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
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.
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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
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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
Porphyromonas gingivalis (P.g.), which is a potential pathogen
for periodontal diseases, contains lipopolysaccharide
(LPS), and this endotoxin stimulates a variety of cellular
responses. At present, P.g.-derived LPS-induced cellular responses
in human periodontal ligament fibroblasts (PDLFs)
are not well characterized. Here, we demonstrate that P.gderived
LPS regulates inflammatory responses, apoptosis
and differentiation in PDLFs. Interleukin-6 (IL-6) and -8
(IL-8) were effectively upregulated by treatment of P.g.-derived
LPS, and we confirmed apoptosis markers including
elevated cytochrome c levels, active caspase-3 and morphological
change in the presence of P.g.-derived LPS. Moreover,
when PDLFs were cultured with differentiation media, P.g.-
derived LPS reduced the expression of differentiation marker
genes, as well as reducing alkaline phosphatase (ALP) activity
and mineralization. P.g.-derived LPS-mediated these
cellular responses were effectively abolished by treatment
of mitogen-activated protein kinase (MAPK) inhibitors.
Taken together, our results suggest that P.g.-derived LPS
regulates several cellular responses via activation of MAPK
signaling pathways in PDLFs.
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