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259 results on '"Zhang, Zhanquan"'

55. Botrytis cinerea.

Author

Chen, Tong, Zhang, Zhanquan, Chen, Yong, Li, Boqiang, and Tian, Shiping

Subjects
*BOTRYTIS cinerea, *PHYTOPATHOGENIC microorganisms
Abstract

Chen, Zhang et al. introduce the necrotrophic fungal plant pathogen Botrytis cinerea more commonly known as gray mold. [ABSTRACT FROM AUTHOR]

Published
2023
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62. List of contributors

Author

Ali, Sajid, Ayala-Zavala, Jesús F., Bartoli, C.G., Chen, Tong, Chen, Yong, Corpas, Francisco J., Ejaz, Shaghef, Enciso-Martínez, Yessica, Galatro, A., Ganganelli, I., Gergoff Grozeff, G.E., González-Gordo, Salvador, González-Pérez, Cristóbal J., Hancock, John T., Herrera-Balandrano, Daniela D., Hu, Kangdi, Huang, Dandan, Jing, Guangqin, Karagiannis, Evangelos, Laborda, Pedro, LeBaron, Tyler W., Li, Boqiang, Liao, Weibiao, Liu, Zhiya, Liu, Feng-Quan, Luo, Yanyan, May, Jennifer, Molinett, Sebastian, Nawaz, Aamir, Naz, Safina, Ochoa-Meza, Laura C., Palma, José M., Petřivalský, Marek, Russell, Grace, Senn, M.E., Sugich-Miranda, Rocío, Tapia-Rodríguez, Melvin R., Thomas, Adam, Tian, Shiping, Wang, Su-Yan, Zhang, Hua, Zhang, Zhanquan, Zhu, Shuhua, Ziogas, Vasileios, and Zulfiqar, Faisal

Published
2023
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63. Organic acid, a virulence factor for pathogenic fungi, causing postharvest decay in fruits.

Author

Jiao, Wenxiao, Liu, Xin, Li, Youyuan, Li, Boqiang, Du, Yamin, Zhang, Zhanquan, Chen, Qingmin, and Fu, Maorun

Subjects
PATHOGENIC fungi, ORGANIC acids, SCLEROTINIA sclerotiorum, BOTRYTIS cinerea, POSTHARVEST diseases, MYCOSES
Abstract

Decay due to fungal infection is a major cause of postharvest losses in fruits. Acidic fungi may enhance their virulence by locally reducing the pH of the host. Several devastating postharvest fungi, such as Penicillium spp., Botrytis cinerea, and Sclerotinia sclerotiorum, can secrete gluconic acid, oxalic acid, or citric acid. Emerging evidence suggests that organic acids secreted by acidic fungi are important virulence factors. In this review, we summarized the research progress on the biosynthesis of organic acids, the role of the pH signalling transcription factor PacC in regulating organic acid, and the action mechanism of the main organic acid secreted via postharvest pathogenic fungi during infection of host tissues. This paper systematically demonstrates the relationships between tissue acidification and postharvest fungal pathogenicity, which will motivate the study of host–pathogen interactions and provide a better understanding of virulence mechanisms of the pathogens so as to design new technical strategies to prevent postharvest diseases. [ABSTRACT FROM AUTHOR]

Published
2022
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77. Application of Intraoperative O-Arm-Assisted Real-Time Navigation Technique for Spinal Fixation

Author

Sun, Zhenxing, primary, Yuan, Dan, additional, Sun, Yaxing, additional, Zhang, Zhanquan, additional, Wang, Guihuai, additional, Guo, Yi, additional, Wang, Guoqin, additional, Liu, Dongkang, additional, Chen, Peng, additional, Jing, Linkai, additional, Yang, Feng, additional, Zhang, Peihai, additional, Zhang, Huifang, additional, Wu, Youtu, additional, Shi, Wei, additional, and Wang, James, additional

Published
2017
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78. Surgical Resection of a Cervical Intramedullary Schwannoma: A Case Report and Literature Review

Author

Zhang, Peihai, primary, Sun, Zhenxing, additional, Yuan, Dan, additional, Sun, Yaxing, additional, Zhang, Zhanquan, additional, Wang, James, additional, Guo, Yi, additional, Wang, Guoqin, additional, Liu, Dongkang, additional, Chen, Peng, additional, Jing, Linkai, additional, Yang, Feng, additional, Zhang, Huifang, additional, Shi, Wei, additional, and Wang, Guihuai, additional

Published
2017
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84. Fluorescein sodium use during spinal ependymoma resection

Author

Sun, Zhenxing, primary, Yuan, Dan, additional, Sun, Yaxing, additional, Zhang, Zhanquan, additional, Wang, James, additional, Guo, Yi, additional, Wang, Guoqin, additional, Liu, Dongkang, additional, Chen, Peng, additional, Jing, Linkai, additional, Yang, Feng, additional, Zhang, Peihai, additional, Zhang, Huifang, additional, Wu, Youtu, additional, Shi, Wei, additional, and Wang, Guihuai, additional

Published
2017
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87. Dissection of patulin biosynthesis, spatial control and regulation mechanism in Penicillium expansum.

