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Tuber transcriptome profiling of eight potato cultivars with different cold-induced sweetening responses to cold storage

ABSTRACT: Tuber transcriptome profiling of eight potato cultivars with different cold-induced sweetening responses to cold storage

PROVIDER: PRJNA575227 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR10210733_1.fastq.gz	Fastqsanger.gz
	SRR10210733_2.fastq.gz	Fastqsanger.gz
	SRR10210734_1.fastq.gz	Fastqsanger.gz
	SRR10210734_2.fastq.gz	Fastqsanger.gz
	SRR10210735_1.fastq.gz	Fastqsanger.gz

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Tuber transcriptome profiling of eight potato cultivars with different cold-induced sweetening responses to cold storage

Project description:Tubers are vegetative reproduction organs formed from underground extensions of the plant stem. Potato tubers are harvested and stored for months. Storage under cold temperatures of 2 - 4 °C is advantageous for supressing sprouting and diseases. However, development of reducing sugars can occur with cold storage through a process called cold-induced sweetening (CIS). CIS is undesirable as it leads to darkened color with fry processing. The purpose of the current study was to find differences in biological responses in eight cultivars with variation in CIS resistance. Transcriptome sequencing was done on tubers before and after cold storage and three approaches were taken for gene expression analysis: 1. Gene expression correlated with end-point glucose after cold storage, 2. Gene expression correlated with increased glucose after cold storage (after-before), and 3. Differential gene expression before and after cold storage. Cultivars with high CIS resistance (low glucose after cold) were found to increase expression of an invertase inhibitor gene and genes involved in DNA replication and repair after cold storage. The cultivars with low CIS resistance (high glucose after cold) showed increased expression of genes involved in abiotic stress response, gene expression, protein turnover and the mitochondria. There was a small number of genes with similar expression patterns for all cultivars including genes involved in cell wall strengthening and phospholipases. It is proposed that the pattern of gene expression is related to chilling-induced DNA damage repair and cold acclimation and that genetic variation in these processes are related to CIS.

2019-11-14 | GSE138254 | GEO

Tuber-omics in potato with the T and D types of cytoplasm showed differentially expressed genes and proteins in response to cold storage

Project description:For the first time, we report differentially expressed genes (DEGs) and differentially expressed proteins (DEPs) in potato (Solanum tuberosum L.) tubers characterized by light and dark chip color after cold storage. Two potato diploid progenies derived from reciprocal crosses of parental clones possessing the T- and D-type cytoplasm were used. We recognized 48 and 15 DEGs as compared to RNA-seq data of contrasting segregants. We identified DEPs in potato tuber amyloplast and mitochondrial fractions. Seven and five DEPs were identified in the amyloplast fractions of the T – and D – type cytoplasm, respectively. Higher number of DEPs were selected from the mitochondrial fraction. The corresponding values were 97 and 105, including 39 common DEPs in the T – and D – type cytoplasm. These findings suggest that mitochondria may play a more important role than amyloplasts in response of potato tubers to cold treatment and that this influence can be different for the T – and D – type cytoplasm. However, we showed that the mt/nucDNA and pt/nucDNA ratios tend to increase for tubers characterized by dark chip color when compared with light chip color samples. Therefore, a protective effect of reducing sugars on both amyloplasts and mitochondria during low temperature treatment should be considered.

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Potato tuber development

Project description:An in vivo and in vitro potato tuber development gene expression study. Keywords: Developmental stage analysis, time course

2007-07-18 | GSE5360 | GEO

Potato tuber development

Project description:An in vivo and in vitro potato tuber development gene expression study. For in vitro tuber development expression analysis, RNA was isolated from in vitro microtubers at 2, 5, 10, 20 and 30 days following observed tuber induction. Two microtuber populations were used as biological replicates for the developmental stages. The RNA from all developmental stages was pooled to generate the reference samples. Ten microarray hybridizations were performed. For in vivo tuber development expression analysis, RNA was isolated from tubers growing in growth chamber conditions. Tissues were divided into six group, according to developmental size: stolon (no tuber formation), 1-5 mm tubers, 6-10 mm tubers, 11-15 mm tubers, 16-25 mm tubers, and 26-35 mm tubers. Two biological replicates of ten plants each were grown sequentially in the same growth chamber. The RNA from all developmental stages was pooled to generate the reference samples. Twelve microarray hybridizations were performed. For all experiments, the RNA was labeled using the indirect labeling method with random hexamer primers. Amplified cRNA was used as labeling template for stolons. Total RNA was used as labeling template in all other labeling reactions.

