Methyl Salicylate Level Increase in Flax after Fusarium oxysporum Infection Is Associated with Phenylpropanoid Pathway Activation

被引：32

作者：

Boba, Aleksandra ^{[1
]}

Kostyn, Kamil ^{[1
]}

Kostyn, Anna ^{[2
]}

Wojtasik, Wioleta ^{[1
,3
]}

Dziadas, Mariusz ^{[4
]}

Preisner, Marta ^{[1
]}

Szopa, Jan ^{[1
,3
]}

Kulma, Anna ^{[1
]}

机构：

[1] Univ Wroclaw, Fac Biotechnol, Wroclaw, Poland

[2] Univ Wroclaw, Dept Genet, Inst Genet & Microbiol, Wroclaw, Poland

[3] Wroclaw Univ Environm & Plant Sci, Fac Life Sci & Technol, Dept Genet Plant Breeding & Seed Prod, Wroclaw, Poland

[4] Med Univ Wroclaw, Dept Food Sci & Dietet, Wroclaw, Poland

来源：

FRONTIERS IN PLANT SCIENCE | 2017年 / 7卷

关键词：

flax; Fusarium oxysporum; benzoate; salicylic acid; phenylpropanoids; ARABIDOPSIS-THALIANA; INDUCED RESISTANCE; MEDIATED DEFENSE; AUXIN TRANSPORT; PLANT DEFENSE; FERULIC ACID; LIGNIN; BIOSYNTHESIS; GENE; GROWTH;

D O I：

10.3389/fpls.2016.01951

中图分类号：

Q94 [植物学];

学科分类号：

071001 ;

摘要：

Flax (Linum usitatissimum) is a crop plant valued for its oil and fiber. Unfortunately, large losses in cultivation of this plant are caused by fungal infections, with Fusanurn oxysporum being one of its most dangerous pathogens. Among the plant's defense strategies, changes in the expression of genes of the shikimate/phenylpropanoid/benzoate pathway and thus in phenolic contents occur. Among the benzoates, salicylic acid, and its methylated form methyl salicylate play an important role in regulating plants' response to stress conditions. Upon treatment of flax plants with the fungus we found that methyl salicylate content increased (4.8-fold of the control) and the expression profiles of the analyzed genes suggest that it is produced most likely from cinnamic acid, through the beta-oxidative route. At the same time activation of some genes involved in lignin and flavonoid biosynthesis was observed. We suggest that increased methyl salicylate biosynthesis during flax response to F. oxysporum infection may be associated with phenylpropanoid pathway activation.

引用

页数：12

共 63 条

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