Ontology highlight
ABSTRACT:
REPOSITORIES: ENA
Dataset's files
| Action | DRS | |||
|---|---|---|---|---|
| ERR1017190_1.fastq.gz | Fastqsanger.gz | |||
| ERR1017190_2.fastq.gz | Fastqsanger.gz | |||
| ERR1017200_1.fastq.gz | Fastqsanger.gz | |||
| ERR1017200_2.fastq.gz | Fastqsanger.gz | |||
| ERR1018110.fastq.gz | Fastqsanger.gz |
Items per page: 5 1 - 5 of 44 |
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Project description:We described in this work the reproductive barrier between Capsella rubella and Capsella grandiflora leading to hybrid seed inviability. The transcriptome revealed a similar response to the one observed in interploidy hybrid seeds.
2015-03-28 | GSE67359 | GEO
Project description:RNA-seq reads from the outcrossing species Arabidopsis lyrata were produced from flowers to study the consequences of the transition from the ancestral state (outcrossing) to the derived state (selfing) that is observed in the sister species Arabidopsis thaliana. This was done in the context of examining another species pair (Capsella rubella versus Capsella grandiflora, which are selfing and outcrossing, respectively). These samples were generated to complement part of this larger study. Briefly, the shift from outcrossing to selfing is common in flowering plants, but neither the genomic consequences nor the speed with which they appear are well understood. An excellent model for understanding the evolution of self fertilization is provided by Capsella rubella, which became self-compatible <200,000 years ago. We present a reference genome for the species, and compare RNA expression and polymorphism patterns between C. rubella and its outcrossing progenitor C. grandiflora. There is a clear shift in the expression of genes associated with flowering phenotypes; a similar shift is seen in the related genus Arabidopsis, where self-fertilization evolved about 1 million years ago. DNA sequence polymorphisms distinguishing the two Capsella species reveal rapid genome-wide relaxation of purifying selection in C. rubella but without a concomitant change in transposable element abundance. Overall, we document that the transition to selfing may be typified by shifts in expression for genes that function in pollen and flower development, along with a measurable reduction of purifying selection. As part of a cross-species comparison of gene expression, RNA-seq data was generated in biological replication (2 replicates) from Arabidopsis lyrata at the floral stage. In total, two samples (biological replicates) were used. The reference strain was used for the experments (strain MN47). Resulting data about gene expression was used as part of a larger study. The Capsella rubella and Capsella grandiflora data are included in GEO Series GSE45518.
2013-04-02 | E-GEOD-45676 | biostudies-arrayexpress
Project description:RNA-seq reads from the selfing species Arabidopsis thaliana were produced from flowers to study the consequences of the transition from the ancestral state (outcrossing) to the derived state (selfing). This was done in the context of examining another species in the Arabidopsis genus (A. lyrata) and another species pair (Capsella rubella versus Capsella grandiflora, which are selfing and outcrossing, respectively). These samples were generated to complement part of this larger study. Briefly, the shift from outcrossing to selfing is common in flowering plants, but neither the genomic consequences nor the speed with which they appear are well understood. An excellent model for understanding the evolution of self fertilization is provided by Capsella rubella, which became self-compatible <200,000 years ago. We present a reference genome for the species, and compare RNA expression and polymorphism patterns between C. rubella and its outcrossing progenitor C. grandiflora. There is a clear shift in the expression of genes associated with flowering phenotypes; a similar shift is seen in the related genus Arabidopsis, where self-fertilization evolved about 1 million years ago. DNA sequence polymorphisms distinguishing the two Capsella species reveal rapid genome-wide relaxation of purifying selection in C. rubella but without a concomitant change in transposable element abundance. Overall, we document that the transition to selfing may be typified by shifts in expression for genes that function in pollen and flower development, along with a measurable reduction of purifying selection. As part of a cross-species comparison of gene expression, RNA-seq data was generated in biological replication (2 replicates) from Arabidopsis thaliana at the floral stage. In total, two samples (biological replicates) were used. The reference strain was used for the experments (strain Col-0). Resulting data about gene expression was used as part of a larger study. The Capsella rubella and Capsella grandiflora data are included in GEO Series GSE45518.
