MiR396e-OsGRF7 module controls rice plant architecture (RNA-Seq)
Ontology highlight
ABSTRACT:
PROVIDER: PRJNA432063 | ENA |
REPOSITORIES: ENA
Dataset's files
| Action | DRS | |||
|---|---|---|---|---|
| SRR6638930_1.fastq.gz | Fastqsanger.gz | |||
| SRR6638930_2.fastq.gz | Fastqsanger.gz | |||
| SRR6638921_1.fastq.gz | Fastqsanger.gz | |||
| SRR6638921_2.fastq.gz | Fastqsanger.gz | |||
| SRR6638922_1.fastq.gz | Fastqsanger.gz |
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Project description:miR396e-OsGRF7 module controls rice plant architecture
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Project description:miR396e-OsGRF7 module controls rice plant architecture (ChIP-Seq)
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Project description:Plant-specific growth-regulating factors (GRFs) participate in multiple central developmental processes including root and leaf development, flower and seed formation, plant senescence, and tolerance to stress. While the role of the miRNA-GRFs regulatory module in determining gross morphology, which is one of the most important agronomic traits for crops, have not been comprehensively unraveled yet. Here, we reported that OsGRF7, a target of miR396e and co-activated with OsGIFs, is essential for determining plant architecture in rice. Overexpression of OsGRF7 leads to decreased tiller number, leaf length and leaf angle, reduced plant height and increased grain size, which are mediated by shortened cell length and disordered cell arrangement. Further analyses indicate that OsGRF7 binds the ACRGDA motif in promoters of OsNSP2, OsGASR1 and OsCYP714B1, OsCga1 and OsARF12, which are involved in the synthesis of strigolactones, gibberellins and cytokinins or related to auxin signaling pathway. Our findings establish OsGRF7 as a crucial component in the miR396-OsGRFs/OsGIFs-plant hormone regulatory network that controls rice growth and plant architecture.This dataset records the differential expressed genes between GRF7OE and WT plants.
2020-04-19 | GSE109801 | GEO
Project description:Plant-specific growth-regulating factors (GRFs) participate in multiple central developmental processes including root and leaf development, flower and seed formation, plant senescence, and tolerance to stress. While the role of the miRNA-GRFs regulatory module in determining gross morphology, which is one of the most important agronomic traits for crops, have not been comprehensively unraveled yet. Here, we reported that OsGRF7, a target of miR396e and co-activated with OsGIFs, is essential for determining plant architecture in rice. Overexpression of OsGRF7 leads to decreased tiller number, leaf length and leaf angle, reduced plant height and increased grain size, which are mediated by shortened cell length and disordered cell arrangement. Further analyses indicate that OsGRF7 binds the ACRGDA motif in promoters of OsNSP2, OsGASR1 and OsCYP714B1, OsCga1 and OsARF12, which are involved in the synthesis of strigolactones, gibberellins and cytokinins or related to auxin signaling pathway. Our findings establish OsGRF7 as a crucial component in the miR396-OsGRFs/OsGIFs-plant hormone regulatory network that controls rice growth and plant architecture.This dataset records the profile of the binding peaks of OsGRF7 with GFP antibody in 35S:GRF7-GFP overexpression lines.
2020-04-19 | GSE109800 | GEO
Project description:Developing strategies to increase rice productivity to meet global demand is one of the main challenges for breeders around the world. Here, we report a novel microRNA mediated process that increases rice grain yield in field trials. Expression of target mimicry of microRNA396 (MIM396) significantly increases rice yield by modulating the development of the auxiliary branches and spikelets through promoting the expression of Growth Regulation Factor 6 (OsGRF6). OsGRF6 coordinately induces the expression of several key factors involved in branch and spikelet development, auxin (IAA) biosynthesis, and auxin signaling pathway. Our results demonstrate that the miR396b-GRF6 module acts as a key player in shaping the inflorescence architecture of rice, which could be engineered to generate high-yield rice. This dataset records the profile of the binding peaks of OsGRF6 with GFP antibody in 35S:GRF6-GFP overexpression lines and the differential expressed genes between MIM396 and WT plants. Examination of OsGRF6 regulated genes.
2016-05-13 | E-GEOD-72694 | biostudies-arrayexpress
Project description:Developing strategies to increase rice productivity to meet global demand is one of the main challenges for breeders around the world. Here, we report a novel microRNA mediated process that increases rice grain yield in field trials. Expression of target mimicry of microRNA396 (MIM396) significantly increases rice yield by modulating the development of the auxiliary branches and spikelets through promoting the expression of Growth Regulation Factor 6 (OsGRF6). OsGRF6 coordinately induces the expression of several key factors involved in branch and spikelet development, auxin (IAA) biosynthesis, and auxin signaling pathway. Our results demonstrate that the miR396b-GRF6 module acts as a key player in shaping the inflorescence architecture of rice, which could be engineered to generate high-yield rice. This dataset records the profile of the binding peaks of OsGRF6 with GFP antibody in 35S:GRF6-GFP overexpression lines and the differential expressed genes between MIM396 and WT plants.
2016-05-13 | GSE72694 | GEO
Project description:Improving the yield by modifying plant architecture is key to progressive crop domestication. Here, we show that a 110-kb deletion on the short arm of chromosome 7 promotes the critical transition from semi-prostrate growth and low yield in wild rice (Oryza rufipogon), to erect growth and high yield in Asian cultivated rice (O. sativa). The microdeletion harbors a tandem repeat of seven putative Cys2-His2 zinc-finger genes. Three of these genes regulate the plant architecture in O. rufipogon and are closely linked to the previously identified PROSTRATE GROWTH 1 (PROG1) gene. Therefore, we refer to this locus as RICE PLANT ARCHITECTURE DOMESTICATION (RPAD). Furthermore, a similar but independent 113-kb deletion was detected at the RPAD locus in African cultivated rice. These results indicate that the deletions, coupled with the loss of a tandem repeat of zinc-finger genes, drove the parallel domestication of plant architecture in Asian and African rice.
2018-07-04 | GSE116423 | GEO
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2020-04-19 | GSE109802 | GEO
Project description:A regulatory module controls plant growth and stress response by modulating hormone level
| PRJNA472158 | ENA
Project description:miR396 is a key growth regulator in plants, however, the molecular mechanisms underlying its functions remained to be revealed. Here, through systematically gene-editing, we found that among the MIR396 family genes, MIR396e and -f were the main regulators of rice growth. mir396ef mutations could increase the grain yield through significantly enlarging the grain size. In addition, mir396ef mutations promoted the seedling growth and modulated the plant architecture by promoting the elongations of leaves (including leaf blades and sheaths) and panicles but suppressing the elongation of internodes, especially the uppermost internode. Our research reveals that mir396ef mutations promote the growth and organ elongation by significantly increasing the level of the gibberellin (GA) precursor, mevalonic acid (MVA), which subsequently activates the GA pathway. Our results also indicate that miR396 regulates the internode elongation through a different mechanism (probably through controlling SD37 expression) from the GA pathway. These results reveal two pathways by which miR396 regulates rice growth and provide valuable gene-editing targets to increase rice productivity.
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