Displaying publications 1 - 20 of 65 in total

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  1. Is Malaysia's banded langur, Presbytis femoralis femoralis, actually Presbytis neglectus neglectus? Taxonomic revision with new insights on the radiation history of the Presbytis species group in Southeast Asia
    Abdul-Latiff MAB, Baharuddin H, Abdul-Patah P, Md-Zain BM
    Primates, 2019 Jan;60(1):63-79.
    PMID: 30471014 DOI: 10.1007/s10329-018-0699-y
    The disjunct distribution of Presbytis femoralis subspecies across Sumatra (P. f. percura), southern (P. f. femoralis) and northern (P. f. robinsoni) Peninsular Malaysia marks the unique vicariance events in the Sunda Shelf. However, the taxonomic positions and evolutionary history of P. f. femoralis are unresolved after decades of research. To elucidate this evolutionary history, we analyzed 501 base pairs of the mitochondrial HVSI gene from 25 individuals representing Malaysia's banded langur, with the addition of 29 sequences of Asian Presbytis from Genbank. Our results revealed closer affinity of P. f. femoralis to P. m. mitrata and P. m. sumatrana while maintaining the monophyletic state of P. f. femoralis as compared to P. f. robinsoni. Two central theses were inferred from the results; (1) P. f. femoralis does not belong in the same species classification as P. f. robinsoni, and (2) P. f. femoralis is the basal lineage of the Presbytis in Peninsular Malaysia. Proving the first hypothesis through genetic analysis, we reassigned P. f. femoralis of Malaysia to Presbytis neglectus (Schlegel's banded langur) (Schlegel in Revue Methodique, Museum d'Histoire Naturelle des Pays-Bas 7:1, 1876) following the International Code of Zoological Nomenclature (article 23.3). The ancestors of P. neglectus are hypothesized to have reached southern Peninsular Malaysia during the Pleistocene and survived in refugium along the western coast. Consequently, they radiated upward, forming P. f. robinsoni and P. siamensis resulting in the highly allopatric distribution in Peninsular Malaysia. This study has successfully resolved the taxonomic position of P. neglectus in Peninsular Malaysia while providing an alternative biogeographic theory for the Asian Presbytis.
    Matched MeSH terms: Genes, Mitochondrial*
  2. Fulltext The employment of q-PCR using specific primer targeting on mitochondrial cytochrome-b gene for identification of wild boar meat in meatball samples
    Aina GQ, Erwanto Y, Hossain M, Johan MR, Ali ME, Rohman A
    J Adv Vet Anim Res, 2019 Sep;6(3):300-307.
    PMID: 31583226 DOI: 10.5455/javar.2019.f348
    Objective: The objective of this study was to employ real-time or quantitative polymerase chain reaction (q-PCR) using novel species specific primer (SSP) targeting on mitochondrial cytochrome-b of wild boar species (CYTBWB2-wb) gene for the identification of non-halal meat of wild boar meat (WBM) in meatball products.

    Materials and Methods: The novel SSP of CYTBWB2-wb was designed by our group using PRIMERQUEST and NCBI software. DNA was extracted using propanol-chloroform-isoamyl alcohol method. The designed SSP was further subjected for validation protocols using DNA isolated from fresh meat and from meatball, which include specificity test, determination of efficiency, limit of detection and repeatability, and application of developed method for analysis of commercially meatball samples.

    Results: The results showed that CYTBWB2-wb was specific to wild boar species against other animal species with optimized annealing temperature of 59°C. The efficiency of q-PCR obtained was 91.9% which is acceptable according to the Codex Allimentarius Commission (2010). DNA, with as low as 5 pg/μl, could be detected using q-PCR with primer of CYTBWB2-wb. The developed method was also used for DNA analysis extracted from meatball samples commercially available.

    Conclusion: q-PCR using CYTBWB2-wb primers targeting on mitochondrial cytochrome-b gene (forward: CGG TTC CCT CTT AGG CAT TT; Reverse: GGA TGA ACA GGC AGA TGA AGA) can be fruitfully used for the analysis of WBM in commercial meatball samples.

    Matched MeSH terms: Genes, Mitochondrial
  3. 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*
  4. Fulltext Elevated mitochondrial genome variation after 50 generations of radiation exposure in a wild rodent
    Baker RJ, Dickins B, Wickliffe JK, Khan FAA, Gaschak S, Makova KD, et al.
    Evol Appl, 2017 09;10(8):784-791.
