Journal of Microbiology

Review

MAPK Cascades in Plant Microbiota Structure and Functioning: Thijs Van Gerrewey, Hoo Sun Chung; J. Microbiol. 2024;62(3):231-248. Published online April 8, 2024; DOI: https://doi.org/10.1007/s12275-024-00114-3

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Mitogen-activated protein kinase (MAPK) cascades are highly conserved signaling modules that coordinate diverse biological processes such as plant innate immunity and development. Recently, MAPK cascades have emerged as pivotal regulators of the plant holobiont, infuencing the assembly of normal plant microbiota, essential for maintaining optimal plant growth and health. In this review, we provide an overview of current knowledge on MAPK cascades, from upstream perception of microbial stimuli to downstream host responses. Synthesizing recent fndings, we explore the intricate connections between MAPK signaling and the assembly and functioning of plant microbiota. Additionally, the role of MAPK activation in orchestrating dynamic changes in root exudation to shape microbiota composition is discussed. Finally, our review concludes by emphasizing the necessity for more sophisticated techniques to accurately decipher the role of MAPK signaling in establishing the plant holobiont relationship.

Citations

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Lipid transfer protein VAS inhibits the hypersensitive response via reactive oxygen species signaling in Nicotiana benthamiana
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Microorganisms.2025; 13(3): 506. CrossRef
Genome-wide identification and unveiling the role of MAP kinase cascade genes involved in sugarcane response to abiotic stressors
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BMC Plant Biology.2025;[Epub] CrossRef
Comparative transcriptome and co-expression network reveals key genes associated with mesocotyl elongation in foxtail millet (Setaria italica)
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Journal Articles

Genome Sequencing Highlights the Plant Cell Wall Degrading Capacity of Edible Mushroom Stropharia rugosoannulata: Mengpei Guo , Xiaolong Ma , Yan Zhou , Yinbing Bian , Gaolei Liu , Yingli Cai , Tianji Huang , Hongxia Dong , Dingjun Cai , Xueji Wan , Zhihong Wang , Yang Xiao , Heng Kang; J. Microbiol. 2023;61(1):83-93. Published online February 1, 2023; DOI: https://doi.org/10.1007/s12275-022-00003-7

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Abstract

The basidiomycetous edible mushroom Stropharia rugosoannulata has excellent nutrition, medicine, bioremediation, and biocontrol properties. S. rugosoannulata has been widely and easily cultivated using agricultural by-products showing strong lignocellulose degradation capacity. However, the unavailable high-quality genome information has hindered the research on gene function and molecular breeding of S. rugosoannulata. This study provided a high-quality genome assembly and annotation from S. rugosoannulata monokaryotic strain QGU27 based on combined Illumina-Nanopore data. The genome size was about 47.97 Mb and consisted of 20 scaffolds, with an N50 of 3.73 Mb and a GC content of 47.9%. The repetitive sequences accounted for 17.41% of the genome, mostly long terminal repeats (LTRs). A total of 15,726 coding gene sequences were putatively identified with the BUSCO score of 98.7%. There are 142 genes encoding plant cell wall degrading enzymes (PCWDEs) in the genome, and 52, 39, 30, 11, 8, and 2 genes related to lignin, cellulose, hemicellulose, pectin, chitin, and cutin degradation, respectively. Comparative genomic analysis revealed that S. rugosoannulata is superior in utilizing aldehyde-containing lignins and is possible to utilize algae during the cultivation.

