Secreted in Xylem (SIX) Gene SIX9 Is Highly Conserved in Fusarium oxysporum f. sp. vasinfectum Race 4 Isolates from Cotton in the United States

被引：2
作者：
Jobe, Timothy O. [1 ]
Urner, Michael [2 ]
Ulloa, Mauricio [1 ]
Broders, Kirk [3 ]
Hutmacher, Robert B. [4 ]
Ellis, Margaret L. [2 ]
机构：
[1] USDA ARS, Plains Area, Cropping Syst Res Lab, Plant Stress & Germplasm Dev Res, Lubbock, TX 79415 USA
[2] Calif State Univ Fresno, Dept Plant Sci, Fresno, CA 93740 USA
[3] ARS, USDA, Natl Ctr Agr Utilizat Res, Mycotoxin Prevent & Appl Microbiol Res Unit, 1815 N Univ, Peoria, IL 61604 USA
[4] Univ Calif Davis, Plant Sci Dept, Davis, CA 95616 USA
来源：
PHYTOFRONTIERS | 2024年 / 4卷 / 04期
关键词：
cotton; Fusarium oxysporum f. sp. vasinfectum; Fusarium wilt; Gossypium; pathogen diversity; race; 4; VEGETATIVE COMPATIBILITY GROUPS; MELOIDOGYNE-INCOGNITA; PATHOGENICITY; WILT; POPULATION; CALIFORNIA; DIVERSITY; AUSTRALIA; COMPLEX;
D O I：
10.1094/PHYTOFR-11-23-0143-SC
中图分类号：
Q94 [植物学];
学科分类号：
071001 ;
摘要：
Many Fusarium oxysporum formae speciales produce small, infection-dependent effector proteins called "secreted in xylem" (SIX) proteins. These proteins are secreted into the xylem of a plant during the infection process and are thought to promote virulence. In this study, a collection of Fusarium oxysporum isolates composed primarily of different races of Fusarium oxysporum f. sp. vasinfectum (FOV) was screened for the presence of 14 SIX effector genes (SIX1 to SIX14). Our results showed that some of the most virulent FOV races, FOV4 and FOV7, share a common SIX effector: SIX9. This effector is largely absent in other FOV races in North America, making SIX9 a potential target for rapid detection of these highly virulent FOV strains and enabling race-specific FOV quantification in infected host plants.
引用
收藏
页码：476 / 481
页数：6
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