Virulence of banana wilt-causing fungal pathogen Fusarium oxysporum tropical race 4 is mediated by nitric oxide biosynthesis and accessory genes
文献类型： 外文期刊
作者： Zhang, Yong 1 ; Liu, Siwen 2 ; Mostert, Diane 6 ; Yu, Houlin 1 ; Zhuo, Mengxia 2 ; Li, Gengtan 1 ; Zuo, Cunwu 2 ; Haridas, Sajeet 8 ; Webster, Katie 7 ; Li, Minhui 9 ; Grigoriev, Igor V. 8 ; Yi, Ganjun 2 ; Viljoen, Altus 6 ; Li, Chunyu 2 ; Ma, Li-Jun 1 ;
作者机构： 1.Univ Massachusetts, Dept Biochem & Mol Biol, Amherst, MA 01003 USA
2.Minist Agr & Rural Affairs, Key Lab South Subtrop Fruit Biol & Genet Resource, Guangzhou, Peoples R China
3.Guangdong Prov Key Lab Sci & Technol Res Fruit Tre, Guangzhou, Peoples R China
4.Guangdong Acad Agr Sci, Inst Fruit Tree Res, Guangzhou, Peoples R China
5.Guangdong Acad Agr Sci, Guangdong Lab Lingnan Modern Agr Maoming Subctr, Guangzhou, Peoples R China
6.Stellenbosch Univ, Dept Plant Pathol, Stellenbosch, South Africa
7.Univ Massachusetts, Plant Biol, Amherst, MA USA
8.Lawrence Berkeley Natl Lab, US Dept Energy Joint Genome Inst, Berkeley, CA USA
9.South China Agr Univ, Dept Plant Pathol, Guangdong Prov Key Lab Microbial Signals & Dis Con, Guangzhou, Peoples R China
10.Univ Calif Berkeley, Dept Plant & Microbial Biol, Berkeley, CA USA
11.NINDS, NIH, Bethesda, MD USA
12.Broad Inst MIT & Harvard, Cambridge, MA USA
期刊名称：NATURE MICROBIOLOGY （ 影响因子：20.5； 五年影响因子：21.0 ）
ISSN： 2058-5276
年卷期： 2024 年
页码：
收录情况： SCI
摘要： Fusarium wilt of banana, caused by Fusarium oxysporum f. sp. cubense (Foc), is one of the most damaging plant diseases known. Foc race 1 (R1) decimated the Gros Michel-based banana (Musa acuminata) trade, and now Foc tropical race 4 (TR4) threatens global production of its replacement, the Cavendish banana. Here population genomics revealed that all Cavendish banana-infecting Foc race 4 strains share an evolutionary origin distinct from that of R1 strains. Although TR4 lacks accessory chromosomes, it contains accessory genes at the ends of some core chromosomes that are enriched for virulence and mitochondria-related functions. Meta-transcriptomics revealed the unique induction of the entire mitochondrion-localized nitric oxide (NO) biosynthesis pathway upon TR4 infection. Empirically, we confirmed the unique induction of a NO burst in TR4, suggesting that nitrosative pressure may contribute to virulence. Targeted mutagenesis demonstrated the functional importance of fungal NO production and the accessory gene SIX4 as virulence factors.
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