The bipartite mitochondrial genome of Ruizia karukerae (Rhigonematomorpha, Nematoda)

Abstract Mitochondrial genes and whole mitochondrial genome sequences are widely used as molecular markers in studying population genetics and resolving both deep and shallow nodes in phylogenetics. In animals the mitochondrial genome is generally composed of a single chromosome, but mystifying exce...

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Autores principales:	Taeho Kim, Elizabeth Kern, Chungoo Park, Steven A. Nadler, Yeon Jae Bae, Joong-Ki Park
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2018
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/5b3b733d808d4d5bbb0d553d9fb0645c
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spelling	oai:doaj.org-article:5b3b733d808d4d5bbb0d553d9fb0645c2021-12-02T16:08:02ZThe bipartite mitochondrial genome of Ruizia karukerae (Rhigonematomorpha, Nematoda)10.1038/s41598-018-25759-02045-2322https://doaj.org/article/5b3b733d808d4d5bbb0d553d9fb0645c2018-05-01T00:00:00Zhttps://doi.org/10.1038/s41598-018-25759-0https://doaj.org/toc/2045-2322Abstract Mitochondrial genes and whole mitochondrial genome sequences are widely used as molecular markers in studying population genetics and resolving both deep and shallow nodes in phylogenetics. In animals the mitochondrial genome is generally composed of a single chromosome, but mystifying exceptions sometimes occur. We determined the complete mitochondrial genome of the millipede-parasitic nematode Ruizia karukerae and found its mitochondrial genome consists of two circular chromosomes, which is highly unusual in bilateral animals. Chromosome I is 7,659 bp and includes six protein-coding genes, two rRNA genes and nine tRNA genes. Chromosome II comprises 7,647 bp, with seven protein-coding genes and 16 tRNA genes. Interestingly, both chromosomes share a 1,010 bp sequence containing duplicate copies of cox2 and three tRNA genes (trnD, trnG and trnH), and the nucleotide sequences between the duplicated homologous gene copies are nearly identical, suggesting a possible recent genesis for this bipartite mitochondrial genome. Given that little is known about the formation, maintenance or evolution of abnormal mitochondrial genome structures, R. karukerae mtDNA may provide an important early glimpse into this process.Taeho KimElizabeth KernChungoo ParkSteven A. NadlerYeon Jae BaeJoong-Ki ParkNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 8, Iss 1, Pp 1-8 (2018)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Taeho Kim Elizabeth Kern Chungoo Park Steven A. Nadler Yeon Jae Bae Joong-Ki Park The bipartite mitochondrial genome of Ruizia karukerae (Rhigonematomorpha, Nematoda)
description	Abstract Mitochondrial genes and whole mitochondrial genome sequences are widely used as molecular markers in studying population genetics and resolving both deep and shallow nodes in phylogenetics. In animals the mitochondrial genome is generally composed of a single chromosome, but mystifying exceptions sometimes occur. We determined the complete mitochondrial genome of the millipede-parasitic nematode Ruizia karukerae and found its mitochondrial genome consists of two circular chromosomes, which is highly unusual in bilateral animals. Chromosome I is 7,659 bp and includes six protein-coding genes, two rRNA genes and nine tRNA genes. Chromosome II comprises 7,647 bp, with seven protein-coding genes and 16 tRNA genes. Interestingly, both chromosomes share a 1,010 bp sequence containing duplicate copies of cox2 and three tRNA genes (trnD, trnG and trnH), and the nucleotide sequences between the duplicated homologous gene copies are nearly identical, suggesting a possible recent genesis for this bipartite mitochondrial genome. Given that little is known about the formation, maintenance or evolution of abnormal mitochondrial genome structures, R. karukerae mtDNA may provide an important early glimpse into this process.
format	article
author	Taeho Kim Elizabeth Kern Chungoo Park Steven A. Nadler Yeon Jae Bae Joong-Ki Park
author_facet	Taeho Kim Elizabeth Kern Chungoo Park Steven A. Nadler Yeon Jae Bae Joong-Ki Park
author_sort	Taeho Kim
title	The bipartite mitochondrial genome of Ruizia karukerae (Rhigonematomorpha, Nematoda)
title_short	The bipartite mitochondrial genome of Ruizia karukerae (Rhigonematomorpha, Nematoda)
title_full	The bipartite mitochondrial genome of Ruizia karukerae (Rhigonematomorpha, Nematoda)
title_fullStr	The bipartite mitochondrial genome of Ruizia karukerae (Rhigonematomorpha, Nematoda)
title_full_unstemmed	The bipartite mitochondrial genome of Ruizia karukerae (Rhigonematomorpha, Nematoda)
title_sort	bipartite mitochondrial genome of ruizia karukerae (rhigonematomorpha, nematoda)
publisher	Nature Portfolio
publishDate	2018
url	https://doaj.org/article/5b3b733d808d4d5bbb0d553d9fb0645c
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The bipartite mitochondrial genome of Ruizia karukerae (Rhigonematomorpha, Nematoda)

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