The complete mitochondrial genome of an endemic cichlid Etroplus canarensis from Western Ghats, India (Perciformes: Cichlidae) and molecular phylogenetic analysis

Joseph, Joelin; Sreeedharan, Sandeep; George, Sanil; Antony, Mano Mohan

doi:10.1007/s11033-022-07130-9

Cited by 5 publications

(4 citation statements)

References 47 publications

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“…It contains 13 PCGs, 22 tRNAs, two rRNAs, and a D-loop non-coding region. The basic composition of S. galilaeus was found to be A = 27.9%, G = 15.6%, T = 25.5%, and C = 31.0%, and the AT content (53.4%) was higher than the GC content (46.4%) consistent with the patterns observed in other vertebrates (e.g., Etroplus canarensis) [20]. The S. galilaeus species was observed to exhibit the guanine-rich (H) strand and cytosine-rich (L) strand coding pattern reported for other teleosts.…”

Section: Mitogenome Composition and Organizationsupporting

confidence: 81%

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Characterization and phylogenetic analysis of the complete mitochondrial genome of Mango tilapia (Sarotherodon galilaeus: Cichlidae)

et al. 2023

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Background Sarotherodon galilaeus (Linné, 1758) is a member of the family Cichlidae, which is considered the most important aquaculture freshwater species endemic to Africa and the Middle East. The genetics and molecular biology of this species are rare. This requires more comprehensive mitochondrial genomes-based phylogenetics to enhance understanding of the relationship and delineate this species. Methods and results Here, we assembled the complete mitogenome of S. galilaeus using Illumina high-throughput sequencing technology. The mango tilapia mitogenome was 16,631 bp in length with an AT composition of 53.4% and 46.4% GC content. It encodes 37 genes comprising two ribosomal RNA genes (rRNAs), 22 transfer RNA genes (tRNAs), and 13 protein-coding genes (PCGs) as well as the D-loop known as the control region. The phylogenetic tree was conducted to provide a relationship within the haplotilapiine lineage based on the maximum likelihood method, and the newly sequenced S. galilaeus was clustered with other Sarotherodon species. Conclusion Our results provide a new perception of the genetic basis of S. galilaeus species for further research on systematics, evolution, population genetics, and molecular ecology.

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Section: Mitogenome Composition and Organizationsupporting

confidence: 81%

“…On the other hand, two stop codons were employed TTA (ATPase6, ATPase8, COI, ND2, ND4L, ND5, and ND6), and TAG (ND1). Incomplete stop codons were detected for CYTB, COX2, COX3, ND3, and ND4, common in the protein-coding genes of the teleost mitochondria [ 18 , 20 , 23 , 24 ].…”

Section: Resultsmentioning

confidence: 99%

Characterization and phylogenetic analysis of the complete mitochondrial genome of Mango tilapia (Sarotherodon galilaeus: Cichlidae)

et al. 2023

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“…Several non-matching base pairs were detected within the stems of these tRNAs. These mismatches observed in tRNA sequences appeared to be a common occurrence in teleost mitochondrial tRNA genes [49,50]. It's probable that the mismatches present in the stems of these tRNAs underwent modi cations via posttranscriptional editing mechanisms [51,52].…”

Section: Discussionmentioning

confidence: 96%

Insights into structural features and phylogenetic implications of the complete mitochondrial genome of Fasin rainbow fish (Melanotaenia fasinensis)

Marnis,

Syahputra,

Kadarusman

et al. 2024

Preprint

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The Fasin Rainbow fish, scientifically known as Melanotaenia fasinensis, is highly sought after by aquarium enthusiasts due to its vibrant colors and adaptability to artificial aquatic environments. This species is endemic to the karst landscape of the Bird’s Head region in Papua, Indonesia, and belongs to the Melanotaeniidae family. Discovered relatively recently in 2010, it has been designated as endangered by the International Union for Conservation of Nature (IUCN) in 2021. However, there is currently insufficient data regarding its phylogenetic positioning. To address this gap, our study employed next-generation sequencing to analyze the entire mitochondrial genome of M. fasinensis. The mitochondrial genome consists of 13 protein-coding genes, 22 transfer RNA genes, and two ribosomal RNA genes, with a total length of 16,731 base pairs. The base composition of the mitogenome revealed percentages of 27.76% adenine (A), 27.34% thymine (T), 16.15% guanine (G), and 28.75% cytosine (C). Our phylogenetic analysis, based on nucleotide sequences mitogenome, indicated that M. fasinensis occupies a relatively basal position within the Melanotaenia genus. This study provides valuable molecular insights for further exploration of phylogeography and evolutionary history, not only for M. fasinensis but also for other members of the Melanotaenia genus.

