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1. Application of a Parallel Particle Swarm Optimization-Long Short Term Memory Model to Improve Water Quality Data

Author:
Zhang, Xiaojuan,   et al.   ; Yan, Jianzhuo; Chen, Xinyue; Yu, Yongchuan;     Show all 4 Authors
Source:
Water 2019 v.11 no.7
ISSN:
2073-4441
Subject:
algorithms; case studies; model validation; neural networks; regression analysis; time series analysis; wastewater treatment; water quality; China
Abstract:
... Water quality data cleaning is important for the management of water environments. A framework for water quality time series cleaning is proposed in this paper. Considering the nonlinear relationships among water quality indicators, support vector regression (SVR) is used to forecast water quality indicators when some indicators are missing or when they show abnormal values at a certain point in t ...
DOI:
10.3390/w11071317

2. Correction to: High-yield production of L-serine from glycerol by engineered Escherichia coli

Author:
Zhang, Xiaojuan,   et al.   ; Zhang, Xiaomei; Zhang, Dong; Zhu, Jiafen; Liu, Wang; Xu, Guoqiang; Shi, Jinsong; Xu, Zhenghong;     Show all 8 Authors
Source:
Journal of industrial microbiology & biotechnology 2019 v.46 no.6 pp. 883-885
ISSN:
1367-5435
Subject:
Escherichia coli; genetically engineered microorganisms; glycerol; serine
Abstract:
... Unfortunately, the order of the figures 1-4 has been positioned wrongly in the print published article ...
DOI:
10.1007/s10295-019-02163-9

3. Molecularly designed, solvent processable tetraalkylammonium-functionalized fluoropolyolefin for durable anion exchange membrane fuel cells

Author:
Zhang, Xiaojuan,   et al.   ; Chu, Xiaomeng; Zhang, Min; Zhu, Meng; Huang, Yingda; Wang, Yiguang; Liu, Lei; Li, Nanwen;     Show all 8 Authors
Source:
Journal of membrane science 2019 v.574 pp. 212-221
ISSN:
0376-7388
Subject:
copolymerization; trimethylamine; fuel cells; sodium hydroxide; moieties; durability; anion-exchange membranes; solvents; hydrophobicity; polymers; solubility; water uptake; fluorine
Abstract:
... A new generation of solvent processable fluoropolyolefin was prepared and explored for durable anion exchange membrane fuel cells. By one-pot Ziegler-Natta copolymerization of a fluorinated monomer (1-(but-3-en-1-yl)-4-fluorobenzene) with 11-bromo-1-undecene and subsequent quaternization with trimethylamine, a series of tetraalkylammonium-functionalized fluoropolyolefin was synthesized by varying ...
DOI:
10.1016/j.memsci.2018.12.082

4. High-yield production of L-serine from glycerol by engineered Escherichia coli

Author:
Zhang, Xiaojuan,   et al.   ; Zhang, Xiaomei; Zhang, Dong; Zhu, Jiafen; Liu, Wang; Xu, Guoqiang; Shi, Jinsong; Xu, Zhenghong;     Show all 8 Authors
Source:
Journal of industrial microbiology & biotechnology 2019 v.46 no.2 pp. 221-230
ISSN:
1367-5435
Subject:
Escherichia coli; bioprocessing; bioreactors; carbon; cysteine; enzymes; evolution; fermentation; gene overexpression; genes; glycerol; serine
Abstract:
... L-Serine is widely used in pharmaceutical, food and cosmetic industries, and the direct fermentation to produce L-serine from cheap carbon sources such as glycerol is greatly desired. The production of L-serine by engineered Escherichia coli from glycerol has not been achieved so far. In this study, E. coli was engineered to efficiently produce L-serine from glycerol. To this end, three L-serine d ...
DOI:
10.1007/s10295-018-2113-6

5. Eucalyptus sawdust derived biochar generated by combining the hydrothermal carbonization and low concentration KOH modification for hexavalent chromium removal

