1,276 Works

Morphology and phylogeny of two new Thalassiosiroid taxa (Bacillariophyceae), with two marginal rimoportulae

Biaobiao Niu, Yaqiong Guo, Nina Lundholm & Yang Li
Thalassiosira and related taxa i.e. the taxa within Thalassiosirales are among the most abundant and widespread diatoms. The vast majority have one marginal rimoportula, but very few always have two. The knowledge on Thalassiosiroid taxa in Chinese waters is restricted, and to explore the diversity, monoclonal strains were established from southern Chinese coastal waters. Morphological data were based on light and scanning electron microscopy. The D1‒D3 region of the ribosomal large subunit (LSU) and the...

Circular RNA circCHFR downregulation protects against oxidized low-density lipoprotein-induced endothelial injury via regulation of microRNA-15b-5p/growth arrest and DNA damage inducible gamma

Yang Li & Bing Wang
Atherosclerosis is the leading cause of coronary heart disease. In recent years, circ_0029589 (circCHFR) has been found to be associated with atherosclerosis development. However, the molecular mechanism of circCHFR action in atherosclerosis development is unknown. This study was aimed to investigate the function and action mechanism of circCHFR in atherosclerosis development. An atherosclerosis cell model was created by exposing human vascular endothelial cells (HUVECs) to oxidized low-density lipoprotein. The expression of circCHFR, microRNA(miR)-15b-5p, growth arrest...

Identification and potential mechanism of different components from the aerial part of Bupleurum chinense DC. for epileptic treatment

Xiaomao Li, Yan Liu, Siyi Wang, Wei Guan, Juan Pan, Haixue Kuang & Bingyou Yang
The present study aimed to assess the effects of epileptic treatment of the aerial part of Bupleurum chinense DC. in kainic acid (KA)-induced epilepsy rats and LPS-induced BV2 cells, as well as to identify the active chemical constituents. The in vivo and vitro results showed that 20% ethanol elution fractions of the aerial part of B. chinense DC. (BCE-20) and 70% ethanol elution fractions of the aerial part of B. chinense DC. (BCE-70) could improve...

Kavalactones isolated from Alpinia zerumbet (Pers.) Burtt. et Smith with protective effects against human umbilical vein endothelial cell damage induced by high glucose

Hualin You, Min He, Di Pan, Guanqin Fang, Yan Chen, Xu Zhang, Xiangchun Shen & Nenling Zhang
A new kavalactone, 4'-hydroxyl dihydro-5, 6-dehydrokavain (1) was isolated from the petroleum ether partition of leaves of Alpinia zerumbet (Pers.) Burtt. et Smith, together with four known kavalactone dimers, rel-1,trans-3-bis-(4-methoxy-2-oxopyran-6-yl)-cis-2,trans-4-diphenyl cyclobutene (2), aniba dimer A (3), aniba dimer C (4), 6,6'-(3,4-diphenylcyclobutane-1,2-diyl)bis(4-methoxy-2H-pyran-2-one (5). The structure of compound 1 was characterized by its MS, 1D-NMR, and 2D-NMR data, and the structures of the known compounds were determined by comparison of their spectroscopic data with those reported by...

Transcriptome analysis of adipocytokines and their-related LncRNAs in lung adenocarcinoma revealing the association with prognosis, immune infiltration, and metabolic characteristics

Jie Ren, Hui Zhang, Jinna Wang, Yingsong Xu, Lei Zhao & Qihang Yuan
Lung adenocarcinoma (LUAD) is amongst the major contributors to cancer-related deaths on a global scale. Adipocytokines and long non-coding RNAs (lncRNAs) are indispensable participants in cancer. We performed a pan-cancer analysis of the mRNA expression, single nucleotide variation, copy number variation, and prognostic value of adipocytokines. LUAD samples were obtained from the Gene Expression Omnibus (GEO) and The Cancer Genome Atlas (TCGA) databases. Simultaneously, train, internal and external cohorts were grouped. After a stepwise screening...

