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. 1998 Jul 7;95(14):7846–7847. doi: 10.1073/pnas.95.14.7846

Table 2.

Unusual properties of the nanobacteria

Property Description
Size 0.05–0.5 μm
Filterability 0.1 μm in high yield
Mineral formation Biogenic apatite formation
Doubling time ≈3 days
Heat resistance 90°C, 1 h
Culturability Mammalian cell culture medium with/without cells
γ-irradiation resistance 1.5 megarads
Antibiotic sensitivity Resistant to penicillins and aminoglycosides
Diagnosis Standard sterility detection methods fail

Data are from Kajander et al. (3).