Author:
Zhang, Xiaojuan,   et al.   ; Zhang, Lei; Li, Aimin;     Show all 3 Authors
Source:
Journal of environmental management 2018 v.206 pp. 989-998
ISSN:
0301-4797
Subject:
Eucalyptus; Fourier transform infrared spectroscopy; X-ray photoelectron spectroscopy; adsorbents; adsorption; biochar; chromium; energy-dispersive X-ray analysis; hydrothermal carbonization; potassium hydroxide; sawdust; scanning electron microscopy; thermodynamics
Abstract:
... In this study, Eucalyptus sawdust was hydrothermally carbonized, and the resulting biochar was modified by a low concentration potassium hydroxide. The morphology and surface property was characterized by SEM-EDS, BET, FTIR and XPS techniques. A series of batch adsorption experiments were conducted to screen out the optimum conditions, and to investigate the isotherm, kinetics and thermodynamic be ...
DOI:
10.1016/j.jenvman.2017.11.079

6. Iron regulatory protein 2 deficiency may correlate with insulin resistance

Author:
Zhang, Xiaojuan,   et al.   ; Zhou, Yaru; Wu, Wenyue; Xu, Zhifang; Liu, Yan; Chang, Hengrui; Yu, Peng; Yang, Yu; Liu, Kuanzhi; Chang, Yanzhong;     Show all 10 Authors
Source:
Biochemical and biophysical research communications 2019 v.510 no.2 pp. 191-197
ISSN:
0006-291X
Subject:
apoptosis; diabetes; glucose; glucose transporters; hyperglycemia; insulin resistance; insulin secretion; iron overload; liver; messenger RNA; metabolism; mice; models; muscles; protein content; regulatory proteins; risk factors; skeletal muscle; superoxide dismutase
Abstract:
... Iron is known to be a crucial regulator of glucose, and several studies have demonstrated that iron overload is one of the risk factors for insulin resistance and diabetes; however, the mechanism has not yet been clarified. To investigate the effect of iron overload on glucose metabolism and the underlying mechanism, Irp2 knockout (Irp2−/−) mice (endogenous iron overload model) were used. We found ...
DOI:
10.1016/j.bbrc.2019.01.022

7. A novel long non-coding RNA, lncKBTBD10, involved in bovine skeletal muscle myogenesis

Author:
Zhang, Xiaojuan,   et al.   ; Chen, Mingming; Li, Xin; Li, Yan; Zhang, Junxing; Liu, Minhui; Zhang, Linlin; Ding, Xiangbin; Liu, Xinfeng; Guo, Hong;     Show all 10 Authors
Source:
In vitro cellular & developmental biology 2019 v.55 no.1 pp. 25-35
ISSN:
1071-2690
Subject:
cattle; genes; humans; in vitro studies; mice; muscle development; non-coding RNA; prediction; protein content; skeletal muscle
Abstract:
... Accumulating evidence suggests that long non-coding RNAs (lncRNAs) play a crucial role in regulating skeletal muscle myogenesis, a highly coordinated multistep biological process. However, most studies of lncRNAs have focused on humans, mouse, and other model animals. In this study, we identified a novel lncRNA, named lncKBTBD10, located in the nucleus and involved in the proliferation and differe ...
DOI:
10.1007/s11626-018-0306-y

8. Genetic diversity and structure of tea plant in Qinba area in China by three types of molecular markers

Author:
Zhang, Xiaojuan,   et al.   ; Zhang, Yu; Chen, Xi; Sun, Wang; Li, Jiao;     Show all 5 Authors
Source:
Hereditas 2018 v.155 no.1 pp. 22
ISSN:
1601-5223
Subject:
Camellia sinensis; DNA primers; alleles; expressed sequence tags; gene pool; genetic distance; genetic markers; genetic similarity; genetic variation; germplasm; introduced plants; microsatellite repeats; planting; population structure; principal component analysis; spatial data; tea; China
Abstract:
... BACKGROUND: Qinba area has a long history of tea planting and is a northernmost region in China where Camellia sinensis L. is grown. In order to provide basic data for selection and optimization of molecular markers of tea plants. 118 markers, including 40 EST-SSR, 40 SRAP and 38 SCoT markers were used to evaluate the genetic diversity of 50 tea plant (Camellia sinensis.) samples collected from Qi ...
DOI:
10.1186/s41065-018-0058-4
PubMed:
29773972
PubMed Central:
PMC5944026

