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Acta Botanica Gallica
Botany Letters
Volume 156, 2009 - Issue 2
555
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Original Articles

Polyphenol levels in two cotton (Gossypium hirsutum L.) callus cultures

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Pages 223-231 | Received 27 Feb 2008, Accepted 05 Jun 2008, Published online: 26 Apr 2013
 

Abstract

We study the production of polyphenols by callus cultures from two cultivars of cotton (Gossypium hirsutum L.). Coker 312 produces the best calli and has embryogenic potential contrary to that of R405-2000, which is non- embryogenic. There is a relationship between the level of phenolic compounds and the callus cultures. Callogenesis in Coker 312 is highly correlated to a higher content of catechin, caffeic acid, ferulic acid, rutin, o—coumaric acid and salicylic acid. On the other hand, the cinnamic acid derivates (trans-cinnamic, cis and trans—methoxycinnamic acids) found in high amounts in R405-2000 calli could have a negative influence on the induction of cotton callogenesis.

Résumé

Nous avons étudié la production en polyphénols de cultures en cal de deux variétés de cotonnier (Gossypium hirsutum L.). La variété Coker 312 produit les meilleurs cals et possède des potentialités embryogènes, contrairement à la variété R405-200 qui est non embryogène. Nous avons mis en évidence une relation entre les teneurs en composés polyphénoliques et les cals cultivés. La callogénèse chez Coker 312 est fortement corrélée avec une plus forte teneur en catéchine, acide caféique, acide ferulique, rutine, acide ortho- coumarique et acide salicylique. Par contre, les dérivés de l'acide cinnamique (acides trans-cinnamique, cis and trans-methoxycinnamique), présents en grande quantité dans les cals de R405-2000, pourraient avoir une influence négative sur l'induction de la callogénèse chez le cotonnier.

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