Gene expression profiles provide insights into the survival strategies in deep-sea mussel (Bathymodiolus platifrons) of different developmental stages

Junrou Huang, Peilin Huang, Jianguo Lu, Nengyou Wu, Genmei Lin, Xilin Zhang, Hong Cao, Wei Geng, Bin Zhai, Cuiling Xu & Zhilei Sun
Abstract Background Deep-sea mussels living in the cold seeps with enormous biomass act as the primary consumers. They are well adapted to the extreme environment where light is absent, and hydrogen sulfide, methane, and other hydrocarbon-rich fluid seepage occur. Despite previous studies on diversity, role, evolution, and symbiosis, the changing adaptation patterns during different developmental stages of the deep-sea mussels remain largely unknown. Results The deep-sea mussels (Bathymodiolus platifrons) of two developmental stages were collected...

Protein disulfide isomerases (PDIs) negatively regulate ebolavirus structural glycoprotein expression in the endoplasmic reticulum (ER) via the autophagy-lysosomal pathway

Bin Wang, Jing Zhang, Xin Liu, Qingqing Chai, Xiaoran Lu, Xiaoyu Yao, Zhichang Yang, Liangliang Sun, Silas F. Johnson, Richard C Schwartz & Yong-Hui Zheng
Zaire ebolavirus (EBOV) causes a severe hemorrhagic fever in humans and non-human primates with high morbidity and mortality. EBOV infection is dependent on its structural glycoprotein (GP), but high levels of GP expression also trigger cell rounding, detachment, and downregulation of many surface molecules that is thought to contribute to its high pathogenicity. Thus, EBOV has evolved an RNA editing mechanism to reduce its GP expression and increase its fitness. We now report that the...

Diversity of nirS and nirK denitrifying bacteria in rhizosphere and non-rhizosphere soils of halophytes in Ebinur Lake Wetland

Yanhui Niu, Wenge Hu, Tingting Zhou, Bo He, Xuemei Chen & Yang Li
There are few studies on denitrification related to the nitrogen cycle in Ebinur Lake wetland. This study aimed to explore the response of the diversity and composition of denitrifying bacteria to the environmental factors in wetland, so as to obtain more information about the community structure of denitrifying bacteria driven by environmental factors. Using the genes encoding nitrite reductase (nirS and nirK) as molecular markers, we analysed the seasonal changes in the diversity of denitrifying...

DNA repair in lung cancer: a large-scale quantitative analysis for polymorphisms in DNA repairing pathway genes and lung cancer susceptibility

Zexi Liao, Minhan Yi, Jiaxin Li & Yuan Zhang
The results of associations between single nucleotide polymorphisms (SNPs) of genes in DNA repairing pathway and lung cancer (LC) risk are inconsistent. We applied allele, dominant and recessive models to explore the risk of researched variants to LC in total LC and subgroups by ethnicity or LC subtypes with a cutoff point of p < 0.05. A total of 76,935 cases and 88,649 controls from 192 articles were included. Among the analyzed 40 variants from...

Additional file 1 of Relationship between sarcopenia/paravertebral muscles and the incidence of vertebral refractures following percutaneous kyphoplasty: a retrospective study

Qi Chen, Chenyang Lei, Tingxiao Zhao, Zhanqiu Dai, Jun Zhang, Yongming Jin & Chen Xia
Additional file 1.

Microbiota and metabolites alterations in proximal and distal gastric cancer patients

Yan Yang, Daofeng Dai, Wen Jin, Yingying Huang, Yingzi Zhang, Yiran Chen, Wankun Wang, Wu Lin, Xiangliu Chen, Jing Zhang, Haohao Wang, Haibin Zhang & Lisong Teng
Abstract Background Globally, gastric cancer is the third most common cancer and the third leading cause of cancer death. Proximal and distal gastric cancers have distinct clinical and biological behaviors. The microbial composition and metabolic differences in proximal and distal gastric cancers have not been fully studied and discussed. Methods In this study, the gastric microbiome of 13 proximal gastric cancer tissues, 16 distal gastric cancer tissues, and their matched non-tumor tissues were characterized using...

Additional file 2 of Relationship between sarcopenia/paravertebral muscles and the incidence of vertebral refractures following percutaneous kyphoplasty: a retrospective study

Qi Chen, Chenyang Lei, Tingxiao Zhao, Zhanqiu Dai, Jun Zhang, Yongming Jin & Chen Xia
Additional file 2.

Table S5.xlsx from Transcriptome analysis and mining of genes related to shade tolerance in foxtail millet (Setaria italica (L.) P. Beauv.)

