Inhibitory effect of L-methionine on bacterial speck of tomato

被引：0

作者：

Sakamoto, Ayane ^{[1
]}

Tanaka, Tomoya ^{[2
]}

Nakashita, Hideo ^{[2
]}

Nakajima, Masami ^{[1
]}

机构：

[1] Ibaraki Univ, Grad Sch Agr, Ibaraki 3000393, Japan

[2] Fukui Prefectural Univ, Grad Sch Biosci & Biotechnol, Fukui 9101195, Japan

来源：

JOURNAL OF GENERAL PLANT PATHOLOGY | 2025年 / 91卷 / 01期

关键词：

<sc>L</sc>-methionine; Pseudomonas syringae pv. tomato; Tomato bacterial speck; Priming; GENE-EXPRESSION; RALSTONIA-SOLANACEARUM; DISEASE RESISTANCE; DEFENSE; ACID; ACTIVATION; VIRULENCE; PLANTS;

D O I：

10.1007/s10327-024-01205-0

中图分类号：

Q94 [植物学];

学科分类号：

071001 ;

摘要：

L-Methionine (L-Met) is an amino acid necessary for protein biosynthesis. In this study of the inhibitory effect of L-Met on bacterial speck of tomato (Pseudomonas syringae pv. tomato: PST), leaves of tomato plants were pretreated with L-Met, then inoculated with PST. Symptoms were less severe compared with the control, bacterial populations in inoculated leaves of L-Met-treated plants were lower than in inoculated leaves of the untreated. Quantifying the expression of PR1b, a marker gene for the salicylic acid (SA) signaling pathway, in L-Met-treated plants after PST inoculation showed that PR1b expression was greater than in the untreated plants. These observations suggest that the inhibitory effect of L-Met treatment on bacterial speck of tomato may be due to priming of the SA-related signaling pathway.

引用

页码：18 / 23

页数：6

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