Differentially expressed genes between WT and AtC3H3 OX, and WT and AtC3H26 OX
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PROVIDER: PRJNA1153388 | ENA |
REPOSITORIES: ENA
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Project description:Differentially expressed genes between WT and HRE1α OX, WT and HRE1β OX, and WT and AtRH17 OX
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Project description:We characterized the biological and molecular functions of AtC3H17, a unique Arabidopsis gene encoding a non-tandem CCCH zinc finger protein, in plant development. To investigate the downstream regulatory mechanisms of AtC3H17, whole genome microarray expression profiling was carried out. The experiment was designed to identify differentially expressed genes between WT and AtC3H17-overexpressing transgenic plants (AtC3H17 OXs) grown for 14 days under SD growth conditions. Interestingly, the most up-regulated genes were 12S seed storage globulin genes, CRUCIFERIN A (CRA1) and CRUCIFERIN 3 (CRU3), and seed oil-body protein genes such as OLEOSIN 1 (OLEO1) and OLEO2 in AtC3H17 OXs compared with WT. We performed quantitative RT-PCR and confirmed that transcription levels of CRU3, OLEO1, OLEO2, and 2S seed storage albumin 1 (At2S1) were higher in AtC3H17 OX seedlings than in WT seedlings. Differentially expressed genes between WT and AtC3H17 OX at 14 days after germination under SD conditions (8-h-light and 16-h-dark cycle) were explored in whole genome level. Two AtC3H17 OX samples were compared to WT sample as a control.
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Project description:We characterized and compared the biological and molecular functions of HRE1α and HRE1β, two alternative splicing variants of HRE1, a AP2/ERF transcription factor in Arabidopsis. To compare the downstream regulatory mechanisms of HRE1α and HRE1β, Quant-Seq analysis was carried out. The experiment was designed to identify and compare differentially expressed genes (DEGs) between WT and HRE1α-overexpressing transgneic plants (OXs) and WT and HRE1β OXs grown for 14 days under SD conditions. We analyzed the biological process gene ontology (GO) annotation categories of the DEGs in HRE1α OXs and HRE1β OXs. The genes upregulated in HRE1α OXs, but not in HRE1β OXs, were enriched in the regulation of biological processes such as flower development, shoot system development, circadian rhythms, gene expression, response to gibberellin, nitrogen compound metabolic process, and aromatic compound biosynthetic processes. However, the genes up-regulated in HRE1β OXs, but not in HRE1α OXs, were enriched in the regulation of the following processes: response to toxic substances, secondary metabolic processes, response to biotic stimulus, glutathione metabolic process, response to reactive oxygen species, cell wall organization, DNA replication, response to salicylic acid, lipid localization, response to oxidative stress, carbohydrate metabolic process, photosynthesis, mitotic cell cycle process, response to osmotic stress, and response to abscisic acid. The genes upregulated in both HRE1α OXs and HRE1β OXs were enriched in biological processes involved in response to abiotic stimulus, response to light stimulus, response to endogenous stimulus, response to oxygen-containing compound, and response to lipid. In addition, we investigated the biological function of AtRH17, a DEAD-box RNA helicase gene in Arabidopsis, in salt stress response. To investigate the downstream regulatory mechanisms of AtRH17, Quant-Seq analysis was carried out. The experiment was designed to identify DEGs between WT and AtRH17 OXs grown for 14 days under SD conditions. GO annotation enrichment and KEGG pathway analysis showed that the upregulated and downregulated genes are involved in various biological functions including secretion, signaling, detoxification, metabolic pathways, catabolic pathways, and biosynthesis of secondary metabolites as well as in stress responses. Genevestigator analysis of the upregulated genes showed that nine genes, namely, LEA4‐5, GSTF6, DIN2/BGLU30, TSPO, GSTF7, LEA18, HAI1, ABR, and LTI30, were upregulated in Arabidopsis under salt, osmotic, and drought stress conditions. In particular, the expression levels of LEA4‐5, TSPO, and ABR were higher in AtRH17 OXs than in WT under salt stress condition.
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Project description:We characterized the biological and molecular functions of AtC3H17, a unique Arabidopsis gene encoding a non-tandem CCCH zinc finger protein, in plant development. To investigate the downstream regulatory mechanisms of AtC3H17, whole genome microarray expression profiling was carried out. The experiment was designed to identify differentially expressed genes between WT and AtC3H17-overexpressing transgenic plants (AtC3H17 OXs) grown for 14 days under SD growth conditions. Interestingly, the most up-regulated genes were 12S seed storage globulin genes, CRUCIFERIN A (CRA1) and CRUCIFERIN 3 (CRU3), and seed oil-body protein genes such as OLEOSIN 1 (OLEO1) and OLEO2 in AtC3H17 OXs compared with WT. We performed quantitative RT-PCR and confirmed that transcription levels of CRU3, OLEO1, OLEO2, and 2S seed storage albumin 1 (At2S1) were higher in AtC3H17 OX seedlings than in WT seedlings.
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Project description:Salinity is a pressing issue causing widespread crop loss, prompting plants to adapt through changes in gene expression. This study investigated the role of the non-tandem CCCH zinc finger protein gene AtC3H3 in Arabidopsis in response to salt stress. AtC3H3, a gene from the non-TZF gene family and known for its RNA-binding and ribonuclease activity, was found to be upregulated under osmotic stresses such as high salt and drought. When overexpressed in Arabidopsis, AtC3H3 led to increased tolerance to salt stress, not drought stress. qRT-PCR analysis showed that the expression of both well-known ABA-dependent salt stress-responsive genes, such as RAB18, RD29B, and RD22, and representative ABA-independent salt stress-responsive genes, such as DREB2A and DREB2B, was significantly higher in AtC3H3 OXs than WT under NaCl treatment, indicating its involvement in both ABA-dependent and ABA-independent signaling pathways. mRNA-Seq analysis using NaCl-treated WT and AtC3H3 OXs revealed no potential target mRNAs of the RNase function of AtC3H3, suggesting that the potential targets of AtC3H3 might be non-coding RNAs, not mRNAs. The study conclusively demonstrates that AtC3H3 plays a crucial role in salt stress tolerance by influencing the expression of salt stress-responsive genes. These findings have opened a new avenue for understanding plant stress mechanisms and suggest potential strategies for enhancing crop resilience to salinity.
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