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Bean dwarf mosaic geminivirus movement proteins recognize DNA in a form- and size-specific manner

Article Abstract:

A study was undertaken to evaluate the DNA binding properties of the BV1 and BC1 proteins of the bean dwarf mosaic geminivirus to correlate them to the maintenance of the viral genome size during systemic infection. BV1 and BC1 are considered as movement proteins since the former moves viral DNA out of the nucleus and the latter influences DNA transport through plasmodesmata. Results revealed that the two proteins were capable of recognizing DNA on the basis of genome size and form and manifested protein-nucleic acid interaction.

Author: Gilbertson, Robert L., Lucas, William J., Rojas, Maria R., Noueiry, Amine O.
Publisher: Elsevier B.V.
Publication Name: Cell
Subject: Biological sciences
ISSN: 0092-8674
Year: 1998
Cell interaction, Cell interactions, DNA binding proteins, Plant viruses

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Regulation of growth factor activation by proteoglycans: what is the role of the low affinity receptors?

Article Abstract:

The binding of proteoglycans to growth factors induces a regulatory role on the growth factors. The binding of the proteoglycan, heparin, to the fibroblast growth factor (FGF) is necessary for FGF-induced biological activity. Proteoglycans are proteins containing carbohydrates and are low affinity receptors. The binding of the low affinity receptors appears to be necessary for reducing the dimensionality of ligand binding from three to two dimensions.

Author: Schlessinger, Joseph, Lax, Irit, Lemmon, Mark
Publisher: Elsevier B.V.
Publication Name: Cell
Subject: Biological sciences
ISSN: 0092-8674
Year: 1995
Observations, Growth factors, Ligand binding (Biochemistry), Proteoglycans

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