Citations

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Analysis of Gene Regulatory Network and Transcription Factors in Different Tissues of the Stropharia rugosoannulata Fruiting Body
Jia Lu, Jing Yan, Na Lu, Jiling Song, Jiayao Lin, Xiaohua Zhou, Xuebing Ying, Zhen Li, Zufa Zhou, Fangjie Yao
Journal of Fungi.2025; 11(2): 123. CrossRef
Evaluation of Genetic Diversity and Agronomic Traits of Germplasm Resources of Stropharia rugosoannulata
Miao Gu, Qiang Chen, Yan Zhang, Yongchang Zhao, Li Wang, Xiangli Wu, Mengran Zhao, Wei Gao
Horticulturae.2024; 10(3): 213. CrossRef
Molecular Profiling of Rice Straw Degradability Discrepancy in Stropharia rugosoannulata Core Germplasm
Wenbing Gong, Yuyu Zeng, Xinru Li, Zhidong Zhao, Nan Shen, Yan Zhou, Yinbing Bian, Yang Xiao
Journal of Agricultural and Food Chemistry.2024; 72(45): 25379. CrossRef
Genome assembly of M. spongiola and comparative genomics of the genus Morchella provide initial insights into taxonomy and adaptive evolution
Qing Meng, Zhanling Xie, Hongyan Xu, Jing Guo, Qingqing Peng, Yanyan Li, Jiabao Yang, Deyu Dong, Taizhen Gao, Fan Zhang
BMC Genomics.2024;[Epub] CrossRef

Cot kinase plays a critical role in Helicobacter pylori-induced IL-8 expression: Sungil Jang , Jinmoon Kim , Jeong-Heon Cha; J. Microbiol. 2017;55(4):311-317. Published online March 31, 2017; DOI: https://doi.org/10.1007/s12275-017-7052-9

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Abstract

Helicobacter pylori is a major pathogen causing various gastric diseases including gastric cancer. Infection of H. pylori induces pro-inflammatory cytokine IL-8 expression in gastric epithelial cells in the initial inflammatory process. It has been known that H. pylori can modulate Ras-Raf-Mek-Erk signal pathway for IL-8 induction. Recently, it has been shown that another signal molecule, cancer Osaka thyroid oncogene/tumor progression locus 2 (Cot/Tpl2) kinase, activates Mek and Erk and plays a role in the Erk pathway, similar to MAP3K signal molecule Raf kinase. Therefore, the objective of this study was to determine whether Cot kinase might be involved in IL-8 induction caused by H. pylori infection. AGS gastric epithelial cells were infected by H. pylori strain G27 or its isogenic mutants lacking cagA or type IV secretion system followed by treatment with Cot kinase inhibitor (KI) or siRNA specific for Cot kinase. Activation of Erk was assessed by Western blot analysis and expression of IL-8 was measured by ELISA. Treatment with Cot KI reduced both transient and sustained Erk activation. It also reduced early and late IL-8 secretion in the gastric epithelial cell line. Furthermore, siRNA knockdown of Cot inhibited early and late IL-8 secretion induced by H. pylori infection. Taken together, these results suggest that Cot kinase might play a critical role in H. pylori type IV secretion apparatus-dependent early IL-8 secretion and CagA-dependent late IL-8 secretion as an alternative signaling molecule in the Erk pathway.

Citations

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Helicobacter pylori infection is correlated with the incidence of erosive oral lichen planus and the alteration of the oral microbiome composition
Shutong Li, Yangheng Zhang, Zongcheng Yang, Jingyuan Li, Ya Li, Huanjie Li, Wenjuan Li, Jihui Jia, Shaohua Ge, Yundong Sun
BMC Microbiology.2021;[Epub] CrossRef
Foot-and-Mouth Disease Virus Structural Protein VP1 Destroys the Stability of the TPL2 Trimer by Degradation of TPL2 To Evade Host Antiviral Immunity
Keshan Zhang, Minghao Yan, Junhong Hao, Chaochao Shen, Zixiang Zhu, Dajun Zhang, Jing Hou, Guowei Xu, Dan Li, Haixue Zheng, Xiangtao Liu, Susana López
Journal of Virology.2021;[Epub] CrossRef
Discovery and validation of methylated-differentially expressed genes in Helicobacter pylori-induced gastric cancer
Duanrui Liu, Xiaoli Ma, Fei Yang, Dongjie Xiao, Yanfei Jia, Yunshan Wang
Cancer Gene Therapy.2020; 27(6): 473. CrossRef
Probiotic effect on Helicobacter�pylori attachment and inhibition of inflammation in human gastric epithelial cells
Hanyi Song, Long Zhou, Dongyan Liu, Lihui Ge, Yan Li
Experimental and Therapeutic Medicine.2019;[Epub] CrossRef

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