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41 results for “Arabis alpina”
Arabis alpina L. subsp. caucasica (Willd.) Briq. (BR0000006789220)
Belgium Herbarium image of <a href="https://www.plantentuinmeise.be">Meise Botanic Garden</a>.
Data from: Adaptation of perennial flowering phenology across the European range of Arabis alpina
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Data from: Generalist-pollinated <em>Arabis alpina</em> exhibits floral scent variation at multiple scales
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Data from: Phenotypic plasticity in floral scent in response to nutrient, but not water, availability in the perennial plant Arabis alpina (Brassicaceae)
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Data from: Seed traits are pleiotropically regulated by the flowering time gene PERPETUAL FLOWERING 1 (PEP1) in the perennial Arabis alpina
The life cycles of plants are characterized by two major life history transitions—germination and the initiation of flowering—the timing of which are important determinants of fitness. Unlike annuals, which make the transition from the vegetative to reproductive phase only once, perennials iterate reproduction in successive years. The floral repressor PERPETUAL FLOWERING 1 (PEP1), an orthologue of FLOWERING LOCUS C, in the alpine perennial Arabis alpina ensures the continuation of vegetative growth after flowering and thereby restricts the duration of the flowering episode. We performed greenhouse and garden experiments to compare flowering phenology, fecundity, and seed traits between A. alpina accessions that have a functional PEP1 allele and flower seasonally and pep1 mutants and accessions that carry lesions in PEP1 and flower perpetually. In the garden, perpetual genotypes flower asynchronously and show higher winter mortality than seasonal ones. PEP1 also pleiotropically regulates seed dormancy and longevity. Seeds from perpetual genotypes have shallow dormancy and reduced longevity regardless of whether they afterripened in plants grown in the greenhouse or in the experimental garden. These results suggest that perpetual genotypes have higher mortality during winter, but compensate by showing higher seedling establishment. Differences in seed traits between seasonal and perpetual genotypes are also coupled with differences in hormone sensitivity and expression of genes involved in hormonal pathways. Our study highlights the existence of pleiotropic regulation of seed traits by hub developmental regulators such as PEP1, suggesting that seed and flowering traits in perennial plants might be optimized in a coordinated fashion.
Data from: Genome-wide variation in nucleotides and retrotransposons in alpine populations of Arabis alpina (Brassicaceae)
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Data from: Patterns of phenotypic plasticity and local adaptation in the wide elevation range of the alpine plant Arabis alpina
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Data from: Seed traits are pleiotropically regulated by the flowering time gene PERPETUAL FLOWERING 1 (PEP1) in the perennial Arabis alpina
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Data from: Development of an Arabis alpina genomic contig sequence dataset and application to single nucleotide polymorphisms discovery
The alpine plant Arabis alpina is an emerging model in the ecological genomic field which is well-suited to identifying the genes involved in local adaptation in contrasted environmental conditions, a subject which remains poorly understood at molecular level. This paper presents the assembly of a pool of A. alpina genomic fragments using Next Generation Sequencing technologies. These contigs cover 172 Mb of the A. alpina genome (i.e. 50% of the genome) and were shown to contain sequences giving positive hits against 96% of the 458 CEGMA core genes (Core Eukaryotic Genes Mapping Approach), a set of highly conserved eukaryotic genes. Regions presenting high nucleic sequence identity with 77% of the close relative Arabidopsis thaliana's genes were found, with an unbiased distribution across the different functional categories of A. thaliana genes. This new resource was tested using a resequencing assay to identify polymorphic sites. Sixteen samples were successfully analyzed and 127,041 Single Nucleotide Polymorphisms identified. This contig dataset will contribute to improving understanding of the ecology of Arabis alpina, thus constituting an important resource for future ecological genomic studies.
Data from: Development of an Arabis alpina genomic contig sequence dataset and application to single nucleotide polymorphisms discovery
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Mechanisms of age-dependent response to winter temperature in perennial flowering of Arabis alpina.
GEO Series GSE40455. Arabis alpina; Arabidopsis thaliana. 16 samples. Type: Expression profiling by array.
In perennial Arabis alpina CONSTANS and FLOWERING LOCUS T have common and distinct effects on flowering and inflorescence architecture
GEO Series GSE317358. Arabis alpina. 45 samples. Type: Expression profiling by high throughput sequencing.
The Arabis alpina APETALA2 orthologue delays flowering by repressing floral meristem identity genes during vernalization
GEO Series GSE117977. Arabis alpina. 9 samples. Type: Expression profiling by high throughput sequencing.
RNAseq analysis of Arabis alpina buds in the dormant zone (V2) and buds in the growing zone (V3) at the end of vernalization (+0) and 5 days later (+5d)
GEO Series GSE126944. Arabis alpina. 12 samples. Type: Expression profiling by high throughput sequencing.
RNA-Seq analysis of adventitious rooting zone of Arabis alpina main stem during extended cold exposure.
GEO Series GSE176054. Arabis alpina. 27 samples. Type: Expression profiling by high throughput sequencing.
Regulation of flowering by TOE2 in Arabidopsis thaliana and Arabis alpina
GEO Series GSE147802. Arabis alpina. 18 samples. Type: Expression profiling by high throughput sequencing.
Genome-wide profiling of H3K4me3, H3K27me3 H3K27me1 and 5mC enrichment and mRNA levels in young leaves of Arabis alpina
GEO Series GSE54560. Arabis alpina. 12 samples. Type: Expression profiling by high throughput sequencing; Genome binding/occupancy profiling by high throughput sequencing; Methylation profiling by high throughput sequencing.
Cytokinin-promoted secondary growth and nutrient storage in the perennial stem zone of Arabis alpina
GEO Series GSE152417. Arabis alpina. 19 samples. Type: Expression profiling by high throughput sequencing.
Keep a distance to be different: axillary bud initiating at a distance to the shoot apical meristem are crucial for the perennial life style of Arabis alpina
GEO Series GSE140316. Arabis alpina. 23 samples. Type: Expression profiling by high throughput sequencing.
Regulation of flowering by AaTFL1 in Arabis alpina
GEO Series GSE147803. Arabis alpina. 9 samples. Type: Expression profiling by high throughput sequencing.
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