Upgrading of the genetic engineering toolkit accelerated the discovery process of the virulence effect of PsGH7d on Phytophthora sojae invasion.

IF 5.4 2区 生物学 Q1 PLANT SCIENCES
Changqing Liu, Xinwei Tan, Jiayu Wang, Yujing Sun, Qian Xu, Chao Han, Qunqing Wang
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引用次数: 0

Abstract

The genus of Phytophthora includes numerous phytopathogens that have devastating impacts on agricultural production. However, the limited availability of selection markers for numerous pathogenicity pathogens of the genus Phytophthora genetic transformation hinders further research on their pathogenic functional genes. Here we report a gene of NAT I, which serves as a novel selection marker for the Phytophthora sojae transformation. Additionally, we developed a new genetic manipulation toolkit based on vectors containing NAT I, which facilitates gene editing in P. sojae. With the toolkit, the gene PsGH7d of P. sojae, which encodes a glycosyl hydrolase, was edited consecutively via the CRISPR/Cas9 system to obtain gene knockout and enzymatic active site mutation strains. The pathogenicity analysis of these transformants revealed that PsGH7d is a virulence factor dependent on its bifunctional glucanase-xylanase activities. This study develops an updated toolkit for the genus Phytophthora genetic transformation and provides initial insights into the virulence of the bifunctional enzyme PsGH7d.

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来源期刊
Physiologia plantarum
Physiologia plantarum 生物-植物科学
CiteScore
11.00
自引率
3.10%
发文量
224
审稿时长
3.9 months
期刊介绍: Physiologia Plantarum is an international journal committed to publishing the best full-length original research papers that advance our understanding of primary mechanisms of plant development, growth and productivity as well as plant interactions with the biotic and abiotic environment. All organisational levels of experimental plant biology – from molecular and cell biology, biochemistry and biophysics to ecophysiology and global change biology – fall within the scope of the journal. The content is distributed between 5 main subject areas supervised by Subject Editors specialised in the respective domain: (1) biochemistry and metabolism, (2) ecophysiology, stress and adaptation, (3) uptake, transport and assimilation, (4) development, growth and differentiation, (5) photobiology and photosynthesis.
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