Bibliografie tematiche / Klinokinesis

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Letteratura scientifica selezionata sul tema "Klinokinesis"

Autore: Grafiati
Pubblicato: 4 giugno 2021
Ultima modifica: 1 febbraio 2022

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Articoli di riviste sul tema "Klinokinesis"

1

Budenberg, W. J. "Redefinition of klinokinesis is not appropriate". Animal Behaviour 42, n. 1 (luglio 1991): 156–58. http://dx.doi.org/10.1016/s0003-3472(05)80619-0.

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2

Dusenbery, David B. "Efficiency and the role of adaptation in klinokinesis". Journal of Theoretical Biology 136, n. 3 (febbraio 1989): 281–93. http://dx.doi.org/10.1016/s0022-5193(89)80164-x.

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3

Dusenbery, D. B. "The value of asymmetric signal processing in klinokinesis". Biological Cybernetics 61, n. 5 (settembre 1989): 401–4. http://dx.doi.org/10.1007/bf00200805.

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4

YAMAUCHI, Hidehiko, Hiroshi MATSUYAMA e Yoshiki AOKI. "P117 Schistosome miracidia : Chemo-klinokinesis for intermediate snail hosts". Medical Entomology and Zoology 52, Supplement (2001): 107. http://dx.doi.org/10.7601/mez.52.107_1.

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5

Campos, Daniel, Frederic Bartumeus, Vicenç Méndez e Xavier Espadaler. "Reorientation patterns in central-place foraging: internal clocks and klinokinesis". Journal of The Royal Society Interface 11, n. 90 (6 gennaio 2014): 20130859. http://dx.doi.org/10.1098/rsif.2013.0859.

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Abstract (sommario):
We study central-place foraging patterns of Aphaenogaster senilis ants at a population level by video framing individual ant trajectories in a circular arena with a nest connected to its centre. The ants naturally leave and enter the nest and forage generating non-trivial movement patterns around the nest. Our data analysis indicated that the trajectories observed can be classified into two strategies: the risk-averse strategy, which involves wandering around the nest without departing far from it and the risk-prone strategy, which involves long exploration paths with periodic returns to the central region, nearby the nest. We found that both risk-prone and risk-averse strategies exhibit qualitatively the same reorientation patterns, with the time between consecutive reorientations covering a wide range of scales, and fitting a stretched exponential function. Nevertheless, differences in the temporal scales and the time variability of such reorientation events differ, together with other aspects of motion, such as average speed and turns. Our results give experimental evidence that the internal mechanisms driving reorientations in ants tend to favour frequently long relocations, as theory predicts for efficient exploration in patchy landscapes, but ants engaged in central-place foraging can modulate such behaviour to control distances from the nest. Previous works on the species support the idea that risk-prone and risk-averse strategies may reflect actual differences between individuals age and experience; these factors (age and experience) should be then relevant in modulating the internal reorientation clocks. To support the validity of our findings, we develop a random-walk model combining stretched exponential reorientation clocks with klinokinesis that fits the time length and the travelled distance distributions of the observed trajectories.
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6

Williams, Brian. "Models of Trap Seeking by Tsetse Flies: Anemotaxis, Klinokinesis and Edge Detection". Journal of Theoretical Biology 168, n. 1 (maggio 1994): 105–15. http://dx.doi.org/10.1006/jtbi.1994.1091.

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7

Ward, Mandy J., Kenny C. Mok e David R. Zusman. "Myxococcus xanthus Displays Frz-Dependent Chemokinetic Behavior during Vegetative Swarming". Journal of Bacteriology 180, n. 2 (15 gennaio 1998): 440–43. http://dx.doi.org/10.1128/jb.180.2.440-443.1998.

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Abstract (sommario):
ABSTRACT Myxococcus xanthus has been shown to utilize both directed (tactic) and undirected (kinetic) movements during different stages of its complex life cycle. We have used time-lapse video microscopic analysis to separate tactic and kinetic behaviors associated specifically with vegetatively swarming cells. Isolated individual cells separated by a thin agar barrier from mature swarms showed significant increases in gliding velocity compared to that of similar cells some distance from the swarm. This orthokinetic behavior was independent of the frequency of reversals of gliding direction (klinokinesis) but did require both the Frz signal transduction system and S-motility. We propose that M. xanthus uses Frz-dependent, auto-orthokinetic behavior to facilitate the dispersal of cells under conditions where both cell density and nutrient levels are high.
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8

Takle, G. B., e A. M. Lackie. "Chemokinetic behaviour of insect haemocytes in vitro". Journal of Cell Science 85, n. 1 (1 settembre 1986): 85–94. http://dx.doi.org/10.1242/jcs.85.1.85.

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Abstract (sommario):
Time-lapse microphotography was used to film the locomotory behaviour of cockroach haemocytes in vitro, and the cell tracks were analysed for speed and persistence; the percentage mobilization and the diffusion rate of the population were calculated. Haemocytes are either fast locomotor or spread moving cells, or non-motile spread or rounded cells; the first three types are plasmatocytes and their behaviour is interchangeable. Approximately 20% of the cells are motile under control conditions and there is no correlation between orthokinesis and klinokinesis. If activated haemocyte lysate supernatant (HLS), a source of components of the prophenoloxidase enzyme sequence, is added to the cell monolayer, up to 80% of the cells switch to fast locomotor behaviour, rounding up and moving faster and for longer in straight lines. Neither heat-inactivated HLS nor zymosan supernatant, used to activate HLS, had any effect. If the chemokinins present in activated HLS are also released in vivo on haemocyte activation or during cuticular wounding, then they and the induced changes in haemocyte adhesion could contribute to haemocyte recruitment to sites of infection.
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9

Keller, H. U., e A. Zimmermann. "Orthokinetic and klinokinetic responses of human polymorphonuclear leucocytes". Cell Motility 5, n. 6 (1985): 447–61. http://dx.doi.org/10.1002/cm.970050603.

