Diurnal variations in cholinesterase activities in the slug,Laevicaulis alte

Kumar, T. Pavan; Ks, Babu

doi:10.1007/bf01936990

Cited by 2 publications

(2 citation statements)

References 6 publications

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“…Lewis (1969) showed that in Arion ater the circadian rhythm of locomotor activity persists also under constant illumination, although it was out of phase with normal light-dark sequence. Kumar and Babu (1978) (Bennie et al, 2015). These effects were not assessed in our study, but cannot be excluded.…”

Section: Discussionmentioning

confidence: 90%

“…Lewis () showed that in Arion ater the circadian rhythm of locomotor activity persists also under constant illumination, although it was out of phase with normal light‐dark sequence. Kumar and Babu () showed that light acted as a zeitgeber for locomotor rhythms in the slug Laevicaulis alte , while in constant light and dark conditions the slugs exhibited a continuous pattern of activity.…”

Section: Discussionmentioning

confidence: 99%

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Slugs (Arionidae) benefit from nocturnal artificial illumination

et al. 2018

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Artificial illumination increases around the globe and this has been found to affect many groups of organisms and ecosystems. By manipulating nocturnal illumination using one large experimental field site with 24 streetlights and one dark control, we assessed the impact of artificial illumination on slugs over a period of 4 years. The number of slugs, primarily Arionidae, increased strongly in the illuminated site but not on the dark site. There are several nonexclusive explanations for this effect, including reduced predation and increased food quality in the form of carcasses of insects attracted by the light. As slugs play an important role in ecosystems and are also important pest species, the increase of slugs under artificial illumination cannot only affect ecosystem functioning but also have important economic consequences.

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Section: Discussionmentioning

confidence: 90%

Section: Discussionmentioning

confidence: 99%

Slugs (Arionidae) benefit from nocturnal artificial illumination

et al. 2018

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Cyclical acetylcholinesterase activity in diurnalCables nemoricolaand nocturnalMus booduga

Kumar

Reddy

Vijayalakshmi

et al. 1979

Journal of Interdisiplinary Cycle Research

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Acetylcholinesterase (AChE) activity in the brain of Catoles and Mus exhibited cyclical variations during the 24 h period of the solar day. Crest values for AChE activity at 08.00 h in Caloles was 180° out of phase with those of Mus. Rhythm characteristics viz., M, A, φ (computed acrophase) and D (periodicity index) differed for the animals. Also, in both cases Ho (Null Hypothesis) was rejected (A o). Hence a significant and phase-synchronized rhythm with angular frequency ω (held constant at one cycle per 24 h) was observed. These observations were correlated to motoric patterns of the animals.

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Diurnal variations in cholinesterase activities in the slug,Laevicaulis alte

Cited by 2 publications

References 6 publications

Slugs (Arionidae) benefit from nocturnal artificial illumination

Slugs (Arionidae) benefit from nocturnal artificial illumination

Cyclical acetylcholinesterase activity in diurnalCables nemoricolaand nocturnalMus booduga

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