    PMID: 29151870 DOI: 10.1111/eva.12475
    Currently, the effects of chronic, continuous low dose environmental irradiation on the mitochondrial genome of resident small mammals are unknown. Using the bank vole (Myodes glareolus) as a model system, we tested the hypothesis that approximately 50 generations of exposure to the Chernobyl environment has significantly altered genetic diversity of the mitochondrial genome. Using deep sequencing, we compared mitochondrial genomes from 131 individuals from reference sites with radioactive contamination comparable to that present in northern Ukraine before the 26 April 1986 meltdown, to populations where substantial fallout was deposited following the nuclear accident. Population genetic variables revealed significant differences among populations from contaminated and uncontaminated localities. Therefore, we rejected the null hypothesis of no significant genetic effect from 50 generations of exposure to the environment created by the Chernobyl meltdown. Samples from contaminated localities exhibited significantly higher numbers of haplotypes and polymorphic loci, elevated genetic diversity, and a significantly higher average number of substitutions per site across mitochondrial gene regions. Observed genetic variation was dominated by synonymous mutations, which may indicate a history of purify selection against nonsynonymous or insertion/deletion mutations. These significant differences were not attributable to sample size artifacts. The observed increase in mitochondrial genomic diversity in voles from radioactive sites is consistent with the possibility that chronic, continuous irradiation resulting from the Chernobyl disaster has produced an accelerated mutation rate in this species over the last 25 years. Our results, being the first to demonstrate this phenomenon in a wild mammalian species, are important for understanding genetic consequences of exposure to low-dose radiation sources.
    Matched MeSH terms: Genes, Mitochondrial
  5. The nearly complete mitogenome of the Southeast Asian firefly Pteroptyx tener (Coleoptera: Lampyridae)
    Cheng S, Mat-Isa MN, Sapian IS, Ishak SF
    Mol Biol Rep, 2021 Feb;48(2):1281-1290.
    PMID: 33582950 DOI: 10.1007/s11033-021-06189-0
    The estuarine firefly, Pteroptyx tener, aggregates in the thousands in mangrove trees lining tidal rivers in Southeast Asia where they engage one another in a nocturnal, pre-mating ritual of synchronised courtship flashes. Unfortunately, populations of the species by virtue of being restricted to isolated estuarine rivers systems in the region, are at risk of genetic isolation. Because of this concern we undertook the task of sequencing and characterising the mitochondrial DNA genome of P. tener, as the first step towards helping us to characterise and better understand their genetic diversity. We sequenced and assembled the mitochondrial DNA genome of P. tener from two male and female specimens from the district of Kuala Selangor in Peninsular Malaysia and announce the molecules in this publication. We also reconstructed the phylogenetic trees of all available lampyrids mitogenomes and suggest the need to re-examine our current understanding of their classification which have largely been based on morphological data and the cox1 gene. Separately, our analysis of codon usage patterns among lampyrid mitogenomes showed that the codon usage in a majority of the protein-coding genes were non-neutral. Codon usage patterns between mitogenome sequences of P. tener were, however, largely neutral. Our findings demonstrate the usefulness of mitochondrial genes/mitogenomes for analysing both inter- and intra- specific variation in the Lampyridae to aid in species discovery in this highly variable genus; and elucidate the phylogenetic relationships of Pteroptyx spp. from the region.
    Matched MeSH terms: Genes, Mitochondrial/genetics
  6. 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
  7. Genetic variation of NADH dehydrogenase subunit 1 (nad1) mitochondrial gene sequence in adult Necator americanus hookworms recovered from a female patient in Thailand
    Eamsobhana P, Yong HS, Roongruangchai K, Tungtrongchitr A, Wanachiwanawin D
    Trop Biomed, 2020 Jun 01;37(2):536-541.
    PMID: 33612820
    Two female and one male adult hookworms were recovered from a female patient in Thailand. Based on gross and microscopic morphology, the three hookworms are members of Necator americanus. Phylogenetic reconstruction based on partial NADH dehydrogenase subunit 1 (nad1) mitochondrial gene sequences shows that these hookworms belong to the same genetic lineage as N. americanus adult worm from Zhejiang, China. The male and female hookworms were genetically distinct, belonging to two different nad1-haplotypes. This is the first report targeting the nad1 gene on the identification and genetic characterization of the human hookworms originated from infected patient. The nad1 gene marker is useful for species and higher taxa differentiation of hookworms.
