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24 results for “croaker”
MORPHOMETRIC MEASUREMENTS (CM) OF THE BOBO CROAKER Pseudotolithus elongatus OBTAINED FROM THE CROSS RIVER, NIGERIA
<p>Morphometric measurements of the bobo croaker (Pseudotolithus elongatus) obtained from islands and estuary mouth of the Cross River, Nigeria.</p>
Linked selection, differential introgression and recombination rate variation promote heterogeneous divergence in a pair of yellow croakers
<p><span>Understanding the mechanisms underlying heterogeneous genomic divergence is of particular interest in evolutionary biology. Highly differentiated genomic regions, known as genomic islands, often evolve between diverging lineages. These genomic islands may be related to selection promoting adaptation or reproductive isolation. Based on whole genome assembly and genome-wide RAD sequencing in a pair of yellow croakers (genus: <em>Larimichthys</em>), we investigated the evolutionary processes shaping genomic landscapes of divergence. Demographic modelling indicated that the two species diverged following a secondary contact scenario, where differential introgression and linked selection were suggested to be involved in heterogeneous genomic divergence. We identified reduced recombination rate in genomic islands and a relatively good conservation of both genetic diversity and recombination landscapes between species, which highlight the roles of linked selection and recombination rate variation in promoting heterogeneous divergence in the common ancestral lineage of the two species. In addition, we found a positive correlation between differentiation (F<sub>ST</sub>) and absolute sequence divergence (<em>D</em><sub>xy</sub>), and elevated </span><span><span><em>D</em><sub>xy</sub></span> in genomic islands, which were different from the patterns under linked selection. Restricted gene flow in highly differentiated regions has likely remodeled the landscape of heterogeneous genomic divergence. Moreover, genomic islands showed little evidence of overlapping within and between species, implying that high gene flow and divergent selection when colonizing new habitats have reshaped the patterns of intraspecific divergence. This study highlights that highly differentiated genomic regions can also be from linked selection and variation of recombination rate, and thus are not necessarily related to speciation islands or local adaptation. </span></p>
Catch-per-unit effort (CPUE) of the West African croaker Pseudotolithus elongatus in the Cross River Estuary, Nigeria
<p>Catch per unit effort, CPUE is a simple and effective statistical method employed by fisheries scientists to describe the catch status of a particular fishery. It can be presented as the total number of fish per hook, or time spent fishing, or trawler, or fisher. It is usually quantified in tons or kg</p>
Using acoustic telemetry to quantify potential contaminant exposure of Vermilion Rockfish (Sebastes miniatus), Hornyhead Turbot (Pleuronichthys verticalis), and White Croaker (Genyonemus lineatus) at wastewater outfalls in southern California
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Linked selection, differential introgression and recombination rate variation promote heterogeneous divergence in a pair of yellow croakers
Open the record for dataset details and reuse information.
FIGURE 8 in Johnius sasakii, a new species of croaker (Perciformes: Sciaenidae) with a key to Johnius from East Malaysia, Borneo
FIGURE 8. (A) Phylogenetic trees reconstructed using the nDNA S7 genes of 5 Johnius (Johnius) species. Values above the branches are respective bootstrap values from 5000 replications for the Neighbour-Joining (NJ) and Maximum-Likelihood (ML) analyses. Bar indicates genetic distances of 0.02. (B) Three nucleotide differences (black arrow) at the sites 215, 308, and 354 nucleotides in the homozygote nuclear gene S7 of J. sasakii sp. nov.
FIGURE 4 in Johnius sasakii, a new species of croaker (Perciformes: Sciaenidae) with a key to Johnius from East Malaysia, Borneo
FIGURE 4. Swimbladder of Johnius sasakii sp. nov. (paratype, NMMB-P 34739, 146 mm SL), with 14 pairs of lateral appendages followed by a hammer-shape, with a number of arborescent appendages along the entire lateral surface (ventral view).
FIGURE 1 in Johnius sasakii, a new species of croaker (Perciformes: Sciaenidae) with a key to Johnius from East Malaysia, Borneo
FIGURE 1. (A) The distinctly enlarged teeth on upper and lower jaws from Johnius (Johnieops) borneensis, NMMB-P 15389 (147 mm SL) (front view). (B) The slightly enlarged teeth on upper jaw; small and uniform teeth on lower jaw from paratype of Johnius (Johnius) sasakii sp. nov., NMMB-P 34743 (143 mm SL) (front view).
FIGURE 7. Phylogenetic trees reconstructed using the mtDNA 16S in Johnius sasakii, a new species of croaker (Perciformes: Sciaenidae) with a key to Johnius from East Malaysia, Borneo
FIGURE 7. Phylogenetic trees reconstructed using the mtDNA 16S genes of five Johnius (Johnius) species. Values above the branches are respective bootstrap values from 5000 replications for the Neighbour-Joining (NJ) and Maximum-Likelihood (ML) analyses. Bar indicates genetic distances of 0.02.
