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Articles by Meike Baumgart
Microbial production of the low-caloric sweetener d -allulose from d -glucose by evolutionary engineering
Keywords d-allulose d-glucose isomerase sugar transport adaptive laboratory evolution metabolic engineering molecular dynamics simulations Introduction The overconsumption of food and beverages sweetened with high-caloric d-sucrose or high-fructose corn syrup (HFCS) causes numerous health problems, such as obesity, type 2 diabetes, and cardiovascular diseases [1,2].
Overlapping SigH and SigE sigma factor regulons in Corynebacterium glutamicum
Introduction Most bacterial genes are transcribed by the RNA polymerase (RNAP) holoenzyme that includes a primary sigma subunit (σ factor referred to as RpoD/σ70 in Escherichia coli and SigA/σA in many other bacteria) that is responsible for the transcription of housekeeping genes. Transcription of the genes involved in starvation, stationary phase, and general stress response largely depends on the presence of the primary-like σ factor usually named σΒ in Gram-positive bacteria.
Tailor-made catalytically active inclusion bodies for different applications in biocatalysis
We have recently demonstrated that fusions of different target enzymes to the coiled-coil domain TDoT induced the formation of catalytically active inclusion bodies CatIBs in E. coli (doi:10.1016/j.jbiotec.2017.04.033). Here we show that the CatIB properties can be tailored to the requirements of different reaction systems using two different coiled-coil domains as fusion tags: TDoT and 3HAMP.
The copper-deprivation stimulon of Corynebacterium glutamicum comprises proteins for biogenesis of the actinobacterial cytochrome bc1-aa3 supercomplex
Aerobic respiration in Corynebacterium glutamicum involves a cytochrome bc –aa supercomplex with a diheme cytochrome c , which is the only c-type cytochrome in this species. This organization is considered as typical for aerobic Actinobacteria. Whereas the biogenesis of heme–copper type oxidases like cytochrome aa has been studied extensively in α-proteobacteria, yeast, and mammals, nothing is known about this process in Actinobacteria.
The copper-deprivation stimulon of Corynebacterium glutamicum comprises proteins for biogenesis of the actinobacterial cytochrome bc1-aa3 supercomplex
Aerobic respiration in Corynebacterium glutamicum involves a cytochrome bc -aa supercomplex with a diheme cytochrome c , which is the only c-type cytochrome in this species. This organisation is considered as typical for aerobic Actinobacteria. Whereas the biogenesis of heme-copper type oxidases like cytochrome aa has been studied extensively in α-proteobacteria, yeast, and mammals, nothing is known on this process in Actinobacteria.
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