Signal Transduction Genes Required for Heterocyst Maturation in Anabaena sp. Strain PCC 7120
Journal of bacteriology, 2006•Am Soc Microbiol
How heterocyst differentiation is regulated, once particular cells start to differentiate, remains
largely unknown. Using near-saturation transposon mutagenesis and testing of transposon-
tagged loci, we identified three presumptive regulatory genes not previously recognized as
being required specifically for normal heterocyst maturation. One of these genes has a
hitherto unreported mutant phenotype. Two previously identified regulatory genes were
further characterized.
largely unknown. Using near-saturation transposon mutagenesis and testing of transposon-
tagged loci, we identified three presumptive regulatory genes not previously recognized as
being required specifically for normal heterocyst maturation. One of these genes has a
hitherto unreported mutant phenotype. Two previously identified regulatory genes were
further characterized.
Abstract
How heterocyst differentiation is regulated, once particular cells start to differentiate, remains largely unknown. Using near-saturation transposon mutagenesis and testing of transposon-tagged loci, we identified three presumptive regulatory genes not previously recognized as being required specifically for normal heterocyst maturation. One of these genes has a hitherto unreported mutant phenotype. Two previously identified regulatory genes were further characterized.
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