanoreception: separating signal and noise." Integrative Zoology 4, no. 1 (March 2009): 3–12. http://dx.doi.org/10.1111/j.1749-4877.2008.00130.x.

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15

Klages, Michael, and Sergey I. Muyakshin. "Mechanoreception for food fall detection in deep sea scavengers." Journal of the Acoustical Society of America 105, no. 2 (February 1999): 1113. http://dx.doi.org/10.1121/1.425204.

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16

Gasparski, Alexander N., and Karen A. Beningo. "Mechanoreception at the cell membrane: More than the integrins." Archives of Biochemistry and Biophysics 586 (November 2015): 20–26. http://dx.doi.org/10.1016/j.abb.2015.07.017.

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17

Yen, Jeannette, Petra H. Lenz, Donald V. Gassie, and Daniel K. Hartline. "Mechanoreception in marine copepods: electrophysiological studies on the first antennae." Journal of Plankton Research 14, no. 4 (1992): 495–512. http://dx.doi.org/10.1093/plankt/14.4.495.

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18

Blinn, Dean W., and Ronald W. Davies. "The evolutionary importance of mechanoreception in three erpobdellid leech species." Oecologia 79, no. 1 (April 1989): 6–9. http://dx.doi.org/10.1007/bf00378232.

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19

Kernan, M. "Genetic dissection of mechanosensory transduction: Mechanoreception-defective mutations of drosophila." Neuron 12, no. 6 (June 1994): 1195–206. http://dx.doi.org/10.1016/0896-6273(94)90437-5.

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20

Yoshimura, K. "A novel type of mechanoreception by the flagella of Chlamydomonas." Journal of Experimental Biology 199, no. 2 (February 1, 1996): 295–302. http://dx.doi.org/10.1242/jeb.199.2.295.

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A novel type of mechanosensory mechanism is found in Chlamydomonas reinhardtii. When a cell is captured with a suction pipette and a negative pressure is applied, the cell produces repetitive Ca2+ impulses at a frequency of 0.5-1.0 Hz. The impulse frequency increases with the applied pressure. The impulses are produced when the flagella are sucked into the pipette but not when the cell body is sucked in leaving the flagella outside the pipette. Cells with short flagella produce impulses of small amplitude. Thus, the site where the cell senses mechanical stimuli and generates the impulse current must be localized at the flagella. The amplitude, shape and ion selectivity of the pressure-induced impulses are distinct from the all-or-none flagellar current that is evoked by photostimulation. The impulses are possibly produced by a combination of currents passing through mechanosensitive channels and Ca2+ channels. This response probably functions to modulate flagellar beating and thereby to regulate the behaviour of the cell.

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21

Uzsák, Adrienn, James Dieffenderfer, Alper Bozkurt, and Coby Schal. "Social facilitation of insect reproduction with motor-driven tactile stimuli." Proceedings of the Royal Society B: Biological Sciences 281, no. 1783 (May 22, 2014): 20140325. http://dx.doi.org/10.1098/rspb.2014.0325.

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Tactile stimuli provide animals with important information about the environment, including physical features such as obstacles, and biologically relevant cues related to food, mates, hosts and predators. The antennae, the principal sensory organs of insects, house an array of sensory receptors for olfaction, gustation, audition, nociception, balance, stability, graviception, static electric fields, and thermo-, hygro- and mechanoreception. The antennae, being the anteriormost sensory appendages, play a prominent role in social interactions with conspecifics that involve primarily chemosensory and tactile stimuli. In the German cockroach ( Blattella germanica ) antennal contact during social interactions modulates brain-regulated juvenile hormone production, ultimately accelerating the reproductive rate in females. The primary sensory modality mediating this social facilitation of reproduction is antennal mechanoreception. We investigated the key elements, or stimulus features, of antennal contact that socially facilitate reproduction in B. germanica females. Using motor-driven antenna mimics, we assessed the physiological responses of females to artificial tactile stimulation. Our results indicate that tactile stimulation with artificial materials, some deviating significantly from the native antennal morphology, can facilitate female reproduction. However, none of the artificial stimuli matched the effects of social interactions with a conspecific female.

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22

French, Andrew S., and Päivi H. Torkkeli. "Mechanotransduction in spider slit sensilla." Canadian Journal of Physiology and Pharmacology 82, no. 8-9 (July 1, 2004): 541–48. http://dx.doi.org/10.1139/y04-031.

