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ABSTRACT: High intensity of Intraspecific Interaction Exacerbates Plant-Soil Negative Feedback in Panax notoginseng Cultivation Through Root-Exudate-Modified Rhizospheric Microbiomes

PROVIDER: PRJNA1085066 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR28288900_1.fastq.gz	Fastqsanger.gz
	SRR28288900_2.fastq.gz	Fastqsanger.gz
	SRR28288901_1.fastq.gz	Fastqsanger.gz
	SRR28288901_2.fastq.gz	Fastqsanger.gz
	SRR28288902_1.fastq.gz	Fastqsanger.gz

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Project description:High intensity of Intraspecific Interaction Exacerbates Plant-Soil Negative Feedback in Panax notoginseng -bacterium

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Effect of Panax Notoginseng on gene expression in rats with cerebral ischemia-reperfusion injury

Project description:Methods: Panax notoginseng was used to treat MCAO model rats, and the differentially expressed genes between Panax notoginseng group and model group were identified by RNA SEQ, and the possible mechanism of Panax notoginseng in regulating ischemic stroke was analyzed

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Nitrate fertilizer alleviates ammonium toxicity by enhancing ACLA-3 in Panax notoginseng roots

Project description:Nitrogen is one of the essential elements for plant growth. NH4+ and NO3- are two major forms of absorbing element N for higher plants. In this study we found that the growth of Panax notoginseng is inhibited when only adding ammonium nitrogen fertilizer, and adding nitrate fertilizer can alleviate the toxicity caused by ammonium. We use RNA-seq to identify genes that are related to the alleviated phenotypes after introducing NO3- to Panax notoginseng roots under NH4+ stresses. Twelve RNA-seq profiles in four sample groups, i.e., control, samples treated with NH4+, samples treated with NO3- only, and treated with both NH4+ and NO3- were obtained and analyzed to identify deregulated genes in samples with different treatments. ACLA-3 gene is downregulated in NH4+ treated samples, but is upregulated in samples treated with NO3- and with both NH4+ and NO3-, which is further validated in another set of samples using qRT-PCR. Our results suggest that unbalanced metabolism of nitrogen and nitrogen is the main cause of ammonium poisoning in roots of Panax notoginseng, and NO3- may significantly upregulate the activity of ACLA-3 which subsequently enhances the citrate cycle and many other metabolic pathways in Panax notoginseng root. These potentially increase the integrity of the Panax notoginseng roots. Our results suggest that introducing NO3- fertilizer is an effective means to prevent the occurrence of toxic ammonium in Panax notoginseng root.

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RNA illumina sequencing of Panax notoginseng under CK and Cd stress treatment

Project description:The total RNA were extracted from tissues of roots from several plants of Panax notoginseng under CK and Cd stress treatment by using TRIzol reagent (Invitrogen) according to the manufacturer's instructions. The purified PCR product was sequenced using Illumina Genome Analyzer II. The qualified reads were used to study of Panax notoginseng transcriptome under CK and Cd stress treatment.

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Transcriptomics provides novel insights into the regulatory mechanism of Panax notoginseng exosome-like nanoparticles in HSF

Project description:In current study, we observed that Panax notoginseng exosome-like nanoparticles successfully inhibited apoptosis and promoted proliferation in HSF. Moreover, transcriptomics was implemented to uncover its underlying mechanism. A total of 7924 differentially expressed genes (DEGs) were identified, with some of them enriched in apoptosis, proliferation related pathways. Intriguingly, some DEGs were annotated in skin aging development or coagulation function pathways. In view of this, we suggested Panax notoginseng exosomes may delay skin aging. Lastly, RT-qPCR confirmed the veracity and reliability of RNA-sequencing results.

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Transcriptomics provides novel insights into the regulatory mechanism of panax notoginseng derived exosome-like nanoparticles on HUVECs cells

Project description:In current study, we observed that panax notoginseng derived exosome-like nanoparticles successfully promoted proliferation, significantly inhibited apoptosis and greatly facilitated migration in HUVECs, further highlighting the robust therapy effects of HIF1A-AS1 to cardiovascular diseases (CVD). Moreover, transcriptomics was implemented to uncover its underlying mechanism. A total of 276 differentially expressed genes (DEGs) were identified, with some of them enriched in apoptosis, migration and cell cycle related pathways. Intriguingly, some DEGs were annotated in vascular development or coagulation function pathways. In view of this, we suggested panax notoginseng derived exosome-like nanoparticles mediated the progression of CVD by not only regulating the function of HUVECs, but also altering vascular development or coagulation function. Lastly, RT-qPCR confirmed the veracity and reliability of RNA-sequencing results.

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Rhizospheric soil of panax notoginseng

Project description:Rhizospheric soil of panax notoginseng Raw sequence reads

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Project description:rhizospheric bacterial communities under continuous cropping of Panax notoginseng

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Project description:Adjusting planting density is a common agricultural practice used to achieve maximum yields. However, whether the quality of medicinal herbs can be improved by implementing appropriate planting densities is still uncertain. The medicinal crop Panax notoginseng was used to analyze the effects of planting density on growth and ginsenoside accumulation, and the possible mechanisms of these effects were revealed through metabonomics. The results showed that P. notoginseng achieved high ginsenoside accumulation at high planting densities (8 × 8 and 10 × 10 cm), while simultaneously achieved high biomass and ginsenoside accumulation at moderate planting density of 15 × 15 cm. At the moderate planting density, the primary metabolism (starch and sucrose metabolism) and secondary metabolism (the biosynthesis of phytohormone IAA and ginsenoside) of the plants were significantly enhanced. However, the strong intraspecific competition at the high planting densities resulted in stress as well as the accumulation of phytohormones (SA and JA), antioxidants (gentiobiose, oxalic acid, dehydroascorbic acid) and other stress resistance-related metabolites. Interestingly, the dry biomass and ginsenoside content were significantly lower at low densities (20 × 20 and 30 × 30 cm) with low intraspecific competition, which disturbed normal carbohydrate metabolism by upregulating galactose metabolism. In summary, an appropriate planting density was benefit for the growth and accumulation of ginsenosides in P. notoginseng by balancing primary metabolism and secondary metabolism.

2021-07-15 | MTBLS2634 | MetaboLights

Project description:Panax notoginseng

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