Block size is defined by the average intersection spacing along a ray as described for the sigma factor
. Both the sigma factor
and the block size define the fracture intensity of the rock volume.
Oikawa et al., "Increased bioplastic production with an RNA polymerase sigma factor SigE during nitrogen starvation in Synechocystis sp.
demonstrated that sigma factors are differently associated with the promoters of nitrogen-related genes in response to growth phase and external nutrient conditions .
Furthermore, downstream of both regulation cascades, the genes for sigma factors
are included, i.e., the rpoF gene in the pathway of flagella formation and the rpoE gene in the pathway of biofilm formation.
 Garrett ES, Perlegas D, Wozniak DJ Negative control of flagellum synthesis in Pseudomonas aeruginosa is modulated by the alternative sigma factor
The first, and most notable, is a putative RNA polymerase sigma factor
(CDS pCT_066) within the sequence, which shares homology with genes found in only 4 closely related plasmids (pO26vir; pO113, TP113, and pSERB1) and has limited identity to homologue SigB in Yersinia frederiksenii.
Other section topics include biosensors, biocontrol, bottled water, Enterobacter sakazakii, food sanitizers, milk, probiotics, proteobacteria, quorum sensing, and sigma factors
. Study reference for NEHAs Certified Professional-Food Safety credential exam.
First, Six Sigma factors
in customer needs and requirements into the quality specifications of a product or process (known as "Critical to Quality").
New topics and sections address biosensors, bio-control, bottled water, Enterobacter sakazakii, food sanitizers, milk, probiotics, proteobacteria, quorum sensing, and sigma factors