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ISSN: 2468-550X
CN: 10-1397/S
p-ISSN: 2096-1758

Germ cell development in teleost gonads

Among vertebrate species, fishes are considered to be the most developmentally diverse taxa exhibiting remarkable gonadal plasticity with capacity of sex reversal. Sex determination in teleost fishes...

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Urotensin-I suppresses the hypothalamo-hypophyseal-ovarian axis in the Mozambique tilapia, Oreochromis mossambicus

Urotensin-I (UI) is a peptide belonging to the corticotropin-releasing hormone family, produced in the urophysis of teleosts. This investigation was undertaken to examine the effect of UI on the hypothalamo-hypophyseal-ovarian...

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Exposure of juvenile Chinook salmon to effluent from a large urban wastewater treatment plant. Part 2. Metabolomic profiling

Targeted metabolomic analysis was conducted on juvenile Chinook salmon exposed for 10 days to wastewater effluent (WWE) from a large urban treatment plant. Exposures included five dilutions of WWE (20%,...

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Is salmonid migration at risk from chemical information disruption?

Good information is the basis for good decisions. For many invaluable salmon species, chemical information is necessary to guide and fine-tune their migrations to and from freshwater mating grounds....

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Involvement of gonadal soma-derived factor in the reproduction of teleosts

Gonadal soma-derived factor (Gsdf) is a member of the transforming growth factor beta (TGF-β) superfamily and a teleost-specific gene. Early studies suggested that Gsdf promotes spermatogonial proliferation;...

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Neuroendocrine facets of behavior and toxicology

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The signal-transduction pathways of the peripheral olfactory organ and their impairment in vertebrates

Animals rely on olfaction to detect and process invaluable chemical information about their environment. For olfaction to function, chemicals must first be detected, which leads to the activation of...

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Medaka factor in the germline alpha (figα) is indispensable for oogenesis but not for gonadal sex differentiation

A basic helix-loop-helix transcription factor, figα, is one of the earliest marker genes of oocyte differentiation in vertebrates. In the present study, we made figα knockout medaka by CRISPR/Cas9,...

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Impact of Metabolic disrupting chemicals on redox homeostasis, energy sensors, receptor modulation, and hormone metabolism: A comparative account in Teleost and mammalian model organisms

Endocrine-disrupting chemicals (EDCs) may mimic the endogenous neuroendocrine and endocrine messengers and interfere with developmental, reproductive, immune, metabolic and other physiological functions....

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Luminous fishes: Endocrine and neuronal regulation of bioluminescence

Bioluminescence is the ability of organisms to emit their own light which can be self-produced in light organs by photogenic cells (photocytes) or symbiotically by bearing cultures of luminous bacteria....

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Neuroendocrine regulation of reproduction in fish – Mini review

This review highlights the recent developments regarding neuroendocrine mechanisms controlling teleost reproduction. In teleosts, the pituitary gland receives major neuronal innervations from Gnrh neurons...

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Understanding neuroendocrine regulatory pathways of sexual behavior in teleosts

The main neuroendocrine pathways of induction of reproductive behavior in fish are elucidated. 17α, 20β-dihydroxy-4-pregnen-3-one (17,20β-DHP), an oocyte maturation-inducing hormone, was found to act...

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Exposure of juvenile Chinook salmon to effluent from a large urban wastewater treatment plant. Part 1. physiological responses

Wastewater treatment plants release complex mixtures of chemicals into the aquatic environment as wastewater effluent (WWE); however, the effects of these mixtures are still poorly understood. Chinook...

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New insights into spexin and pituitary adenylate cyclase-activating polypeptide (PACAP) in regulating fish reproduction

Reproduction is one of the most crucial physiological processes for the continuation of the generation of any species. Teleost are one of the most divergent aquatic species. The reproductive neuro-endocrine...

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Recent advances in understanding neurotoxicity, behavior and neurodegeneration in siluriformes

Occurrence of neurotoxic chemicals in the aquatic environment is on the rise posing a potential threat to aquatic biota including fish. In teleosts, zebrafish has become a popular model organism for...

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cDNA-AFLP-based transcript profiling for the identification of genes functionally related to growth in the pond-reared giant tiger shrimp Penaeus monodon

Genes exhibiting differential expression patterns between large-sized (average body weight 17.57 ± 1.8 g and 40.97 ± 4.0 g for 3- and 5-month-old juveniles in a total of 342 and 356 samples, respectively)...

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Reusing biofloc-culture water and microbubble aeration for culturing the white-leg shrimp Litopenaeus vannamei

This study investigated the effects of reusing biofloc-culture water for culturing the white-leg shrimp Litopenaeus vannamei. Experiments were conducted for two continuous cycles without water exchange...

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Monogamous hybridization of Nile tilapia (Oreochromis niloticus) with Mozambique tilapia (O. mossambicus) results in unprecedented all-female F1 hybrid

Tilapiine breeding success is season-dependent, with very rare exceptions. The female (f) to male (m) ratio differences showed significant variations in fruitful breeding. Furthermore, the female-to-male...

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Morphology-based selective breeding strategy analysis for abdominal meat yield in Procambarus clarkii

The edible portion of Procambarus clarkii mainly consists of the abdominal muscles, highlighting the genetic enhancement of abdominal meat yield in breeding. To explore a selective breeding strategy...

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Genome-wide identification of salinity stress-associated lncRNAs in Nile tilapia

Long noncoding RNAs (lncRNAs) are increasingly recognized as key players in various biological processes, yet their role in fish's response to salinity changes remains largely unexplored. This study...

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Exploring the relationship between dietary rapeseed meal, condensed tannin and growth, nutrive metabolism in largemouth bass (Micropterus salmoides)

This study evaluated the effects of rapeseed meal (RM) and condensed tannin (CT) on the growth and nutritional metabolism of largemouth bass (Micropterus salmoides), and speculated whether there was...

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Genetic diversity, heritability, and estimated breeding values for growth of domesticated Asian seabass Latescalcarifer from Thailand

To establish a new breeding program, genetic diversity of five domesticated populations and two commercial stocks of Asian seabass (Lates calcarifer) were examined. Moderate levels of genetic diversity...

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Study on the influencing factors of fishery producers' willingness to participate in aquaculture insurance--based on the perspective of subjective norms and risk perception

The development of aquaculture is an important way to ensure the diversification of China's food supply and food safety. As a market-oriented risk management tool, aquaculture insurance plays a vital...

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Identification of tumor necrosis factor receptor 1 and its association with LPS-induced apoptosis in Onchidium reevesii

The sea slug (Onchidium reevesii) inhabits intertidal environments and face environmental pressures and disease threats. The immune system of mollusks plays a crucial role in their defense against pathogens...

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Chiral thioacetyl derivatives of proline as novel potential agents for beluga reproduction

The aim of the research was to study antioxidant activity and protective potential of new phenol-containing thioacetyl derivatives of D- and L-prolines as potential agents on beluga sperm and survival...

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