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ABSTRACT: Transcriptomic analysis of cell development under light in Populus tomentosa

PROVIDER: PRJNA606650 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR11085788.fastq.gz	Fastqsanger.gz
	SRR11085789.fastq.gz	Fastqsanger.gz
	SRR11085790.fastq.gz	Fastqsanger.gz
	SRR11085791.fastq.gz	Fastqsanger.gz
	SRR11085792.fastq.gz	Fastqsanger.gz

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Transcriptomic and metabolomic analysis of the heat-stress response of Populus tomentosa

Project description:We sequenced mRNA from the control and heat treatments leaves of Populus tomentosa using the Illumina HiSeq4000 platform to generate the transcriptome dynamics that may serve as a gene expression profile blueprint for different response patterns under control and heat stress in Populus tomentosa.

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Expression data from two year old shoot apex and mature xylem of Populus tomentosa

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Project description:We take the two year old plant for sampling. Use the Affymetrix poplar gene chip to elucidate the gene functions and mechanisms in Populus tomentosa newly formed developing xylem and lignified xylem. We used microarrays to detail the global programme of gene expression in newly formed developing xylem and lignified xylem. Populus tomentosa newly formed developing xylem and lignified xylem were taken for RNA extraction and hybridization on Affymetrix microarrays. CB2009304-A and CB2009304-B from newly formed developing xylem, CB2009304-G and CB2009304-H from lignified xylem.

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Project description:Light plays a key role in plant growth, development and response to adversity. Plants perceive different wavelengths of light in the environment through various photoreceptors and regulate plant growth and development through light signaling. However, there are fewer studies on the effects of different light qualities on the growth and development of tree species at high altitude. In the study, the effects of blue and green light treatments on the growth and development of Populus cuttings were investigated. Blue light treatment significantly increased the high growth of Populus, while green light treatment showed the opposite trend. Consequently, blue light treatment demonstrated growth promotion by increasing the growth hormone content of Populus. This implies that Populus may benefit from blue light therapy in terms of growth and development, which may be helpful for further research into the introduction and cultivation of poplar species in high altitude regions.

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Expression data from two year old shoot apex and mature xylem of Populus tomentosa

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Expression data of male and female floral bud with Populus tomentosa during their development process.

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Project description:transcriptomic of exogenous GABA in poplar(Populus tomentosa) under salt

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Project description:Iron (Fe) is an essential micronutrient for the survival and proliferation of plants. Plants have evolved complex mechanisms to maintain Fe homeostasis in response of Fe deficiency conditions. To explore the mechanisms of Populus tomentosa response to Fe deficiency, we evaluated the physiological, biochemical and transcriptome differences of P. tomentosa between Fe-sufficient and Fe-deficient conditions. The results showed that, under Fe-free conditions, the chlorophyll synthesis and photosynthesis pathways in shoots were extremely depressed. The inhibition of these pathways caused chlorosis and reduced shoot growth. Meanwhile, although both two photosynthetic systems (PSI and PSII) were inhibited under Fe limited conditions, PSI is affected more serious and earlier than PSII. In order to maintain Fe homeostasis, several genes involved in Fe regulation network were differentially expressed. At the late period of Fe deficiency response, some genes (BTS, bHLH38/39 and PYE) in PYE regulatory network were up-regulated in roots, while some root-specific ethylene-dependent FIT regulatory genes (EIN3, ERF and FIT) were down-regulated. Moreover, FRO2 was induced in P. tomentosa roots to reduce more Fe3+, which is similar with other strategy I plants. It is interest that we found another Fe2+ transporter gene (NRAMP1) was induced, instead of the well-known Fe2+ transporter gene (IRT1) for strategy I plants, to promote Fe2+ absorption at the Fe deficiency late stage.

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