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Qu'est-ce (qui) est auxin - définition

CLASS OF PLANT HORMONES

Auxins; Rooting compound; Rooting hormone; Rooting powder; Synthetic auxin

auxin

['?:ks?n]

¦ noun a plant growth hormone which causes the elongation of cells in shoots.

Origin

1930s: coined in Ger. from Gk auxein 'to increase' + -in¹.

Polar auxin transport

PROTEINS THAT MEDIATE MOVEMENT OF AUXIN ACROSS MEMBRANES

Polar Auxin Transport

Polar auxin transport is the regulated transport of the plant hormone auxin in plants. It is an active process, the hormone is transported in cell-to-cell manner and one of the main features of the transport is its asymmetry and directionality (polarity).

https://en.wikipedia.org/wiki/Polar_auxin_transport

Operation Auxin

AUSTRALIAN POLICE OPERATION IN 2004

Operation Auxin was an Australian police operation in September 2004, leading to the arrest of almost 200 people on charges of child pornography. These people were all accused of purchasing child pornography over the Internet, using their credit cards, from Belarusian crime syndicates, the credit card payments having been processed by a company named Landslide.

https://en.wikipedia.org/wiki/Operation_Auxin

Wikipédia

Auxin

Auxins (plural of auxin ) are a class of plant hormones (or plant-growth regulators) with some morphogen-like characteristics. Auxins play a cardinal role in coordination of many growth and behavioral processes in plant life cycles and are essential for plant body development. The Dutch biologist Frits Warmolt Went first described auxins and their role in plant growth in the 1920s.Kenneth V. Thimann became the first to isolate one of these phytohormones and to determine its chemical structure as indole-3-acetic acid (IAA). Went and Thimann co-authored a book on plant hormones, Phytohormones, in 1937.

https://en.wikipedia.org/wiki/Auxin