Mycobacterium tuberculosis sigF is part of a gene cluster with similarities to the Bacillus subtilis sigF and sigB operons

The clinical and radiological features are described in male and female siblings with a unique form of spondyloepimetaphyseal dysplasia. In addition to generalized platyspondyly with epiphyseal and metaphyseal involvement, these children also have thin tapering fingers with accentuated palmar creases and abnormal dentition with oligodontia and pointed incisors. Parental consanguinity suggests that this is an autosomal recessive disorder.