Abstract:
:Many filamentous nitrogen-fixing cyanobacteria protect nitrogenase from oxygen in differentiated cells called heterocysts. Heterocyst development is controlled by the availability of nitrogen compounds in the environment and by intrinsic factors that regulate the frequency and pattern of heterocysts along vegetative cell filaments. Recent progress in understanding heterocyst development in these simple multicellular organisms includes demonstrating the role of 2-oxoglutarate in regulating the activity of the transcription factor NtcA, the identification of additional genes in the regulatory network, such as hetF, and the further characterization of previously identified genes and proteins, including DevR/HepK, hetR, hetN, patS and patB.
journal_name
Curr Opin Microbioljournal_title
Current opinion in microbiologyauthors
Golden JW,Yoon HSdoi
10.1016/j.mib.2003.10.004subject
Has Abstractpub_date
2003-12-01 00:00:00pages
557-63issue
6eissn
1369-5274issn
1879-0364pii
S1369527403001401journal_volume
6pub_type
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