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Macrophages ingested all forms of the organism, which were eventually degraded in lysosomes. However, elementary bodies were distinguished from other TRIC particles by the delay in their transfer to lysosomes. BHK-21 cells ingested elementary bodies selectively, and in these cells the organisms were neither found in lysosomes nor degraded. Instead they showed morphological changes that probably represented an early stage of development.<\/jats:p>","DOI":"10.1017\/s0022172400046507","type":"journal-article","created":{"date-parts":[[2009,5,15]],"date-time":"2009-05-15T10:06:20Z","timestamp":1242381980000},"page":"515-528","update-policy":"http:\/\/dx.doi.org\/10.1017\/policypage","source":"Crossref","is-referenced-by-count":42,"title":["Interactions of TRIC agents with macrophages and BHK-21 cells observed by electron microscopy"],"prefix":"10.1017","volume":"71","author":[{"given":"A. 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