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Mechanoreception is a vital constituent of several sensory modalities and a wide range of internal regulatory processes, but fundamental mechanisms for neural detection of mechanical stimuli have been difficult to characterize because of the morphological properties of most mechanoreceptors and the nature of the stimulus itself. An invertebrate preparation, the VS-3 lyriform slit sense organ of the spider, Cupiennius salei, has proved useful because it possesses large mechanosensory neurons, whose cell bodies are close to the sites of sensory transduction, and accessible to intracellular recording during mechanotransduction. This has made it possible to observe and experiment with all the major stages of mechanosensation. Here, we describe several important findings from this preparation, including the estimated number, conductance and ionic selectivity of the ion channels responsible for mechanotransduction, the major voltage-activated ion channels responsible for action potential encoding and control of the dynamic properties of the neurons, the location of action potential initiation following mechanical stimulation, and the efferent control of mechanoreception. While many details of mechanosensation remain to be discovered, the VS-3 system continues to offer important opportunities to advance our understanding of this crucial physiological process.Key words: mechanosensation, noise analysis, sensory adaptation, encoding, dendritic conduction, efferent control, peripheral modulation.

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23

Blinn, Dean W., Chris Pinney, and Vincent T. Wagner. "Intraspecifîc discrimination of amphipod prey by a freshwater leech through mechanoreception." Canadian Journal of Zoology 66, no. 2 (February 1, 1988): 427–30. http://dx.doi.org/10.1139/z88-061.

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We recorded the vibrations produced by different age-classes of swimming amphipods (Hyalella montezuma). Adult H. montezuma produced a more continuous signal, while juveniles produced an intermittent signal (22 – 28 pulses/s). The leech Erpobdella montezuma demonstrated a significantly greater attack response for playback recordings of juvenile amphipod prey. Intermittent signals produced from an electronic generator were also attacked by E. montezuma at a significantly greater rate than more continuous electronic signals. This provides evidence that E. montezuma can distinguish between juvenile and adult H. montezuma prey by mechanoreception.

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24

Freire, R., M. A. Eastwood, and M. Joyce. "Minor beak trimming in chickens leads to loss of mechanoreception and magnetoreception1." Journal of Animal Science 89, no. 4 (April 1, 2011): 1201–6. http://dx.doi.org/10.2527/jas.2010-3129.

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25

Rosenberg, Jörg, and Reinhold Necker. "Fine structural evidence of mechanoreception in spinal lumbosacral accessory lobes of pigeons." Neuroscience Letters 285, no. 1 (May 2000): 13–16. http://dx.doi.org/10.1016/s0304-3940(00)01006-5.

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26

Klages, Michael, Sergey Muyakshin, Thomas Soltwedel, and Wolf E. Arntz. "Mechanoreception, a possible mechanism for food fall detection in deep-sea scavengers." Deep Sea Research Part I: Oceanographic Research Papers 49, no. 1 (January 2002): 143–55. http://dx.doi.org/10.1016/s0967-0637(01)00047-4.

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27

Singh, Narinderpal, Changlu Wang, and Richard Cooper. "Role of Vision and Mechanoreception in Bed Bug, Cimex lectularius L. Behavior." PLOS ONE 10, no. 3 (March 6, 2015): e0118855. http://dx.doi.org/10.1371/journal.pone.0118855.

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28

Gescheider, George A., Bradley F. Sklar, Clayton L. Van Doren, and Ronald T. Verrillo. "Vibrotactile forward masking: Psychophysical evidence for a triplex theory of cutaneous mechanoreception." Journal of the Acoustical Society of America 78, no. 2 (August 1985): 534–43. http://dx.doi.org/10.1121/1.392475.

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29

Jákli, A., J. Harden, C. Notz, and C. Bailey. "Piezoelectricity of phospholipids: a possible mechanism for mechanoreception and magnetoreception in biology." Liquid Crystals 35, no. 4 (April 2008): 395–400. http://dx.doi.org/10.1080/02678290801905658.

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30

Vedel, J. P. "Cuticular mechanoreception in the antennal flagellum of the rock lobster Palinurus vulgaris." Comparative Biochemistry and Physiology Part A: Physiology 80, no. 2 (January 1985): 151–58. http://dx.doi.org/10.1016/0300-9629(85)90532-8.

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31

Kladt, Nikolay, Harald Wolf, and Hans-Georg Heinzel. "Mechanoreception by cuticular sensilla on the pectines of the scorpion Pandinus cavimanus." Journal of Comparative Physiology A 193, no. 10 (August 23, 2007): 1033–43. http://dx.doi.org/10.1007/s00359-007-0254-6.

