Mitochondrial Genome Analysis of Wild Rice (Oryza minuta) and Its Comparison with Other Related Species

Oryza minuta (Poaceae family) is a tetraploid wild relative of cultivated rice with a BBCC genome. O. minuta has the potential to resist against various pathogenic diseases such as bacterial blight (BB), white backed planthopper (WBPH) and brown plant hopper (BPH). Here, we sequenced and annotated t...

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Bibliographic Details
Published in:PloS one 2016-04, Vol.11 (4), p.e0152937-e0152937
Main Authors: Asaf, Sajjad, Khan, Abdul Latif, Khan, Abdur Rahim, Waqas, Muhammad, Kang, Sang-Mo, Khan, Muhammad Aaqil, Shahzad, Raheem, Seo, Chang-Woo, Shin, Jae-Ho, Lee, In-Jung
Format: Article
Language:English
Subjects:
Bacteria
Biological evolution
Biology and Life Sciences
Blight
Chloroplasts
Comparative analysis
Deoxyribonucleic acid
Divergence
DNA
DNA sequencing
Evolution
Evolution, Molecular
Gene expression
Genes
Genetic aspects
Genome, Mitochondrial
Genome, Plant
Genomes
Genomics
Grain cultivation
Mitochondria
Mitochondrial DNA
Open Reading Frames
Oryza
Oryza - genetics
Oryza sativa indica
Oryza sativa japonica
Phylogenetics
Phylogeny
Physiological aspects
Plant diseases
Poaceae
Research and Analysis Methods
Ribonucleic acid
Rice
RNA
rRNA
Seeds
Species
Species Specificity
Triticum aestivum
tRNA
Varieties
Wild rice
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Summary:Oryza minuta (Poaceae family) is a tetraploid wild relative of cultivated rice with a BBCC genome. O. minuta has the potential to resist against various pathogenic diseases such as bacterial blight (BB), white backed planthopper (WBPH) and brown plant hopper (BPH). Here, we sequenced and annotated the complete mitochondrial genome of O. minuta. The mtDNA genome is 515,022 bp, containing 60 protein coding genes, 31 tRNA genes and two rRNA genes. The mitochondrial genome organization and the gene content at the nucleotide level are highly similar (89%) to that of O. rufipogon. Comparison with other related species revealed that most of the genes with known function are conserved among the Poaceae members. Similarly, O. minuta mt genome shared 24 protein-coding genes, 15 tRNA genes and 1 ribosomal RNA gene with other rice species (indica and japonica). The evolutionary relationship and phylogenetic analysis revealed that O. minuta is more closely related to O. rufipogon than to any other related species. Such studies are essential to understand the evolutionary divergence among species and analyze common gene pools to combat risks in the current scenario of a changing environment.
ISSN:1932-6203
1932-6203
DOI:10.1371/journal.pone.0152937