Displaying publications 1 - 20 of 65 in total

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  1. Analysis of pork adulteration in commercial meatballs targeting porcine-specific mitochondrial cytochrome b gene by TaqMan probe real-time polymerase chain reaction
    Ali ME, Hashim U, Mustafa S, Che Man YB, Dhahi TS, Kashif M, et al.
    Meat Sci, 2012 Aug;91(4):454-9.
    PMID: 22444666 DOI: 10.1016/j.meatsci.2012.02.031
    A test for assessing pork adulteration in meatballs, using TaqMan probe real-time polymerase chain reaction, was developed. The assay combined porcine-specific primers and TaqMan probe for the detection of a 109 bp fragment of porcine cytochrome b gene. Specificity test with 10 ng DNA of eleven different species yielded a threshold cycle (Ct) of 15.5 ± 0.20 for the pork and negative results for the others. Analysis of beef meatballs with spiked pork showed the assay can determine 100-0.01% contaminated pork with 102% PCR efficiency, high linear regression (r(2) = 0.994) and ≤ 6% relative errors. Residuals analysis revealed a high precision in all determinations. Random analysis of commercial meatballs from pork, beef, chicken, mutton and goat, yielded a Ct between 15.89 ± 0.16 and 16.37 ± 0.22 from pork meatballs and negative results from the others, showing the suitability of the assay to determine pork in commercial meatballs with a high accuracy and precision.
    Matched MeSH terms: Genes, Mitochondrial*
  2. Fulltext Ooplasmic transfer in human oocytes: efficacy and concerns in assisted reproduction
    Darbandi S, Darbandi M, Khorram Khorshid HR, Sadeghi MR, Agarwal A, Sengupta P, et al.
    Reprod Biol Endocrinol, 2017 Oct 02;15(1):77.
    PMID: 28969648 DOI: 10.1186/s12958-017-0292-z
    BACKGROUND: Ooplasmic transfer (OT) technique or cytoplasmic transfer is an emerging technique with relative success, having a significant status in assisted reproduction. This technique had effectively paved the way to about 30 healthy births worldwide. Though OT has long been invented, proper evaluation of the efficacy and risks associated with this critical technique has not been explored properly until today. This review thereby put emphasis upon the applications, efficacy and adverse effects of OT techniques in human.

    MAIN BODY: Available reports published between January 1982 and August 2017 has been reviewed and the impact of OT on assisted reproduction was evaluated. The results consisted of an update on the efficacy and concerns of OT, the debate on mitochondrial heteroplasmy, apoptosis, and risk of genetic and epigenetic alteration.

    SHORT CONCLUSION: The application of OT technique in humans demands more clarity and further development of this technique may successfully prove its utility as an effective treatment for oocyte incompetence.

    Matched MeSH terms: Genes, Mitochondrial
  3. Fulltext Optimization of Polymerase Chain Reaction (PCR) of mitochondrial cytochrome c oxidase I (COI) gene in two Bornean fanged frogs
    Ramlah Zainudin, Augustine Gawin, Dency Flenny
    Pertanika Journal of Science & Technology, 2011;19(1):57-66.
    MyJurnal
    Limnonectes kuhlii and Limnonectes leporinus are two of the Bornean fanged frogs (without advertisement call) which are widely distributed, thus thought to exhibit different evolutionary lineages and the existence of genetically cryptic species. Yet, the two species are still under study especially at the molecular level. Hence, cytochrome c oxidase I (COI) of mitochondrial gene was used to investigate suitable parameters for DNA amplification using the Polymerase Chain Reaction (PCR) method. Three PCR programmes (varied in the temperatures and period of each PCR step) were employed to identify the most efficient parameters in amplifying PCR products for both species. From the three programmes, Programme B (Initial denaturation: 96°C for 5 min; denaturation: 95°C for 45 sec; annealing: 48-53°C for 1 min 30 sec; extension: 72°C for 1 min 30 sec; final extension: 72°C for 10 min, 30 cycles) showed the highest percentage (53%) of optimal PCR products. The other two programmes showed non-specific products or “primer-dimers”. The results also suggest that the annealing temperature of 52°C, 0.025-0.05 units/µl of 1.5mM Taq polymerase, 0.04 mM of
    dNTPs mix and optimal concentrations of magnesium in 50 µl of reaction mixture were sufficient enough to amplify high quality PCR products for both species. However, using Programme B, the re-amplification of the PCR products yielded “primer-dimer”. In addition, a ‘Hot-Start’ PCR method was also applied and mostly yielded in an optimal PCR amplification. Nevertheless, further research on the second amplification of the two species should be conducted to determine the causes of the primer-dimer production.
