Rutin promoted resistance of tomato against Xanthomonas perforans

被引：10
|
作者：
Farahani, Ali Safaie [1 ]
Taghavi, S. Mohsen [1 ]
机构：
[1] Shiraz Univ, Dept Plant Protect, Coll Agr, Shiraz, Iran
来源：
EUROPEAN JOURNAL OF PLANT PATHOLOGY | 2018年 / 151卷 / 02期
关键词：
Bacterial spot; Lox; Pal; PR-5; Rutin; BACTERIAL SPOT; PLANT; FLAVONOIDS; LIPOXYGENASES; EXPRESSION; STRESS;
D O I：
10.1007/s10658-017-1374-7
中图分类号：
S3 [农学（农艺学）];
学科分类号：
0901 ;
摘要：
Xanthomonas perforans is the causal agent of bacterial spot, one of the most devastating diseases of tomato that results in considerable yield losses worldwide. Rutin, as a polyphenolic substance, was used to induce resistance in tomato against X. perforans. Rutin at concentration of 2 mM had ability to reduce the disease severity of bacterial spot. On the other hand, 2 mM rutin had no antibacterial activity in vitro. Expression profiling of pathogenesis-related gene 5 (PR-5), Phenylalanine ammonia-lyase (PAL) and lipoxygenase (LOX) was probed during the enhanced resistance by rutin. Pretreatment with rutin (rutin/ X. perforans) led to induction of PR-5, PAL and LOX compared to controls (water/ X. perforans). Our results suggest that rutin-induced resistance against X. perforans in tomato might be mediated through stimulation of some defense genes such as PR-5, PAL and LOX.
引用
收藏
页码：527 / 531
页数：5
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