Notes on Plesionika alcocki (Anderson, 1896) and Plesionika narval (Fabricius, 1787) from the southern coast of India

Chakraborty, Rekha Devi; Kuberan, G

doi:10.22271/fish.2021.v9.i1d.2412

Int. J. Fish. Aquat. Stud.

2021

DOI: 10.22271/fish.2021.v9.i1d.2412

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Notes on Plesionika alcocki (Anderson, 1896) and Plesionika narval (Fabricius, 1787) from the southern coast of India

Rekha Devi Chakraborty¹,

G Kuberan²

Abstract: The present study provides the taxonomic information on two deepsea caridean shrimps Plesionika alcocki and Plesionika narval. P. alcocki is the new record from the southeast coast of India (fishing off Bay of Bengal, 8°47′40"N, 78°09'37"E) obtained in the depth of 200-300 m. The species P. narval obtained from Kalamuku fish landing centre (fishing off Arabian Sea, 9°59'02.91"N 76°14'33.14"E) from deepsea bottom trawlers between 250-300 m depth. In addition to this the phylogenetic tree of 16S and COI mitochon… Show more

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Reproductive biology of the deep-sea shrimp Heterocarpus chani Li, 2006 (Decapoda: Caridea: Pandalidae) from southern India

Kuberan

Chakraborty

Sarada

et al. 2021

Journal of Crustacean Biology

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The caridean shrimp Heterocarpus chani Li, 2006 (Pandalidae), is widely distributed along the Indian coasts, and is commercially exploited by deep-sea fisheries in southern India. There is limited information on its reproductive biology. A total of 3,122 specimens were collected from commercial bottom trawlers with a 25–30 mm mesh cod-end at depths of 200–300 m between November 2013 and December 2015. There was no significant difference (P < 0.05) in the sex ratio, and size at first maturity with regard to the carapace length was estimated as 22.2 mm in females and 21 mm in males in Arabian Sea specimens and 22 mm and 20.8 mm, respectively, in Bay of Bengal samples. Ovigerous females were observed through the entire fishing season, which indicates year-round breeding, with three stages identified in the development of eggs (early, middle, and late stages). The estimated absolute and relative fecundity in ovigerous females ranged 830–45,650 eggs and 160–2,871 eggs g–1, respectively. The maximum of 45,650 eggs is the highest number so far reported for any pandalid species. The relationship between carapace length and fecundity revealed b values of 3.31 to 6.33, indicating positive allometry with the coefficient of determination (r2) of 0.21–0.37. Knowledge of the reproductive biology of the species can be further extrapolated aiming for the sustainable management of this resource.

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Reproductive biology of the deep-sea shrimp Heterocarpus chani Li, 2006 (Decapoda: Caridea: Pandalidae) from southern India

Kuberan

Chakraborty

Sarada

et al. 2021

Journal of Crustacean Biology

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Characterization of the complete mitochondrial genome of the striped soldier shrimp, Plesionika edwardsii (Brandt, 1851) (Crustacea: Decapoda: Pandalidae), and comparison with other species of Caridea

Jimenez-Ruiz

Robles

Navajas-Pérez

et al. 2022

Journal of Crustacean Biology

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The striped soldier shrimp, Plesionika edwardsii (Brandt, 1851) is a pandalid with economic value in the Mediterranean region. We have sequenced and assembled its complete mitochondrial genome, which is 15,956 bp in length and contains the same 37 genes found in most metazoan mitochondrial genomes. Its gene order and nucleotide content are similar to most of the caridean mitochondrial genomes. In the comparative analysis, however, we detected in other species changes in the gene order that could be mediated by the recombination of transfer RNA genes, as well as AT skew shifts that could indicate changes in the origins of replication. All protein-coding genes of the mitochondrial genome of P. edwardsii seem to be under purifying selection, although the differences in Ka:Ks ratios suggest a disparity in the mutational constraints of some genes. This genome also presents a 1,118 bp-long non-coding sequence that encompass the control region. We have been able to find a previously described conserved sequence block in this region and assess that it forms a stem-loop structure in different species of Pandalidae, which is a shared feature with the conserved sequence blocks described in the family Alvinocarididae. We also detected microsatellites in the control region of P. edwardsii and in other species of Pandalidae and minisatellites in Lysmata vittata (Stimpson, 1860) that can account for around 20% of the additional non-coding region of this species. The phylogenetic relationships of P. edwardsii with other pandalids were assessed by two analyses: one based on the complete mitochondrial sequences and another based only on the protein-coding genes. Our study, thus, contributes to the genomic resources available for P. edwardsii and expands the current biological knowledge about the mitochondrial genomes of other caridean species.

