Source:http://linkedlifedata.com/resource/pubmed/id/10447596
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| Predicate | Object |
|---|---|
| rdf:type | |
| lifeskim:mentions | |
| pubmed:issue |
1-2
|
| pubmed:dateCreated |
1999-11-22
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| pubmed:abstractText |
RNA editing and cytoplasmic male sterility are two important phenomena associated with higher plant mitochondria. We recently have shown a potential function of RNA editing in CMS development. The frequency of atp6 RNA editing was specifically reduced in anthers of male-sterile Sorghum bicolor, which increased in frequency in partially restored progeny. Here we present data that show that the loss of RNA editing capability also occurs in a second nuclear background that allows the expression of male sterility. Loss of RNA editing thus appears to be associated with unique combinations of male-sterile cytoplasm and non-restoring nuclear backgrounds. In addition, the reduction of RNA editing affects both gametophytic and sporophytic anther cell-types but not other floral tissues. An analysis of F(2) plants exhibiting different levels of fertility indicates a co-segregation of fertility restoration and atp6 RNA editing. The atp6 transcript abundance is similar in seedlings and anthers of male-sterile, partially restored, and male-fertile lines and thus is not associated with loss of atp6 RNA editing in anthers. A model for RNA editing and male sterility based on the data available is presented. Functional correlations with other CMS systems are also discussed.
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| pubmed:language |
eng
|
| pubmed:journal | |
| pubmed:citationSubset |
IM
|
| pubmed:chemical |
http://linkedlifedata.com/resource/pubmed/chemical/Plant Proteins,
http://linkedlifedata.com/resource/pubmed/chemical/Proton-Translocating ATPases,
http://linkedlifedata.com/resource/pubmed/chemical/RNA,
http://linkedlifedata.com/resource/pubmed/chemical/RNA, Plant,
http://linkedlifedata.com/resource/pubmed/chemical/RNA, mitochondrial
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| pubmed:status |
MEDLINE
|
| pubmed:month |
Aug
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| pubmed:issn |
0172-8083
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| pubmed:author | |
| pubmed:issnType |
Print
|
| pubmed:volume |
36
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| pubmed:owner |
NLM
|
| pubmed:authorsComplete |
Y
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| pubmed:pagination |
62-8
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| pubmed:dateRevised |
2009-11-19
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| pubmed:meshHeading |
pubmed-meshheading:10447596-Angiosperms,
pubmed-meshheading:10447596-Cell Nucleus,
pubmed-meshheading:10447596-Crosses, Genetic,
pubmed-meshheading:10447596-Cytoplasm,
pubmed-meshheading:10447596-Diploidy,
pubmed-meshheading:10447596-Fertility,
pubmed-meshheading:10447596-Gene Expression Regulation, Plant,
pubmed-meshheading:10447596-Genes, Plant,
pubmed-meshheading:10447596-Haploidy,
pubmed-meshheading:10447596-Models, Genetic,
pubmed-meshheading:10447596-Organ Specificity,
pubmed-meshheading:10447596-Plant Proteins,
pubmed-meshheading:10447596-Plant Structures,
pubmed-meshheading:10447596-Pollen,
pubmed-meshheading:10447596-Proton-Translocating ATPases,
pubmed-meshheading:10447596-RNA,
pubmed-meshheading:10447596-RNA, Plant,
pubmed-meshheading:10447596-RNA Editing,
pubmed-meshheading:10447596-Sequence Analysis, DNA,
pubmed-meshheading:10447596-Transcription, Genetic
|
| pubmed:year |
1999
|
| pubmed:articleTitle |
Nuclear genes from Tx CMS maintainer lines are unable to maintain atp6 RNA editing in any anther cell-type in the sorghum bicolor A3 cytoplasm.
|
| pubmed:affiliation |
Lehrstuhl für Allgemeine und Molekulare Botanik, Ruhr-Universität Bochum, D-44780 Bochum, Germany.
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| pubmed:publicationType |
Journal Article,
Research Support, U.S. Gov't, Non-P.H.S.,
Research Support, Non-U.S. Gov't
|