Comparative transcriptional profiling between the organs of the scion and rootstock of a homograft (Arabidopsis thaliana)
Ontology highlight
ABSTRACT:
ORGANISM(S): Arabidopsis thaliana
SUBMITTER: Sudhir Singh
PROVIDER: E-GEOD-61631 | biostudies-arrayexpress |
REPOSITORIES: biostudies-arrayexpress
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Project description:Analyses of expression differences in flower bud and leaf of scion and rootstock, in homografts of Arabidopsis
2015-04-14 | GSE61631 | GEO
Project description:This SuperSeries is composed of the following subset Series: GSE41309: Differential expression in response to water deficit in diploid leaves of sweet orange scion grafted alternatively on a diploid or auto-tetraploid Rangpur lime rootstock: data concerning the scion grafted onto diploid rootstock. GSE41310: Differential expression in response to water deficit in diploid leaves of sweet orange scion grafted alternatively on a diploid or auto-tetraploid Rangpur lime rootstock: data concerning the scion grafted onto tetraploid rootstock Refer to individual Series
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Project description:Grafting is a well-established practice for grapevine to facilitate propagation of productive and tolerant cultivars against several stress factors. It is also considered to be a suitable method for studying molecular aspects of root-to-shoot and/or shoot-to-root signaling events. So far, controlling only effect of rootstock over scion was investigated and root-to-shoot transcriptomic alterations were fallowed on the scions or graft interfaces. The objective of this study was to investigate transcriptomic and physiological influence of scion on the rootstock under drought stress. Therefore, drought tolerant 110R rootstock were firstly grafted with sultana seedless and tested under drought stress with its non-grafted counterpart. The results of treatment indicated that grafted 110R performed the highest root elongation under drought. We carried out a microarray based transcriptome analysis on the roots of grafted and non-grafted 110R to explain this drought derived interaction through scion-to-rootstock. The highest expression increase under drought was recorded for sugar (SWEET) and nitrate or di/tri-peptide (NRT1/ PTR FAMILY) transporter proteins. Expression level of these genes was more highly increased in grafted 110R than its non-grafted counterpart. This situation indicated their potential role in drought tolerance and scion/rootstock harmony. Overexpression of these transporters attributed to increased amount of released nutrient and nitrogen source from abscised leaves of sultana seedless under drought. Remobilization of these rich sources was suggested to chance transcriptomic response of rootstocks and enabled much better growth in grafted 110R. Other transcripts annotated to cell wall modification enzymes (chitinases), osmoregulator proteins (dehydrins, proline-glycine rich proteins) and secondary metabolites (stilbene synthase) were also more highly induced in grafted 110R. This is the first report indicating transcriptomic influence of scion on the grapevine rootstocks and representing the genes responsible in scion/rootstock harmony and drought tolerance.
2017-12-31 | GSE89185 | GEO
Project description:This study aimed at investigating the effect in Grapevine of two different rootstocks (1103 Paulsen - P - and Mgt 101-14 - M) in comparison with not grafted plants - F - on the miRNome of berry skin in Pinot noir (clone Entav 115), to explore the influence of rootstock-scion interaction on grape quality. 7-year old grapevine plants were grown in 70-liters, in an open field arranged in a randomized block design with 9 replicates for each root system. The plants were maintained in the same agronomic conditions: all the pots were fertilized and were abundantly irrigated. Berry samples (15 per plant, 3 plants per replicate), were collected at two different developmental stage: veraison (1) and maturation (2), and dissected to separate skin tissues. Total RNA was extracted and DNase treated, small RNA libraries were prepared using the TruSeq Small RNA Sample Preparation Kit (Illumina®), following all manufacturers' instructions. Eighteen bar-coded small RNA libraries were constructed starting from 1 µg of total RNAs.
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Project description:This study aimed at investigating the effect in Grapevine of two different rootstocks (1103 Paulsen - P - and Mgt 101-14 - M) in comparison with not grafted plants - F - on the transcriptome of berry skin in Pinot noir (clone Entav 115), to explore the influence of rootstock-scion interaction on grape quality. 7-year old grapevine plants were grown in 70-liters, in an open field arranged in a randomized block design with 9 replicates for each root system. The plants were maintained in the same agronomic conditions: all the pots were fertilized and were abundantly irrigated. Berry samples (15 per plant, 3 plants per replicate), were collected at two different developmental stage: veraison (1) and maturation (2), and dissected to separate skin tissues. Total RNA was extracted from berry skins and DNase treated. 18 mRNA seq libraries were prepared, starting from total RNA (1 µg), using TruSeq RNA sample preparation kit (Illumina), according to manufacturers’ instructions. Libraries were quantified through qRT-PCR, as recommended by the protocol, and single-end sequenced for 100 bases on an Illumina Genome Analyzer (GAIIx).
