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Comparative Transcriptomes Profiling of Photoperiod-sensitive Male Sterile Rice Nongken 58S between Short Day and Long Day Condition

ABSTRACT: Nongken 58S is photoperiod-sensitive genic male sterile (PGMS) rice. Its pollens are fully sterile when it is treated with LD condition from glume primordium differentiation stage to pistil/stamen primordium forming stage, and its pollens are fertile when treated with SD condition during these stages. We used microarrays to detail the global programme of leaf gene expression under LD and SD condition for investigating the transcriptomes in the male sterility transition in PGMS rice to find out the genes related to this transition

ORGANISM(S): Oryza sativa

PROVIDER: GSE29820 | GEO | 2012/07/30

SECONDARY ACCESSION(S): PRJNA140943

REPOSITORIES: GEO

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Comparative Transcriptomes Profiling of Photoperiod-sensitive Male Sterile Rice Nongken 58S between Short Day and Long Day Condition

Project description:Nongken 58S is photoperiod-sensitive genic male sterile (PGMS) rice. Its pollens are fully sterile when it is treated with LD condition from glume primordium differentiation stage to pistil/stamen primordium forming stage, and its pollens are fertile when treated with SD condition during these stages. We used microarrays to detail the global programme of leaf gene expression under LD and SD condition for investigating the transcriptomes in the male sterility transition in PGMS rice to find out the genes related to this transition We compared the transcriptomes of Nongken 58S under shortday (SD) and longday (LD) at the glume primordium differentiation stage and pistil/stamen primordium forming stage, respectively. 12 samples were analyzed, and each treatment had biological triplicates. Supplementary files: SD vs LD during the glume primordium differentiation stage and the pistil/stamen primordium forming stage.

2012-07-29 | E-GEOD-29820 | biostudies-arrayexpress

Transcriptome profiling reveals the regulatory role of CSA-mediated photoperiod-dependent male fertility

Project description:The discovery of photoperiod-sensitive male genic sterile (PGMS) lines started the development of two-line hybrid rice, which is critical to sustain production of high-yielding hybrid rice varieties. Previous reports about the PGMS lines are mainly focused on the gene cloning and their function description. The mechanisms by which PGMS lines perceive changes in photoperiod and transmit those signals to elicit downstream effects is rarely mentioned. In this work, we described the effects of photoperiod on gene expression in wild type (WT) and csa, a PGMS line, flag leaves and anthers to identify putative central factors that transduce photoperiod signals via CSA in both leaves and anthers. We also dissect the potential mechanisms that: cause csa-induced sterility under SD conditions; partially restore fertility in csa anthers under LD conditions; and finally, are responsible to restore full WT fertility under LD and SD conditions. These results provide an overview how the PGMS rice perceives and transmits photoperiod changes, and how the CSA and its homologs response to the environmental cues by regulating down-stream gene expression. That will be helpful to understand the photoperiod-sensitive mechanism and identify new photoperiod-sensitive genes.

2021-03-30 | GSE171078 | GEO

Comparison of transcriptome profile between wild-type and dao mutant plants

2012-09-25 | GSE41097 | GEO

Microarray comparative analysis of wild-type and hd1-3 mutant rice

Project description:Heading date1(Hd1) is a critical regulator controlling rice flowering time, which promotes flowering under short-day (SD) conditions and represses flowering under long-day (LD) conditions. In our previous study (Luan et al., 2009), we identified a rice mutant, hd1-3, in which the Hd1 gene was deficient due to several insertions/deletions in the coding region. To search for downstream genes regulated by Hd1, we performed microarray analysis of hd1-3 mutant and the wild-type Zhonghua11 under both SD and LD conditions. According to the microarray results, SDG712 gene was significantly downregulated in the hd1-3 mutant, indicating that SDG712 gene may acts downstream of Hd1, and may functions in rice flowering time regulation.

