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Science 3 November 2000:
Vol. 290. no. 5493, pp. 914 - 915
DOI: 10.1126/science.290.5493.914b
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News of the Week

MICROBIOLOGY:
Listeria Enlists Host in Its Attack

Elizabeth Pennisi

As described on page 992, a 27-amino acid addition to a protein some 500 amino acids long enabled the food-borne pathogenic bacterium Listeria monocytogenes, which can cause meningitis and death in people with compromised immune systems, to deploy a toxic protein without killing its host cell. As a result, the microbe remains comfortably ensconced within the cell and can avoid confronting antibodies, the immune system's foot soldiers.

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Science. ISSN 0036-8075 (print), 1095-9203 (online)