1887

Abstract

The cellular and subcellular ultrastructure of the helical 277F agent was studied in detail utilizing negative staining and ultrathin sections of fluids and/ or tissues of infected chicken embryos and ticks. This organism, which lacks a cell wall and axial filaments, conforms closely in size and fine structural characteristics (plasma membrane, ribosomes, fibrillar reticulum, and thin glycocalyx-like coat on the cell surface) to the genus of the order .

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1976-01-01
2022-01-27
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