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Cited by 353

The DOI matches its Crossref record; 45 of the 45 references it cites were found in a registry or an index.

Sequence and Comparative Analysis of the Maize NB Mitochondrial Genome

Open access
Clifton, Sandra W., Minx, Patrick, Fauron, Christiane M.-R., Gibson, Michael, Allen, James O., Sun, Hui, Thompson, Melissa, Barbazuk, W. Brad, Kanuganti, Suman, Tayloe, Catherine, Meyer, Louis, Wilson, Richard K., Newton, Kathleen J.·2004·Plant Physiology

Abstract

The NB mitochondrial genome found in most fertile varieties of commercial maize (Zea mays subsp. mays) was sequenced. The 569,630-bp genome maps as a circle containing 58 identified genes encoding 33 known proteins, 3 ribosomal RNAs, and 21 tRNAs that recognize 14 amino acids. Among the 22 group II introns identified, 7 are trans-spliced. There are 121 open reading frames (ORFs) of at least 300 bp, only 3 of which exist in the mitochondrial genome of rice (Oryza sativa). In total, the identified mitochondrial genes, pseudogenes, ORFs, and cis-spliced introns extend over 127,555 bp (22.39%) of the genome. Integrated plastid DNA accounts for an additional 25,281 bp (4.44%) of the mitochondrial DNA, and phylogenetic analyses raise the possibility that copy correction with DNA from the plastid is an ongoing process. Although the genome contains six pairs of large repeats that cover 17.35% of the genome, small repeats (20–500 bp) account for only 5.59%, and transposable element sequences are extremely rare. MultiPip alignments show that maize mitochondrial DNA has little sequence similarity with other plant mitochondrial genomes, including that of rice, outside of the known functional genes. After eliminating genes, introns, ORFs, and plastid-derived DNA, nearly three-fourths of the maize NB mitochondrial genome is still of unknown origin and function.

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Crossref · 10.1104/pp.104.044602

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Metadata

Authors
Clifton, S. W., Minx, P., Fauron, C. M.-R., Gibson, M., Allen, J. O., Sun, H., Thompson, M., Barbazuk, W. B., Kanuganti, S., Tayloe, C., Meyer, L., Wilson, R. K., & Newton, K. J.
Venue
Plant Physiology
Published
2004-11-01
Volume
136
Issue
3
Pages
3486-3503
ISSN
  • 0032-0889 (ISSN-L)
  • 1532-2548
OpenAlex
W2155015138
Cited by
353
References
45
FWCI
16.49
Type
journal article
Language
en
Open access
green

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