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“…The following supporting information can be downloaded at: , Table S1: List of Indian states where eating snail meat is common; Table S2: Overview of snakes are used for zootherapy in tribal communities; Table S3: Overview of where frog meat is common. References [ 174 , 187 , 188 , 189 , 190 , 191 , 192 , 193 , 194 , 195 , 196 , 197 , 198 , 199 , 200 , 201 , 202 , 203 , 204 , 205 , 206 , 207 , 208 , 209 , 210 , 211 ] are cited in the Supplementary Materials .…”

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confidence: 99%

An Overview of Angiostrongylus cantonensis (Nematoda: Angiostrongylidae), an Emerging Cause of Human Angiostrongylosis on the Indian Subcontinent

2023

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Human angiostrongylosis is an emerging zoonosis caused by the larvae of three species of metastrongyloid nematodes of the genus Angiostrongylus, with Angiostrongylus cantonensis (Chen, 1935) being dominant across the world. Its obligatory heteroxenous life cycle includes rats as definitive hosts, mollusks as intermediate hosts, and amphibians and reptiles as paratenic hosts. In humans, the infection manifests as Angiostrongylus eosinophilic meningitis (AEM) or ocular form. Since there is no comprehensive study on the disease in the Indian subcontinent, our study aims at the growing incidence of angiostrongylosis in humans, alongside its clinical course and possible causes. A systematic literature search revealed 28 reports of 45 human cases from 1966 to 2022; eosinophilic meningitis accounted for 33 cases (75.5%), 12 cases were reported as ocular, 1 case was combined, and 1 case was unspecified. The presumed source of infection was reported in 5 cases only. Importantly, 22 AEM patients reported a history of eating raw monitor lizard (Varanus spp.) tissues in the past. As apex predators, monitor lizards accumulate high numbers of L3 responsible for acute illness in humans. For ocular cases, the source was not identified. Most cases were diagnosed based on nematode findings and clinical pathology (primarily eosinophilia in the cerebrospinal fluid). Only two cases were confirmed to be A. cantonensis, one by immunoblot and the other by q-PCR. Cases of angiostrongylosis have been reported in Delhi, Karnataka, Kerala, Maharashtra, Madhya Pradesh, Puducherry, Telangana, and West Bengal. With a population of more than 1.4 billion, India is one of the least studied areas for A. cantonensis. It is likely that many cases remain undetected/unreported. Since most cases have been reported from the state of Kerala, further research may focus on this region. Gastropods, amphibians, and reptiles are commonly consumed in India; however, typical preparation methods involve cooking, which kills the nematode larvae. In addition to studying rodent and mollusk hosts, monitor lizards can be used as effective sentinels. Sequence data are urgently needed to answer the question of the identity of Angiostrongylus-like metastrongylid nematodes isolated from all types of hosts. DNA-based diagnostic methods such as q-PCR and LAMP should be included in clinical diagnosis of suspected cases and in studies of genetic diversity and species identity of nematodes tentatively identified as A. cantonensis.

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The complete mitochondrial genome of an endemic cichlid Etroplus canarensis from Western Ghats, India (Perciformes: Cichlidae) and molecular phylogenetic analysis

Cited by 5 publications

References 47 publications

Characterization and phylogenetic analysis of the complete mitochondrial genome of Mango tilapia (Sarotherodon galilaeus: Cichlidae)

Characterization and phylogenetic analysis of the complete mitochondrial genome of Mango tilapia (Sarotherodon galilaeus: Cichlidae)

Insights into structural features and phylogenetic implications of the complete mitochondrial genome of Fasin rainbow fish (Melanotaenia fasinensis)

An Overview of Angiostrongylus cantonensis (Nematoda: Angiostrongylidae), an Emerging Cause of Human Angiostrongylosis on the Indian Subcontinent

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