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1-20 of 23
Keywords: Ecdysis
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Journal Articles
Journal:
Journal of Experimental Biology
J Exp Biol (2025) 228 (2): JEB247964.
Published: 30 January 2025
... water affects hydration status and water loss (via CEWL) of females during and after pregnancy, and of their neonates before and after their first ecdysis. Supplemental hydration of pregnant C. viridis improved their hydration state and their neonates were also born more hydrated than those from control...
Journal Articles
Journal:
Journal of Experimental Biology
J Exp Biol (2023) 226 (10): jeb245286.
Published: 12 May 2023
... to cause damage to these attachment systems and reduce function. It seems logical that when skin is shed via ecdysis, its effectiveness will increase, through repair of damage or other rejuvenating mechanisms. We address two questions using three diplodactylid geckos as model species. (1) Does repeated...
Includes: Supplementary data
Journal Articles
Journal:
Journal of Experimental Biology
J Exp Biol (2020) 223 (13): jeb223529.
Published: 8 July 2020
... to a longer ecdysis cycle and smaller individuals. This phenotype was mirrored in shrimps injected with novel miR-26 agomirs, but the opposite phenotype occurred in shrimps injected with novel miR-26 antagomirs (i.e. the ecdysis cycle was shortened and body length was increased). After injection of 20...
Includes: Supplementary data
Journal Articles
Ren-Chung Cheng, Shichang Zhang, Yu-Chun Chen, Chia-Yi Lee, Yi-Ling Chou, Hui-Ying Ye, Dakota Piorkowski, Chen-Pan Liao, I.-Min Tso
Journal:
Journal of Experimental Biology
J Exp Biol (2017) 220 (12): 2260–2264.
Published: 15 June 2017
...: Nutrition determines post-maturity molting (PMM) in the orb-web spider Nephila pilipes , suggesting PMM may have evolved as an adaptation to diverse foraging conditions during range expansion. Arthropod development Ecdysis Exoskeleton Polyandry Sexual dimorphism Molting is a common...
Journal Articles
Journal:
Journal of Experimental Biology
J Exp Biol (2009) 212 (4): 453–459.
Published: 15 February 2009
...Amir Ayali SUMMARY A possible role of the insect stomatogastric nervous system (STNS) in ecdysis was first implied in early studies reporting on internal air pressure build-up in the digestive tract and air swallowing during ecdysis. The frontal ganglion, a major component of the insect STNS...
Journal Articles
Journal:
Journal of Experimental Biology
J Exp Biol (2006) 209 (20): 4000–4010.
Published: 15 October 2006
... molting foregut Manduca sexta insect ecdysis CCAP modulation Animals use many different strategies to ensure that series of motor patterns are initiated at the correct time and in the proper order. One common strategy involves the coordinated release of neuromodulators and hormones...
Journal Articles
Journal:
Journal of Experimental Biology
J Exp Biol (2006) 209 (15): 2911–2919.
Published: 1 August 2006
...Y. Zilberstein; J. Ewer; A. Ayali SUMMARY In insects, continuous growth requires the periodic replacement of the exoskeleton during the moult. A moulting insect displays a stereotypical set of behaviours that culminate in the shedding of the old cuticle at ecdysis. Moulting is an intricate process...
Journal Articles
Journal:
Journal of Experimental Biology
J Exp Biol (2006) 209 (10): 1803–1815.
Published: 15 May 2006
... of a neuroendocrine system to stimulate ecdysis, the behaviors used to shed the old cuticle at the culmination of each molt. Here we show that two evolutionarily conserved transcription factor genes, the basic helix-loop-helix (bHLH) gene dimmed ( dimm )and the basic-leucine zipper (bZIP) gene cryptocephal ( crc...
Includes: Supplementary data
Journal Articles
Journal:
Journal of Experimental Biology
J Exp Biol (2005) 208 (13): 2467–2474.
Published: 1 July 2005
..., P., Mangum, C. P. and McMahon, B. R. ( 1985 ). Cardiovascular and ventilatory changes during ecdysis in the blue crab Callinectes sapidus Rathbun. J. Crustac. Biol. 5 , 207 -215. Destoumieux-Garzon, D., Saulnier, D., Garniert, J., Jouffrey,C., Bulet, P. and Bachere, E. ( 2001 ). Crustacean...
Journal Articles
Journal:
Journal of Experimental Biology
J Exp Biol (2003) 206 (7): 1207–1220.