Dan Liu, Yanjiao Cui, Zilong Zhao, Jing Zhang, Suying Li & Zhengli Liu
A stereo interplanting system with foxtail millet beneath chestnut trees is an effective planting method to raise the utilization of land in chestnut orchards, increase yields and improve quality of chestnut nuts. Consequently, exploration of genes involved in shade tolerance response in foxtail millet and breeding shade-tolerant varieties have become urgent issues. In this study, RNA-seq of leaf samples from two shade-tolerant varieties and three shade-intolerant varieties of foxtail millet at the booting stage was...

Table S8.xlsx from Transcriptome analysis and mining of genes related to shade tolerance in foxtail millet (Setaria italica (L.) P. Beauv.)

Dan Liu, Yanjiao Cui, Zilong Zhao, Jing Zhang, Suying Li & Zhengli Liu
A stereo interplanting system with foxtail millet beneath chestnut trees is an effective planting method to raise the utilization of land in chestnut orchards, increase yields and improve quality of chestnut nuts. Consequently, exploration of genes involved in shade tolerance response in foxtail millet and breeding shade-tolerant varieties have become urgent issues. In this study, RNA-seq of leaf samples from two shade-tolerant varieties and three shade-intolerant varieties of foxtail millet at the booting stage was...

Supplementary material.docx from Transcriptome analysis and mining of genes related to shade tolerance in foxtail millet (Setaria italica (L.) P. Beauv.)

Dan Liu, Yanjiao Cui, Zilong Zhao, Jing Zhang, Suying Li & Zhengli Liu
A stereo interplanting system with foxtail millet beneath chestnut trees is an effective planting method to raise the utilization of land in chestnut orchards, increase yields and improve quality of chestnut nuts. Consequently, exploration of genes involved in shade tolerance response in foxtail millet and breeding shade-tolerant varieties have become urgent issues. In this study, RNA-seq of leaf samples from two shade-tolerant varieties and three shade-intolerant varieties of foxtail millet at the booting stage was...

Table S2.xlsx from Transcriptome analysis and mining of genes related to shade tolerance in foxtail millet (Setaria italica (L.) P. Beauv.)

Dan Liu, Yanjiao Cui, Zilong Zhao, Jing Zhang, Suying Li & Zhengli Liu
A stereo interplanting system with foxtail millet beneath chestnut trees is an effective planting method to raise the utilization of land in chestnut orchards, increase yields and improve quality of chestnut nuts. Consequently, exploration of genes involved in shade tolerance response in foxtail millet and breeding shade-tolerant varieties have become urgent issues. In this study, RNA-seq of leaf samples from two shade-tolerant varieties and three shade-intolerant varieties of foxtail millet at the booting stage was...

Pressure-induced enhancement and retainability of optoelectronic properties of NiPS3

Sixue Fang, Quanjun Li, Zonglun Li, Qing Dong, Xiaoling Jing, Chenyi Li, Haiyan Li, Bo Liu, Ran Liu & Bingbing Liu
Here, we report significant pressure-modulate optoelectronic properties of NiPS3. Upon compression, NiPS3 exhibited a photocurrent increase of five orders of magnitude over the initial value. Interestingly, when NiPS3 was finally decompressed to ambient conditions, the photocurrent could maintain a two-order-of-magnitude enhancement. In addition, the spectral response range was extended to the near-infrared spectral range (up to 1650 nm) under high pressure. Raman and XRD measurements and theoretical calculations revealed significant enhancement in both interlayer and...

Recovery of phosphorus from wastewater: A review based on current phosphorous removal technologies

Yulin Zheng, Yongshan Wan, Yue Zhang, Jinsheng Huang, Yicheng Yang, Daniel C. W. Tsang, Hailong Wang, Hao Chen & Bin Gao
Phosphorus (P) as an essential nutrient for life sustains the productivity of food systems; yet misdirected P often accumulates in wastewater and triggers water eutrophication if not properly treated. Although technologies have been developed to remove P, little attention has been paid to the recovery of P from wastewater. This work provides a comprehensive review of the state-of-the-art P removal technologies in the science of wastewater treatment. Our analyses focus on the mechanisms, removal efficiencies,...

