Lignin is a polymer of aromatic subunits usually derived from phenylalanine. It serves as a
matrix around the polysaccharide components of some plant cell walls, providing additional …

Phenylalanine ammonia lyase (PAL; EC 4.3. 1.5), which catalyses the biotransformation of l-
phenylalanine to trans-cinnamic acid and ammonia, was first described in 1961 by Koukol …

Figure 1. The lignin biosynthetic pathway. This general pathway for lignin biosynthesis has
been inferred from studies of specific steps in severa1 diverse species. To reduce the …

Lignin, a complex heteropolymer of cinnamyl alcohols, is, second to cellulose, the most
abundant biopolymer on Earth. Lignification has played a determining role in the adaptation …

A rapid and substantial progress to a broad understanding of flavonoid biosynthesis marked
the previous reviews of this series of books (Hahlbrock and Grisebach, 1975; Ebel and …

Plant growth-promoting rhizobacteria (PGPR) bioformulations (Pseudomonas and Bacillus)
were tested for their efficacy against blister blight (Exobasidium vexans) disease in tea …

Phenylpropanoid derivatives are a complex class of secondary metabolites that have many
important roles in plants during normal growth and in responses to environmental stress …

Seven Bacillus plant growth-promoting rhizobacteria spp. were evaluated for growth
promotion and induced systemic resistance in rice against Xanthomonas oryzae pv. oryzae …

L-Phenylalanine is one of the essential amino acids that cannot be synthesized in mammals
in adequate amounts to meet the requirements for protein synthesis. Fungi and plants are …

Main conclusion Medicinal and aromatic plants are known to produce secondary
metabolites that find uses as flavoring agents, fragrances, insecticides, dyes and drugs …