Published: 1 April 2003
... 2003 molting foregut synaptic activity molting fluid resorption Manduca sexta insect ecdysis The regulation and organization of a variety of stereotyped behaviors are essential for many aspects of animal development. One such collection is a series of ecdysial-related motor programs...
Journal Articles
Journal:
Journal of Experimental Biology
J Exp Biol (2002) 205 (19): 3019–3030.
Published: 1 October 2002
... that the first ecdysis is important for establishing the barrier to TEWL. We found that skin resistance to TEWL increases twofold following the first postnatal ecdysis, corresponding with a roughly twofold increase in thickness and deposition of lamellar lipids in the mesos layer, the site of the skin...
Journal Articles
Journal:
Journal of Experimental Biology
J Exp Biol (2000) 203 (19): 3011–3018.
Published: 1 October 2000
...Timothy G. Kingan; Michael E. Adams ABSTRACT Ecdysis, or molting behavior, in insects requires the sequential action of high levels of ecdysteroids, which induce accumulation of ecdysis-triggering hormone (ETH) in Inka cells, followed by low levels of ecdysteroids, permissive for the onset...
Journal Articles
Journal:
Journal of Experimental Biology
J Exp Biol (2000) 203 (8): 1329–1340.
Published: 15 April 2000
...Dušan Žitňan; Michael E. Adams ABSTRACT Insects shed their old cuticle by performing the ecdysis behavioural sequence. To activate each subunit of this set of programmed behaviours in Manduca sexta , specific central ganglia are targeted by pre-ecdysis-triggering (PETH) and ecdysis-triggering (ETH...
Journal Articles
Journal:
Journal of Experimental Biology
J Exp Biol (2000) 203 (3): 521–536.
Published: 1 February 2000
...Markus K. Phlippen; Simon G. Webster; J. Sook Chung; Heinrich Dircksen ABSTRACT On the basis of detailed analyses of morphological characteristics and behavioural events associated with ecdysis in a crab ( Carcinus maenas ) and a crayfish ( Orconectes limosus ), a comprehensive substaging system...
Journal Articles
Journal:
Journal of Experimental Biology
J Exp Biol (1999) 202 (17): 2371–2383.
Published: 1 September 1999
...Randall S. Hewes ABSTRACT The ventromedial cells (VM cells) of the moth Manduca sexta belong to a peptide hormone signaling hierarchy that directs an episodic and stereotyped behavior pattern, ecdysis. The VM cells respond to declining ecdysteroid titers at the end of the final larval molt...
Journal Articles
Journal:
Journal of Experimental Biology
J Exp Biol (1998) 201 (11): 1785–1798.
Published: 1 June 1998
... the pupal case for swallowing molting fluid and again after emergence for swallowing air. These behaviors are important for eclosion and are necessary for the expansion of the wings after eclosion. Their motor patterns are similar to the feeding program. Up to 24 h before adult ecdysis, this motor pattern...
Journal Articles
Journal:
Journal of Experimental Biology
J Exp Biol (1998) 201 (2): 193–209.
Published: 15 January 1998
... reminiscent of the epitracheal Inka cells in the moth Manduca sexta . These Inka cells release the peptide ecdysis-triggering hormone, which helps elicit ecdysial behavior at the molt, and we show that they are also recognized by the myomodulin (MM) antibody. In both D. melanogaster and M. sexta , the PM...
Journal Articles
Journal:
Journal of Experimental Biology
J Exp Biol (1997) 200 (3): 643–648.
Published: 1 February 1997
.... The short-circuit current increases after ecdysis, with a maximal rate being achieved approximately 4 h after the molt. Resumption of feeding after the molt is not necessary to initiate this increase in active ion transport. The metabolic organization of the tissue also changes during the molting process...
Journal Articles
Journal:
Journal of Experimental Biology
J Exp Biol (1996) 199 (12): 2555–2564.
Published: 1 December 1996
.... The various results demonstrate that AWP is influenced not only by natural environmental factors, such as salinity and temperature, and by anthropogenic factors, such as potentially toxic trace metals, but that it is also regulated by intrinsic factors, such as ecdysis and life cycle stage. The results...
Journal Articles
Journal:
Journal of Experimental Biology
J Exp Biol (1996) 199 (8): 1757–1769.
Published: 1 August 1996
...Andrea Novicki; Janis C. Weeks ABSTRACT Each larval molt of Manduca sexta culminates in the sequential performance of pre-ecdysis (cuticle loosening) and ecdysis (cuticle shedding) behaviors. Both behaviors are thought to be triggered by the release of a peptide, eclosion hormone (EH), from brain...
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