ArticleJournal of plant research2004
Overexpression of mitochondrial genes is caused by interactions between the nucleus of Brassica rapa and the cytoplasm of Diplotaxis muralis in the leaves of alloplasmic lines of B. rapa.
Article in Journal of plant research, 2004. 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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Who cites it
2 citing papers in PubMed.
- Mitochondrial atp9 genes from petaloid male-sterile and male-fertile carrots differ in their status of heteroplasmy, recombination involvement, post-transcriptional processing as well as accumulation of RNA and protein product.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2014Article
- Analysis of genetic diversity in cytoplasmic male sterility, and association of mitochondrial genes with petaloid-type cytoplasmic male sterility in tuber mustard (Brassica juncea var. tumida Tsen et Lee).Molecular biology reports · 2010Article
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Authors and funding
3 authors.
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Abstract
In Brassica species, alloplasmic lines displaying cytoplasmic male sterility (CMS) are established by combining the nucleus from B. rapa with the cytoplasm from Diplotaxis muralis. The failure to observe restriction fragment length polymorphism (RFLP) patterns of mitochondrial genes ( coxII, coxIII, atpA, atp6, atp9, cob, nad3, nad6, and nad9) between alloplasmic lines of B. rapa and D. muralis indicates that introgression of the B. rapa nucleus into the cytoplasm of D. muralis does not cause any alterations in the structure of the mitochondrial genome. To investigate how the nucleus influences the cytoplasm, we examined the expression of mitochondrial genes in the leaves of euplasmic and alloplasmic lines of B. rapa and D. muralis. We detected higher levels of mitochondrial gene mRNAs in alloplasmic lines of B. rapa than in D. muralis. Patterns of mitochondrial gene transcription also differed among the alloplasmic lines of B. rapa. Thus, expression of mitochondrial genes in alloplasmic lines of B. rapa differed in the leaves compared to D. muralis. Overexpression of mitochondrial genes may be the result of novel interactions between the nucleus and the mitochondria in alloplasmic lines of B. rapa. Further study is necessary to clarify how these phenomena are involved in CMS.
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