2010-07-01 | E-GEOD-5360 | biostudies-arrayexpress

potato tuber

Project description:potato tuber Raw sequence reads

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Pre-symptomatic transcriptome changes during cold storage of chilling sensitive and resistant peach cultivars to elucidate chilling injury mechanism

Project description:Transcript profiling analysis of fruits from 'Oded' and 'Hermoza' cultivars subjected to different times of cold storage

2014-12-08 | E-MTAB-2708 | biostudies-arrayexpress

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Project description:Potato (Solanum tuberosum L) is a natural host of Potato spindle tuber viroid (PSTVd) which can cause characteristic symptoms on developing plants including stunting phenotype and distortion of leaves and tubers. PSTVd is the type species of the family Pospiviroidae, it can replicate in the nucleus and the viroid RNA moves systemically in infected plants. Its KF440-2 strain can cause severe symptoms in potato. It is not well understood how the viroid can affect host genes for successful invasion and which genes show altered expression levels upon infection. In this study, we used a high-scale method to identify differentially expressed genes in potato. We have identified defence, stress and sugar metabolism related genes having altered expression levels upon infection. Additionally, hormone pathways connected genes showed up- or down-regulation. Our primary focus is on the identification of genes which can affect tuber formation as the viroid infection can strongly influence tuber development, especially tuber shape is affected. DWARF1/DIMINUTO, Gibberellin 7-oxidase and BEL5 protein were identified and validated which showed differential expression in viroid infected tissues suggesting that gibberellin and brassinosteroid pathways have a possible role in tuber development upon PSTVd infection.

2016-02-01 | E-MTAB-3869 | biostudies-arrayexpress

Expression data from postharvest Ponkan (Citrus reticulata Blanco) fruit under cold storage

Project description:Low temperature storage of citrus fruits are susceptible to chilling disorder symptoms that impact fruit quality. Understanding the molecular frame underlying the cold storage process will provide a basic guidance for practical control. We used Affymetrix Citrus GeneChip to examine the transcriptional changes in cold-stored Citrus reticulata Blanco cv. ‘Ponkan’ pulp tissue for three successive months.

2009-12-18 | GSE19543 | GEO

Expression data from postharvest Ponkan (Citrus reticulata Blanco) fruit under cold storage

Project description:Low temperature storage of citrus fruits are susceptible to chilling disorder symptoms that impact fruit quality. Understanding the molecular frame underlying the cold storage process will provide a basic guidance for practical control. We used Affymetrix Citrus GeneChip to examine the transcriptional changes in cold-stored Citrus reticulata Blanco cv. âPonkanâ pulp tissue for three successive months. Ponkan postharvest fruits were under cold storage for three successive months. The pulp tissue was used for RNA extraction and hybridization on Affymetrix Citrus Genome microarrays.

2010-05-17 | E-GEOD-19543 | biostudies-arrayexpress

Effect of potato tuber bruising on gene expression 2h after mechanical shock in tetraploid potato genotypes

Project description:Tuber bruising in tetraploid potatoes (Solanum tuberosum) is a trait of economical importance, as it affects tubers' fitness for sale. Understanding the genetic components affecting tuber bruising is a key step in developing potato lines with increased resistance to bruising. As the tetraploid setting renders genetic analyses more complex, there is still a lot to learn about this complex phenotype. Here, we used genotype by sequencing data on a panel of half-sibling populations from a breeding programme to perform a genome-wide association analysis for tuber bruising. In addition, we collected transcriptomics data to enrich the GWAS results, by performing a differential expression analysis between samples with high- and low-bruising susceptibility.

2022-11-29 | GSE208439 | GEO

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