polygalacturonase

polygalacturonase
Abbreviation: PG
An enzyme which catalyses the breakdown of pectin. A tomato engineered to contain an antisense-PG gene succeeded in delaying the onset of softening, by inhibiting the expression of PG. This allowed the fruit to be picked at a riper stage than is conventionally possible, and represented the first commercialized genetically engineered crop plant.

Glossary of Biotechnology for Food and Agriculture . 2015.

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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

  • polygalacturonase — noun Any enzyme that catalyses the hydrolysis of polymeric galacturonic acids and similar carbohydrates Syn: pectinase …   Wiktionary

  • polygalacturonase — Pectin depolymerase; an enzyme catalyzing the random hydrolysis of 1,4 α d galactosiduronic linkages in pectate and other galacturonans. SYN: pectinase. * * * poly·ga·lac·tu·ro·nase .ga .lak t(y)u̇r ə .nās, gə lak tyər ə , .nāz n an enzyme that… …   Medical dictionary

  • polygalacturonase — poly·galac·tu·ro·nase …   English syllables

  • polygalacturonase — ˌpälēˌgaˌlakˈt(y)u̇rəˌnās, lə̇g , gəˈlaktyər , āz noun ( s) Etymology: poly + galacturonic + ase : an enzyme that hydrolyzes the glycosidic linkages of polymerized galacturonic acids (as pectic acid) and that occurs especially in microorganisms… …   Useful english dictionary

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