    Matched MeSH terms: Genes, Mitochondrial
  4. The complete mitogenome of purple mottled shore crab Cyclograpsus granulosus H. Milne-Edwards, 1853 (Crustacea: Decapoda: Grapsoidea)
    Tan MH, Gan HM, Lee YP, Austin CM
    Mitochondrial DNA A DNA Mapp Seq Anal, 2016 11;27(6):3981-3982.
    PMID: 25541307
    The mitochondrial genome sequence of the purple mottled shore crab, Cyclograpsus granulosus, is documented (GenBank accession number: LN624373), which makes it the third for genera of the superfamily Grapsoidea. Cyclograpsus granulosus has a mitogenome of 16,300 bp consisting of 13 protein-coding genes, two ribosomal subunit genes, 22 transfer RNAs and a non-coding AT-rich region. The base composition of the C. granulosus mitogenome is 36.15% for T, 19.54% for C, 33.14% for A and 11.17% for G, with an AT bias of 69.29%. The mitogenome gene order is atypical for the brachyuran crabs, but is identical to species of the genus Eriocheir from the same family.
    Matched MeSH terms: Genes, Mitochondrial*
  5. The complete mitogenome of the porcelain crab Petrolisthes haswelli Miers, 1884 (Crustacea: Decapoda: Anomura)
    Tan MH, Gan HM, Lee YP, Austin CM
    Mitochondrial DNA A DNA Mapp Seq Anal, 2016 11;27(6):3983-3984.
    PMID: 25541305
    The mitochondrial genome sequence of the porcellanid crab, Petrolisthes haswelli is provided, making it the second for the family Porcellanidae and the third for the superfamily Galatheoidea. Petrolisthes haswelli has a mitogenome of 15,348 bp consisting of 13 protein-coding genes, two ribosomal subunit genes, 22 transfer RNAs and a non-coding AT-rich region. The base composition of the P. haswelli mitogenome is 35.66% for T, 18.65% for C, 34.35% for A and 11.34% for G, with an AT bias of 70.01%. The mitogenome gene order is identical to the mitogenome of Neopetrolisthes maculatus, the only other species of the family with a sequenced mitogenome.
    Matched MeSH terms: Genes, Mitochondrial*
  6. The complete mitogenome of the ghost crab Ocypode ceratophthalmus (Pallas, 1772) (Crustacea: Decapoda: Ocypodidae)
    Tan MH, Gan HM, Lee YP, Austin CM
    Mitochondrial DNA A DNA Mapp Seq Anal, 2016 05;27(3):2123-4.
    PMID: 25423512 DOI: 10.3109/19401736.2014.982587
    The mitochondrial genome sequence of the ghost crab, Ocypode ceratophthalmus, is documented (GenBank accession number: LN611669) in this article. This is the first mitogenome for the family Ocypodidae and the second for the order Ocypodoidea. Ocypode ceratophthalmus has a mitogenome of 15,564 base pairs consisting of 13 protein-coding genes, two ribosomal subunit genes, 22 transfer RNAs and a non-coding AT-rich region. The base composition of the O. ceratophthalmus mitogenome is 35.78% for T, 19.36% for C, 33.73% for A and 11.13% for G, with an AT bias of 69.51% and the gene order is the typical arrangement for brachyuran crabs.
    Matched MeSH terms: Genes, Mitochondrial
  7. The complete mitogenome of the soldier crab Mictyris longicarpus (Latreille, 1806) (Crustacea: Decapoda: Mictyridae)
    Tan MH, Gan HM, Lee YP, Austin CM
    Mitochondrial DNA A DNA Mapp Seq Anal, 2016 05;27(3):2121-2.
    PMID: 25423510 DOI: 10.3109/19401736.2014.982585
    The Mictyris longicarpus (soldier crab) complete mitochondrial genome sequence is reported making it the first for the family Mictyridae and the second for the superfamily Ocypodoidea. The mitogenome is 15,548 base pairs made up of 13 protein-coding genes, 2 ribosomal subunit genes, 22 transfer RNAs and a non-coding AT-rich region. The soldier crab mitogenome gene order is characteristic of brachyuran crabs with a base composition of 36.58% for T, 19.15% for C, 32.43% for A and 11.83% for G, with an AT bias of 69.01%.
