noun
definition
A complex non-carbohydrate aromatic polymer present in all wood.
Examples of lignin in a Sentence
We anticipate that these results should reveal important insights into the regulation of lignin accumulation.
Although the pathway for lignin biosynthesis was outlined many years ago, important basic features are still poorly understood.
Extensive efforts have been made to genetically modify trees so that they have reduced lignin to facilitate pulp production.
This contains lignin which is acidic and destroys the paper from within.
Wood is made from cellulose fibers that are bound together by a material called lignin.
How do I stain a plant section to show lignin?
However, Arabidopsis plants modified in the metabolic pathway leading to lignin formation produced abnormal lignin that was associated with severe fungal attacks.
Alfalfa selected for forage quality (including reduced lignin) had reduced vigor but was not expected to affect levels of disease resistance.
Furthermore, smooth brome grass clones selected using conventional breeding showed that reduced lignin was associated with severe rust fungus disease [23] .
Trees genetically modified to produce low lignin are called " super " trees with little consideration of pest resistance and genetic stability.
Is a tree with less lignin better or worse than a normal one?
Increased lignin leads to a build-up of undigested plant material in the soil.
Modifying plants with a gene enhancing the proportion of guaiacyl-syringyl lignin therefore provides a lignin more readily degraded by chemicals or enzymes.
The hollow tubes of xylem tissue are usually strengthened with lignin, the woody material we are familiar with in trees and shrubs.
The pulp is also tested to make sure it is free of lignin, a chemical compound that naturally occurs in plant fibers.
Lignin is vulnerable to certain fungi and bacteria.
The binders come with a 3-3/4 x 3-3/4-inch photo window on the front, and they are acid, lignin and PVC safe.
Cardstock is acid and lignin free and comes in bound pads of coordinating colors.