Comparison of complete mitochondrial genomes of pine wilt nematode Bursaphelenchus xylophilus and Bursaphelenchus mucronatus (Nematoda: Aphelenchoidea) and development of a molecular tool for species identification

Sultana, Tahera; Han, Hyerim; Park, Joong Ki

doi:10.1016/j.gene.2013.02.006

Cited by 19 publications

(27 citation statements)

References 35 publications

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“…It is thought that genome architecture in Chromadorea is more stable, having only a few differences in the NCRs (Gissi et al, 2008), e.g., two congeneric species of Caenorhabditis differ only in the number and size of NCRs. Similarly, identical gene arrangement among congeneric species has been reported in two species each of Ancylostoma (Hu et al, 2002;Jex et al, 2009), Metastrongylus (Jex et al, 2010), Trichostrongylus (Jex et al, 2010), Oesophagostomum (Lin et al, 2012), Ascaris (Liu et al, 2012b), Onchocerca (Keddie et al, 1998;McNulty et al, 2012), Bursaphelenchus (Sultana et al, 2013a), Bunostomum (Gao et al, 2014), three species each of Angiostrongylus (Lv et al, 2012;Gasser et al, 2012), Toxocara (Li et al, 2008), Ascaridia (Liu et al, 2013) and four species of Baylisascaris (Xie et al, 2011a,b).…”

Section: Discussionsupporting

confidence: 56%

“…At the time of this study (October 2014), there are 11 mt genomes of PPNs published, i.e., M. chitwoodi, M. incognita, Meloidogyne graminicola, Heterodera glycines, Globodera pallida, Globodera rostochiensis, Pratylenchus vulnus, R. similis, B. xylophilus, Bursaphelenchus mucronatus and Xiphinema americanum (Armstrong et al, 2000;He et al, 2005;Gibson et al, 2007Gibson et al, , 2011Jacob et al, 2009;Sultana et al, 2013aSultana et al, , 2013bSun et al, 2014;Besnard et al, 2014). It is likely that the development of new sequencing technologies will accelerate and improve the sequencing of more nematode mt genomes, e.g., Zasada et al (2014) describe the use of Illumina HTS for sequencing the mt genome of single individuals of X. americanum from 12 populations.…”

Section: Introductionmentioning

confidence: 99%

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Mitochondrial genome plasticity among species of the nematode genus Meloidogyne (Nematoda: Tylenchina)

Humphreys-Pereira

Elling

2015

Gene

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Section: Discussionsupporting

confidence: 56%

Section: Introductionmentioning

confidence: 99%

Mitochondrial genome plasticity among species of the nematode genus Meloidogyne (Nematoda: Tylenchina)

Humphreys-Pereira

Elling

2015

Gene

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“…Most mt genomes are derived from the class Chromodorea species, only thirteen mt genomes from the class Enoplean nematodes. Among these, only five entire mtDNA genome sequences derived from PPNs, including Radopholus similis , Bursaphelenchus xylophilus , Pratylenchus vulnus and B. mucronatus in the Chromadorea and Xiphinema americanum belonging to the Enoplean, have been elucidated [17], [24]–[26]. In addition, partial mt genomic sequences from PPNs Globodera rostochiensis , G. pallid and Heterodera glycines are also present in GenBank [27]–[29].…”

Section: Introductionmentioning

confidence: 99%

The Complete Mitochondrial Genome of Meloidogyne graminicola (Tylenchina): A Unique Gene Arrangement and Its Phylogenetic Implications