9. One-pot hydrothermal synthesis of ZnO/RGO/ZnO@Zn sensor for sunset yellow in soft drinks

Author:
Zhang, Xiaojuan,   et al.   ; Wu, Xian; Zhao, Chongjun; Qian, Xiuzhen;     Show all 4 Authors
Source:
Talanta 2018 v.179 pp. 836-844
ISSN:
0039-9140
Subject:
detection limit; electrostatic interactions; foil; graphene oxide; ions; nanocomposites; redox reactions; soft drinks; zinc; zinc oxide
Abstract:
... ZnO/RGO/ZnO nanocomposite was in-situ anchored on Zn foil through a simple one-step hydrothermal approach. Based on the redox reaction between graphene oxide (GO) and Zn foil, and the electrostatic attraction between the negative-charged GO and positive-charged zinc ions, three strong interfaces of ZnO/RGO, RGO/ZnO and ZnO/Zn were simultaneously constructed, which led to improved electron and ion ...
DOI:
10.1016/j.talanta.2017.12.005

10. Recent advances in genetic modification systems for Actinobacteria

Author:
Zhang, Xiaojuan,   et al.   ; Deng, Yu; Zhang, Xi;     Show all 3 Authors
Source:
Applied microbiology and biotechnology 2017 v.101 no.6 pp. 2217-2226
ISSN:
0175-7598
Subject:
Actinobacteria; Bacillus subtilis; DNA; Escherichia coli; Saccharomyces cerevisiae; engineering; forests; genetic engineering; genomics; human health; microorganisms; models
Abstract:
... Actinobacteria are extremely important to human health, agriculture, and forests. Because of the vast differences of the characteristics of Actinobacteria, a lot of genetic tools have been developed for efficiently manipulating the genetics. Although there are a lot of successful examples of engineering Actinobacteria, they are still more difficult to be genetically manipulated than other model mi ...
DOI:
10.1007/s00253-017-8156-1

11. Research on fiber distribution in front draft zone of super high draft ring spinning based on cut-middles method

Author:
Zhang, Xiaojuan,   et al.   ; Xu, Bojun; Liu, Xinjin;     Show all 3 Authors
Source:
The journal of the Textile Institute 2017 v.108 no.2 pp. 271-278
ISSN:
1754-2340
Subject:
cotton; fabrics; fiber quality; friction; spinning; yarns
Abstract:
... A super draft ring spinning machine was designed to spin high-count cotton yarns. It was equipped with four-line draft system (FLDS) and four aprons. For yarns spun on FLDS, it often occurs that yarn unevenness increased compared with three-line draft system (TLDS). In the paper, by cut-middles method, the fiber distribution in front draft zone of FLDS draft system was studied, and corresponding y ...
DOI:
10.1080/00405000.2016.1165383

12. Hydrothermal co-carbonization of sewage sludge and pinewood sawdust for nutrient-rich hydrochar production: Synergistic effects and products characterization

Author:
Zhang, Xiaojuan,   et al.   ; Zhang, Lei; Li, Aimin;     Show all 3 Authors
Source:
Journal of environmental management 2017
ISSN:
0301-4797
Subject:
Fourier transform infrared spectroscopy; carbon; hydrochars; hydrothermal carbonization; mixing; nitrogen; nuclear magnetic resonance spectroscopy; nutrients; phosphorus; sawdust; scanning electron microscopy; sewage sludge; synergism
Abstract:
... The aim of this study is to explore the synergistic effects of hydrothermal co-carbonization of sewage sludge and pinewood sawdust on hydrochar production. Firstly, the effects of mixing ratios on hydrothermal carbonization were investigated, and then, the hydrochar was characterized by diverse analytical techniques. The mass balance results indicated that a significant synergistic enhancement occ ...
DOI:
10.1016/j.jenvman.2017.06.018

13. Mannan-oligosaccharide modulates the obesity and gut microbiota in high-fat diet-fed mice

Author:
Zhang, Xiaojuan,   et al.   ; Wang, Hongshan; Wang, Shanshan; Li, Heng; Lu, Zhenming; Shi, Jinsong; Xu, Zhenghong;     Show all 7 Authors
Source:
Food & function 2018 v.9 no.7 pp. 3916-3929
ISSN:
2042-650X
Subject:
Bacteroides acidifaciens; Bifidobacterium pseudolongum; Lactobacillus gasseri; blood lipids; body weight changes; high fat diet; high-throughput nucleotide sequencing; insulin resistance; intestinal microorganisms; lipid metabolism; metabolic diseases; metabolic syndrome; mice; obesity; prebiotics
Abstract:
... The gut microbiota is considered to be associated with high-fat diet (HFD)-induced obesity and metabolic syndrome (MS). Mannan-oligosaccharide (MOS) is widely used as a natural additive, and its effect on promoting fat metabolism has been reported. Here, we performed a 11-week study on C57BL/6J mice fed a high-fat diet (HFD) with/without MOS supplementation, and the results showed that MOS could a ...
DOI:
10.1039/c8fo00209f