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32

Vallbo, A˚ke, Ha˚kan Olausson, Johan Wessberg, and Ulf Norrsell. "A system of unmyelinated afferents for innocuous mechanoreception in the human skin." Brain Research 628, no. 1-2 (November 1993): 301–4. http://dx.doi.org/10.1016/0006-8993(93)90968-s.

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33

AYAS, NAJIB T, ROBERT BROWN, and STEVEN A SHEA. "Hypercapnia Can Induce Arousal from Sleep in the Absence of Altered Respiratory Mechanoreception." American Journal of Respiratory and Critical Care Medicine 162, no. 3 (September 2000): 1004–8. http://dx.doi.org/10.1164/ajrccm.162.3.9908040.

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34

Pfeiffer, Keram, Päivi H. Torkkeli, and Andrew S. French. "Activation of GABAA receptors modulates all stages of mechanoreception in spider mechanosensory neurons." Journal of Neurophysiology 107, no. 1 (January 2012): 196–204. http://dx.doi.org/10.1152/jn.00717.2011.

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GABAA receptors mediate mainly inhibitory effects, but there are also many examples of excitatory effects in both mammalian and invertebrate preparations. Here, we aimed to create a complete, quantitative picture of GABAA-mediated excitation in a mechanosensory neuron where this phenomenon has been well established. We used muscimol to activate GABAA receptors in spider VS-3 neurons and measured the dynamic behavior independently and separately at each of three stages of mechanoreception (receptor current, receptor potential, and action potentials) before and during modulation. We calculated frequency response functions between each stage, estimated information as signal entropy, and estimated information capacity from coherence. Since coherence is sensitive to both noise and nonlinearity, we measured signal-to-noise separately at each stage by averaging responses to repeated mechanical inputs. Muscimol depolarized VS-3 neurons and, after brief inhibition, increased their firing rates. During this excitation, we found significant changes at each stage. Receptor current was attenuated but became more selective to high frequencies. Membrane impedance and time constant fell, favoring higher frequency transmission from receptor current to receptor potential. Action potential firing increased and had higher total entropy. Information capacity from signal-to-noise was always much higher than from coherence, confirming that intracellular noise does not limit signal transmission in these neurons. We conclude that GABAA receptor activation shifts each stage of mechanotransduction to higher frequency sensitivity, while the elevated firing rate increases the amount of information that can be encoded. These results show that a single neurotransmitter can finely modulate a sensory neuron's sensitivity and ability to transmit information.

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35

Rubanyi, Gabor M., Ana D. Freay, Katalin Kauser, Anthony Johns, and David R. Harder. "Mechanoreception by the Endothelium: Mediators and Mechanisms of Pressure- and Flow-Induced Vascular Responses." Journal of Vascular Research 27, no. 2-5 (1990): 246–57. http://dx.doi.org/10.1159/000158816.

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36

EISEMANN, C. H., and M. J. RICE. "Behavioural evidence for hygro- and mechanoreception by ovipositor sensilla of Dacus tryoni (Diptera: Tephritidae)." Physiological Entomology 14, no. 3 (September 1989): 273–77. http://dx.doi.org/10.1111/j.1365-3032.1989.tb01093.x.

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37

Montalbano, Giuseppe, Maria Levanti, Kamel Mhalhel, Francesco Abbate, Rosaria Laurà, Maria Cristina Guerrera, Marialuisa Aragona, and Antonino Germanà. "Acid-Sensing Ion Channels in Zebrafish." Animals 11, no. 8 (August 23, 2021): 2471. http://dx.doi.org/10.3390/ani11082471.

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The ASICs, in mammals as in fish, control deviations from the physiological values of extracellular pH, and are involved in mechanoreception, nociception, or taste receptions. They are widely expressed in the central and peripheral nervous system. In this review, we summarized the data about the presence and localization of ASICs in different organs of zebrafish that represent one of the most used experimental models for the study of several diseases. In particular, we analyzed the data obtained by immunohistochemical and molecular biology techniques concerning the presence and expression of ASICs in the sensory organs, such as the olfactory rosette, lateral line, inner ear, taste buds, and in the gut and brain of zebrafish.

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38

Banes, Albert J., Mari Tsuzaki, Juro Yamamoto, Brian Brigman, Thomas Fischer, Thomas Brown, and Larry Miller. "Mechanoreception at the cellular level: the detection, interpretation, and diversity of responses to mechanical signals." Biochemistry and Cell Biology 73, no. 7-8 (July 1, 1995): 349–65. http://dx.doi.org/10.1139/o95-043.

