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Comparisons of transcriptome of Ciona intestinalis between eggs and 32-cell stage embryos to identify rapidly degrading maternal mRNA

ABSTRACT: A genome decoded chordate Ciona intestinalis is one of the suitable animal for analyzing genetic controls in early embryogenesis and zygotically expressed genes are especially intensely studied. However maternally expressed genes are less studied than zygotic ones because of their huge numbers. These microarray experiments were carried out to screen rapidly degrading mRNA to identify crucial maternal mRNAs for Ciona embryogenesis in relatively a short period before their degradation.

ORGANISM(S): Ciona intestinalis

PROVIDER: GSE25817 | GEO | 2010/12/04

SECONDARY ACCESSION(S): PRJNA135625

REPOSITORIES: GEO

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Comparisons of transcriptome of Ciona intestinalis between eggs and 32-cell stage embryos to identify rapidly degrading maternal mRNA

Project description:A genome decoded chordate Ciona intestinalis is one of the suitable animal for analyzing genetic controls in early embryogenesis and zygotically expressed genes are especially intensely studied. However maternally expressed genes are less studied than zygotic ones because of their huge numbers. These microarray experiments were carried out to screen rapidly degrading mRNA to identify crucial maternal mRNAs for Ciona embryogenesis in relatively a short period before their degradation. Two samples (unfertilized eggs vs 32-cell stage embryos), two biological replicates, dye Swap design

2010-12-04 | E-GEOD-25817 | biostudies-arrayexpress

Gene expression profiles of unfertilized eggs of Ciona intestinalis

Project description:The transcriptome of unfertilized eggs of Ciona intestinalis was determined with microarrays.

2013-10-29 | GSE45500 | GEO

Gene expression profiles of unfertilized eggs of Ciona intestinalis

Project description:The transcriptome of unfertilized eggs of Ciona intestinalis was determined with microarrays. To obtain gene expression profiles of unfertilized eggs, we took 14 biological replicates. For the first through fourth replicates, we also took a technical duplicate. Gene expression profiles of the 8-, 16-, 32-cell embryos were obtained with embryos from the third to fifth animals.

2013-10-29 | E-GEOD-45500 | biostudies-arrayexpress

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small RNA sequencing of two developmental stages of Ciona intestinalis

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2010-03-27 | E-GEOD-21078 | biostudies-arrayexpress

Gene expression of ovary and neural complex in adult Ciona intestinalis

Project description:To compare with new Ciona intestinalis microarray NimbleGen 135k, we peformed gene expression analysis of GPL14686. Total RNAs from common samples with a part of NimbleGen's analysis are used for this analysis. Ovary and Neural Complex from adult Ciona intestinalis, duplicate, 2 time points during spawning

2011-11-05 | E-GEOD-33498 | biostudies-arrayexpress

Ciona intestinalis (ascidian): control vs. TBT exposed

Project description:Transcriptional profiling of Ciona intestinalis comparing ethanol exposed asidian (control) with TBT exposed ascidian. Two conditions experiment comparing ethanol exposed asidian (control) with TBT exposed ascidian.

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Expression of time series data of spawning with light/dark conditions for mature adult Ciona intestinalis

Project description:Investigation of gene expression during spawning in ovary and neural complex in Ciona intestinalis.

2011-11-01 | GSE31902 | GEO

Transcriptome analysis of Ciona intestinalis to identify genes expressed in the adult organs.

Project description:Among urochordates (tunicates)âthe closest living relatives of vertebratesâCiona intestinalis is increasingly being used as a model organism in the field of developmental biology. Ciona intestinalis is the seventh animal which genome published; the ~120-Mbp euchromatin region is estimated to contain ~16,000 protein-coding genes. In addition, analyses of more than one million ESTs have provided the foundation for gene models and associated transcriptomes. The fertilized Ciona intestinalis egg develops into a tadpole larva with a simplified chordate body plan, and then it metamorphose into adult sea squirt of sessile filter feeder. One of interests in the field of developmental biology is to understand what kind of genes are expressed in the body and how spatially and/or temporally coordinated expression of genes is controlled. In this study, we investigated the entire gene expression of 11 organs of adult Ciona; the neural complex, branchial sac, esophagus, stomach, endostyle, intestine, body-wall muscle, heart, blood cells, ovary, and testis. Our data would provides basic information of transcriptome in each organ and help to understand gene expression control of organ specific genes. Gene expressions in 11 organs of adult Ciona intestinalis; blood cells, branchial sac, digestive grand, endostyle, esophagus, heart, body-wall muscle, neural complex, ovary, stomach and testis. Three independent experiments were performed at each tissue using different individuals for each experiment.

2010-10-27 | E-GEOD-24941 | biostudies-arrayexpress

Transcriptome analysis of Ciona intestinalis to identify genes expressed in the adult organs.

Project description:Among urochordates (tunicates)—the closest living relatives of vertebrates—Ciona intestinalis is increasingly being used as a model organism in the field of developmental biology. Ciona intestinalis is the seventh animal which genome published; the ~120-Mbp euchromatin region is estimated to contain ~16,000 protein-coding genes. In addition, analyses of more than one million ESTs have provided the foundation for gene models and associated transcriptomes. The fertilized Ciona intestinalis egg develops into a tadpole larva with a simplified chordate body plan, and then it metamorphose into adult sea squirt of sessile filter feeder. One of interests in the field of developmental biology is to understand what kind of genes are expressed in the body and how spatially and/or temporally coordinated expression of genes is controlled. In this study, we investigated the entire gene expression of 11 organs of adult Ciona; the neural complex, branchial sac, esophagus, stomach, endostyle, intestine, body-wall muscle, heart, blood cells, ovary, and testis. Our data would provides basic information of transcriptome in each organ and help to understand gene expression control of organ specific genes.

2010-10-27 | GSE24941 | GEO

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