These included 2 fatty aldehydes; nonanal (16) and 2E-decenal (20); 2 fatty alcohols, lignocerol (68) and pentacosyl alcohol (73); four isoprenoids
, phytane (36), iso-phytol (42), hexahydrofarnesyl acetone (43), and E-phytol (57), and 2 phytosterols, O-Sitosterol (79) and fucosterol (81).
25] regular isoprenoids
are absent or are present in traces only, 8-methyl-2-methyl-2-(4,8,12-tri-methyltridecyl) chroman is absent, extended homohopanes above [C.
DEINOCHEM first targets isoprenoids
, which constitute one of the families of the most diverse natural substances (over 22,000 isoprenoid
compounds are listed to date).
In overcast skies the contribution of diffuse radiation to emission of isoprenoids
may be even larger and exceed the contribution of direct radiation.
The total ion chromatogram (TIC) extracted from GCFID of oily sludge from T1 to T6 composed of n-alkanes ranged from nC10 to nC34 with traces of isoprenoids
such as pristane and phytane.
Regulatory mechanism of HMGS in plants: HMGS participates in the synthesis of precursors of isoprenoids
and provides reactive substrates for HMGR.
The MP has been reported as a metabolic sequence modulated by isoprenoids
(Mo and Elson 2004; Ong et al.
This may be explained by the antioxidant effects of simvastatin, as a result of inhibition of mevalonate pathway causing a significant reduction in the biosynthesis of important intermediates, like isoprenoids
, which act as a lipid attachment/anchoring for intracellular signaling molecules, particularly the inhibition of the small GTPase binding proteins whose proper membrane localization and function are dependent on isoprenylation.
These compounds have been divided into two major groups isoprenoids
A good example is Amyris Biotechnolgies, founded in 2003, which has been working on a class of hydrocarbons called isoprenoids
as a substitute for petrol.
Biosynthesis of isoprenoids
(carotenoids, sterols, prenyl side-chains of chlorophylls and plastoquinone) via a novel pyruvate/glyceraldehydes 3-phosphate non-mevalonate pathway in the green alga Scenedesmus obliquus.
Scientists and engineers in biochemistry, biotechnology, and related fields survey developments and prospects for producing biofuel molecules such as hydrogen, methane, ethanol, butanol, higher chain alcohols, isoprenoids
, and fatty acid derivatives by metabolically engineered microbes such as bacteria, yeast, and microalgae.