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10

Morelli, Andrea, Nicola Ricci e Franco Verni. "Orthokinetic and klinokinetic reactions in the behaviour of Litonotus lamella predating on Euplotes crassus". European Journal of Protistology 35, n. 2 (giugno 1999): 168–74. http://dx.doi.org/10.1016/s0932-4739(99)80034-0.

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Tesi sul tema "Klinokinesis"

1

Merfield, Charles Norman. "Predator interactions within a trophic level : Phalangium opilio L. (Arachnida: Opiliones) and mites (Arachnida: Acari)". Master's thesis, Lincoln University. Bio-Protection and Ecology Division, 2000. http://theses.lincoln.ac.nz/public/adt-NZLIU20060908.204153.

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Abstract (sommario):
This study investigated commensal feeding interactions between the European harvestman (P. opilio L.) and the predatory mites Balaustium spp. and Anystis baccarum L. It also investigated the feeding behaviour of P. opilio. Experiments were conducted in the laboratory using standardised temperature, humidity, photoperiod and experimental arenas, with eggs of the brown blowfly (Calliphora stygia F.) as prey facsimiles. Due to initial difficulties in obtaining enough predatory mites, mite feeding was manually simulated piercing blowfly eggs with a minuten pin. P. opilio consumed significantly more freeze-killed than live blowfly eggs, indicating that freezing induced chemical and/or physical changes to blowfly eggs that are detected by P. opilio. Significantly more manually pierced eggs were consumed by P. opilio compared with unpierced ones, demonstrating that piercing caused a chemical and/or physical to the egg and increased the feeding rates of P. opilio. Different densities of eggs had no effect on the numbers eaten by P. opilio and placing single pierced eggs next to groups of unpierced eggs also had no effect on the numbers of unpierced eggs eaten. These results suggest that P. opilio does not exhibit klinokinesis or orthokinesis to intensify its search for prey around the area where previous prey were located. P. opilio ate significantly more brown blowfly eggs that had previously been fed on by mites, demonstrating that a short term commensal interaction existed. However, further work is required to demonstrate if the relationship is commensal in the longer term. A comparison between hand-pierced and mite-pierced eggs showed that P. opilio ate significantly more of the former indicating that mite and hand piercing were quantitatively different. The potential for, and importance of, other commensal or mutual relationships between predators in agroecosystems is discussed. The lack of klinokinesis and orthokinesis in P. opilio is compared with other predators and parasitoids that do exhibit these behaviours. The means by which prey are detected by P. opilio are discussed in relation to interpreting behaviours such as prey inspection. Concerns about the effect of pre-treatment and handling of sentinel prey and the problems of using prey facsimiles are raised.
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2

Merfield, C. N. "Predator interactions within a trophic level : Phalangium opilio L. (Arachnida: Opiliones) and mites (Arachnida: Acari)". Diss., Lincoln University, 2000. http://hdl.handle.net/10182/21.

Testo completo
Abstract (sommario):
This study investigated commensal feeding interactions between the European harvestman (P. opilio L.) and the predatory mites Balaustium spp. and Anystis baccarum L. It also investigated the feeding behaviour of P. opilio. Experiments were conducted in the laboratory using standardised temperature, humidity, photoperiod and experimental arenas, with eggs of the brown blowfly (Calliphora stygia F.) as prey facsimiles. Due to initial difficulties in obtaining enough predatory mites, mite feeding was manually simulated piercing blowfly eggs with a minuten pin. P. opilio consumed significantly more freeze-killed than live blowfly eggs, indicating that freezing induced chemical and/or physical changes to blowfly eggs that are detected by P. opilio. Significantly more manually pierced eggs were consumed by P. opilio compared with unpierced ones, demonstrating that piercing caused a chemical and/or physical to the egg and increased the feeding rates of P. opilio. Different densities of eggs had no effect on the numbers eaten by P. opilio and placing single pierced eggs next to groups of unpierced eggs also had no effect on the numbers of unpierced eggs eaten. These results suggest that P. opilio does not exhibit klinokinesis or orthokinesis to intensify its search for prey around the area where previous prey were located. P. opilio ate significantly more brown blowfly eggs that had previously been fed on by mites, demonstrating that a short term commensal interaction existed. However, further work is required to demonstrate if the relationship is commensal in the longer term. A comparison between hand-pierced and mite-pierced eggs showed that P. opilio ate significantly more of the former indicating that mite and hand piercing were quantitatively different. The potential for, and importance of, other commensal or mutual relationships between predators in agroecosystems is discussed. The lack of klinokinesis and orthokinesis in P. opilio is compared with other predators and parasitoids that do exhibit these behaviours. The means by which prey are detected by P. opilio are discussed in relation to interpreting behaviours such as prey inspection. Concerns about the effect of pre-treatment and handling of sentinel prey and the problems of using prey facsimiles are raised.
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Atti di convegni sul tema "Klinokinesis"

1

Kishore, Apoorv, Vivek Saraswat e Udayan Ganguly. "Simplified Klinokinesis using Spiking Neural Networks for Resource-Constrained Navigation on the N euromorphic Processor Loihi". In 2021 International Joint Conference on Neural Networks (IJCNN). IEEE, 2021. http://dx.doi.org/10.1109/ijcnn52387.2021.9534471.

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