Nitric oxide generated by Piriformospora indica-induced nitrate reductase promotes tobacco growth by regulating root architecture and ammonium and nitrate transporter gene expression

Han Li, Shenghua Fu, Jingwei Zhu, Weichang Gao, Lin Chen, Xiang Li, Shaoyu Zhang, Sha Zheng, Heng Zhang & Yanxia Liu
Nitric oxide (NO) is involved not only in the regulation of plant growth, development, and stress responses but also in the regulation of plant-microbe interactions. Here, we demonstrate that Piriformospora indica can induce tobacco nitrate reductase to produce a NO signal in roots which enhances nitrogen uptake capacity by inducing the expression of ammonium and nitrate transporter genes and the development of lateral root and root hair, thereby promoting tobacco growth. In addition, the NO...

Additional file 4 of The rhizosphere bacterial community contributes to the nutritional competitive advantage of weedy rice over cultivated rice in paddy soil

Yue Wu, Jian Sun, Pengcheng Yu, Weiliang Zhang, Youze Lin & Dianrong Ma
Additional file 4. Table S2. Node names and their degree in co-occurrence network diagrams of different groups.

Research strategy for constructing a green infrastructure network based on spatial prioritization

Dongmeng Wang, Chang Liu, Yue Guo, Puxia Tang, Jie Jiao, Weihan Kong, Ling Zhang, Yiping Liu & Dezheng Kong
The destruction of the ecological system caused by urban expansion has led to the environmental deterioration, cities have become increasingly vulnerable. In this study, six districts and counties along the Yellow River in Zhengzhou were selected as the study area. First, green infrastructure elements were extracted by morphological spatial pattern analysis. Then, outside the urban areas, we used connectivity analysis to evaluate the importance of core areas, adopted minimum cumulative resistance model to extract potential...

DARS-AS1 recruits METTL3/METTL14 to bind and enhance DARS mRNA m6A modification and translation for cytoprotective autophagy in cervical cancer

Weiwei Shen, Miaohua Zhu, Qiming Wang, Xiaoming Zhou, Jiaying Wang, Tingting Wang & Jing Zhang
Cervical cancer (CC) is one of the most prevalent malignancies among females. Cytoprotective autophagy could confer cancer cell tolerance to hypoxic stress, promoting cell survival and adaptation. Aspartyl-tRNA synthetase 1 antisense 1 (DARS-AS1) is an oncogenic long non-coding RNA (lncRNA) in various cancers, but how DARS-AS1 regulates cytoprotective autophagy in hypoxic environment in CC remains unclear. Chromatin immunoprecipitation (ChIP) and luciferase reporter assays were conducted to explore the interaction between hypoxia-inducible factor 1 subunit alpha...

Molybdopterin biosynthesis pathway contributes to the regulation of SaeRS two-component system by ClpP in Staphylococcus aureus

Na Zhao, Yanan Wang, Junlan Liu, Ziyu Yang, Ying Jian, Hua Wang, Mahmoud Ahmed, Min Li, Taeok Bae & Qian Liu
In Staphylococcus aureus, the SaeRS two-component system is essential for the bacterium’s hemolytic activity and virulence. The Newman strain of S. aureus contains a variant of SaeS sensor kinase, SaeS L18P. Previously, we showed that, in the strain Newman, SaeS L18P is degraded by the membrane-bound protease FtsH. Intriguingly, the knockout mutation of clpP, encoding the cytoplasmic protease ClpP, greatly reduces the expression of SaeS L18P. Here, we report that, in the strain Newman, the...

Supplementary document for Quantitative tumor depth determination using dual wavelength excitation fluorescence - 5997611.pdf

Christine OBrien, Kevin Bishop, Haini Zhang, Xiao Xu, Leonid Shmuylovich, Elizabeth Conley, Karen Nwosu, Katie Duncan, Suman Mondal & Gail Sudlow
Supplemental figures

Autophagy loss impedes cancer-associated fibroblast activation via downregulating proline biosynthesis

Jingru Bai, Tong Liu, Bo Tu, Meng Yuan, Zhaoqi Shu, Minghe Fan, Sihan Huo, Yuyao Guo, Lina Wang, Hua Wang & Ying Zhao
Cancer-associated fibroblasts (CAFs) are considered one of the most critical stromal cells that interact with pancreatic ductal adenocarcinoma (PDAC) and promote tumor growth, metastasis, and treatment resistance. Previous studies illustrated macroautophagy/autophagy contributes to CAF activation during tumor progression. Here in our study, we found that autophagy deficiency in CAFs impedes CAF activation by inhibiting proline biosynthesis and collagen production. Furthermore, we uncovered that autophagy promotes proline biosynthesis through mitophagy-mediated regulation of NADK2 (NAD kinase 2,...

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