1921
Immunology of Parasitic Infections: Report of a Workshop
  • ISSN: 0002-9637
  • E-ISSN: 1476-1645
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Abstract

As William Trager pointed out some time ago in a review in , all obligate intracellular parasites—be they viral, bacterial, or protozoan—face a common dilemma. That dilemma is to invade their host cells in a way that is not destructive of the host cell upon whose metabolic hospitality and functional well-being their own reproduction depends. Simply stated, these organisms must penetrate the plasma membranes of their host and take up residence in a suitable location in the cell's cytoplasm. Since many of the speakers in this session will address themselves to the issues of penetration and intracellular location of specific organisms, I view my task as one of trying to place these issues into a general conceptual framework.

There are three general paths an intracellular parasite might follow to gain entry into an animal cell (Fig. 1): ) direct passage of the parasite through the host cell's plasma membrane; ) fusion of the outer membrane of the parasite with the cell's plasma membrane; ) endocytosis of the parasite by the host cell.

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/content/journals/10.4269/ajtmh.1977.26.161
1977-11-01
2017-09-21
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