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Plasmids are extrachromosomal DNA molecules found in bacteria, archaea, and some eukaryotic microbes like yeast. These small, circular DNA structures typically contain fewer than 30 genes, although some may exist linearly. Plasmids vary in their number within a cell, known as copy number. Single-copy plasmids are present in one copy per cell and multi-copy plasmids are present in multiple copies, reaching over 100 copies per cell.Plasmids usually replicate independently of the chromosomal DNA...
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Cell division is essential for organismal growth and development. In animal cells, the central spindle and its associated proteins form the midbody, a structure that has an essential role in cytokinesis. In plants, the central spindle, along with the microtubules, actin, and other cell components, matures into the phragmoplast, which is necessary for cytokinesis. Unlike the stationary midbody, the phragmoplast expands centrifugally, eventually leading to the formation of the new cell wall.
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[Plasmolipin and Its Role in Cell Processes].

A A Shulgin1,2,3, T D Lebedev1, V S Prassolov1

  • 1Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, Moscow, 119991 Russia.

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|November 27, 2021
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Summary

Plasmolipin (PLLP), a myelin sheath component, is a potential biomarker for neurodegenerative and malignant diseases. Its role in signaling pathways suggests involvement in cancer, Alzheimer's, and schizophrenia.

Keywords:
MARVELNotch signalingSNAREintracellular transportion channelslipid raftsneurodegenerative disordersproteolipids

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Area of Science:

  • Biomedicine
  • Molecular Biology
  • Neuroscience

Background:

  • Malignant and neurodegenerative diseases are critical areas of biomedical research.
  • Identifying novel molecular markers for prognosis and treatment is essential.
  • Plasmolipin (PLLP), a major myelin sheath component, is implicated in nervous system development and function.

Purpose of the Study:

  • To review the structure, functions, and disease associations of plasmolipin (PLLP).
  • To explore PLLP as a potential molecular marker for various disorders.
  • To highlight PLLP's involvement in intracellular signaling pathways.

Main Methods:

  • Literature review of existing data on PLLP.
  • Analysis of PLLP's role in cellular processes like intracellular transport and lipid raft formation.
  • Examination of PLLP's association with signaling pathways, including Notch signaling.

Main Results:

  • PLLP is crucial for nervous system development and function.
  • PLLP is involved in intracellular transport, lipid raft formation, and Notch signaling.
  • PLLP is potentially linked to cancer, schizophrenia, Alzheimer's disease, and type 2 diabetes mellitus.
  • PLLP and homologs may act as viral entry receptors.

Conclusions:

  • Plasmolipin (PLLP) is a promising biomarker for neurodegenerative and malignant diseases.
  • Understanding PLLP's function is key to developing new therapeutic strategies.
  • Further research into PLLP's role in disease pathogenesis is warranted.