    Matched MeSH terms: Genes, Mitochondrial
  8. The complete mitogenome of the endangered white-clawed freshwater crayfish Austropotamobius pallipes (Lereboullet, 1858) (Crustacea: Decapoda: Astacidae)
    Grandjean F, Tan MH, Gan HY, Gan HM, Austin CM
    Mitochondrial DNA A DNA Mapp Seq Anal, 2016 09;27(5):3329-30.
    PMID: 25738217 DOI: 10.3109/19401736.2015.1018207
    The Austropotamobius pallipes complete mitogenome has been recovered using Next-Gen sequencing. Our sample of A. pallipes has a mitogenome of 15,679 base pairs (68.44% A + T content) made up of 13 protein-coding genes, 2 ribosomal subunit genes, 22 transfer RNAs, and a 877 bp non-coding AT-rich region. This is the first mitogenome sequenced for a crayfish from the family Astacidae and the 4(th) for northern hemisphere genera.
    Matched MeSH terms: Genes, Mitochondrial
  9. The complete mitogenome of the New Zealand freshwater crayfish Paranephrops planifrons White 1842 (Crustacea: Decapoda: Parastacidae)
    Lee YP, Gan HM, Tan MH, Lys I, Page R, Dias Wanigasekera B, et al.
    Mitochondrial DNA A DNA Mapp Seq Anal, 2016 09;27(5):3333-4.
    PMID: 25707411 DOI: 10.3109/19401736.2015.1018209
    The mitogenome of Paranephrops planifrons, was obtained by next generation sequencing. This crayfish has a mitochondrial genome of 16,174 base pairs with 13 protein-coding genes, 2 ribosomal subunit genes, 22 transfer RNAs (tRNA), and a non-coding AT-rich region of 771 bp. The P. planifrons nucleotide composition is: 33.63% for T, 21.92% for C, 34.46% for A, and 9.98% for G and has a 68.09% AT bias. While the mitogenome gene order for this species is consistent with aspects of the highly distinctive parastacid crayfish mitogenome gene arrangement, it has a novel gene order involving the rearrangements of a protein coding and several tRNA genes.
    Matched MeSH terms: Genes, Mitochondrial
  10. The complete mitogenome of the giant clam Tridacna squamosa (Heterodonta: Bivalvia: Tridacnidae)
    Gan HM, Gan HY, Tan MH, Penny SS, Willan RC, Austin CM
    Mitochondrial DNA A DNA Mapp Seq Anal, 2016 09;27(5):3220-1.
    PMID: 25648928 DOI: 10.3109/19401736.2015.1007355
    The complete mitochondrial genome of the commercially and ecologically important and internationally vulnerable giant clam Tridacna squamosa was recovered by genome skimming using the MiSeq platform. The T. squamosa mitogenome has 20,930 base pairs (62.35% A+T content) and is made up of 12 protein-coding genes, 2 ribosomal subunit genes, 24 transfer RNAs, and a 2594 bp non-coding AT-rich region. The mitogenome has a relatively large insertion in the atp6 gene. This is the first mitogenome to be sequenced from the genus Tridacna, and the family Tridacnidae and represents a new gene order.
    Matched MeSH terms: Genes, Mitochondrial
  11. The complete mitochondrial genome of the bass yabby Trypaea australiensis Dana 1852, (Crustacea; Decapoda; Callianassidae) - a new gene order for the Decapoda
    Gan HY, Gan HM, Lee YP, Austin CM
    Mitochondrial DNA A DNA Mapp Seq Anal, 2016 11;27(6):3985-3986.
    PMID: 25543913
    The complete mitochondrial genome of the Bass yabby Trypaea australiensis was obtained from a partial genome scan using the MiSeq sequencing system. The T. australiensis mitogenome is 16,821 bp in length (70.25% A + T content) made up of 13 protein-coding genes, 2 ribosomal subunit genes, 22 transfer RNAs and a putative 1977 bp non-coding AT-rich region. This Trypaea mitogenome sequence is the 5th for the family Callianassidae and represents a new gene order for the Decapoda involving protein-coding, rRNA and tRNA genes and the control region.
