...Martha R. McCARTNEY; Ulysses LINS; Marcos FARINA; Peter R. BUSECK; Richard B. FRANKEL Abstract A brackish lagoon at Itaipu, Brazil, contains magnetotactic bacteria with unusually large magnetite magnetosomes (lengths 100–200 nm). The micromagnetic structures of the magnetosomes from two different...

... chains in three different strains of magnetite-producing bacteria (MS-1 and MV-1, Dunin-Borkowski et al. 1998 , 2001 ; Itaipu-1, McCartney et al. 2001 ) and in two cells of unnamed sulfide producers ( Kasama et al. 2006 ) have been measured experimentally using electron holography. Remarkably...