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Keywords: Egg
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Journal Articles
J Exp Biol (2021) 224 (8): jeb238832.
Published: 16 April 2021
...Daniel L. Clark; Mark E. Hauber; Philip S. L. Anderson ABSTRACT Some host species of avian obligate brood parasites reject parasitic eggs from their nest whereas others accept them, even though they recognize them as foreign. One hypothesis to explain this seemingly maladaptive behavior...
Journal Articles
J Exp Biol (2020) 223 (23): jeb232496.
Published: 15 December 2020
...Francois Criscuolo; Roxanna Torres; Sandrine Zahn; Tony D. Williams ABSTRACT Avian eggs contain a large number of molecules deposited by the mother that provide the embryo with energy but also potentially influence its development via the effects of maternally derived hormones and antibodies...
Includes: Supplementary data
Journal Articles
In collection:
Neuroethology
J Exp Biol (2018) 221 (16): jeb172247.
Published: 23 August 2018
... and tested electroglottography (EGG) as a novel tool for examining vocal fold kinematics in the avian vocal organ, the syrinx. We furthermore imaged and quantified syringeal kinematics in the pigeon ( Columba livia ) syrinx with unprecedented detail. Our results show that EGG signals predict (1) the relative...
Journal Articles
J Exp Biol (2016) 219 (15): 2368–2376.
Published: 1 August 2016
...Daniel Kiefer; Elizabeth M. Warburton; Irina S. Khokhlova; Boris R. Krasnov ABSTRACT To test relationships between maternal size, egg size and size of new offspring, we studied (a) the effect of maternal size on egg size and number, and maternal survival after oviposition and (b) the effect of egg...
Journal Articles
J Exp Biol (2009) 212 (8): 1092–1100.
Published: 15 April 2009
...Patrick J. Krug; Jeffrey A. Riffell; Richard K. Zimmer SUMMARY Red abalone ( Haliotis rufescens ) sperm detect a waterborne chemical cue released by conspecific eggs, and change their swimming behavior to increase the likelihood of fertilization success. Previously, we isolated the natural sperm...
Journal Articles
J Exp Biol (2007) 210 (7): 1275–1287.
Published: 1 April 2007
... in fertilized eggs and on the clotting reaction of hypotonically stressed coelomocytes. In suspensions of fertilized eggs to which Hsc70 or a 2:3 mixture of Hsc and Hsp70 was added, progression to the first mitotic division was accelerated. Evidence is provided that the extracellular Hsc70 passes into the egg...
Journal Articles
J Exp Biol (2004) 207 (13): 2267–2276.
Published: 1 June 2004
... whether survival, development time and metabolism of eggs of a moth, Manduca sexta , were sensitive to experimentally imposed variation in atmospheric oxygen availability(5–50 kPa; normoxia at sea level is 21 kPa) across a range of biologically realistic temperatures. Temperature–oxygen interactions were...
Includes: Multimedia, Supplementary data
Journal Articles
Journal Articles
Journal Articles
J Exp Biol (2002) 205 (10): 1439–1450.
Published: 15 May 2002
...Jeffrey A. Riffell; Patrick J. Krug; Richard K. Zimmer SUMMARY Chemical communication between sperm and egg is a key factor mediating sexual reproduction. Dissolved signal molecules that cause sperm to orient and accelerate towards an egg could play pivotal roles in fertilization success...
Journal Articles
Journal Articles
J Exp Biol (1999) 202 (21): 2985–2992.
Published: 1 November 1999
...Michael B. Thompson; Brian K. Speake; James R. Stewart; Kylie J. Russell; Ruth J. McCartney; Peter F. Surai ABSTRACT The ion, energy, lipid, nitrogen and fat-soluble vitamin contents of freshly ovulated eggs and neonates of the viviparous lizard Niveoscincus metallicus were measured to quantify...
Journal Articles
J Exp Biol (1994) 197 (1): 31–46.
Published: 1 December 1994
...Roger S. Seymour; John P. Loveridge ABSTRACT In Zimbabwe, female Chiromantis xerampelina construct spherical foam nests that are suspended above temporary water. The nests average 624 ml in volume and contain 854 eggs. The 1.7 mm ova have exceptionally thin jelly capsules and are dispersed...
Journal Articles
J Exp Biol (1993) 184 (1): 213–219.
Published: 1 November 1993
...Isabelle Gillot; Michael Whitaker ABSTRACT Sea urchin eggs and those of most other deuterostomes are activated at fertilization by an increase in cytoplasmic free calcium concentration ([Ca 2+ ] i ) that triggers the onset of the embryonic cell division cycles. We can image the calcium wave using...
Journal Articles
J Exp Biol (1993) 178 (1): 89–96.
Published: 1 May 1993
... into two fractions. One fraction included vitellogenin, the precursor of egg yolk proteins, and the other contained some plasma proteins other than vitellogenin. Retinals were detected in the former and retinols in the latter. It is suggested that retinals are bound to vitellogenin and are taken up...