2013-04-02 | E-GEOD-45685 | biostudies-arrayexpress
Project description:We compare RNA expression and polymorphism patterns between C. rubella and its outcrossing progenitor C. grandiflora. There is a clear shift in the expression of genes associated with flowering phenotypes; a similar shift is seen in the related genus Arabidopsis, where self-fertilization evolved about 1 million years ago. This is a two group comparison of gene expression between the self-compatible Capsella Rubella and out-crossing Capsella Grandiflora mixed stage flowerbuds. Leaf expression is also provided as an annotation reference dataset.
2013-03-28 | E-GEOD-45518 | biostudies-arrayexpress
Project description:RNA-seq reads from the selfing species Arabidopsis thaliana were produced from flowers to study the consequences of the transition from the ancestral state (outcrossing) to the derived state (selfing). This was done in the context of examining another species in the Arabidopsis genus (A. lyrata) and another species pair (Capsella rubella versus Capsella grandiflora, which are selfing and outcrossing, respectively). These samples were generated to complement part of this larger study. Briefly, the shift from outcrossing to selfing is common in flowering plants, but neither the genomic consequences nor the speed with which they appear are well understood. An excellent model for understanding the evolution of self fertilization is provided by Capsella rubella, which became self-compatible <200,000 years ago. We present a reference genome for the species, and compare RNA expression and polymorphism patterns between C. rubella and its outcrossing progenitor C. grandiflora. There is a clear shift in the expression of genes associated with flowering phenotypes; a similar shift is seen in the related genus Arabidopsis, where self-fertilization evolved about 1 million years ago. DNA sequence polymorphisms distinguishing the two Capsella species reveal rapid genome-wide relaxation of purifying selection in C. rubella but without a concomitant change in transposable element abundance. Overall, we document that the transition to selfing may be typified by shifts in expression for genes that function in pollen and flower development, along with a measurable reduction of purifying selection.
2013-04-02 | GSE45685 | GEO
Project description:RNA-seq reads from the outcrossing species Arabidopsis lyrata were produced from flowers to study the consequences of the transition from the ancestral state (outcrossing) to the derived state (selfing) that is observed in the sister species Arabidopsis thaliana. This was done in the context of examining another species pair (Capsella rubella versus Capsella grandiflora, which are selfing and outcrossing, respectively). These samples were generated to complement part of this larger study. Briefly, the shift from outcrossing to selfing is common in flowering plants, but neither the genomic consequences nor the speed with which they appear are well understood. An excellent model for understanding the evolution of self fertilization is provided by Capsella rubella, which became self-compatible <200,000 years ago. We present a reference genome for the species, and compare RNA expression and polymorphism patterns between C. rubella and its outcrossing progenitor C. grandiflora. There is a clear shift in the expression of genes associated with flowering phenotypes; a similar shift is seen in the related genus Arabidopsis, where self-fertilization evolved about 1 million years ago. DNA sequence polymorphisms distinguishing the two Capsella species reveal rapid genome-wide relaxation of purifying selection in C. rubella but without a concomitant change in transposable element abundance. Overall, we document that the transition to selfing may be typified by shifts in expression for genes that function in pollen and flower development, along with a measurable reduction of purifying selection.
2013-04-02 | GSE45676 | GEO
Project description:We compare RNA expression and polymorphism patterns between C. rubella and its outcrossing progenitor C. grandiflora. There is a clear shift in the expression of genes associated with flowering phenotypes; a similar shift is seen in the related genus Arabidopsis, where self-fertilization evolved about 1 million years ago.
2013-03-28 | GSE45518 | GEO
Project description:Capsella rubella 1504 and Capsella grandiflora 926. Genome sequencing
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Project description:Genome-wide identification of imprinted genes in Capsella grandiflora and Capsella orientalis
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