Physiological mechanism of osmoregulatory adaptation in anguillid eels

Cao, Quanquan; Gu, Jie; Wang, Dan; Liang, Feng-Xia; Zhang, Hongye; Li, Xinru; Yin, Shaowu

doi:10.1007/s10695-018-0464-6

Cited by 18 publications

(7 citation statements)

References 129 publications

(138 reference statements)

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“…Oryzias javanicus and Oryzias dancena revealed high adaptability to sudden changes of the ambient osmotic pressure in both directions, i.e., from freshwater to seawater or vice versa [ 45 ]. The “chloride cells” of the eel gills is typical of the euryhaline teleosts, and is the primary mechanisms involved in the active regulation of osmotic concentration [ 46 ]. The salinity of the exposure media affects the uptake and reproduction toxicity of EDCs on the exposed fish [ 38 ].…”

Section: Discussionmentioning

confidence: 99%

Reproductive Toxicity of 3,4-dichloroaniline (3,4-DCA) on Javanese Medaka (Oryziasjavanicus, Bleeker 1854)

Ibrahim

Zulkifli

Azmai

et al. 2021

Animals

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Compound 3,4-dichloroaniline (3,4-DCA) is a metabolite of several urea herbicides and intermediate chemical of several industrial products. Moreover, 3,4-DCA has been frequently detected in aquatic ecosystems around the world. This aniline is more toxic than the parent chemicals, and it affects non-target organisms. This study evaluated a 21-day reproductive response of an emerging aquatic vertebrate model, Javanese medaka (Oryzias javanicus), exposed to 3,4-DCA. Fecundity and gonads histopathology were observed. The spawning rate and fertilisation reduced significantly in the highest exposed-group (250 µg/L). Gonadosomatic index (GSI) was significantly low in females exposed to 250 µg/L. No substantial structural alteration of male gonads. However, oocyte development and ovarian cell structure were disrupted in 250 µg/L exposed females. The gonadal developmental was not affected in the males; however, a significant reduction in the developmental of female gonads was observed at 250 µg/L. These results show that 3,4-DCA interfere with the reproduction of Javanese medaka through fecundity and alteration of gonadal tissues.

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Section: Discussionmentioning

confidence: 99%

Reproductive Toxicity of 3,4-dichloroaniline (3,4-DCA) on Javanese Medaka (Oryziasjavanicus, Bleeker 1854)

Ibrahim

Zulkifli

Azmai

et al. 2021

Animals

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“…PRKCB is a member of serine- and threonine-specific protein kinases family and is involved in expression of Claudin proteins, which are responsible for tight junction membrane permeability 58 . NCKX3/ SLC24A3 functions in the transport of intracellular calcium across the cell membrane in exchange for extracellular sodium ions and is expressed in many tissues, including, intestine 59 , as well as in kidney 60 for osmoregulation of body fluids. Pinto et al .…”

Section: Discussionmentioning

confidence: 99%

Draft genome assembly of Tenualosa ilisha, Hilsa shad, provides resource for osmoregulation studies

Mohindra

Dangi

Tripathi

et al. 2019

Sci Rep

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This study provides the first high-quality draft genome assembly (762.5 Mb) of Tenualosa ilisha that is highly contiguous and nearly complete. We observed a total of 2,864 contigs, with 96.4% completeness with N50 of 2.65 Mbp and the largest contig length of 17.4 Mbp, along with a complete mitochondrial genome of 16,745 bases. A total number of 33,042 protein coding genes were predicted, among these, 512 genes were classified under 61 Gene Ontology (GO) terms, associated with various homeostasis processes. Highest number of genes belongs to cellular calcium ion homeostasis, followed by tissue homeostasis. A total of 97 genes were identified, with 16 GO terms related to water homeostasis. Claudins, Aquaporins, Connexins/Gap junctions, Adenylate cyclase, Solute carriers and Voltage gated potassium channel genes were observed to be higher in number in T. ilisha, as compared to that in other teleost species. Seven novel gene variants, in addition to claudin gene (CLDZ), were found in T. ilisha. The present study also identified two putative novel genes, NKAIN3 and L4AM1, for the first time in fish, for which further studies are required for pinpointing their functions in fish. In addition, 1.6 million simple sequence repeats were mined from draft genome assembly. The study provides a valuable genomic resource for the anadromous Hilsa. It will form a basis for future studies, pertaining to its adaptation mechanisms to different salinity levels during migration, which in turn would facilitate in its domestication.

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“…For a migratory species, it's a challenge to maintain the ionic-balance in body uid at a steady-state as it requires a rhythmic alteration between solvent and solutes contents. Moreover, a well-developed signalling system is also required to switch from salt to fresh water and vice versa, and to feed live prey [15][16][17][18]. So, the current transcriptomic resource from blood and brain will aid to understand key biological features from molecular level for this precious species.…”

Section: Objectivementioning

confidence: 99%

First report of de novo assembly and annotation from brain and blood transcriptome of an anadromous shad, Alosa sapidissima

Sarker

Huang

et al. 2022

Preprint

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Objectives: American shad (Alosa sapidissima) is an important migratory fish under Alosine and has long been valued for its economic, nutritional and cultural attributes. Overfishing and barriers across the passage made it vulnerable to sustain. To protect this valuable species, aquaculture action plans have been taken though there are no published genetic resources prevailing yet. So, here we reported a de novo transcriptome assembly and annotation for A. sapidissima from blood and brain tissues for the first time.Data description: We generated 160,481 and 129,040 non-redundant transcripts from brain and blood tissues. The entire work strategy involved RNA extraction, library preparation, sequencing, de novo assembly, filtering, annotation and validation. Both coding and non-coding transcripts were annotated against Swissprot and Pfam datasets. Nearly, 83% coding transcripts were functionally assigned. Protein clustering with clupeiform and non-clupeiform taxa revealed ~82% coding transcripts retained the orthologue relationship which improved confidence over annotation procedure. Hopefully, it can serve as an useful resource in future for the research community to elucidate molecular mechanisms for several key traits like migration which is fascinating in clupeiform shads.

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Physiological mechanism of osmoregulatory adaptation in anguillid eels

Cited by 18 publications

References 129 publications

Reproductive Toxicity of 3,4-dichloroaniline (3,4-DCA) on Javanese Medaka (Oryziasjavanicus, Bleeker 1854)

Reproductive Toxicity of 3,4-dichloroaniline (3,4-DCA) on Javanese Medaka (Oryziasjavanicus, Bleeker 1854)

Draft genome assembly of Tenualosa ilisha, Hilsa shad, provides resource for osmoregulation studies

First report of de novo assembly and annotation from brain and blood transcriptome of an anadromous shad, Alosa sapidissima

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