Identification of Berberis spp. as Alternate Hosts for Puccinia achnatheri-sibirici Under Controlled Conditions and Morphologic Observations of Sexual Stage Development of the Rust Fungus

Ma, Xinyao; Liu, Yao; Li, Qiao; Tian, Xiaxia; Du, Zhimin; Kang, Zhensheng; Zhao, Jie

doi:10.3389/fmicb.2020.01278

Cited by 3 publications

(2 citation statements)

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“…The first axis represents 27.63% and the second represents 23.92% of the total genetic differences between the individual isolates. P. arrhenatheri (Naef et al, 2002), P. achnatheri-sibirici (Ma et al, 2020), P. brachypodii (Payak, 2010), P. pygmaea, P. montanensis, P. brachypodii-phoenicoidis (Cummins and Greene, 1966), and P. striiformis formae speciales, including f. sp. hordei on barley, f. sp.…”

Section: Discussionmentioning

confidence: 99%

Phenotyping and Genotyping Analyses Reveal the Spread of Puccinia striiformis f. sp. tritici Aeciospores From Susceptible Barberry to Wheat in Qinghai of China

Chen

Zhang

et al. 2021

Front. Plant Sci.

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Puccinia striiformis f. sp. tritici Eriks., the cause of wheat yellow or stripe rust on wheat, undergoes sexual reproduction on barberry, but it is unclear if barberry plays any role in stripe rust epidemics under natural conditions. P. striiformis f. sp. tritici was isolated from its alternate host barberry (Berberis spp.) and primary host wheat in the vicinity of barberry by inoculation of aeciospores and urediniospores on Mingxian 169 cultivar in Qinghai province of China in 2018. The P. striiformis f. sp. tritici isolates from barberry and wheat were characterized to virulence patterns by inoculation on 24 differentials bearing Yr gene under control conditions and analyzed using 12 polymorphic simple sequence repeat (SSR) markers. The occurrence frequency of P. striiformis f. sp. tritici on barberry was 1.87% by inoculation aecia, collected from barberry on Mingxian 169 of wheat. A close virulence relationship was presented between P. striiformis f. sp. tritici isolates from both barberry and wheat based on virulence simple matching coefficient and principal coordinates analysis (PCoA). Additionally, the same genetic ancestry, based on structure analysis by STRUCTURE program and genetic relationship analyses using discriminant analysis of principal components and PCoA, was shared between P. striiformis f. sp. tritici isolates from barberry and those from wheat. Together, all the results indicated that the role of barberry in providing aeciospores as an inoculum source causing wheat stripe rust epidemic in Qinghai in spring is of considerable importance.

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Section: Discussionmentioning

confidence: 99%

Phenotyping and Genotyping Analyses Reveal the Spread of Puccinia striiformis f. sp. tritici Aeciospores From Susceptible Barberry to Wheat in Qinghai of China

Chen

Zhang

et al. 2021

Front. Plant Sci.

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“…For confocal microscopy observation, the bacterial suspension was spread onto a clean glass slide and placed on an Olympus FV3000 confocal microscope for examination. For scanning electron microscopy observation, 30 the bacteria were collected by centrifugation at 3000 × g for 2 min and resuspended in PBS buffer. Then, the suspended bacterial droplets were added to a 0.2 mm thick, 5.0 mm diameter glass sheet and allowed to adhere for 5 min in a fume hood to facilitate the adhesion of the bacteria.…”

Section: Experimental Biological Materialsmentioning

confidence: 99%

Streptothricin-F Inhibition of FtsZ Function: A Promising Approach for Controlling Pseudomonas syringae pv. actinidiae

Wang,

Mi,

Mao

et al. 2024

J. Agric. Food Chem.

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Pseudomonas syringae pv. actinidiae (Psa) is a significant pathogenic bacterium affecting the kiwifruit industry. This study investigated the target sites of streptothricin-F (ST-F), produced by Streptomyces lavendulae gCLA4. The inhibition of ST-F on Psa was examined by the microscopic structural differences of Psa before and after treatment with ST-F, as well as the interaction between ST-F and cell division-related proteins. The results revealed filamentation of Psa after ST-F treatment, and fluorescence microscopy showed that ST-F inhibited the formation of the Z-ring composed of FtsZ protein. In vitro experiments and molecular docking demonstrated that ST-F can bind to FtsZ with a binding energy of 0.4 μM and inhibit FtsZ's GTP-dependent polymerization reaction. In addition, ST-F does not exert inhibitory effects on cell division in Psa strains overexpressing f tsZ. In conclusion, FtsZ is one of the target sites for ST-F inhibition of Psa, highlighting its potential as a therapeutic target for controlling Psa-induced kiwifruit bacterial canker.

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Environmental conditions affecting the germination of Puccinia hemerocallidis urediniospores

et al. 2023

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Identification of Berberis spp. as Alternate Hosts for Puccinia achnatheri-sibirici Under Controlled Conditions and Morphologic Observations of Sexual Stage Development of the Rust Fungus

Abstract: Identification of Berberis spp. as Alternate Hosts for Puccinia achnatheri-sibirici Under Controlled Conditions and Morphologic Observations of Sexual Stage Development of the Rust Fungus.

Cited by 3 publications

References 20 publications

Phenotyping and Genotyping Analyses Reveal the Spread of Puccinia striiformis f. sp. tritici Aeciospores From Susceptible Barberry to Wheat in Qinghai of China

Phenotyping and Genotyping Analyses Reveal the Spread of Puccinia striiformis f. sp. tritici Aeciospores From Susceptible Barberry to Wheat in Qinghai of China

Streptothricin-F Inhibition of FtsZ Function: A Promising Approach for Controlling Pseudomonas syringae pv. actinidiae

Environmental conditions affecting the germination of Puccinia hemerocallidis urediniospores

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