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Cells from diverse tissues detect mechanical load signals by similar mechanisms but respond differently. The diversity of responses reflects the genotype of the cell and the mechanical demands of the resident tissue. We hypothesize that cells maintain a basal equilibrium stress state that is a function of the number and quality of focal adhesions, the polymerization state of the cytoskeleton, and the amount of extrinsic, applied mechanical deformation. A load stimulus detected by a mechano-electrochemical sensory system, including mechanically sensitive ion channels, integrin–cytoskeleton machinery, and (or) a load-conformation sensitive receptor or nonreceptor tyrosine kinase, may activate G proteins, induce second messengers, and activate an RPTK or JAK/STAT kinase cascade to elicit a response. We propose the terms autobaric to describe a self-loading process, whereby a cell increases its stress state by contracting and applying a mechanical load to itself, and parabaric, whereby a cell applies a load to an adjacent cell by direct contact or through the matrix. We predict that the setpoint for maintaining this basal stress state is affected by continuity of incoming mechanical signals as deformations that activate signalling pathways. A displacement of the cytoskeletal machinery may result in a conformational change in a kinase that results in autophosphorylation and cascade initiation. pp60Src is such a kinase and is part of a mechanosensory protein complex linking integrins with the cytoskeleton. Cyclic mechanical load induces rapid Src phosphorylation. Regulation of the extent of kinase activation in the pathway(s) may be controlled by modulators such as G proteins, kinase phosphorylation and activation, and kinase inhibitors or phosphatases. Intervention at the point of ras–raf interaction may be particularly important as a restriction point.Key words: mechanoreception, cells, in vitro, load deformation.

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39

Thewissen, Ruhl, and Enck. "On the adequate stimulus for rectal mechanoreception and perception: a study in cat and humans." Neurogastroenterology and Motility 12, no. 1 (February 2000): 43–52. http://dx.doi.org/10.1046/j.1365-2982.2000.00176.x.

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40

Kannari, Koichi, Osamu Sato, Takeyasu Maeda, Toshihiko Iwanaga, and Tsuneo Fujita. "A possible mechanism of mechanoreception in Ruffini endings in the periodontal ligament of hamster incisors." Journal of Comparative Neurology 313, no. 2 (November 8, 1991): 368–76. http://dx.doi.org/10.1002/cne.903130211.

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41

Klineberg, I., and G. Murray. "Osseoperception: Sensory Function and Proprioception." Advances in Dental Research 13, no. 1 (June 1999): 120–29. http://dx.doi.org/10.1177/08959374990130010101.

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Tooth loss and its replacement have significant functional and psychosocial consequences. The removal of intra-dental and periodontal mechanoreception accompanying tooth loss changes the fine proprioceptive control of jaw function and influences the precision of magnitude, direction, and rate of occlusal load application. With the loss of all teeth, complete denture restoration is a compromise replacement which only partially restores function. Implant-supported prostheses restore jaw function more appropriately, with improved psychophysiological discriminatory ability and oral stereognosis. Osseoperception is defined as depending on central influences from corollary discharge from cortico-motor commands to jaw muscles, and contributions from peripheral mechanoreceptors in orofacial and temporomandibular tissues. The processing of central influences is considered with the recognition of the plasticity of neuromotor mechanisms that occurs to accommodate the loss of dental and periodontal inputs.

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42

Advokat, Claire, and Marcus Duke. "Comparison of morphine-induced effects on thermal nociception, mechanoreception, and hind limb flexion in chronic spinal rats." Experimental and Clinical Psychopharmacology 7, no. 3 (1999): 219–25. http://dx.doi.org/10.1037/1064-1297.7.3.219.

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43

Jung, Julie, Su J. Kim, Sonia M. Pérez Arias, James G. McDaniel, and Karen M. Warkentin. "How do red-eyed treefrog embryos sense motion in predator attacks? Assessing the role of vestibular mechanoreception." Journal of Experimental Biology 222, no. 21 (October 4, 2019): jeb206052. http://dx.doi.org/10.1242/jeb.206052.

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44

Mogami, Yoshihiro, Chieko Oobayashi, Tomoko Yamaguchi, Yumi Ogiso, and Shoji A. Baba. "Negative Geotaxis in Sea Urchin Larvae: A Possible Role of Mechanoreception in the Late Stages of Development." Journal of Experimental Biology 137, no. 1 (July 1, 1988): 141–56. http://dx.doi.org/10.1242/jeb.137.1.141.