Author

Li, Boqiang, Chen, Yong, Zong, Yuanyuan, Shang, Yanjiao, Zhang, Zhanquan, Xu, Xiaodi, Wang, Xiao, Long, Manyuan, and Tian, Shiping

Subjects
FUNGAL metabolites, APPLE blue mold, BIOSYNTHESIS
Abstract

Summary: The patulin biosynthesis is one of model pathways in an understanding of secondary metabolite biology and network novelties in fungi. However, molecular regulation mechanism of patulin biosynthesis and contribution of each gene related to the different catalytic enzymes in the biochemical steps of the pathway remain largely unknown in fungi. In this study, the genetic components of patulin biosynthetic pathway were systematically dissected in Penicillium expansum, which is an important fungal pathogen and patulin producer in harvested fruits and vegetables. Our results revealed that all the 15 genes in the cluster are involved in patulin biosynthesis. Proteins encoded by those genes are compartmentalized in various subcellular locations, including cytosol, nucleus, vacuole, endoplasmic reticulum, plasma membrane and cell wall. The subcellular localizations of some proteins, such as PatE and PatH, are required for the patulin production. Further, the functions of eight enzymes in the 10‐step patulin biosynthetic pathway were verified in P. expansum. Moreover, velvet family proteins, VeA, VelB and VelC, were proved to be involved in the regulation of patulin biosynthesis, but not VosA. These findings provide a thorough understanding of the biosynthesis pathway, spatial control and regulation mechanism of patulin in fungi. [ABSTRACT FROM AUTHOR]

Published
2019
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88. The pH‐responsive PacC transcription factor plays pivotal roles in virulence and patulin biosynthesis in Penicillium expansum.

Author

Chen, Yong, Li, Boqiang, Xu, Xiaodi, Zhang, Zhanquan, and Tian, Shiping

Subjects
PH effect, PHOSPHATASES, TRANSCRIPTION factors, PATULIN, MICROBIAL virulence, BIOSYNTHESIS, APPLE blue mold
Abstract

Summary: The PacC (loss or reduction in phosphatase activity at acid but not at alkaline pH [Pac]) transcription factor regulates environmental adaptation, secondary metabolism and virulence in many fungal pathogens. Here, we report the functions of PacC in Penicillium expansum, a postharvest pathogenic fungus in horticultural crops, and ascertain that the gene expression and proteolytic processing of PePacC are strictly pH‐dependent. Loss of PePacC resulted in an obvious decrease in growth and conidiation of P. expansum cultured in both acidic and alkaline conditions. The ΔPePacC mutant lost the ability of patulin production at pH values above 6.0 because expressions of all the genes in patulin cluster were significantly down‐regulated. Additionally, virulence of the ΔPePacC mutant was obviously reduced in pear and apple fruits. Proteome analysis revealed that PePacC could function as an activator or repressor for different target proteins, including calreticulin (PeCRT) and sulfate adenylyltransferase (PeSAT), which were further proved to be involved in virulence of P. expansum. Our results demonstrate important roles for PePacC in patulin biosynthesis via limiting expressions of the genes in the cluster, and in pathogenesis via mediating a known virulence factor glucose oxidase (PeGOD) and new virulence factors, such as PeCRT and PeSAT. [ABSTRACT FROM AUTHOR]

Published
2018
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95. Catalytic removal of soot particles over MnCo2O4 catalysts prepared by the auto-combustion method.

Author

Liu, Huanrong, Zhuang, Mengqi, Zhang, Zhanquan, Dai, Xiaodong, Qian, Ling, and Yan, Zifeng

Abstract

Soot removal for exhaust gas from diesel engine has been addressed due to the more stringent legislation and environmental concerns. MnCo2O4 catalysts were systematically prepared using glucose as a fuel via the auto-combustion method and applied for soot removal. The as-prepared samples were characterized by X-ray diffraction (XRD), O2-temperature-programmed oxidation (TPO) reaction and H2-temperature-programmed reduction reaction (H2-TPR). The catalytic activities for soot combustion were evaluated by micro activity test (MAT) with a tight contact mode between soot and catalysts. Compared with catalysts prepared by the solid state method without glucose, auto-combustion method in the presence of glucose can decrease the synthetic temperature, avoiding high temperature treatment and sintering. The catalysts prepared with glucose could catalyze soot oxidation effectively and the derived values of T10, T50, and T90 were 326, 408, and 468 °C in a tight contact mode, respectively, showing a significant drop of T10, T50, and T90 by 156, 177, and 178 °C for non-catalytic reaction. [ABSTRACT FROM AUTHOR]

Published
2018
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