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Characeae
Abstract
We found 500 cells expressing GFP under the control of the CpHSP70 promoter, which were identified following heat shock treatment at 42 degrees C, and 100 cells expressing GFP under the control of the CpCAB1 promoter, which were observed in lit conditions. In contrast, the GFP signal was only detect...
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PMID: 18308758
PDF is available here.
PDF is available here.
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FEBS Letters (581)28 2007
Abstract
Formation of channel-like pores in a plant membrane was induced within seconds after application of an aqueous solution containing regurgitant of the insect larvae Spodoptera littoralis. Gated pore currents recorded on the tonoplast of the Charophyte Chara corallina displayed conductances up to seve...
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PMID: 17967419
PDF is available here.
PDF is available here.
Abstract
We investigated the distribution of genes for both pathways in the green alga Mesostigma viride, a key species at the basis of streptophycean (charophycean green algae, land plant) evolution. Ten of altogether twelve generally weakly expressed genes for isoprenoid biosynthesis, including three for t...
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PMID: 17433859
PDF is available here.
PDF is available here.
Abstract
We use d, the size of the symmetric difference (the complement of the common intervals) of the two subsets of 2({1,n}) thus determined by two permutations, as an evolutionary distance between the gene orders represented by the permutations. We consider the Steiner Tree problem in the space (2({1,n})...
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PMID: 17572022
PDF is available here.
PDF is available here.
Abstract
The plant action potential (AP) has been studied for more than half a century. The experimental system was provided mainly by the large charophyte cells, which allowed insertion of early large electrodes, manipulation of cell compartments, and inside and outside media. These early experiments were i...
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PMID: 17280895
PDF is available here.
PDF is available here.
Protoplasma (229)2-4 2006
Abstract
Gravitropically tip-growing rhizoids and protonemata of characean algae are well-established unicellular plant model systems for research on gravitropism. In recent years, considerable progress has been made in the understanding of the cellular and molecular mechanisms underlying gravity sensing and...
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PMID: 17180494
PDF is available here.
PDF is available here.
Abstract
We established GapA, GapB, and CP12 sequences from bryophytes, all orders of charophyte as well as chlorophyte green algae, and the glaucophyte Cyanophora paradoxa. Comprehensive phylogenetic analyses of all available plastid GAPDH sequences suggest that glaucophytes and green plants are sister line...
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PMID: 16527864
PDF is available here.
PDF is available here.
Abstract
Aquatic macrophytes are unchangeable biological filters and they carry out purification of the water bodies by accumulating dissolved metals and toxins in their tissue. In view of their potential to entrap several toxic heavy metals, 45 macrophytes belonging to 8 families collected from two differen...
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PMID: 16213586
PDF is available here.
PDF is available here.
Plant and Cell Physiology (46)11 2005
Abstract
We studied responses of internodal cells to a long-lasting stimulus and the results were as follows. (i) The cell generated receptor potential at the moment of both compression and decompression. (ii) The receptor potential (DeltaE (m)) was significantly larger at the moment of decompression than at...
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PMID: 16192285
PDF is available here.
PDF is available here.
Abstract
We characterized these genes in three charophycean green algae: the stonewort Chara globularis, the coleochaete Coleochaete scutata, and the desmid Closterium peracerosum-strigosum-littorale complex. Phylogenetic analyses suggested that MADS-box genes diverged extensively in the land plant lineage a...
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PMID: 15699346
PDF is available here.
PDF is available here.
Protoplasma (224)3-4 2004
Abstract
The shape, motility, and subcellular distribution of mitochondria in characean internodal cells were studied by visualizing fluorescent dyes with confocal laser scanning microscopy and conducting drug-inhibitor experiments. Shape, size, number, and distribution of mitochondria varied according to th...
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PMID: 15614475
PDF is available here.
PDF is available here.
Environmental Toxicology (19)4 2004
Abstract
A microscale bioassay based on 50% inhibition of K(+), Mg(2+)-ATPase activity in a microsomal fraction isolated from Nitellopsis obtusa cells was developed. Compared to that for a plasma membrane fraction purified in a sucrose gradient, the preparation procedure for a microsomal fraction is less tim...
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PMID: 15269913
PDF is available here.
PDF is available here.
Shi yan sheng wu xue bao (37)2 2004
Abstract
We examined the immunofluorescent localization of MTs in different living stages under confocal laser scanning microscope. In young, rapidly elongating cells, MTs were predominantly transverse to the long axis of the cell. As the relative growth rate fell, transverse MTs gradually decreased, and in...
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PMID: 15259982
PDF is available here.
PDF is available here.
Plant and Cell Physiology (44)11 2003
Abstract
I suggest that the change in the trans-nodal hydraulic pressure difference mechanically stretches the plasma membrane, and this induces the electrical depolarization....
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PMID: 14634159
PDF is available here.
PDF is available here.
Abstract
We show that this new gene GapCp is also present and actively expressed in angiosperms, mosses, and liverworts. Phylogenetic analyses of the available GapC and GapCp sequences suggest that the gene duplication giving rise to GapCp occurred in ancestral charophyte algae. The data are also consistent...
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PMID: 12962302
PDF is available here.
PDF is available here.
Protoplasma (221)3-4 2003
Abstract
10 nm diameter filaments were observed in whole-mount preparations of algae of diverse phyla: Acetabularia acetabulum and A. major (Chlorophyta), Chara australis and Nitella flexilis (Charophyta), and Poterioochromonas malhamensis (Chrysophyta). A polyclonal antibody raised against a basic, 50 kDa D...
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PMID: 12802635
PDF is available here.
PDF is available here.