FIGURE 2 in Johnius sasakii, a new species of croaker (Perciformes: Sciaenidae) with a key to Johnius from East Malaysia, Borneo
FIGURE 2. Holotype of Johnius sasakii sp. nov., (A) Fresh specimen, (B) preserved specimen, NMMB-P 34733, 111 mm SL, Bako, Sarawak, Malaysia, 17 March 2017, collected by Norhafiz Hanafi, fish market.
FIGURE 6 in Johnius sasakii, a new species of croaker (Perciformes: Sciaenidae) with a key to Johnius from East Malaysia, Borneo
FIGURE 6. Photographs of the comparative materials. (A) Johnius sasakii sp. nov.; NMMB-P 34738, paratype, 114 mm SL, (B) Johnius heterolepis NMMB-P 35556, 105 mm SL, (C) Johnius carouna, NMMB-P 34743 141 mm SL and (D) Johnius macrorhynus; NMMB-P 34744, 116 mm SL.
FIGURE 5 in Johnius sasakii, a new species of croaker (Perciformes: Sciaenidae) with a key to Johnius from East Malaysia, Borneo
FIGURE 5. Inner surface of sagitta of Johnius sasakii sp. nov., paratype, NMMB-P 34739, 146 mm SL.
Comparative Transcriptome Analysis Reveals immunoregulation mechanism of lncRNA-mRNA in Large Yellow Croaker (Larimichthys crocea) in Response to Cryptocaryon irritans Infection
GEO Series GSE174221. Larimichthys crocea. 15 samples. Type: Expression profiling by high throughput sequencing.
Induced differentiation of large yellow croaker muscle satellite cells
GEO Series GSE212904. Larimichthys crocea. 9 samples. Type: Expression profiling by high throughput sequencing.
Brain transcriptome of Larimichthys crocea (Large yellow croaker) under hypoxia
GEO Series GSE57608. Larimichthys crocea. 7 samples. Type: Expression profiling by high throughput sequencing.
Data from: Development and preliminary evaluation of a genome-wide single-nucleotide polymorphisms resource generated by RAD-seq for the small yellow croaker (Larimichthys polyactis)
Recent advances in high-throughput sequencing technologies have offered the possibility to generate genome-wide sequence data to delineate previously unidentified genetic structure, obtain more accurate estimates of demographic parameters, and to evaluate potential adaptive divergence. Here, we identified 27 556 single-nucleotide polymorphisms for the small yellow croaker (Larimichthys polyactis) using restriction-site-associated DNA (RAD) sequencing of 24 individuals from two populations. Significant sources of genetic variation was identified, with an average nucleotide diversity (π) of 0.00105 ± 0.000425 across individuals and long-term effective population size was thus estimated to range between 26 172 and 261 716. According to the results, no differentiation between the two populations was detected based on the SNP dataset of top quality score per contig or neutral loci. However, the two analyzed populations were highly differentiated based on SNP dataset of both top FST value per contig and the outlier SNPs. Moreover, local adaptation was highlighted by an FST-based outlier tests implemented in LOSITAN and a total of 538 potentially locally selected SNPs were identified. BLAST2GO annotation of contigs containing the outlier SNPs yielded hits for 37 (66%) of 56 significant BLASTX matches. Candidate genes for local adaptation constituted a wide array of biological functions, including cellular response to oxidative stress, actin filament binding, ion transmembrane transport and synapse assembly. The generated SNP resources in the present study provided a valuable tool for future population genetics and genomics studies of L. polyactis.
Data from: Development and preliminary evaluation of a genome-wide single-nucleotide polymorphisms resource generated by RAD-seq for the small yellow croaker (Larimichthys polyactis)
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lncRNAs expression in the liver of large yellow croaker fed with fish oil, soybean oil, olive oil, and palm oil diets
GEO Series GSE186012. Larimichthys crocea. 12 samples. Type: Expression profiling by high throughput sequencing; Non-coding RNA profiling by high throughput sequencing.
Transcriptome and DNA methylation analyses provide insight into the heterosis of growth-related traits in hybrid yellow croaker
GEO Series GSE286334. Larimichthys; Larimichthys crocea; Larimichthys polyactis. 36 samples. Type: Expression profiling by high throughput sequencing.
FIGURE 3 in Johnius sasakii, a new species of croaker (Perciformes: Sciaenidae) with a key to Johnius from East Malaysia, Borneo
FIGURE 3. First gill arch on left side of Johnius sasakii sp. nov. (paratype: NMMB-P 34739, 146 mm SL).
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Allen Brain Atlas
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International Brain Laboratory public data
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OpenNeuro
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