    Matched MeSH terms: Genes, Mitochondrial*
  12. The complete mitogenome of the river blackfish, Gadopsis marmoratus (Richardson, 1848) (Teleostei: Percichthyidae)
    Gan HM, Tan MH, Lee YP, Austin CM
    Mitochondrial DNA A DNA Mapp Seq Anal, 2016 05;27(3):2030-1.
    PMID: 25329292 DOI: 10.3109/19401736.2014.974174
    The mitogenome of the Australian freshwater blackfish, Gadopsis marmoratus was recovered coverage by genome skimming using the MiSeq sequencer (GenBank Accession Number: NC_024436). The blackfish mitogenome has 16,407 base pairs made up of 13 protein-coding genes, 2 ribosomal subunit genes, 22 transfer RNAs, and a 819 bp non-coding AT-rich region. This is the 5th mitogenome sequence to be reported for the family Percichthyidae.
    Matched MeSH terms: Genes, Mitochondrial
  13. The complete mitogenome of the Australian tadpole shrimp Triops australiensis (Spencer & Hall, 1895) (Crustacea: Branchiopoda: Notostraca)
    Gan HM, Tan MH, Lee YP, Austin CM
    Mitochondrial DNA A DNA Mapp Seq Anal, 2016 05;27(3):2028-9.
    PMID: 25329290 DOI: 10.3109/19401736.2014.974173
    The mitochondrial genome sequence of the Australian tadpole shrimp, Triops australiensis is presented (GenBank Accession Number: NC_024439) and compared with other Triops species. Triops australiensis has a mitochondrial genome of 15,125 base pairs consisting of 13 protein-coding genes, 2 ribosomal subunit genes, 22 transfer RNAs, and a non-coding AT-rich region. The T. australiensis mitogenome is composed of 36.4% A, 16.1% C, 12.3% G and 35.1% T. The mitogenome gene order conforms to the primitive arrangement for Branchiopod crustaceans, which is also conserved within the Pancrustacean.
    Matched MeSH terms: Genes, Mitochondrial
  14. The complete mitogenome of Cherax monticola (Crustacea: Decapoda: Parastacidae), a large highland crayfish from New Guinea
    Gan HM, Tan MH, Eprilurahman R, Austin CM
    Mitochondrial DNA A DNA Mapp Seq Anal, 2016;27(1):337-8.
    PMID: 24617471 DOI: 10.3109/19401736.2014.892105
    The complete mitochondrial genome of a highland freshwater crayfish, Cherax monticola, was recovered by shotgun sequencing. The mitogenome consists of 15,917 base pairs containing 13 protein-coding genes, 2 ribosomal subunit genes, 22 transfer RNAs and a non-coding AT-rich region. The base composition of C. monticola is 33.46% for T, 21.48% for C, 33.71% for A and 11.35% for G, with an AT bias of 67.17%.
    Matched MeSH terms: Genes, Mitochondrial
  15. The complete mitogenome of the Macquarie perch, Macquaria australasica Cuvier, 1830 (Teleostei: Percichthyidae)
    Gan HM, Tan MH, Austin CM
    Mitochondrial DNA A DNA Mapp Seq Anal, 2016;27(1):383-4.
    PMID: 24617484 DOI: 10.3109/19401736.2014.895996
    The complete mitochondrial genome of the conservationally significant Macquarie perch (Macquaria australasica) was obtained from low-coverage shotgun sequencing using the MiSeq sequencer. The M. australasica mitogenome has 16,496 base pairs (55% A + T content) made up of 13 protein-coding genes, 2 ribosomal subunit genes, 22 transfer RNAs, and a 819 bp non-coding AT-rich region. This is the first mitogenome sequence for the genus Macquaria, and the third to be reported for the family Percichthyidae.
    Matched MeSH terms: Genes, Mitochondrial
  16. ORDER within the chaos: Insights into phylogenetic relationships within the Anomura (Crustacea: Decapoda) from mitochondrial sequences and gene order rearrangements
    Tan MH, Gan HM, Lee YP, Linton S, Grandjean F, Bartholomei-Santos ML, et al.
    Mol Phylogenet Evol, 2018 10;127:320-331.
