gibberellin

American  

[jib-uh-rel-in] / ˌdʒɪb əˈrɛl ɪn /

noun

Biochemistry.

1. any of a class of growth hormones occurring in fungi and plants.

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gibberellin British  

/ ˌdʒɪbəˈrɛlɪn /

noun

1. any of several plant hormones, including gibberellic acid, whose main action is to cause elongation of the stem: used in promoting the growth of plants, in the malting of barley, etc

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gibberellin Scientific  

/ jĭb′ə-rĕl′ĭn /

1. Any of numerous plant hormones, especially gibberellic acid, that promote stem elongation. The seeds, young shoots, and roots of plants contain gibberellins, and they are also found in fungi.

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Etymology

Origin of gibberellin

1935–40; < New Latin Gibberell ( a ) ( gibberellic acid ) + -in ²

Example Sentences

They figured out how to suppress corn genes that code for enzymes known as gibberellin 20 oxidases, which put the biochemical finishing touches on the hormone in particular parts of the plant.

From Science Magazine

The activation of this cell division and elongation process requires the growth hormone gibberellin.

From Nature

Maturing female ferns express some genes that begin the production of gibberellin, but add a methyl ester chemical group to the precursor molecule before secreting it into the wet forest floor.

From Nature

First, gibberellin levels increase and stimulate production of key flowering factors, one of which degrades gibberellin.

From Science Magazine

To speed up the process, Bayer and other companies are working on short corn made with gene editing, an approach that can alter gibberellin without adding genes from other species.

From Science Magazine