Nucleo-cytoplasmic interactions affect RNA editing of cox2, atp6 and atp9 in alloplasmic male-sterile rice (Oryza sativa L.) lines

Hu, Jihong; Rong, Yi; Zhang, Hongyuan; Ding, Yi

doi:10.1016/j.mito.2013.01.011

Cited by 19 publications

(12 citation statements)

References 35 publications

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“…According to the phenotypes of the abortive pollens, the rice CMS system is generally categorized into sporophytic and gametophytic types. Sporophytic male sterility occurs relatively earlier during microspore development, mainly at the uninuleate stage, while gametophytic CMS lines abort at the dinucleate or mature pollen stages [ 12 , 16 ]. In this study, three sporophytic CMS lines, DA-CMS, WA-CMS and D-CMS, were chosen to compare the phenotypes of the male reproductive tissues to conduct transcriptomic studies.…”

Section: Resultsmentioning

confidence: 99%

“…Cytological studies of the CMS line MA (ZD-CMS) indicated that the pollens were aborted at the uninucleate microspore stage [ 11 – 13 ]. The CMS line Meixiang A (MA) was derived from the ZD-CMS system by successive backcrossing, and its corresponding maintainer line was Meixiang B (MB) [ 12 , 14 ]. Previous studies reported that different RNA editing patterns of atp 9 between MA and MB led to an arginine codon to a termination codon in MB, and the RNA editing events of cox 2, atp 6 and atp 9 were affected by nucleo-cytoplasmic interactions [ 14 , 15 ].…”

Section: Introductionmentioning

confidence: 99%

“…Previous studies reported that different RNA editing patterns of atp 9 between MA and MB led to an arginine codon to a termination codon in MB, and the RNA editing events of cox 2, atp 6 and atp 9 were affected by nucleo-cytoplasmic interactions [ 14 , 15 ]. Quantitative proteomics of MA and MB at uninucleate microspore stage by iTRAQ-based approach showed that the proteins for the stress response and carbohydrate metabolism were down-regulated in MA [ 12 ].…”

Section: Introductionmentioning

confidence: 99%

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Comparative transcript profiling of alloplasmic male-sterile lines revealed altered gene expression related to pollen development in rice (Oryza sativa L.)

Chen

Zhang

et al. 2016

BMC Plant Biol

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BackgroundCytoplasmic male sterility (CMS) is an ideal model for investigating the mitochondrial-nuclear interaction and down-regulated genes in CMS lines which might be the candidate genes for pollen development in rice. In this study, a set of rice alloplasmic sporophytic CMS lines was obtained by successive backcrossing of Meixiang B, with three different cytoplasmic types: D62A (D type), ZS97A (WA type) and XQZ-A (DA type).ResultsUsing microarray, the anther transcript profiles of the three indica rice CMS lines revealed 622 differentially expressed genes (DEGs) in each of the three CMS lines compared with the maintainer line Meixiang B. GO and MapMan analysis indicated that these DEGs were mainly involved in lipid metabolism and cell wall organization. Compared with the gene expression of sporophytic and gametophytic CMS lines, 303 DEGs were identified and 56 of them were down-regulated in all the CMS lines of rice. These down-regulated DEGs in the CMS lines were found to be involved in tapetum or cell wall formation and their suppressed expression might be related to male sterility. Weighted gene co-expression network analysis (WGCNA) revealed that two modules were significantly associated with male sterility and many hub genes that were differentially expressed in the CMS lines.ConclusionA large set of putative genes involved in anther development was identified in the present study. The results will give some information for the nuclear gene regulation by different cytoplasmic genotypes and provide a rich resource for further functional research on the pollen development in rice.Electronic supplementary materialThe online version of this article (doi:10.1186/s12870-016-0864-7) contains supplementary material, which is available to authorized users.

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Section: Resultsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Comparative transcript profiling of alloplasmic male-sterile lines revealed altered gene expression related to pollen development in rice (Oryza sativa L.)

