Results 151 to 160 of about 440 (217)

High‐throughput multispecies quantitative polymerase chain reaction assays to study the effects of acute thermal stress in three species of Acipenser sturgeon

Journal of Fish Biology, EarlyView.
Abstract Fishes experience thermal stress in their natural environment that can be caused by natural or anthropogenic factors and can directly affect their physiology. In this study, we developed a multispecies OpenArray™ qPCR (quantitative polymerase chain reaction) ‘chip’ to measure the effects of acute thermal stress on the mRNA response of ...
Hossein Haghighi, Kyle Madden, William S. Bugg, Faith M. Penny, Scott A. Pavey, Nicholas J. Bernier, Kenneth M. Jeffries   +6 more
wiley   +1 more source

Altered photoperiod affects behaviour in a key fish grazer, the thinlip grey mullet, Chelon ramada

Journal of Fish Biology, EarlyView.
Abstract The aim of this study is to address experimentally the immediate impacts of an alteration of the photoperiod, simulating an extreme artificial light pollution, on the behaviour and stress of a key grazer fish common in temperate coastal ecosystems in Europe, the thinlip grey mullet, Chelon ramada.
Caroline Roux, Alex Bois, Patrick Chèvre, Fabrice Vétillard, Philippe Jatteau, Marie‐Laure Bégout, Soizic Morin, Laure Carassou   +7 more
wiley   +1 more source

Take my breath away: Defining the oxygen saturation threshold for fish cortisol stress response

Journal of Fish Biology, EarlyView.
Abstract Human activities are affecting the number, size and severity of hypoxic zones in aquatic ecosystems. As oxygen is one of the most important abiotic factors affecting fish biology, exposure to low levels of dissolved oxygen may lead to a reduction in fitness.
Sébastien Alfonso, Benjamin Geffroy, Pierluigi Carbonara, Lola Toomey, Eduardo Bessa   +4 more
wiley   +1 more source

Integrated multitissue analysis reveals distinct oxidative stress responses during recovery from cold shock in the Amazonian fish Colossoma macropomum

Journal of Fish Biology, EarlyView.
Abstract Tambaqui (Colossoma macropomum) is a tropical fish widely cultivated in South America. The increasing demand for this species has heightened interest in its cultivation in subtropical regions with greater thermal variability, where cold shock may induce oxidative stress. This study evaluated the effects of cold shock and subsequent recovery on
Naiara Melo, Isaac Konig, Stefania Priscilla de Souza, Maria Fernanda Aquino Freitas, Daniella Aparecida de Jesus Paula, Ronald Kennedy Luz, Priscila Vieira Rosa, Luis David Solis Murgas   +7 more
wiley   +1 more source

Continuous darkness is associated with improved growth performance during a high‐temperature period and sex‐specific modulation of early gonadal development in juvenile yellowtail (Seriola quinqueradiata)

Journal of Fish Biology, EarlyView.
Abstract Selective breeding of yellowtail (Seriola quinqueradiata) is expanding in Japan, increasing the demand for practical reproductive control tools in commercial aquaculture to reduce genetic risks from escapees. Slowing early gonadal development through environmental manipulation may support future sterilization strategies, particularly when ...
Yuya Hasegawa, Kiko Shibata, Taiga Abe, Takurou Hotta   +3 more
wiley   +1 more source

Molecular insights into juvenile hormone maturation by juvenile hormone acid methyltransferase

Journal of Biological Chemistry
Marie-Ève Picard, Michel Cusson, Rong Shi   +2 more
openaire   +1 more source

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Juvenile Hormones

2006
exaly   +2 more sources

Regulation of juvenile hormone esterase gene transcription by juvenile hormone

Developmental Genetics, 1994
AbstractJuvenile hormone (JH) is a major hormone regulating insect development. We have obtained a cDNA and a genomic clone for juvenile hormone esterase (JHE), the enzyme that is involved in the degradation of juvenile hormone and which is critical for insect development. Analysis of the regulation of JHE during the final larval stadium in the cabbage
V, Venkataraman, P J, O'Mahony, M, Manzcak, G, Jones   +3 more
openaire   +2 more sources

Juvenil- and Steroid-Hormone

2013
Mevalonsaure ist der Vorlaufer, aus denen in allen Tierarten Squalen und Cholesterin oder davon abgewandte Strukturen gebildet werden. Das sind einerseits bei den Wirbeltieren die Steroidhormone und Vitamin D3, bei Nichtwirbeltieren und auch Pflanzen Cholesterolderivate, und bei Ecdysocoa noch das Juvenilhormon, dessen Bildung nicht uber Squalen ...
Bernhard Kleine, Winfried G. Rossmanith
openaire   +1 more source

The use of a juvenile hormone binding protein for the quantitative assay of juvenile hormone

Insect Biochemistry and Molecular Biology, 1995
The suitability of the haemolymph juvenile hormone binding protein (JHBP) of Locusta migratoria for use in a competition assay for juvenile hormone (JH) III has been investigated, and a simple quantitative assay procedure using this protein has been developed.
A V, Glinka, R P, Braun, J P, Edwards, G R, Wyatt   +3 more
openaire   +2 more sources