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( Qiu Chun Li ),( Ya Chen Hu ),( Yin Fei Wu ),( Xiao Chun Wang ),( Xiao Lei Xie ),( Ming Xin Tao ),( Jun Lei Yin ),( Zhi Jie Lin ),( Yang Jiao ),( Li Juan Xu ),( Xinan Jiao ) 한국미생물 · 생명공학회 2015 Journal of microbiology and biotechnology Vol.25 No.5
As Salmonella enterica serovar Pullorum remains a major economic problem for the poultry industries of countries with no efficient control measures, we presented a multidrug resistance strain S06004 (isolated from a clinically sick chicken in China in 2006) for genome sequencing. The genome comparison showed that the strain contained two prophages, the ST104 and prophage-4 (Fels2) of E. coli LF82, which were not detected in the only published genomes of S. Pullorum RKS5078 and CDC1983-67. In addition, the GyrA Ser83 point mutation, drugresistant genes, and many antibiotic pump systems that are present in S06004 may be contributing to the multidrug resistance of this strain.
Identification of Glycine Max MicroRNAs in Response to Phosphorus Deficiency
Aihua Sha,Yinhua Chen,Hongping Ba,Zhihui Shan,Xiaojuan Zhang,Xuejun Wu,Dezheng Qiu,Shuilian Chen,Xinan Zhou 한국식물학회 2012 Journal of Plant Biology Vol.55 No.4
MicroRNAs (miRNAs) are endogenous small RNAs regulating plant development and stress responses. In addition, phosphorus (P) is an important macronutrient for plant growth and development. More than two hundred miRNAs have been identified in Glycine Max and a few of miRNAs have been shown to respond to P deficiency,however, whether there are other miRNAs involved in P deficiency response is largely unknown. In this study, we used high-throughput small RNA sequencing and wholegenome-wide mining to identify the potential miRNAs in response to P deficiency. After sequencing, we deduced 183known, 99 conserved and 126 novel miRNAs in Glycine Max. Among them, in response to P deficiency, the expressions of 27 known, 16 conserved and 12 novel miRNAs showed significant changes in roots, whereas the expressions of 34known, 14 conserved and 7 novel miRNAs were significantly different in shoots. Furthermore, we validated the predicated novel miRNAs and found that three miRNAs in roots and five miRNAs in shoots responded to P deficiency. Some miRNAs were P-induced whereas some were P-suppressed. Together these results indicated that the miRNAs identified might play important roles in regulating P signaling pathway.
Zhiyun Zhang,Jian Wang,Weiping Wan,Zhengchao Shen,Aixue Zuo,Rong Chen,Qinyi Wu,Enli Cai,Feng Huang,Rongping Zhang,Xinan Shi 한국통합생물학회 2023 Animal cells and systems Vol.27 No.1
Hepatocellular carcinoma (HCC) is a frequently occurring malignant gastrointestinal cancer. The 5-year survival rate of HCC is still below 8%, and thus, identifying more effective therapeutic methodsis needed. Here, we evaluated the effects of Stigmast-4-en-6β-ol-3-one (S463) on the viability andcolony formation of liver cancer cells. S463 treatment decreased the viability and inducedapoptosis and ferroptosis in liver cancer cells, and also increased cellular malondialdehyde(MDA) and lipid peroxidation levels. In S463 treated cells, the expression level of Bax wasincreased, and the expression level of GPX4 was reduced, and the cleavage of PARP wasimproved. We also found that S463 treatment downregulated E2F1 and upregulated p53 atboth the mRNA and protein levels. Importantly, rescue experiments revealed thatoverexpression of E2F1 partially restored S463-induced Bax and p53 upregulation and GPX4downregulation and counteracted the S463-induced decrease in cell viability and colonyformation and the S463-induced increase in MDA and lipid peroxidation levels. Our findingssuggest that S463 significantly inhibits viability and colony formation and induces apoptosisand ferroptosis in liver cancer cells via E2F1.