ArticleJournal of comparative physiology. A, Neuroethology, sensory, neural, and behavioral physiology2018
Effects of pars intercerebralis removal on circatidal rhythm in the mangrove cricket, Apteronemobius asahinai.
Article in Journal of comparative physiology. A, Neuroethology, sensory, neural, and behavioral physiology, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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2 citing papers in PubMed, 5 citations in OpenAlex.
- The adverse effects of injected functionalized multi-walled carbon nanotube (f-MWCNT) on in vivo neurosecretory brain cells of Jamaican field cricket, Gryllus assimilis.Environmental science and pollution research international · 2021Article
- The optic lobe-pars intercerebralis axis is involved in circa'bi'dian rhythm of the large black chafer Holotrichia parallela.Journal of comparative physiology. A, Neuroethology, sensory, neural, and behavioral physiology · 2020Article
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Authors and funding
3 authors at 3 institutions in 1 country.
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No grant is acknowledged in the PubMed record.
Abstract
The circatidal rhythm is an endogenous rhythm corresponding to the tidal cycles, and its neural mechanism remains unknown. The mangrove cricket, Apteronemobius asahinai, possesses both circatidal and circadian clocks, and simultaneously exhibits circatidal and circadian rhythms in its locomotor activity. In a previous study, we showed that surgical removal of the optic lobes, the principal circadian clock locus in crickets, disrupted their circadian rhythm, but not their circatidal rhythm. In this study, we focused on the pars intercerebralis (PI) because surgical removal of the PI disrupts the circadian rhythm and causes arrhythmic activity in some cricket species. After surgical removal of the PI, the proportion of crickets displaying circatidal rhythm decreased, and more than half of the crickets exhibited arrhythmic activity. Surgical removal of the regions around the PI also caused a similar effect on locomotor activity. Our results indicate that the PI and/or its surrounding regions are important not only for circadian but also for circatidal rhythm. This suggests the presence of a neural or hormonal pathway in the PI and/or its surrounding regions that is common to the circatidal and circadian rhythms.
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