Chen

Zhang

et al. 2016

BMC Plant Biol

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“…However, in this study, we found 23 RNA editing sites with an editing efficiency greater than 5% in the Taxus rps3 gene. This may have occurred because only a partial gene without an RNA editing site was chosen in the previous RT-PCR experiment or because of a difference in the number of edited sites between organs [74,75], as needles were used in the previous study but seeds were used in this study.…”

Section: Separate Losses Of Multiple Mitochondrial Trna Genes In Pinamentioning

confidence: 99%

The complete mitochondrial genome of Taxus cuspidata (Taxaceae): eight protein-coding genes have transferred to the nuclear genome

et al. 2020

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Background: Gymnosperms represent five of the six lineages of seed plants. However, most sequenced plant mitochondrial genomes (mitogenomes) have been generated for angiosperms, whereas mitogenomic sequences have been generated for only six gymnosperms. In particular, complete mitogenomes are available for all major seed plant lineages except Conifer II (non-Pinaceae conifers or Cupressophyta), an important lineage including six families, which impedes a comprehensive understanding of the mitogenomic diversity and evolution in gymnosperms. Results: Here, we report the complete mitogenome of Taxus cuspidata in Conifer II. In comparison with previously released gymnosperm mitogenomes, we found that the mitogenomes of Taxus and Welwitschia have lost many genes individually, whereas all genes were identified in the mitogenomes of Cycas, Ginkgo and Pinaceae. Multiple tRNA genes and introns also have been lost in some lineages of gymnosperms, similar to the pattern observed in angiosperms. In general, gene clusters could be less conserved in gymnosperms than in angiosperms. Moreover, fewer RNA editing sites were identified in the Taxus and Welwitschia mitogenomes than in other mitogenomes, which could be correlated with fewer introns and frequent gene losses in these two species. Conclusions: We have sequenced the Taxus cuspidata mitogenome, and compared it with mitogenomes from the other four gymnosperm lineages. The results revealed the diversity in size, structure, gene and intron contents, foreign sequences, and mutation rates of gymnosperm mitogenomes, which are different from angiosperm mitogenomes.

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“…Often, essential mtDNA genes involved in the electron transport chain are affected in these genomic disruptions. For instance, altered atp6 structure is implicated in CMS maize (DEWEY et al 1991), rice (IWABUCHI et al 1993;HU et al 2013), and Brassica sp. (WANG et al 1995;GEDDY et al 2005;JING et al 2012).…”

Section: Cms and Ncs Mutantsmentioning

confidence: 99%

The role of mitochondria in plant development and stress tolerance

Liberatore

Dukowic-Schulze

Miller

et al. 2016

Free Radical Biology and Medicine

119

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Eukaryotic cells require orchestrated communication between nuclear and organellar genomes, perturbations in which are linked to stress response and disease in both animals and plants. In addition to mitochondria, which are found across eukaryotes, plant cells contain a second organelle, the plastid. Signaling both among the organelles (cytoplasmic) and between the cytoplasm and the nucleus (i.e. nuclear-cytoplasmic interactions (NCI)) is essential for proper cellular function. A deeper understanding of NCI and its impact on development, stress response, and long-term health is needed in both animal and plant systems. Here we focus on the role of plant mitochondria in development and stress response. We compare and contrast features of plant and animal mitochondrial genomes (mtDNA), particularly highlighting the large and highly dynamic nature of plant mtDNA. Plant-based tools are powerful, yet underutilized, resources for enhancing our fundamental understanding of NCI. These tools also have great potential for improving crop production. Across taxa, mitochondria are most abundant in cells that have high energy or nutrient demands as well as at key developmental time points. Although plant mitochondria act as integrators of signals involved in both development and stress response pathways, little is known about plant mtDNA diversity and its impact on these processes. In humans, there are strong correlations between particular mitotypes (and mtDNA mutations) and developmental differences (or disease). We propose that future work in plants should focus on defining mitotypes more carefully and investigating their functional implications as well as improving techniques to facilitate this research.

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Nucleo-cytoplasmic interactions affect RNA editing of cox2, atp6 and atp9 in alloplasmic male-sterile rice (Oryza sativa L.) lines

Cited by 19 publications

References 35 publications

Comparative transcript profiling of alloplasmic male-sterile lines revealed altered gene expression related to pollen development in rice (Oryza sativa L.)

Comparative transcript profiling of alloplasmic male-sterile lines revealed altered gene expression related to pollen development in rice (Oryza sativa L.)

The complete mitochondrial genome of Taxus cuspidata (Taxaceae): eight protein-coding genes have transferred to the nuclear genome

The role of mitochondria in plant development and stress tolerance

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