ArticleTAG. Theoretical and applied genetics. Theoretische und angewandte Genetik2005
Structural and distributional variation of mitochondrial rps2 genes in the tribe Triticeae (Poaceae).
Article in TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik, 2005. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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2 citing papers in PubMed, 10 citations in OpenAlex.
- Genetic variation among einkorn genotypes based on gene targeted functional markers and its possible relationship with drought tolerance at seed germination stage.Molecular biology reports · 2022Article
- Mitochondrial genome sequences from wild and cultivated barley (Hordeum vulgare).BMC genomics · 2016Article
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5 authors at 2 institutions in 2 countries.
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Abstract
The mitochondrial rps2 gene from barley, like that of rice, wheat, and maize, has an extended open reading frame (ORF) at the 3'-region when compared to that from lower plants. However, the extended portions are variable among these cereals. Since barley and wheat belong to the same tribe (Triticeae), it would be interesting to know when and where the two types of rps2 were generated during evolution. To determine this, we utilized the mitochondrial (mt) DNA sequence to examine variations of the rps2 genes in the tribe Triticeae. By means of the variable 3'-region, the distribution of barley (B)-type and wheat (W)-type rps2 sequences was studied in 19 genera of the tribe. The B-type sequence was identified in 10 of the 19 genera, whereas the W-type sequence was present in all 19 genera. Thus, ten of the examined genera have both types of rps2 sequences due to the presence of two copies of the gene. The W-type sequence was also present in the tribe Bromeae and the B-type sequence was also found in Aveneae and Poeae. Phylogenetic trees based on the B-type and W-type sequences were different from those based on other molecular data. This suggests that the mitochondrial genome in Triticeae has a unique evolutionary history.
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