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Spatiotemporal relationships between growth and microtubule orientation as revealed in living root cells of Arabidopsis thaliana transformed with green-fluorescent-protein gene construct GFP-MBD.

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Arabidopsis thaliana plants were transformed with GFP-MBD (J. Marc et al., Plant Cell 10: 1927-1939, 1998) under the control of a constitutive (35S) or copper-inducible promoter. GFP-specific fluorescence distributions, levels, and persistence were determined and found to vary with age, tissue type,

Characterization of Arabidopsis thaliana methyl-CpG-binding domain (MBD) proteins.

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Cytosine methylation at symmetrical CpG and CpNpG sequences plays a key role in the epigenetic control of plant growth and development; yet, the way by which the methylation signal is interpreted into a functional state has not been elucidated. In animals, the methylation signal is recognized by

AtMBD8 is involved in control of flowering time in the C24 ecotype of Arabidopsis thaliana.

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The Arabidopsis thaliana accession C24 is a vernalization-responsive, moderately late flowering ecotype. We report that a mutation in AtMBD8, which encodes a protein with a putative Methyl-CpG-Binding Domain (MBD), in C24 background, results in a delay in flowering time during both long and short

Novel Zn2+ coordination by the regulatory N-terminus metal binding domain of Arabidopsis thaliana Zn(2+)-ATPase HMA2.

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Arabidopsis thaliana HMA2 is a Zn2+ transporting P1B-type ATPase required for maintaining plant metal homeostasis. HMA2 and all eukaryote Zn2+-ATPases have unique conserved N- and C-terminal sequences that differentiate them from other P1B-type ATPases. Homology modeling and structural comparison by

Heterologous Expression of SvMBD5 from Salix viminalis L. Promotes Flowering in Arabidopsis thaliana L.

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Methyl-CpG-binding domain (MBD) proteins have diverse molecular and biological functions in plants. Most studies of MBD proteins in plants have focused on the model plant Arabidopsis thaliana L. Here we cloned SvMBD5 from the willow Salix viminalis L. by reverse

Backbone and side-chain resonance assignments of the methyl-CpG-binding domain of MBD6 from Arabidopsis thaliana.

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Epigenetic regulation is essential to various biological phenomena such as cell differentiation and cancer. DNA methylation is one of the most important epigenetic signals, as it is directly involved in gene silencing of transposable elements, genomic imprinting, and chromosome X inactivation. To

Molecular characterization of a putative plant homolog of MBD4 DNA glycosylase.

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Methyl-CpG-binding domain 4 (MBD4) DNA glycosylase is involved in excision of spontaneous deamination products of cytosine and 5-methylcytosine in animals, but it is unknown whether related proteins perform similar functions in plants. We report here the isolation and biochemical characterization of

Alfalfa Root Growth Rate Correlates with Progression of Microtubules during Mitosis and Cytokinesis as Revealed by Environmental Light-Sheet Microscopy.

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Cell division and expansion are two fundamental biological processes supporting indeterminate root growth and development of plants. Quantitative evaluations of cell divisions related to root growth analyses have been performed in several model crop and non-crop plant species, but not in important

The N-terminal degenerated metal-binding domain is involved in the heavy metal transport activity of TaHMA2.

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CONCLUSIONS We identified key residues of TaHMA2, and the N- and C-terminal regions of the protein have different roles in its transport function when heterologously expressed in yeast. TaHMA2, a P1B-type ATPase from wheat (Triticum aestivum L.), plays an important role in heavy metal homeostasis in

Interaction between methyl CpG-binding protein and ran GTPase during cell division in tobacco cultured cells.

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OBJECTIVE Methyl CpG-binding proteins are considered to play critical roles in epigenetic control of gene expression by recognizing and interacting with 5-methylcytosine (m(5)C) in eukaryotes. However, among 13 corresponding genes in Arabidopsis thaliana, designated as featuring a methyl-binding

Metal binding affinities of Arabidopsis zinc and copper transporters: selectivities match the relative, but not the absolute, affinities of their amino-terminal domains.

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HMA2, HMA4, and HMA7 are three of the eight heavy metal transporting P(1B)-type ATPases in the simple plant Arabidopsis thaliana. The first two transport Zn(2+), and the third transports Cu(+). Each protein contains soluble N-terminal metal-binding domains (MBDs) that are essential for metal

Activation of Archaeoglobus fulgidus Cu(+)-ATPase CopA by cysteine.

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CopA, a thermophilic ATPase from Archaeoglobus fulgidus, drives the outward movement of Cu(+) across the cell membrane. Millimolar concentration of Cys dramatically increases ( congruent with 800%) the activity of CopA and other P(IB)-type ATPases (Escherichia coli ZntA and Arabidopsis thaliana

AtMBD6, a methyl CpG binding domain protein, maintains gene silencing in Arabidopsis by interacting with RNA binding proteins.

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DNA methylation, mediated by double-stranded RNA, is a conserved epigenetic phenomenon that protects a genome from transposons, silences unwanted genes and has a paramount function in plant or animal development. Methyl CpG binding domain proteins are members of a class of proteins that bind to

Evolutionary divergence of monocot and dicot methyl-CpG-binding domain proteins.

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The covalent modification of eukaryotic DNA by methylation of the 5' carbon of cytosine residues is frequently associated with transcriptional silencing. In mammals, a potential mechanism for transducing DNA methylation patterns into altered transcription levels occurs via binding of

DDM1 binds Arabidopsis methyl-CpG binding domain proteins and affects their subnuclear localization.

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Methyl-CpG binding domain (MBD) proteins in Arabidopsis thaliana bind in vitro methylated CpG sites. Here, we aimed to characterize the binding properties of AtMBDs to chromatin in Arabidopsis nuclei. By expressing in wild-type cells AtMBDs fused to green fluorescent protein (GFP), we showed that

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