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Project description:The main objective of this work was to evaluate the toxicity of Cd, in different genotypes of T. cacao, in scion-rootstock combinations (CCN 51-BN 34, CCN 51-PS 1319, CCN 51-PH 16, CCN 51-CCN 51), grown in soil with 150 mg Cd kg-1 soil, together with the control treatment (without addition of Cd in the soil), through proteomic profile, aiming to elucidate the influence of the scion-rootstock interaction on differential uptake and accumulation of Cd in roots and leaves.
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Project description:We used microarray analysis to examine transcriptomic changes upon dreb1a under drought, identifying hundreds of genes that potentially function downstream of DREB1A and mediate drought responses in the flower, including genes encoding transcription factors that likely play crucial regulatory roles. DREB1a mutant (CS872453) were well-watered until after just bolting (after 24 days growth with the main stem about 1 cm high) when drought treatment was started by withholding water (defined as day 0 for drought treatment). The relative soil moisture content decreased sharply and, after about 80 hours (defined as day 3 for drought treatment), the relative soil moisture content was near 35% of the soil water-holding capacity. The soil water condition was maintained by daily watering until almost all the fruits were mature and ready to harvest. Unopened flower samples were collected from drought treated plants, at day 3, 4, 5.
2013-11-06 | E-GEOD-43724 | biostudies-arrayexpress
Project description:We also used microarray analysis to examine transcriptomic changes under drought, identifying thousands of genes that potentially mediate drought responses in the flower, including genes encoding transcription factors that likely play crucial regulatory roles. Arabidopsis were well-watered until after just bolting (after 24 days growth with the main stem about 1 cm high) when drought treatment was started by withholding water (defined as day 0 for drought treatment). The relative soil moisture content decreased sharply and, after about 80 hours (defined as day 3 for drought treatment), the relative soil moisture content was near 35% of the soil water-holding capacity. The soil water condition was maintained by daily watering until almost all the fruits were mature and ready to harvest (about 50 days). For well-watered (control) plants, 90% of the soil water-holding capacity was maintained until tissue harvest or after seed maturation (pots were weighed and watered twice per day). Unopened flower samples were collected, from both treated and control plants, at day 0, 3, 4, 5, 10.
2013-11-06 | E-GEOD-40998 | biostudies-arrayexpress
Project description:Because nitrogen (N) nutrition is a key determinant of plant growth, we explored the role of N availability in grafted grapevine development. Vitis vinifera cv. Cabernet Sauvignon was grafted on two rootstock genotypes known to confer high (1103 Paulsen, 1103P) and low (Riparia Gloire de Montpellier, RGM) vigour. One-year-old plants were cultivated in sand-filled pots in a greenhouse and irrigated with the control nutrient solution for 15 days of acclimation (1.6 mM N). At the end of the acclimation period (0 days post treatment (dpt)), the plants were divided in two groups of 5 plants per combination and irrigated with nutrient solutions varying only in their nitrate concentration (0.8 mM (Nitrate -) and 2.45 mM (Nitrate +)). Roots were harvested at 15 and 60 dpt. Gene expression profiling was done using the Nimblegen whole genome array with 3 biological replicates per condition to analyze the combined effect of N treatment and rootstock genotype on gene expression.
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Project description:We also used microarray analysis to examine transcriptomic changes under moderate drought, identifying thousends of genes that potentially mediate moderate drought responses in the flower, including genes encoding transcription factors that likely play crucial regulatory roles. Arabidopsis were well-watered until after just bolting (after 24 days growth with the main stem about 1 cm high) when moderate drought treatment was started by withholding water (defined as day 0 for moderate drought treatment). The relative soil moisture content decreased rapidly and, after about 48 hours the relative soil moisture content was near 50% of the soil water-holding capacity (first moderate drough treated sample M3 were collected at day 3 (72 h after withholding water)). The soil water condition was maintained by daily watering until almost all the fruits were mature and ready to harvest (about 50 days). For well-watered (control) plants, 90% of the soil water-holding capacity was maintained until tissue harvest or after seed maturation (pots were weighed and watered twice per day). Unopened floral bud samples were collected at day 0, 3, 4, 5, 10.
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