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Soft x-ray micrographs of parasites from protein 4.1-deficient erythrocytes infecting normal erythrocytes. (A and B) Parasites that matured in protein 4.1-deficient erythrocytes in the previous generation retain structural abnormalities first recognized in the abnormal host erythrocytes when subsequently infecting normal erythrocytes. Unusual structures and disordered density are detected (exposure, 50 sec).
