2020
DOI: 10.3390/cells9122700
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Differentially Expressed Genes Shared by Two Distinct Cytoplasmic Male Sterility (CMS) Types of Silene vulgaris Suggest the Importance of Oxidative Stress in Pollen Abortion

Abstract: Cytoplasmic male sterility (CMS), encoded by the interacting mitochondrial and nuclear genes, causes pollen abortion or non-viability. CMS is widely used in agriculture and extensively studied in crops. Much less is known about CMS in wild species. We performed a comparative transcriptomic analysis of male sterile and fertile individuals of Silene vulgaris, a model plant for the study of gynodioecy, to reveal the genes responsible for pollen abortion in this species. We used RNA-seq datasets previously employe… Show more

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Cited by 6 publications
(4 citation statements)
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“…ROS are potent cell death signaling molecules of plants in a variety of contexts [74,78], and ROS have been suggested as a unifying component of the diverse plant CMS pathways [16]. The up regulation of oxidative stress induced genes and the down regulation of AOX-encoding genes are associated with the female phenotype in two different CMS systems of Silene vulgaris [79]. In CMS-S maize pollen, the accumulation of cytochrome pathway proteins and declining abundance of AOX coincides with pollen collapse at the BCP stage.…”
Section: Developmentally Regulated Mitochondrial Biogenesis In Maize ...mentioning
confidence: 99%
“…ROS are potent cell death signaling molecules of plants in a variety of contexts [74,78], and ROS have been suggested as a unifying component of the diverse plant CMS pathways [16]. The up regulation of oxidative stress induced genes and the down regulation of AOX-encoding genes are associated with the female phenotype in two different CMS systems of Silene vulgaris [79]. In CMS-S maize pollen, the accumulation of cytochrome pathway proteins and declining abundance of AOX coincides with pollen collapse at the BCP stage.…”
Section: Developmentally Regulated Mitochondrial Biogenesis In Maize ...mentioning
confidence: 99%
“…In this study of mulberry, thirty genes for C2H2 TF showed male-biased expression and seven genes for C2H2 TF exhibited female-biased expression patterns, results that contrasted with most C2H2 family genes being primarily female-biased in A. officinalis ( Li et al, 2017 ). Of the male-biased C2H2 TF genes in this study, the zinc finger proteins ZAT4 and zinc finger proteins ZAT10 were reportedly downregulated in female flower buds compared to hermaphrodites flowers of Silene vulgaris which suggests their relevance for conferring to play important role in male fertility ( Krüger et al, 2020 ). Finally, in A. thaliana , two C2H2 TFs participated in the development of female structures in the carpel (Sagasser et al, 2002; Crawford et al, 2007).…”
Section: Discussionmentioning
confidence: 70%
“…This evaluation resulted in a score of -78578280472.09. Finally, a custom script was used to evaluate the completeness and contiguity of the Trinity assembly as described in [11] . The assembly showed a completeness of 0.915 and contiguity of 0.904.…”
Section: Experimental Design Materials and Methodsmentioning
confidence: 99%