    PMID: 29800651 DOI: 10.1016/j.ympev.2018.05.015
    The infraorder Anomura consists of a morphologically and ecologically heterogeneous group of decapod crustaceans, and has attracted interest from taxonomists for decades attempting to find some order out of the seemingly chaotic diversity within the group. Species-level diversity within the Anomura runs the gamut from the "hairy" spindly-legged yeti crab found in deep-sea hydrothermal vent environments to the largest known terrestrial invertebrate, the robust coconut or robber crab. Owing to a well-developed capacity for parallel evolution, as evidenced by the occurrence of multiple independent carcinization events, Anomura has long tested the patience and skill of both taxonomists attempting to find order, and phylogeneticists trying to establish stable hypotheses of evolutionary inter-relationships. In this study, we performed genome skimming to recover the mitogenome sequences of 12 anomuran species including the world's largest extant invertebrate, the robber crab (Birgus latro), thereby over doubling these resources for this group, together with 8 new brachyuran mitogenomes. Maximum-likelihood (ML) and Bayesian-inferred (BI) phylogenetic reconstructions based on amino acid sequences from mitogenome protein-coding genes provided strong support for the monophyly of the Anomura and Brachyura and their sister relationship, consistent with previous studies. The majority of relationships within families were supported and were largely consistent with current taxonomic classifications, whereas many relationships at higher taxonomic levels were unresolved. Nevertheless, we have strong support for a polyphyletic Paguroidea and recovered a well-supported clade of a subset of paguroids (Diogenidae + Coenobitidae) basal to all other anomurans, though this requires further testing with greater taxonomic sampling. We also introduce a new feature to the MitoPhAST bioinformatics pipeline (https://github.com/mht85/MitoPhAST) that enables the extraction of mitochondrial gene order (MGO) information directly from GenBank files and clusters groups based on common MGOs. Using this tool, we compared MGOs across the Anomura and Brachyura, identifying Anomura as a taxonomic "hot spot" with high variability in MGOs among congeneric species from multiple families while noting the broad association of highly-rearranged MGOs with several anomuran lineages inhabiting extreme niches. We also demonstrate the value of MGOs as a source of novel synapomorphies for independently reinforcing tree-based relationships and for shedding light on relationships among challenging groups such as the Aegloidea and Lomisoidea that were unresolved in phylogenetic reconstructions. Overall, this study contributes a substantial amount of new genetic material for Anomura and attempts to further resolve anomuran evolutionary relationships where possible based on a combination of sequence and MGO information. The new feature in MitoPhAST adds to the relatively limited number of bioinformatics tools available for MGO analyses, which can be utilized widely across animal groups.
    Matched MeSH terms: Genes, Mitochondrial
  17. The genus Scirtothrips (Thysanoptera: Thripidae) in Malaysia, with four new species and comments on Biltothrips, a related genus 
    Ng YF, Mound LA, Azidah AA
    Zootaxa, 2014;3856(2):253-66.
    PMID: 25284657 DOI: 10.11646/zootaxa.3856.2.6
    Species of the genus Scirtothrips are studied from Malaysia for the first time. Six species of this genus are here recorded from Malaysia: S. dobroskyi is newly recorded, and four new species: S. lantanae sp.n., S. lixinae sp.n., S. hitam sp.n. and S. malayensis sp.n. are described together with an illustrated identification key. Relationships were examined between S. dorsalis and the closely related S. hitam sp.n., based on the mitochondrial gene COI, and a redescription of the widespread pest species, dorsalis, is provided. Biltothrips minutus (Bhatti) is reported from Malaysia for the first time, and illustrations provided to distinguish this genus from Scirtothrips. 
    Matched MeSH terms: Genes, Mitochondrial
  18. Timeframes of speciation, reticulation, and hybridization in the bulldog bat explained through phylogenetic analyses of all genetic transmission elements
    Khan FA, Phillips CD, Baker RJ
    Syst Biol, 2014 Jan 1;63(1):96-110.
