Slime-trail tracking in the predatory snail, Euglandina rosea.

Clifford, Kavan T.; Gross, Liaini; Johnson, Kwame; Martin, Khalil J.; Shaheen, Nagma; Harrington, Maureen A.

doi:10.1037/0735-7044.117.5.1086

Cited by 32 publications

(44 citation statements)

References 25 publications

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“…Suppression of NO synthesis in the behaving snail (Teyke, 1996) or slug (Sakura et al, 2004) blocks fine odor discrimination or odor learning. These observations of degraded odor processing and odor learning after inhibition of NO synthesis are paralleled by findings in ewes (Kendrick et al, 1997), honeybees (Müller, 1996;Hosler and Smith, 2000), the predatory snail Euglandina (Clifford et al, 2003), mice (Okere et al, 1996), and rats (Samama and Boehm, 1999). The relationship between nitric oxide and synaptic plasticity has been reviewed recently (Susswein et al, 2004).…”

Section: A Comparative Perspectivementioning

confidence: 55%

Olfactory Computations and Network Oscillation

Gelperin

2006

J. Neurosci.

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Section: A Comparative Perspectivementioning

confidence: 55%

Olfactory Computations and Network Oscillation

Gelperin

2006

J. Neurosci.

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“…Since the closely related leech H. marmorata is able to detect and follow its prey by waterborne odors (Simon and Barnes 1996), it is plausible that W. laevis can also detect, follow and distinguish the species and size of snails by means of waterborne odors. However, because several malacophagy predators of different taxa have been found to detect and follow prey snails by their mucus trail (e.g., the pulmonary snail by Clifford et al 2003; the nudibranch sea slug by Carté and Faulkner 1986; the planarian by Ogren 1995; the slug snake by Su and Tu 2004, and the ground beetle by Weather 1989), it is also possible that W. laevis can detect its prey by tactile chemoreception.…”

Section: Introductionmentioning

confidence: 99%

The chemosensory ability of the predatory leech Whitmania laevis (Arhynchobdellida: Haemopidae) for prey searching

2010

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Although prey-detecting and searching abilities of predatory leeches of rhynchobdellid or the Erpobdelliformes of arhynchobdellid species have been studied in the past, hirudiniformes leeches are rarely mentioned. In this study, we investigated the chemosensory ability for preydetecting and searching in Whitmania laevis, a hirudiniformes species that mainly preys on freshwater snails, and examined if such ability aided in their prey selection. Five sympatric snail species, i.e., apple snail Pomacea canaliculata, thiarid snail Thiara tuberculata, viviparid snail Sinotaia quadrata, ear pond snail Radix auricularia swinhoei and tadpole snail Physa acuta were used as prey. Our results showed that W. laevis has the chemosensory ability to detect the waterborne odors of snails. However, they follow the snails by their mucus trails, and not by the odor that the snails leave in the water. Of these five snail species, W. laevis only followed the trails of the thiarid snails, ear pond snails and tadpole snails, and did not show a different response to the trails produced by snails of different sizes. Our results suggest that W. laevis can use waterborne odors to detect the existence of prey. They rely on mucus trails to follow their preferred prey, but do not distinguish between snails of a preferred size by their mucus trails. In addition, when following the trail of a preferred snail, W. laevis exhibits a newly described searching behavior, i.e., head tapping, and may use it to locate a snail trail and increase its probability of finding the trail-laying snail nearby.

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“…The rosy wolfsnail Euglandina rosea uses chemosensation for hunting its prey (Clifford et al 2003;Shaheen et al 2005) and has a PC lobe with oscillating local field potentials (LFPs) (Harrington et al 2004), as in Limax (Gelperin and Tank 1990) and Helix (Nikitin and Balaban 2000;Nikitin et al 2005). Hunting dogs use olfaction for trail following (Hepper and Wells 2005) and use active odor sampling, or sniffing (Gazit et al 2003;Schoenfeld and Cleland 2005;Settles 2005), as an essential component of their odor sampling strategy.…”

Section: Oscillations and Active Sampling In Olfactionmentioning

confidence: 99%

Neural and molecular mechanisms of microcognition inLimax

2008

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Various non-mammalian model systems are being explored in the search for mechanisms of learning and memory storage of sufficient generality to contribute to the understanding of mammalian learning mechanisms. The terrestrial mollusk Limax maximus is one such model system in which mammalian-quality learning has been documented using odors as conditioned stimuli. The Limax odor information-processing circuits incorporate several system design features also found in mammalian odor-processing circuits, such as the use of cellular and network oscillations for making odor computations and the use of nitric oxide to control network oscillations. Learning and memory formation has been localized to a particular central circuit, the procerebral lobe, in which selective gene activation occurs through odor learning. Since the isolated Limax brain can perform odor learning in vitro, the circuits and synapses causally linked to learning and memory formation are assessable for further detailed analysis.Although mollusks and mammals diverged from their common ancestor some 600 million years ago (Runnegar and Pojeta 1985), there is ample evidence for a commonality of solutions used to solve analogous problems between the two taxa. This is evident in several aspects of learning and memory mechanisms, including conserved genes (Nakaya et al.

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Slime-trail tracking in the predatory snail, Euglandina rosea.

Cited by 32 publications

References 25 publications

Olfactory Computations and Network Oscillation

Olfactory Computations and Network Oscillation

The chemosensory ability of the predatory leech Whitmania laevis (Arhynchobdellida: Haemopidae) for prey searching

Neural and molecular mechanisms of microcognition inLimax

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