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Sequence comparison of the mitochondrial genomes of Plesionika species (Caridea: Pandalidae), gene rearrangement and phylogenetic relationships of Caridea

Sun,

Chen,

Liang

et al. 2024

PeerJ

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Background Despite the Caridean shrimps’ vast species richness and ecological diversity, controversies persist in their molecular classification. Within Caridea, the Pandalidae family exemplifies significant taxonomic diversity. As of June 25, 2023, GenBank hosts only nine complete mitochondrial genomes (mitogenomes) for this family. The Plesionika genus within Pandalidae is recognized as polyphyletic. To improve our understanding of the mitogenome evolution and phylogenetic relationships of Caridea, this study introduces three novel mitogenome sequences from the Plesionika genus: P. ortmanni, P. izumiae and P. lophotes. Methods The complete mitochondrial genomes of three Plesionika species were sequenced utilizing Illumina’s next-generation sequencing (NGS) technology. After assembling and annotating the mitogenomes, we conducted structural analyses to examine circular maps, sequence structure characteristics, base composition, amino acid content, and synonymous codon usage frequency. Additionally, phylogenetic analysis was performed by integrating existing mitogenome sequences of true shrimp available in GenBank. Results The complete mitogenomes of the three Plesionika species encompass 37 canonical genes, comprising 13 protein-coding genes (PCGs), 22 transfer RNAs (tRNAs), two ribosomal RNAs (rRNAs), and one control region (CR). The lengths of these mitogenomes are as follows: 15,908 bp for P. ortmanni, 16,074 bp for P. izumiae and 15,933 bp for P. lophotes. Our analyses extended to their genomic features and structural functions, detailing base composition, gene arrangement, and codon usage. Additionally, we performed selection pressure analysis on the PCGs of all Pandalidae species available in Genbank, indicating evolutionary purification selection acted on the PCGs across Pandalidae species. Compared with the ancestral Caridea, translocation of two tRNA genes, i.e., trnP or trnT, were found in the two newly sequenced Plesionika species—P. izumiae and P. lophotes. We constructed a phylogenetic tree of Caridea using the sequences of 13 PCGs in mitogenomes. The results revealed that family Pandalidae exhibited robust monophyly, while genus Plesionika appeared to be a polyphyletic group. Conclusions Gene rearrangements within the Pandalidae family were observed for the first time. Furthermore, a significant correlation was discovered between phylogenetics of the Caridea clade and arrangement of mitochondrial genes. Our findings offer a detailed exploration of Plesionika mitogenomes, laying a crucial groundwork for subsequent investigations into genetic diversity, phylogenetic evolution, and selective breeding within this genus.

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Notes on Plesionika alcocki (Anderson, 1896) and Plesionika narval (Fabricius, 1787) from the southern coast of India

Cited by 3 publications

References 7 publications

Reproductive biology of the deep-sea shrimp Heterocarpus chani Li, 2006 (Decapoda: Caridea: Pandalidae) from southern India

Reproductive biology of the deep-sea shrimp Heterocarpus chani Li, 2006 (Decapoda: Caridea: Pandalidae) from southern India

Characterization of the complete mitochondrial genome of the striped soldier shrimp, Plesionika edwardsii (Brandt, 1851) (Crustacea: Decapoda: Pandalidae), and comparison with other species of Caridea

Sequence comparison of the mitochondrial genomes of Plesionika species (Caridea: Pandalidae), gene rearrangement and phylogenetic relationships of Caridea

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