14. Integration of ARTP mutagenesis with biosensor-mediated high-throughput screening to improve L-serine yield in Corynebacterium glutamicum

Author:
Zhang, Xiaojuan,   et al.   ; Zhang, Xin; Zhang, Xiaomei; Xu, Guoqiang; Shi, Jinsong; Xu, Zhenghong;     Show all 6 Authors
Source:
Applied microbiology and biotechnology 2018 v.102 no.14 pp. 5939-5951
ISSN:
0175-7598
Subject:
Corynebacterium glutamicum; ambient temperature; biosensors; cell growth; flow cytometry; genes; magnesium; mutagenesis; mutants; screening; sequence analysis; serine; sucrose; transcription factors
Abstract:
... L-Serine is widely used in the pharmaceutical, food, and cosmetics industries. Although direct fermentative production of L-serine from sugar in Corynebacterium glutamicum has been achieved, the L-serine yield remains relatively low. In this study, atmospheric and room temperature plasma (ARTP) mutagenesis was used to improve the L-serine yield based on engineered C. glutamicum ΔSSAAI strain. Subs ...
DOI:
10.1007/s00253-018-9025-2

15. Linkage Map of a Gene Controlling Zero Tannins (<i>zt-1</i>) in Faba Bean (<i>Vicia faba</i> L.) with SSR and ISSR Markers

Author:
Zhang, Xiaojuan,   et al.   ; Hou, Wanwei; Yan, Qingbiao; Li, Ping; Sha, Weichao; Tian, Yingying; Liu, Yujiao;     Show all 7 Authors
Source:
Agronomy 2018 v.8 no.6
ISSN:
2073-4395
Subject:
Vicia faba; breeding programs; chromosome mapping; color; faba beans; flowers; genetic analysis; genetic distance; genotype; germplasm; inheritance (genetics); marker-assisted selection; microsatellite repeats; parents; phenotype; plant breeding; proanthocyanidins; recessive genes; tannins
Abstract:
... Faba bean (Vicia faba L.), a partially allogamous species, is rich in protein. Condensed tannins limit the use of faba beans as food and feed. Two recessive genes, zt-1 and zt-2, control the zero tannin content in faba bean and promote a white flower phenotype. To determine the inheritance and develop a linkage map for the zt-1 gene in the faba bean germplasm M3290, F2 and F3 ...
DOI:
10.3390/agronomy8060080

16. Metabolic engineering of Escherichia coli for producing adipic acid through the reverse adipate-degradation pathway

Author:
Zhang, Xiaojuan,   et al.   ; Zhao, Mei; Huang, Dixuan; Koffas, Mattheos A.G.; Zhou, Jingwen; Deng, Yu;     Show all 6 Authors
Source:
Metabolic engineering 2018 v.47 pp. 254-262
ISSN:
1096-7176
Subject:
CRISPR-Cas systems; Escherichia coli; Thermobifida fusca; adipic acid; batch fermentation; biological production; carbon; catalytic activity; genes; ligases; metabolic engineering; metabolites; nylon; resins
Abstract:
... Adipic acid is an important dicarboxylic acid mainly used for the production of nylon 6–6 fibers and resins. Previous studies focused on the biological production of adipic acid directly from different substrates, resulting in low yields and titers. In this study, a five-step reverse adipate-degradation pathway (RADP) identified in Thermobifida fusca has been reconstructed in Escherichia coli BL21 ...
DOI:
10.1016/j.ymben.2018.04.002

17. Prebiotic Mannan-Oligosaccharides Augment the Hypoglycemic Effects of Metformin in Correlation with Modulating Gut Microbiota

