Germ cell development in teleost gonads
May 2024
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
May 2024
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
May 2024
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?
May 2024
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
May 2024
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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The signal-transduction pathways of the peripheral olfactory organ and their impairment in vertebrates
May 2024
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
May 2024
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
May 2024
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
May 2024
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
May 2024
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
May 2024
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
May 2024
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
May 2024
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
May 2024
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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Histological morphology and gene expression in the digestive system of Procambarus clarkii
Available online 12 April 2024
To unravel the intricate morphological structure and functional aspects of the digestive system in Procambarus clarkii, this study employed histology and transcriptome sequencing techniques for a comprehensive...
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Quality-based selection of the optimal hot air gradient drying method for anchovy and modeling of drying kinetics
Available online 11 April 2024
The aim of this study was to investigate the effects of hot air gradient drying on anchovy drying quality and efficiency. Anchovies were initially dried at 40 °C to until their moisture content was...
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Self-fertilization in a gonochoristic fish yellow catfish
March 2024
Sex control techniques are in great demand for aquaculture because of the huge benefits of mono-sex production. In a previous study on yellow catfish (Tachysurus fulvidraco), intersex individuals were...
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Carnobacteria in fish
March 2024
Carnobacterium is a genus of Gram-positive bacteria, within family Carnobacteriaceae, and they are catalase- and oxidase-negative, non-sporing bacteria with properties such as CO2 and L (+)- lactic...
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Effects of β-1,3-glucan and ascorbic acid on the nutritional-immune response and antioxidant signaling pathways of live tiger grouper during simulated transport
March 2024
Transport in water is the most common method for transporting live fish in China, however, transport is a strong stressor. Transport stress could lead to a reduced immune and antioxidant system function...
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Study on the catch, bycatch and discard of Chinese pelagic longline fisheries in the Atlantic Ocean
March 2024
Catch, bycatch and discard information is important for the assessment and management of fisheries. Using Chinese pelagic tuna longline observer data from 2010 to 2018, we studied the catch composition...
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Assessing the pomfret stock for setting catch limits in the northern Bay of Bengal, Bangladesh
March 2024
Pampus argenteus and Pampus chinensis form the high-value demersal Pomfret fishery of Bangladesh. But, due to a monotonic decline in catches over the last five years, it is essential to explore the...
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Repercussion of salinity on hematological parameters and tissue morphology of gill and kidney at early life of tilapia
March 2024
This study was attempted to reveal the changes in three hematological parameters such as blood hemoglobin, number of white blood cells (WBCs) and number of red blood cells (RBCs) and one biochemical...
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A chromosome-level genome assembly of the miiuy croaker (Miichthys miiuy) using nanopore sequencing and Hi-C
March 2024
Miiuy croaker, Miichthys miiuy is an ecologically important teleost species which is widely distributed in southeast coast of China. In this study, we present a chromosomal-scale genome assembly of...
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Historic, pre-stock enhancement, demographic conditions of exploited populations of dusky flathead, Platycephalus fuscus, in eastern Australia
March 2024
Responsible stock enhancement initiatives require baseline data of wild population demographic conditions that can be used in testing management outcomes. This study provides the first fishery-independent...
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