    Matched MeSH terms: Genes, Mitochondrial*
  8. The male and female complete mitochondrial genome sequences of the Endangered freshwater mussel Potomida littoralis (Cuvier, 1798) (Bivalvia: Unionidae)
    Froufe E, Gan HM, Lee YP, Carneiro J, Varandas S, Teixeira A, et al.
    Mitochondrial DNA A DNA Mapp Seq Anal, 2016 09;27(5):3571-2.
    PMID: 27158872 DOI: 10.3109/19401736.2015.1074223
    Freshwater mussels of the family Unionidae exhibit a particular form of mitochondria inheritance called double uniparental inheritance (DUI), in which the mitochondria are inherited by both male and female parents. The (M)ale and (F)emale mitogenomes are highly divergent within species. In the present study, we determine and describe the complete M and F mitogenomes of the Endangered freshwater mussel Potomida littoralis (Cuvier, 1798). The complete M and F mitogenomes sequences are 16 451 bp and 15 787 bp in length, respectively. Both F and M have the same gene content: 13 protein-coding genes (PCGs), 22 transfer RNA (trn) and 2 ribosomal RNA (rrn) genes. Bayesian analyses based on the concatenated nucleotide sequences of 12 PCGs and 2 rrn genes of both genomes, including mitogenome sequences available from related species, were performed. Male and Female lineages are monophyletic within the family, but reveal distinct phylogenetic relationships.
    Matched MeSH terms: Genes, Mitochondrial
  9. 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
  10. 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
  11. 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
  12. 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
  13. 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
  14. 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*
  15. 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
  16. The transfer of two clades of Malaysian Sphenomorphus Fitzinger (Squamata: Scincidae) into the genus Tytthoscincus Linkem, Diesmos, & Brown and the description of a new Malaysian swamp-dwelling species
    Grismer LL, Muin MA, Wood PL, Anuar S, Linkem CW
    Zootaxa, 2016 Mar 15;4092(2):231-42.
    PMID: 27394452 DOI: 10.11646/zootaxa.4092.2.6
    Phylogenetic analyses based on the mitochondrial gene ND2 and its flanking tRNAs indicate the diminutive upland and insular species Sphenomorphus bukitensis, S. butleri, S. langkawiensis, S. perhentianensis, and S. temengorensis form a monophyletic group that is phylogenetically embedded within the Southeast Asian genus Tytthoscincus. The analyses also indicate that a new swamp-dwelling skink from the Bukit Panchor State Park, Pulau Pinang, Peninsular Malaysia is the sister species to the swamp-dwelling species S. sibuensis from Pulau Sibu, Johor and Singapore and that these two are also embedded in the genus Tytthoscincus. By transferring the two Peninsular Malaysian clades of Sphenomorphus into the genus Tytthoscincus, the monophyly of the latter is maintained. The new species T. panchorensis sp. nov. can be distinguished from all other species of Tytthoscincus by having a unique combination of morphological and color pattern characteristics.
    Matched MeSH terms: Genes, Mitochondrial
  17. Two new Bent-toed Geckos of the Cyrtodactylus pulchellus complex from Peninsular Malaysia and multiple instances of convergent adaptation to limestone forest ecosystems
    Grismer LL, Wood PL, Anuar S, Grismer MS, Quah ES, Murdoch ML, et al.
    Zootaxa, 2016 Apr 25;4105(5):401-29.
    PMID: 27394789 DOI: 10.11646/zootaxa.4105.5.1
    A new species of limestone cave-adapted gecko of the Cyrtodactylus pulchellus complex, C. hidupselamanya sp. nov., is described from an isolated karst formation at Felda Chiku 7, Kelantan, Peninsular Malaysia. This formation is scheduled to be completely quarried for its mineral content. From what we know about the life history of C. hidupselamanya sp. nov., this will result in its extinction. A new limestone forest-adapted species, C. lenggongensis sp. nov., from the Lenggong Valley, Perak was previously considered to be conspecific with C. bintangrendah but a re-evaluation of morphological, color pattern, molecular, and habitat preference indicates that it too is a unique lineage worthy of specific recognition. Fortunately C. lenggongensis sp. nov. is not facing extinction because its habitat is protected by the UNESCO Archaeological Heritage of the Lenggong Valley due to the archaeological significance of that region. Both new species can be distinguished from all other species of Cyrtodactylus based on molecular evidence from the mitochondrial gene ND2 and its flanking tRNAs as well as having unique combinations of morphological and color pattern characteristics. Using a time-calibrated BEAST analysis we inferred that the evolution of a limestone habitat preference and its apparently attendant morphological and color pattern adaptations evolved independently at least four times in the C. pulchellus complex between 26.1 and 0.78 mya.