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Negative geotactic behaviour of sea urchin larvae at various developmental stages from blastula to pluteus was analysed by means of time-exposure dark-field photography of the swimming behaviour of individual larvae. Significant differences in the patterns of behaviour, such as swimming direction and speed, were demonstrated between the early stages (up to the gastrula) and the pluteus, although larvae at any developmental stage showed negative geotactic migration. Larvae in the early stages swam at speeds that varied as a function of the swimming direction with respect to gravity, faster downwards and slower upwards. This might be predicted from the assumption that vertical locomotion is determined by constant propulsion affected passively by gravity. In the pluteus stage, however, larvae swam at a constant speed in any direction, suggesting that the propulsive activity of swimming plutei is actively controlled depending on the swimming direction. This change in the negative geotactic behaviour of sea urchin larvae in the course of embryogenesis indicates development of physiological control systems for propulsive activity at the pluteus stage.

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Lodyga, Monika, Xiao-Hui Bai, Eric Mourgeon, Bing Han, Shaf Keshavjee, and Mingyao Liu. "Molecular cloning of actin filament-associated protein: a putative adaptor in stretch-induced Src activation." American Journal of Physiology-Lung Cellular and Molecular Physiology 283, no. 2 (August 1, 2002): L265—L274. http://dx.doi.org/10.1152/ajplung.00492.2001.

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Mechanical stretch-induced activation of c-Src is an important step for signal transduction of stretch-induced fetal rat lung cell proliferation. This process appears to be mediated through actin filament-associated protein (AFAP), encoded by a gene originally cloned from the chicken. In the present study, we cloned the rat AFAP gene from fetal rat lungs. Its mRNA and protein are differentially expressed among various tissues. The protein is colocalized with actin filaments in fetal rat lung epithelial cells and fibroblasts. Mechanical stretch increased tyrosine phosphorylation of rat AFAP and its binding to c-Src within the initial several minutes. Src SH2 and SH3 binding motifs are highly conserved in the AFAP proteins (from chicken, rat to human). On the basis of the molecular structure of AFAP protein, we speculate that it is an adaptor in mechanical stretch-induced activation of c-Src. A novel model of mechanoreception is proposed.

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Shu, H. D., J. A. Love, and J. H. Szurszewski. "Effect of enkephalins on colonic mechanoreceptor synaptic input to inferior mesenteric ganglion." American Journal of Physiology-Gastrointestinal and Liver Physiology 252, no. 1 (January 1, 1987): G128—G135. http://dx.doi.org/10.1152/ajpgi.1987.252.1.g128.

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The effects of leucine-enkephalin (Leu-Enk) on colonic mechanoreceptor input to the inferior mesenteric ganglion (IMG) and on colonic intraluminal pressure of the guinea pig were studied in vitro. Superfusion of the IMG with Leu-Enk decreased colonic, afferent mechanoreceptor synaptic input. In neurons in which mechanoreceptor input caused postsynaptic spikes, Leu-Enk decreased synaptic input and increased the basal intraluminal pressure of the colon. When mechanoreceptor input consisted of singly occurring excitatory postsynaptic potentials (EPSPs), Leu-Enk decreased the frequency of EPSPs but did not cause a change in colonic pressure. The inhibitory effects of Leu-Enk on synaptic transmission were antagonized by naloxone. In the isolated IMG, Leu-Enk converted synchronous action potentials in response to electrical stimulation of intermesenteric nerves to subthreshold EPSPs without a change in the resting membrane potential or input resistance. Action potentials elicited by depolarizing current pulses or by exogenous acetylcholine were unaltered by Leu-Enk. These data suggest that Leu-Enk increased colonic intraluminal pressure by acting on the presynaptic terminals of colonic mechanoreceptive neurons to reduce synaptic input to and output from the inhibitory neurons of the IMG.

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Werth, Alexander J. "Hydrodynamic and Sensory Factors Governing Response of Copepods to Simulated Predation by Balaenid Whales." International Journal of Ecology 2012 (2012): 1–13. http://dx.doi.org/10.1155/2012/208913.

