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Transcriptomic response of in vitro potato (Solanum tuberosum L.) to piezoelectric ultrasound

ABSTRACT: Transcriptomic response of in vitro potato (Solanum tuberosum L.) to piezoelectric ultrasound

PROVIDER: PRJNA558262 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR9888210_1.fastq.gz	Fastqsanger.gz
	SRR9888210_2.fastq.gz	Fastqsanger.gz
	SRR9888211_1.fastq.gz	Fastqsanger.gz
	SRR9888211_2.fastq.gz	Fastqsanger.gz
	SRR9888212_1.fastq.gz	Fastqsanger.gz

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Transcriptomic response of in vitro potato (Solanum tuberosum L.) to piezoelectric ultrasound

Project description:As part of a wider project to assess the impact of ultrasound on in vitro plant growth, this paper aimed to determine whether the application of piezoelectric ultrasound (PE-US) would induce changes to the transcriptome of in vitro potato (Solanum tuberosum L.). After exposing explants (single-node segments with a single leaf) to PE-US (35 kHz; 70 W) for 20 min, the effect of this stressor was determined at 0 h, 24 h, 48 h, 1 w and 4 w to assess the possible immediate and residual effects of PE-US on the potato transcriptome.

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Project description:Potato wild relatives (Solanum section Petota) are a source of genetic diversity for improving traits in modern cultivars (S. tuberosum) to meet climate challenges. Potatoes are susceptible to multiple abiotic and biotic stresses and have undergone constant improvement through breeding programs worldwide. The allotetraploid S. acaule Bitter has been used to introgress cold tolerance into potato breeding germplasm. The cold challenged transcriptome of S. acaule was compared with that of autotetraploid S. tuberosum cv. Atlantic, and was found to have fewer differentially expressed genes than the latter. Specifically, subgenome 1 has less downregulated alleles compared to subgenome 2 and S. tuberosum.

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Transcriptome Analyses Reveal Molecular Responses of Three Potato (Solanum tuberosum L.) Cultivars to Cold Stress

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Project description:Ultrasound (US) can influence plant growth and development. To better understand the genetic mechanism underlying the physiological response of potato to US, single-node segments of four-week-old in vitro plantlets were subjected to US at 35 kHz for 20 min. Following mRNA purification, 10 cDNA libraries were assessed by RNA-seq and significantly differentially expressed genes (DEGs) were categorized by gene ontology (GO) or Kyoto Encyclopedia of Genes and Genomes (KEGG) identifiers. The expression intensity of 40,430 genes from a total pool of 45,112 genes were studied. From these, several hundred genes associated with biosynthesis, carbohydrate metabolism and catabolism, cellular protein modification, and response to stress, and expressed mainly in the extracellular region, nucleus, and plasma membrane, were either up- or down-regulated in response to US. This study examines how some processes evolved over time (0 h, 24 h, 48 h, 1 week and 4 weeks) after an abiotic stress (US) was imposed on in vitro potato explants, and provides important clues to the temporal dynamics in enzyme and DEG profiles in response to this stress as the explant becomes established in vitro. Despite this abiotic stress, plantlets survived.

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