    Matched MeSH terms: Genes, Mitochondrial
  18. Global genetic diversity of Spirometra tapeworms
    Hong X, Liu SN, Xu FF, Han LL, Jiang P, Wang ZQ, et al.
    Trop Biomed, 2020 Mar 01;37(1):237-250.
    PMID: 33612735
    Spirometra larvae are etiological agents of human sparganosis. However, the systematics of spirometrid cestodes has long been controversial. In order to determine the current knowledge on the evolution and genetic structure of Spirometra, an exhaustive population diversity analysis of spirometrid cestodes using the mitochondrial gene: cytochrome c oxidase subunit 1 (cox1) was performed. All publicly available cox1 sequences available in the GenBank and 127 new sequencing genes from China were used as the dataset. The haplotype identify, network, genetic differentiation and phylogenetic analysis were conducted successively. A total of 488 sequences from 20 host species, representing four spirometrid tapeworms (S. decipiens, S. ranarum, S. erinaceieuropaei and Sparganum proliferum) and several unclassified American and African isolates from 113 geographical locations in 17 countries, identified 45 haplotypes. The genetic analysis revealed that there are four clades of spirometrid cestodes: Clade 1 (Brazil + USA) and Clade 2 (Argentina + Venezuela) included isolates from America, Clade 3 contained African isolates and one Korean sample, and the remainders from Asia and Australia belonged to Clade 4; unclassified Spirometra from America and Africa should be considered the separate species within the genus; and the taxonomy of two Korea isolates (S. erinaceieuropaei KJ599680 and S. decipiens KJ599679) was still ambiguous and needs to be further identified. In addition, the demographical analyses supported population expansion for the total spirometrid population. In summary, four lineages were found in the spirometrid tapeworm, and further investigation with deeper sampling is needed to elucidate the population structure.
    Matched MeSH terms: Genes, Mitochondrial
  19. Fulltext Sequence and phylogeny of the complete mitochondrial genome of the Himalayan jungle crow (Corvidae: Corvus macrorhynchos intermedius) from Pakistan
    Iqbal F, Ayub Q, Song BK, Wilson R, Fahim M, Rahman S
    Mitochondrial DNA B Resour, 2019 Dec 18;5(1):348-350.
    PMID: 33366551 DOI: 10.1080/23802359.2019.1704637
    Corvus macrorhynchos formerly referred to as the jungle crow or the large-billed crow is a polytypic species with unresolved taxonomy, comprising various subspecies widespread across South, Southeast, and East Asia. In this study, we report the complete mitogenome of one of these subspecies, Corvus macrorhynchos intermedius (Himalaya crow), from Pakistan. The mitochondrial genome is circular, 16,927 bp and contains typical animal mitochondrial genes (13 protein-coding genes, 2 ribosomal RNA, and 22 transfer RNA) and one non-coding region (D-loop) with a nucleotide content of A (30.6%), T (24.8%), G (14.8%), and C (29.8%). Phylogenetic analysis using the whole mitochondrial genome showed that C. m. intermedius and only reported subspecies Corvus macrorhynchos culminatus (Indian Jungle crow) are genetically distinct and it supports the recognition of the latter as a separate biospecies.
    Matched MeSH terms: Genes, Mitochondrial
  20. Complete mitochondrial genomes of the tooth of a poached Bornean banteng (Bos javanicus lowi; Cetartiodactyla, Bovidae)
    Ishige T, Gakuhari T, Hanzawa K, Kono T, Sunjoto I, Sukor JR, et al.
    Mitochondrial DNA A DNA Mapp Seq Anal, 2016 Jul;27(4):2453-4.
    PMID: 26075477 DOI: 10.3109/19401736.2015.1033694
    Here we report the complete mitochondrial genome of the Bornean banteng Bos javanicus lowi (Cetartiodactyla, Bovidae), which was determined using next-generation sequencing. The mitochondrial genome is 16,344 bp in length containing 13 protein-coding genes, 21 tRNAs and 2 rRNAs. It shows the typical pattern of bovine mitochondrial arrangement. Phylogenetic tree analysis of complete mtDNA sequences showed that Bornean banteng is more closely related to gaur than to other banteng subspecies. Divergence dating indicated that Bornean banteng and gaur diverged from their common ancestor approximately 5.03 million years ago. These results suggest that Bornean banteng might be a distinct species in need of conservation.
    Matched MeSH terms: Genes, Mitochondrial
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