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Predator/prey interactions between copepods and balaenid (bowhead and right) whales were studied with controlled lab experiments using moving baleen in still water and motionless baleen in flowing water to simulate zooplankton passage toward, into, and through the balaenid oral cavity. Copepods showed a lesser escape response to baleen and to a model head simulating balaenid oral hydrodynamics than to other objects. Copepod escape response increased as water flow and body size increased and was greatest at distances ≥10 cm from baleen and at copepod density = 10,000 m−3. Data from light/dark experiments suggest that escape is based on mechanoreception, not vision. The model head captured 88% of copepods. Results support previous research showing hydrodynamic effects within a whale’s oral cavity create slight suction pressures to draw in prey or at least preclude formation of an anterior compressive bow wave that could scatter or alert prey to the presence of the approaching whale.

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Nikolaev, Yury A., Viktor V. Feketa, Evan O. Anderson, Eve R. Schneider, Elena O. Gracheva, and Sviatoslav N. Bagriantsev. "Lamellar cells in Pacinian and Meissner corpuscles are touch sensors." Science Advances 6, no. 51 (December 2020): eabe6393. http://dx.doi.org/10.1126/sciadv.abe6393.

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The skin covering the human palm and other specialized tactile organs contains a high density of mechanosensory corpuscles tuned to detect transient pressure and vibration. These corpuscles comprise a sensory afferent neuron surrounded by lamellar cells. The neuronal afferent is thought to be the mechanical sensor, whereas the function of lamellar cells is unknown. We show that lamellar cells within Meissner and Pacinian corpuscles detect tactile stimuli. We develop a preparation of bill skin from tactile-specialist ducks that permits electrophysiological recordings from lamellar cells and demonstrate that they contain mechanically gated ion channels. We show that lamellar cells from Meissner corpuscles generate mechanically evoked action potentials using R-type voltage-gated calcium channels. These findings provide the first evidence for R-type channel-dependent action potentials in non-neuronal cells and demonstrate that lamellar cells actively detect touch. We propose that Meissner and Pacinian corpuscles use neuronal and non-neuronal mechanoreception to detect mechanical signals.

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Sokolinskaya, E. L., D. V. Kolesov, K. A. Lukyanov, and A. M. Bogdanov. "Molecular principles of insect chemoreception." Acta Naturae 12, no. 3 (October 27, 2020): 81–91. http://dx.doi.org/10.32607/actanaturae.11038.

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Chemoreception, an ability to perceive specific chemical stimuli, is one of the most evolutionarily ancient forms of interaction between living organisms and their environment. Chemoreception systems are found in organisms belonging to all biological kingdoms. In higher multicellular animals, chemoreception (along with photo- and mechanoreception) underlies the functioning of five traditional senses. Insects have developed a peculiar and one of the most sophisticated chemoreception systems, which exploits at least three receptor superfamilies providing perception of smell and taste, as well as chemical communication in these animals. The enormous diversity of physiologically relevant compounds in the environment has given rise to a wide-ranging repertoire of chemoreceptors of various specificities. Thus, in insects, they are represented by several structurally and functionally distinct protein classes and are encoded by hundreds of genes. In the current review, we briefly characterize the insect chemoreception system by describing the main groups of receptors that constitute it and putting emphasis on the peculiar architecture and mechanisms of functioning possessed by these molecules.

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Li, Zongbo, Pei Yang, Yanqiong Peng, and Darong Yang. "Ultrastructure of antennal sensilla of female Ceratosolen solmsi marchali (Hymenoptera: Chalcidoidea: Agaonidae: Agaoninae)." Canadian Entomologist 141, no. 5 (October 2009): 463–77. http://dx.doi.org/10.4039/n09-011.

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AbstractFig-pollinating wasps are phytophagous wasps that mainly use olfaction to locate their fig (Ficus L., Moraceae) hosts. To provide a morphological framework for studying agaonid olfaction, we examined the antennal sensilla of female Ceratosolen solmsi marchali Mayr by scanning and transmission electron microscopy. We identified and characterized (ultrastructure, distribution, abundance, and position) 13 types of sensilla: multiporous placoid sensilla (types 1 and 2), basiconic sensilla (types 1 and 2), basiconic capitate peg sensilla, sensilla chaetica (types 1–3), sensilla trichodea, sensilla coeloconica (types 1–3), and one specialized sensillum regarded as a sensillum obscurum. We suggest that five types are chemoreceptors because they are porous and innervated by multiple sensory neurons. Sensilla coeloconica type 1 may also function as chemoreceptors, based on external morphology. Other sensilla may be involved in mechanoreception, thermo- and (or) hygro-reception, or pressure detection. We discuss our results in relation to the lifestyle of C. solmsi marchali.

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