“…It has been shown experimentally that the amidotransferase OxyD, a homologue of LlpA (54% amino acid identity), is necessary and sufficient to produce amidated polyketide precursors (Zhang et al, 2006). Another example of a similar starting mechanism was postulated for cervimycin biosynthesis (Herold et al, 2004).…”
Section: Formation Of the Lysolipin Polyketide Backbonementioning
“…It has been shown experimentally that the amidotransferase OxyD, a homologue of LlpA (54% amino acid identity), is necessary and sufficient to produce amidated polyketide precursors (Zhang et al, 2006). Another example of a similar starting mechanism was postulated for cervimycin biosynthesis (Herold et al, 2004).…”
Section: Formation Of the Lysolipin Polyketide Backbonementioning
“…In some cases, drug precursors themselves might also have other industrial or medicinal values, justifying their production on large scale. There are precursors of several antibiotics that include monensin (Vrijbloed et al 1999), cervimycin C (Herold et al 2004), and valanimycin (Garg et al 2008). There are engineered microbes for efficient production of antibiotics was given in Table 18.1.…”
Section: Metabolic Engineering Of Microbes For Antibiotics Productionmentioning
Number of microorganisms produces antibiotics that can inhibit or kill the other microbes. The production of some antibiotics is not sufficient in native host rather difficult to synthesize chemically and to extract in large amounts for commercialization. Metabolic engineering plays an increasingly significant role in the production of antibiotics and its precursors. Thus, we engineer biosynthetic pathways in desire host for the production of sufficient quantity of antibiotics. In this chapter, we illustrated bioengineering of different microbes using synthetic biology and metabolic engineering approaches for production and regulation of antibiotics.
“…In essence, the labeled precursors are added to the growing culture of antibiotic-producing organism, which allows for their full or partial incorporation into the antibiotic molecule in the course of the biosynthesis. Antibiotic is then extracted, purified, and investigated with regard to incorporation of the labeled precursors (or parts thereof) by means of LC-MS/MS or NMR (48,49). In some cases, stereochemically labeled precursors shall be used to determine the biosynthetic origin of certain "building blocks" (50).…”
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