Plant cell wall polysaccharide consisting predominantly of galacturonic acid. May also contain some rhamnose, arabinose and galactose. Those with significant amounts of rhamnose are termed rhamnogalacturonans. Found in the pectin fraction of the wall.

Dictionary of molecular biology. 2004.

Игры ⚽ Поможем решить контрольную работу

Look at other dictionaries:

  • polygalacturonase — Enzyme that degrades polygalacturonan by hydrolysis of the glycosidic bonds that link galacturonic acid residues. Important in fruit ripening and in fungal and bacterial attack on plants …   Dictionary of molecular biology

Share the article and excerpts

Direct link
Do a right-click on the link above
and select “Copy Link”