ArticlePlant molecular biology1999
Unusual inheritance of evolutionarily-related double-stranded RNAs in interspecific hybrid between rice plants Oryza sativa and Oryza rufipogon.
Article in Plant molecular biology, 1999. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
8 citing papers in PubMed, 41 citations in OpenAlex.
- Snake River alfalfa virus, a persistent virus infecting alfalfa (Medicago sativa L.) in Washington State, USA.Virology journal · 2023Article
- Genome Characterization and Phylogenetic Analysis of a Novel Endornavirus That Infects Fungal PathogenViruses · 2022Article
- Two Novel Endornaviruses Co-infecting aFrontiers in microbiology · 2021Article
- Endornaviruses: persistent dsRNA viruses with symbiotic properties in diverse eukaryotes.Virus genes · 2019Review
- Article
- Complete nucleotide sequence and genome organization of an endornavirus from bottle gourd (Lagenaria siceraria) in California, U.S.A.Virus genes · 2014Article
- Complete genome sequence of a double-stranded RNA virus from avocado.Journal of virology · 2012Article
- Putative replication intermediates in endornavirus, a novel genus of plant dsRNA viruses.Virus genes · 2004Article
Corrections and comments
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Authors and funding
4 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Endogenous, 14 kb double-stranded RNAs (dsRNAs) have been found in two ecospecies of cultivated rice (temperate japonica rice and tropical japonica rice, Oryza sativa L.) and in wild rice (O. rufipogon, an ancestor of O. sativa). A comparison of the nucleotide and deduced amino acid sequences of the core regions of the RNA-dependent RNA polymerase domains found in these three dsRNAs suggested that these dsRNAs probably evolved independently within each host plant from a common ancestor. These dsRNAs were introduced into F1 hybrids by crossing cultivated rice and wild rice. Unusual cytoplasmic inheritance of these dsRNAs was observed in some F1 hybrids; the evolutionarily related dsRNAs were incompatible for each other, and the resident dsRNA of an egg cell from cultivated rice was excluded by the incoming dsRNA of a pollen cell from wild rice. Coexisting dsRNAs in the F1 hybrids segregated away from each other in the F2 plants. However, the total amount of these dsRNAs in the host cells remained constant (ca. 100 copies/cell). The stringent regulation of the dsRNA copy number may be responsible for their unusual inheritance.
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