et al. 2014

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Meloidogyne graminicola is one of the most economically important plant parasitic-nematodes (PPNs). In the present study, we determined the complete mitochondrial (mt) DNA genome sequence of this plant pathogen. Compared with other PPNs genera, this genome (19,589 bp) is only slightly smaller than that of Pratylenchus vulnus (21,656 bp). The nucleotide composition of the whole mtDNA sequence of M. graminicola is significantly biased toward A and T, with T being the most favored nucleotide and C being the least favored. The A+T content of the entire genome is 83.51%. The mt genome of M. graminicola contains 36 genes (lacking atp8) that are transcribed in the same direction. The gene arrangement of the mt genome of M. graminicola is unique. A total of 21 out of 22 tRNAs possess a DHU loop only, while tRNASer(AGN) lacks a DHU loop. The two large noncoding regions (2,031 bp and 5,063 bp) are disrupted by tRNASer(UCN). Phylogenetic analysis based on concatenated amino acid sequences of 12 protein-coding genes support the monophylies of the three orders Rhabditida, Mermithida and Trichinellida, the suborder Rhabditina and the three infraorders Spiruromorpha, Oxyuridomorpha and Ascaridomorpha, but do not support the monophylies of the two suborders Spirurina and Tylenchina, and the three infraorders Rhabditomorpha, Panagrolaimomorpha and Tylenchomorpha. The four Tylenchomorpha species including M. graminicola, P. vulnus, H. glycines and R. similis from the superfamily Tylenchoidea are placed within a well-supported monophyletic clade, but far from the other two Tylenchomorpha species B. xylophilus and B. mucronatus of Aphelenchoidea. In the clade of Tylenchoidea, M. graminicola is sister to P. vulnus, and H. glycines is sister to R. similis, which suggests root-knot nematodes has a closer relationship to Pratylenchidae nematodes than to cyst nematodes.

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“…Flowever, an AT repeat block is often found in non-PPN and some insect mitogenomes (Okimoto et al, 1994;Zhang et al, 1995). In PPN, an AT repeat block has only been reported in B. mucronatus (Sultana et al, 2013b).…”

Section: Non-coding Regionmentioning

confidence: 99%

The complete mitochondrial genome of Aphelenchoides besseyi (Nematoda: Aphelenchoididae), the first sequenced representative of the subfamily Aphelenchoidinae

Sun

Zhuo

Wang

et al. 2014

Nematol

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The complete mitochondrial genome (mitogenome) of Aphelenchoides besseyi is 16216 bp in size and has the typical organisation of nematode mitogenomes of Chromadorea, including 12 protein-coding genes (PCGs), two rRNA genes, 22 tRNA genes and the AT-rich non-coding region. The nucleotide composition of the mitogenome of A. besseyi is AT-biased (80.0%) and the AT skew is -0.289. The most common start codon for A. besseyi is ATT. The nad3 and nad4L genes have an incomplete stop codon consisting of just a T and the other PCGs stop with the full stop codons. All the tRNA genes display a non-typical cloverleaf structure of mitochondrial tRNA. The AT-rich non-coding region contains ten tandem repeat units with four different regions. Phylogenetic analysis based on concatenated amino acid sequences of 12 protein-coding genes showed that three Tylenchomorpha species, including A. besseyi, Bursaphelenchus mucronatus and B. xylophilus from the superfamily Aphelenchoidea, are placed within a well-supported monophyletic clade, but far from the other six Tylenchomorpha species Meloidogyne chitwoodi, M. graminicola, M. incognita, Pratylenchus vulnus, Heterodera glycines and Radopholus similis of Tylenchoidea. This phytogeny suggests that Aphelenchoides has a close relative relationship with Bursaphelenchus and that the Tylenchomorpha is not monophyletic.

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Comparison of complete mitochondrial genomes of pine wilt nematode Bursaphelenchus xylophilus and Bursaphelenchus mucronatus (Nematoda: Aphelenchoidea) and development of a molecular tool for species identification

Cited by 19 publications

References 35 publications

Mitochondrial genome plasticity among species of the nematode genus Meloidogyne (Nematoda: Tylenchina)

Mitochondrial genome plasticity among species of the nematode genus Meloidogyne (Nematoda: Tylenchina)

The Complete Mitochondrial Genome of Meloidogyne graminicola (Tylenchina): A Unique Gene Arrangement and Its Phylogenetic Implications

The complete mitochondrial genome of Aphelenchoides besseyi (Nematoda: Aphelenchoididae), the first sequenced representative of the subfamily Aphelenchoidinae

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