2021-02-04 | GSE166053 | GEO

The Evening Complex integrates photoperiod signals to control flowering in rice [RNA-Seq]

Project description:This study aim to understand how the long and short day flowering pathways are integrated and the mechanism of photoperiod perception in rice. Trascriptome at different time points under LD and SD conditions reveal that photoperiodism in rice is controlled by the evening complex. Mutants in LUX ARRYTHMO (LUX) and EARLY FLOWERING3 (ELF3) orthologs abolish flowering. We show that light causes a rapid and sustained degradation of ELF3-1, and this response is dependent on phyB. ChIP-seq of ELF3 and LUX reveal that EC controls both LD and SD flowering pathways by directly binding and suppressing the expression of key floral repressors, including PRR7 orthologs and Ghd7.

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The Evening Complex integrates photoperiod signals to control flowering in rice [ChIP-Seq]

2022-05-24 | GSE181831 | GEO

High-throughput Sequencing of Small RNAs from Pollen and Silk and Characterization of miRNAs Involved in Pollen-Silk Interactions in Maize

Project description:In this study, we sequenced four small RNA libraries derived from mature pollens, in vitro germinated pollens, mature silks and pollinated silks of maize, respectively. In total, 161 known miRNAs belonging to 27 families and 82 novel miRNAs were identified. Of them, miRNAs involved in pollen-silk (pistil) interactions were analyzed. On the male side, miRNA differentially expressed between mature and germinated pollen were identified, some of them participate in pollen germination and tube growth. On the female side, silk-expressed miRNAs respond to pollination were also responsive to stresses, especially drought and fungal invasion. Furthermore, GO analysis of target genes revealed that members related to anxin signal transduction and gene expressional regulation were overrepresented.The results indicated that during pollen-silk interactions, miRNAs-mediated auxin signal transduction plays important roles, and miRNAs took part in complex transcriptional regulating network. Examination of 4 different tissues of maize to provide novel information for understanding the post-transcriptional regulations of pollen-pistil interactions

2013-03-02 | E-GEOD-44787 | biostudies-arrayexpress

transition-Transcriptome of floral transition

Project description:ngs2015_01_transition-transition-Identification of transcripts and long non-coding transcripts in wild-type mature rosette leaves of Arabidopsis thaliana during a photoperiodic switch inducing floral transition.-Arabidopsis thaliana Col-0 plants were grown in soil, in growth chamber under white fluorescent light, under short-day (8 hours light/16 hours dark, SD) or long-day (16 hours light/8 hours dark, LD) conditions. Temperature in SD was 21°C during the light period and 18°C during the dark, humidity (65%) remained constant. In LD, temperature (21°C) and humidity (70%) remained constant. Plants were cultured for 4 weeks in individual pot, in SD then transferred in LD. Plants were analysed at different time points before transfer (T0) and after two, three and five days of transfer (T2, T3, T5). The second pair of leaves was collected before dusk, at Zeitgeber time 15 (ZT15) considering ZT 0 the switched on of the light. Three biological replicates were performed. The floral transition occurs between T0 and T5 based on AP1:GUS marker, a inflorescence meristem is not yet visible during this developmental window at the center of the rosette.

2019-04-17 | GSE116123 | GEO

Comparison of transcriptome profile between wild-type and dao mutant plants

Project description:We identified and characterized that the rice Dioxygenase for Auxin Oxidation (dao) mutant displays pleiotropic phenotypes, including indehiscent anthers, sterile pollens, and increased free IAA levels in anthers.We conclude that DAO-mediated auxin catabolism is essential for auxin homeostasis and later stages of plant reproductive development, including anther dehiscence, and pollen viability. We used microarrays to identify differentially expressed genes in dao. For genome-wide expression analysis of dao, three replicates of WT and dao samples (RNA from mature anthers) were analyzed on Affymetrix Genechip® Rice Genome arrays by an Affymetrix service facility (CapitalBio Corporation) according to the manufacturer’s protocols. Genes showing a 2-fold change with a q-value ≤ 0.05 were considered to be differentially expressed.

2012-09-25 | E-GEOD-41097 | biostudies-arrayexpress

Studies of a rice sterile mutant sstl

Project description:We report a mutant that has defective pollens and abnormal anthers from its semi-sterile mutant (sstl) progeny segregates. Comparative transcriptomics analysis illustrates the mechanism of male sterility.

2019-04-15 | GSE129579 | GEO

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