Two closely related cDNAs encoding actin-depolymerizing factors of petunia are mainly expressed in vegetative tissues

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Confocal Microscopy Analysis of Protein Sorting to Plasmodesmata in Nicotiana benthamiana
05:54

Confocal Microscopy Analysis of Protein Sorting to Plasmodesmata in Nicotiana benthamiana

Published on: November 1, 2024

J H Mun1, H J Yu, H S Lee

  • 1School of Biological Sciences Seoul National University, Seoul 151-742, South Korea.

Gene
|November 18, 2000
PubMed

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Actin Filament Depolymerization

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In F-actin, the ADF/cofilin proteins...
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Actin Polymerization and Cell Motility

Actin is a family of globular proteins that are highly abundant in eukaryotic cells. It makes up approximately 1-5% of total cell protein concentration. Actin monomers polymerize to form a complex network of polarized filaments, the actin cytoskeleton, that plays a crucial role in many cellular processes, including cell motility, division, endocytosis, and metastasis of cancer cells.
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Introduction to Actin

Actin is a highly conserved cytoskeletal protein found abundantly in eukaryotic cells. It constitutes 10% weight of the total cellular protein in muscle cells, while in non-muscle cells, it is lower and makes up around 1–5 percent of the total cell protein. Actin found in the unicellular amoebae and complex multicellular animals is around 80% similar, demonstrating their conservation over a billion years of evolution.  Actin coding genes are conserved within species and across different species.
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Generation of Straight or Branched Actin Filaments

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Arp2/3 complex is a seven-subunit complex consisting of two proteins similar to actin- Arp2 and Arp3, and five other subunits that help keep Arp2 and Arp3 inactive. When required, the complex is...
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Cell Specific Gene Expression

Multicellular organisms contain a variety of structurally and functionally distinct cell types, but the DNA in all the cells originated from the same parent cells. The differences in the cells can be attributed to the differential gene expression. Liver cells, whose functions include detoxification of blood, production of bile to metabolize fats, and synthesis of proteins essential for metabolism, must express a specific set of genes to perform their functions. Gene expression also varies with...