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Keywords: ecdysis
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Journal Articles
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
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
Journal Articles
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 Articles
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
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
J Exp Biol (2005) 208 (13): 2467–2474.
Published: 1 July 2005
... Cancer magister cryptocyanin hemocyanin ecdysis exoskeleton Crustacea The evolution of new proteins resulting from gene duplications and subsequent mutations is an important process in the adaptive ability of organisms. A key part of directing these new gene products towards useful...
Journal Articles
J Exp Biol (2003) 206 (7): 1207–1220.
Published: 1 April 2003
... 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 that lead to the shedding...
Journal Articles
Journal Articles
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
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 Articles
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
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
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
J Exp Biol (1997) 200 (3): 643–648.
Published: 1 January 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
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 Articles