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Genome-wide gene expression patterns in dikaryon of the basidiomycete fungus Pleurotus ostreatus BJM
Liu,Tianxiang; Li,Huiru; Ding,Yatong; Qi,Yuancheng; Gao,Yuqian; Song,Andong; Shen,Jinwen; Qiu,Liyou.
Abstract Dikarya is a subkingdom of fungi that includes Ascomycota and Basidiomycota. The gene expression patterns of dikaryon are poorly understood. In this study, we bred a dikaryon DK13 × 3 by mating monokaryons MK13 and MK3, which were from the basidiospores of Pleurotus ostreatus TD300. Using RNA-Seq, we obtained the transcriptomes of the three strains. We found that the total transcript numbers in the transcriptomes of the three strains were all more than ten thousand, and the expression profile in DK13 × 3 was more similar to MK13 than MK3. However, the genes involved in macromolecule utilization, cellular material synthesis, stress-resistance and signal transduction were much more up-regulated in the dikaryon than its constituent monokaryons. All...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Differential gene expression; Monoallelic expression; Monokaryon; RNA editing; RNA-Seq.
Ano: 2017 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1517-83822017000200380
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RNA editing in plant mitochondria, cytoplasmic male sterility and plant breeding. Electron. J. Biotechnol.
Araya,Alexandre; Zabaleta,Eduardo; Blanc,Valérie; Bégu,Dominique; Hernould,Michel; Mouras,Armand; Litvak,Simon.
RNA editing in plant mitochondria is a post-transcriptional process involving the partial change of C residues into U. These C to U changes lead to the synthesis of proteins with an amino acid sequence different to that predicted from the gene. Proteins produced from edited mRNAs are more similar to those from organisms where this process is absent. This biochemical process involves cytidine deamination. The cytoplasmic male sterility (CMS) phenotype generated by the incompatibility between the nuclear and the mitochondrial genomes is an important agronomical trait which prevents inbreeding and favors hybrid production. The hypothesis that RNA editing leads to functional proteins has been proposed. This hypothesis was tested by constructing transgenic...
Tipo: Journal article Palavras-chave: Plant mitochondria; RNA editing; Cytidine deamination; Cytoplasmic male sterility (CMS; Fertility restoration.
Ano: 1998 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-34581998000100004
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Salt stress affects mRNA editing in soybean chloroplasts Genet. Mol. Biol.
Rodrigues,Nureyev F.; Fonseca,Guilherme C. da; Kulcheski,Franceli R.; Margis,Rogério.
Abstract Soybean, a crop known by its economic and nutritional importance, has been the subject of several studies that assess the impact and the effective plant responses to abiotic stresses. Salt stress is one of the main environmental stresses and negatively impacts crop growth and yield. In this work, the RNA editing process in the chloroplast of soybean plants was evaluated in response to a salt stress. Bioinformatics approach using sRNA and mRNA libraries were employed to detect specific sites showing differences in editing efficiency. RT-qPCR was used to measure editing efficiency at selected sites. We observed that transcripts of NDHA, NDHB, RPS14 and RPS16 genes presented differences in coverage and editing rates between control and salt-treated...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Small RNA; Chloroplast; RNA editing; PPR; Salt stress.
Ano: 2017 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1415-47572017000200200
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The central role of RNA in the genetic programming of complex organisms Anais da ABC (AABC)
Mattick,John S..
Notwithstanding lineage-specific variations, the number and type of protein-coding genes remain relatively static across the animal kingdom. By contrast there has been a massive expansion in the extent of genomic non-proteincoding sequences with increasing developmental complexity. These non-coding sequences are, in fact, transcribed in a regulated manner to produce large numbers of large and small non-protein-coding RNAs that control gene expression at many levels including chromatin architecture, post-transcriptional processing and translation. Moreover, many RNAs are edited, especially in the nervous system, which may be the basis of epigenome-environment interactions and the function of the brain.
Tipo: Info:eu-repo/semantics/article Palavras-chave: Development; Noncoding RNA; Epigenome; Gene regulation; RNA editing; Brain.
Ano: 2010 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0001-37652010000400016
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