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Abscission layer (AL) at the base of flower in rice using laser micro-dissection: NIL(qSH1) AL vs. Nipponbare AL, NIL(qSH1) AL vs. NIL(qSH1) upper region of AL, and NIL(qSH1) AL vs. NIL(qSH1) lower region of AL

ABSTRACT: Tissue-specific transcriptional profiling of the abscission layer (AL) at the base of young flower in rice using laser micro-dissection: NIL(qSH1) vs. Nipponbare.

ORGANISM(S): Oryza sativa

PROVIDER: GSE33409 | GEO | 2012/04/01

SECONDARY ACCESSION(S): PRJNA148935

REPOSITORIES: GEO

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Abscission layer (AL) at the base of flower in rice using laser micro-dissection: NIL(qSH1) AL vs. Nipponbare AL, NIL(qSH1) AL vs. NIL(qSH1) upper region of AL, and NIL(qSH1) AL vs. NIL(qSH1) lower region of AL

Project description:Tissue-specific transcriptional profiling of the abscission layer (AL) at the base of young flower in rice using laser micro-dissection: NIL(qSH1) vs. Nipponbare. We used two rice varieties, NIL(qSH1) and Nipponbare. NIL(qSH1) is a nearly isogenic line containing the seed shattering gene qSH1. Seed shattering is easy in NIL(qSH1), but it is not in Nipponbare. So, we used some stages of young flower in NIL(qSH1) and some in Nipponbare. Four regions: 1. abscission layer region of NIL(qSH1), 2. upper abscission region of NIL(qSH1), 3. lower abscission layer region of NIL(qSH1), and 4. abscission layer region of Nipponbare. Sample experiments: NIL(qSH1) AL vs. Nipponbare AL, NIL(qSH1) AL vs. NIL(qSH1) upper region of AL, and NIL(qSH1) AL vs. NIL(qSH1) lower region of AL.

2012-03-31 | E-GEOD-33409 | biostudies-arrayexpress

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Developing endosperm: Nipponbare vs NIL(TGW6)

Project description:Gene expression profoling of developping endosperm at 3 and 6 days after flowering (DAH): Nipponbare vs NIL(TGW6) We used two rice varieties, NIL(TGW6) and Nipponbare.NIL(TGW6) is a nearly isogenic line containing the thousand grain weight qTGW6. For samples used three stages: 3 and 6 DAH endosperm in both Nipponbare and NIL(TGW6). Two dye swapped experiments were performed.

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Comparative gene expression analysis between Nipponbare and 6-4 under two conditions

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Mitchum Soybean NIL-R vs NIL-S Captured Syncytia

Project description:Comparison of syncytia gene expression between soybean near-isogenic lines 7923R (NIL-R) and 7923S (NIL-S) infected with the soybean cyst nematode (PA3).

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Transcription profiling of rice varieties Nipponbare and 6-4 grown in either phosphorus deficient or fertilized soil

Project description:Nipponbare performs poorly in phosphorus (P) deficient soil whereas a Nipponbare-derived NIL containing the Pup1 allele of donor parent Kasalath is tolerant to P deficiency. In this experiment we compared gene expression patterns in roots of this NIL to Nipponbare, grown either in a P deficient or P fertilized soil. The aim is to separate constitutive differences in expression from those induced by P deficiency. Experiment Overall Design: Total RNA was extrancted from root that were grown under two conditions and prepared three biological replicant in each line (total 6 samples in each line). Experiment Overall Design: We used 6 slides for this experiment, in each slide, Nipponbare and 6-4 samples grown under same condition were hybridized.

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A SlCLV3-SlWUS module regulates auxin and ethylene homeostasis in low light–induced tomato flower abscission

Project description:DNA affinity purification sequencing for WUSCHEL in tomato flower abscission zone

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Transcriptome Analysis using customized AZ microarray on Flower pedicel Abscission and non abscission zones in Tomato (Solanum lycopersicum c.v New Yorker) Plants.

Project description:To extend our previous knowledge from our gene expression studies on Flower pedicel Abscission zone using Affymetrix microarray chip we have employed whole transcriptome analysis by NGS as a discovery platform to identify and add the transcripts to pre-existing database. We designed the Customized AZ Microarray chip with the transcripts obtained from NGS (includes novel transcripts), pre existing Agilent probes, and some additional transcripts from previous databases. The flower pedicel AZ tissue and non abscission(NAZ) pedicel tissues was sampled at six time points (0, 4, 8, 12, 16 and 20 h), following flower removal, and analyzed for their gene expression profiles using the customized AZ microarray.

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Expression profiling of tomato pre-abscission pedicels

Project description:Organ abscission is a general activity found in plants and its regulation is an important agronomical concern because the trait directly affects the harvesting efficiency of fruits or grains and the yields. Generally, abscission takes place at a specialized cell layer, which is called abscission zones (AZs). So far, investigations on organ abscission have been focused mainly on the cell activities during organ detachment. By contrast, little attention has been paid to the properties of AZ cells at the pre-abscission stage. The pre-abscission cells are at a turning point for initiating abscission; until an abscission initiating signal is provided, the AZ cells keep their physiological state, while once the signal occurs, the cells immediately change their state into the onset of abscission. In this study, to screen the genes involved in the regulation of abscission at the pre-abscission state, we investigated the gene expression profiles of tomato flower pedicels at anthesis. The screening revealed many genes that characterize cell identities in each pedicel region.

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Transcriptome responses in the abscission, distal and proximal regions of the flower pedicel during shedding of flower in Euphorbia pulcherrima

Project description:The aim of this study is to assess the global transcriptome changes during the shedding of the flower, which normally takes around 6 or 7 days. We selected four time points (from day 0 to day 6) and three different tissues within the flower bud; distal, abscission and proximal zones with three biological replicates. RNA extraction, library prep and paired end sequencing was performed. Our special interest is try to describe the changes in the abscission zone and the two adjacent tissues in order to get a whole picture of the shedding process. We performed a de novo assembly by Trinity and detected the transcripts and expression changes across spatial and temporal comparisons.

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