Results 51 to 60 of about 4,193 (178)

Chronic thermal stress affects growth, liver morphology and molecular responses but allows recovery at optimal temperature in juvenile zebrafish (Danio rerio)

open access: yesJournal of Fish Biology, EarlyView.
Abstract Climate‐driven aquatic heatwaves pose an increasing threat to fish populations by inducing prolonged thermal stress. However, the resilience of teleosts to chronic heat exposure and their capacity for recovery remains poorly understood. This study investigated the effects of chronic high‐temperature exposure on juvenile zebrafish (Danio rerio).
Monique Adzijovski   +3 more
wiley   +1 more source

Chronotype and Seasonal Timing of Reproduction Are Related in a Female Songbird

open access: yesEthology, Volume 132, Issue 9, Page 581-591, September 2026.
In this study we found evidence that seasonal timing of reproduction is related to timing of daily activity in great tits (Parus major). Female birds who began daily activity earlier relative to sunrise were also those that began laying eggs earlier in the season.
E. K. Elderbrock   +3 more
wiley   +1 more source

Vitellogenin Receptor as a Target for Tick Control: A Mini-Review

open access: yesFrontiers in Physiology, 2019
While much effort has been put into understanding vitellogenesis in insects and other organisms, much less is known of this process in ticks. There are several steps that facilitate yolk formation in developing oocytes of which the vitellogenin receptor (
Robert D. Mitchell   +3 more
doaj   +1 more source

Stage‐Specific H3K14 and H3K23 Succinylation Orchestrates Insect Metamorphosis and Oogenesis

open access: yesAdvanced Science, Volume 13, Issue 43, 3 August 2026.
Stage‐specific succinylation of histone H3 at lysine 14 and 23 differentially controls insect metamorphosis and oogenesis through distinct GPCR‐PKC signaling cascades, revealing an evolutionarily conserved epigenetic mechanism that coordinates key life‐history traits.
Yu‐Pu Jing   +9 more
wiley   +1 more source

Semi‐Artificial Breeding Report of Endangered Chitala lopis Using Hormonal Induction Treatments

open access: yesAquaculture, Fish and Fisheries, Volume 6, Issue 4, August 2026.
The graphical abstract of the first successful semi‐artificial breeding of the endangered Giant Featherback (Chitala lopis, Bleeker 1851) by hormonal induction ABSTRACT Reproductive maturity of Chitala lopis is critical for preventing species loss, as the species was previously listed as critically endangered on the IUCN Red List.
Boby Muslimin   +18 more
wiley   +1 more source

A framework for using tissue chemistry and biochronologies to reconstruct fish habitat use and growth

open access: yesEcological Solutions and Evidence, Volume 7, Issue 3, July–September 2026.
Caption to use for Graphical Abstract (if caption not provided with separate file): A novel and accessible framework for using chemical tracers in fish tissues for addressing ecological questions, with a primary focus on habitat use and movement reconstruction.
Peter Betts   +6 more
wiley   +1 more source

Reproduction and Development in Calcareous Sponges: A Panorama of the Last Two Centuries

open access: yesMolecular Reproduction and Development, Volume 93, Issue 7, July 2026.
ABSTRACT Nearly 200 years ago, scientists began examining reproductive cells in calcareous sponges (Calcarea, Porifera). Since then, 238 studies have been published, encompassing descriptions of gametes and embryos (including ultrastructural studies), life history, asexual reproduction, regeneration, and molecular aspects of development.
Bruno Cajado, Emilio Lanna
wiley   +1 more source

Vitellogenesis and Yolk Proteins, Birds

open access: yes, 2018
Vitellogenesis and yolk proteins ...
Réhault-Godbert, Sophie, Guyot, Nicolas
openaire   +4 more sources

Advancing Ecological Understanding and Sustainable Management of Small Pelagic Fish

open access: yesFish and Fisheries, Volume 27, Issue 4, Page 850-864, July 2026.
ABSTRACT Small pelagic fish (SPF) are critical to the trophodynamic structure and function of marine systems and support some of the most valuable and socially important fisheries worldwide. Their “boom and bust” population dynamics, shifts in distribution, and importance as forage resources for other fish stocks place unique challenges to assessing ...
Myron A. Peck   +22 more
wiley   +1 more source

Occurrence of multiple congenital anomalies in Potamotrygon amandae (Elasmobranchii, Potamotrygoninae) embryos, including the first report of bicephaly

open access: yesJournal of Fish Biology, Volume 109, Issue 1, Page 257-263, July 2026.
Abstract Reports of teratogenic embryos in elasmobranchs have been documented in multiple species, with proposed aetiologies including environmental disturbances, genetic mutations, predation, exposure to endocrine‐disrupting compounds and maternal stress.
Douglas de Castro Ribeiro   +2 more
wiley   +1 more source

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