    PMID: 24149076 DOI: 10.1093/sysbio/syt062
    Phylogenetic comparisons of the different mammalian genetic transmission elements (mtDNA, X-, Y-, and autosomal DNA) is a powerful approach for understanding the process of speciation in nature. Through such comparisons the unique inheritance pathways of each genetic element and gender-biased processes can link genomic structure to the evolutionary process, especially among lineages which have recently diversified, in which genetic isolation may be incomplete. Bulldog bats of the genus Noctilio are an exemplar lineage, being a young clade, widely distributed, and exhibiting unique feeding ecologies. In addition, currently recognized species are paraphyletic with respect to the mtDNA gene tree and contain morphologically identifiable clades that exhibit mtDNA divergences as great as among many species. To test taxonomic hypotheses and understand the contribution of hybridization to the extant distribution of genetic diversity in Noctilio, we used phylogenetic, coalescent stochastic modeling, and divergence time estimates using sequence data from cytochrome-b, cytochrome c oxidase-I, zinc finger Y, and zinc finger X, as well as evolutionary reconstructions based on amplified fragment length polymorphisms (AFLPs) data. No evidence of ongoing hybridization between the two currently recognized species was identified. However, signatures of an ancient mtDNA capture were recovered in which an mtDNA lineage of one species was captured early in the noctilionid radiation. Among subspecific mtDNA clades, which were generally coincident with morphology and statistically definable as species, signatures of ongoing hybridization were observed in sex chromosome sequences and AFLP. Divergence dating of genetic elements corroborates the diversification of extant Noctilio beginning about 3 Ma, with ongoing hybridization between mitochondrial lineages separated by 2.5 myr. The timeframe of species' divergence within Noctilio supports the hypothesis that shifts in the dietary strategies of gleaning insects (N. albiventris) or fish (N. leporinus) are among the most rapid instances of dietary evolution observed in mammals. This study illustrates the complex evolutionary dynamics shaping gene pools in nature, how comparisons of genetic elements can serve for understanding species boundaries, and the complex considerations for accurate taxonomic assignment.
    Matched MeSH terms: Genes, Mitochondrial/genetics
  19. Molecular characterization of relatedness among colour variants of Asian Arowana (Scleropages formosus)
    Mohd-Shamsudin MI, Fard MZ, Mather PB, Suleiman Z, Hassan R, Othman RY, et al.
    Gene, 2011 Dec 15;490(1-2):47-53.
    PMID: 21945689 DOI: 10.1016/j.gene.2011.08.025
    Morphological identification of fish taxa can sometimes prove difficult because phenotypic variation is either being affected by environmental factors, phenotypic characters are highly conserved or marker selection has been inappropriate. DNA based markers especially neutral mitochondrial DNA (mtDNA) have been used widely in recent times to provide better resolution of systematic relationships among vertebrate taxa. The Asian Arowana (Scleropages formosus) is a high value ornamental fish belonging to the family Osteoglossidae with a number of different colour variants distributed geographically across different locations around Southeast Asia. Systematic relationships among colour variants still remain unresolved. Partial sequences of the Cytochrome B (Cyt B) and DNA barcoding gene, Cytochrome C Oxidase I (COI) were used here to assess genetic relationships among colour variants and as a tool for molecular identification for differentiating among colour variants in this species. Results of the study show that in general, colour pattern shows no relationship with extent of COI or Cyt B mtDNA differentiation and so cannot be used to identify taxa. Partial sequences of the mtDNA genes were sufficient however, to identify S. formosus from a closely related species within the order Osteoglossidae.
    Matched MeSH terms: Genes, Mitochondrial
  20. Fulltext Complete mitochondrial genomes and phylogenetic relationships of the genera Nephila and Trichonephila (Araneae, Araneoidea)
    Yong HS, Song SL, Chua KO, Wayan Suana I, Eamsobhana P, Tan J, et al.
    Sci Rep, 2021 May 21;11(1):10680.
    PMID: 34021208 DOI: 10.1038/s41598-021-90162-1
    Spiders of the genera Nephila and Trichonephila are large orb-weaving spiders. In view of the lack of study on the mitogenome of these genera, and the conflicting systematic status, we sequenced (by next generation sequencing) and annotated the complete mitogenomes of N. pilipes, T. antipodiana and T. vitiana (previously N. vitiana) to determine their features and phylogenetic relationship. Most of the tRNAs have aberrant clover-leaf secondary structure. Based on 13 protein-coding genes (PCGs) and 15 mitochondrial genes (13 PCGs and two rRNA genes), Nephila and Trichonephila form a clade distinctly separated from the other araneid subfamilies/genera. T. antipodiana forms a lineage with T. vitiana in the subclade containing also T. clavata, while N. pilipes forms a sister clade to Trichonephila. The taxon vitiana is therefore a member of the genus Trichonephila and not Nephila as currently recognized. Studies on the mitogenomes of other Nephila and Trichonephila species and related taxa are needed to provide a potentially more robust phylogeny and systematics.
    Matched MeSH terms: Genes, Mitochondrial
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