early/arabidopsis

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YODA signalling in the early Arabidopsis embryo.

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Logáil Isteach / Cláraigh

During early embryogenesis, flowering plants establish their principal body plan starting with an apical-basal axis. An asymmetric division of the zygote gives rise to apical and basal cells with different developmental fates. Besides WOX (WUSCHEL-RELATED HOMEOBOX) transcription factors and the

Cell-cell communication in Arabidopsis early embryogenesis.

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Logáil Isteach / Cláraigh

The basic body plan of the adult plant is established during embryogenesis, resulting in the juvenile form of the seedling. Arabidopsis embryogenesis is distinguished by a highly regular pattern of cell divisions. Some of these divisions are asymmetric, generating daughter cells with different

early bolting in short days: an Arabidopsis mutation that causes early flowering and partially suppresses the floral phenotype of leafy.

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Logáil Isteach / Cláraigh

The time of flowering in Arabidopsis is controlled by multiple endogenous and environmental signals. Some of these signals promote the onset of flowering, whereas others repress it. We describe here the isolation and characterization of two allelic mutations that cause early flowering and define a

Early genomic responses to salicylic acid in Arabidopsis.

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Logáil Isteach / Cláraigh

Salicylic acid (SA) is a stress-induced hormone involved in the activation of defense genes. Here we analyzed the early genetic responses to SA of wild type and npr1-1 mutant Arabidopsis seedlings, using Complete Arabidopsis Transcriptome MicroArray (CATMAv2) chip. We identified 217 genes rapidly

Localization of Chromatin Marks in Arabidopsis Early Embryos.

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Logáil Isteach / Cláraigh

During early embryo development, profound changes in chromatin structure and regulation take place. It is difficult to study these changes in plant embryos however, largely because of their relative inaccessibility, which impedes the application of current epigenomic and biochemistry protocols. To

Seed development: Early paternal gene activity in Arabidopsis.

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Logáil Isteach / Cláraigh

Both parental genomes are expressed during embryogenesis, although the time of activation of the paternally inherited genes varies between organisms. Results reported by Vielle-Calzada et al. have suggested that delayed activation of the paternal genome seems to be the rule in plant development. We

Polarity in the early floral meristem of Arabidopsis.

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Logáil Isteach / Cláraigh

The diversity of angiosperm flowers depends on organ meristy and position. However, the signaling pathways that establish polarity and positional information remain largely unelucidated. Use of the founder-cell marker DORNRÖSCHEN-LIKE (DRNL) in Arabidopsis has recently highlighted the importance of

Quantitative phosphoproteomics of early elicitor signaling in Arabidopsis.

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Logáil Isteach / Cláraigh

Perception of general elicitors by plant cells initiates signal transduction cascades that are regulated by protein phosphorylation. The earliest signaling events occur within minutes and include ion fluxes across the plasma membrane, activation of MAPKs, and the formation of reactive oxygen

Arabidopsis AMY1 expressions and early flowering mutant phenotype.

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Logáil Isteach / Cláraigh

The homozygous T-DNA mutant of the AMY1 gene in Arabidopsis was identified and importantly, shown to cause an early flowering phenotype. We found that the disruption of AMY1 enhanced expression of CO and FT. The expression analyses of genes related to starch metabolism revealed that expression of

Uracil salvage is necessary for early Arabidopsis development.

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Logáil Isteach / Cláraigh

Uridine nucleotides can be formed by energy-consuming de novo synthesis or by the energy-saving recycling of nucleobases resulting from nucleotide catabolism. Uracil phosphoribosyltransferases (UPRTs; EC 2.4.2.9) are involved in the salvage of pyrimidines by catalyzing the formation of uridine

Nitrate signaling and early responses in Arabidopsis roots.

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Logáil Isteach / Cláraigh

Nitrogen (N) is an essential macronutrient that impacts many aspects of plant physiology, growth, and development. Besides its nutritional role, N nutrient and metabolites act as signaling molecules that regulate the expression of a wide range of genes and biological processes. In this review, we

Transcriptional programs of early reproductive stages in Arabidopsis.

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Logáil Isteach / Cláraigh

The life cycle of flowering plants alternates between a diploid sporophytic and a haploid gametophytic generation. After fertilization of each the egg and central cells by one male gamete, the development of both fertilization products occurs coordinated with the maternally derived seed coat and

Endosperm turgor pressure decreases during early Arabidopsis seed development.

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Logáil Isteach / Cláraigh

In Arabidopsis, rapid expansion of the coenocytic endosperm after fertilisation has been proposed to drive early seed growth, which is in turn constrained by the seed coat. This hypothesis implies physical heterogeneity between the endosperm and seed coat compartments during early seed development,

Extensive phenotypic variation in early flowering mutants of Arabidopsis.

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Logáil Isteach / Cláraigh

Flowering time, the major regulatory transition of plant sequential development, is modulated by multiple endogenous and environmental factors. By phenotypic profiling of 80 early flowering mutants of Arabidopsis, we examine how mutational reduction of floral repression is associated with changes in

Comparative transcriptomics of early meiosis in Arabidopsis and maize.

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Logáil Isteach / Cláraigh

Though sexually reproductive plants share the same principle and most processes in meiosis, there are distinct features detectable. To address the similarities and differences of early meiosis transcriptomes from the dicot model system Arabidopsis and monocot model system maize, we performed

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Herbal & Natural Medicine

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