Author:
Zhang, Xiaojuan,   et al.   ; Zheng, Jialin; Li, Heng; Jiang, Min; Luo, Chunqin; Lu, Zhenming; Xu, Zhenghong; Shi, Jinsong;     Show all 8 Authors
Source:
Journal of agricultural and food chemistry 2018 v.66 no.23 pp. 5821-5831
ISSN:
1520-5118
Subject:
Amorphophallus; Bifidobacterium pseudolongum; Clostridiales; community structure; digestive system; drug therapy; dysbiosis; glucose tolerance; glycemic effect; high fat diet; histology; insulin resistance; intestinal microorganisms; medicine; metformin; noninsulin-dependent diabetes mellitus; obesity; prebiotics; synergism
Abstract:
... Type 2 diabetes (T2D) induced by obesity and high-fat diet is significantly associated with gut microbiota dysbacteriosis. Because the first line clinical medicine of metformin has several intestinal drawbacks, combination usage of metformin with a prebiotic of konjac mannan-oligosaccharides (MOS) was conceived and implemented aiming to investigate whether there were some intestinal synergetic eff ...
DOI:
10.1021/acs.jafc.8b00829

18. CRISPR/Cas9-mediated targeted mutagenesis of GmSPL9 genes alters plant architecture in soybean

Author:
Zhang, Xiaojuan,   et al.   ; Bao, Aili; Chen, Haifeng; Chen, Limiao; Chen, Shuilian; Hao, Qingnan; Guo, Wei; Qiu, Dezhen; Shan, Zhihui; Yang, Zhonglu; Yuan, Songli; Zhang, Chanjuan; Liu, Baohui; Kong, Fanjiang; Li, Xia; Zhou, Xinan; Tran, Lam-Son Phan; Cao, Dong;     Show all 18 Authors
Source:
BMC plant biology 2019 v.19 no.1 pp. 131
ISSN:
1471-2229
Subject:
Agrobacterium radiobacter; Arabidopsis thaliana; Glycine max; crops; gene editing; genes; grain yield; homozygosity; mutants; phenotype; plant architecture; plasmids; sequence analysis; site-directed mutagenesis; soybeans; transcription factors
Abstract:
... BACKGROUND: The plant architecture has significant effects on grain yield of various crops, including soybean (Glycine max), but the knowledge on optimization of plant architecture in order to increase yield potential is still limited. Recently, CRISPR/Cas9 system has revolutionized genome editing, and has been widely utilized to edit the genomes of a diverse range of crop plants. RESULTS: In the ...
DOI:
10.1186/s12870-019-1746-6

19. Cationic Pd(II)-catalyzed arylative cyclization of N-(2-formylaryl)alkynamides: An efficient route to 2-quinolinones

Author:
Zhang, Xiaojuan,   et al.   ; Han, Xiuling; Chen, Junjie; Lu, Xiyan;     Show all 4 Authors
Source:
Tetrahedron 2017 v.73 pp. 1541-1550
ISSN:
0040-4020
Subject:
acids; chemical reactions; chemical structure; organic compounds; palladium
Abstract:
... A cationic palladium complex catalyzed arylative cyclization reaction of N-(2-formylaryl)alkynamides with arylboronic acids was developed. This new process provides an efficient way for the synthesis of functionalized 2-quinolinones in good to excellent yields under mild conditions. Some control experiments were conducted to explain the possible mechanism for the formation of the products. ...
DOI:
10.1016/j.tet.2017.01.053

20. Development of pseudotyped retroviral system for effective gene transfer and expression in penaeid shrimp cells

Author:
Zhang, Xiaojuan,   et al.   ; Pu, Longjun; Wang, Jing; Guo, Huarong;     Show all 4 Authors
Source:
Aquaculture 2017 v.467 pp. 198-210
ISSN:
0044-8486
Subject:
Marsupenaeus japonicus; Metapenaeus; Retroviridae; White spot syndrome virus; fibroblasts; fluorescence; gene expression; gene transfer; mammals; microscopy; promoter regions; proteins; reporter genes; retroviral vectors; shrimp; terminal repeat sequences; transgenic animals; translation (genetics)
Abstract:
... The pantropic retroviral expression system has been widely used to stably introduce foreign genes into the genome of dividing cells from non-mammalian systems. However, we found that the current commercial retrovirus expression system did not work in inactively dividing primary shrimp cells. To overcome this, we successfully developed a triple-pseudotyped retroviral expression system that can be u ...
DOI:
10.1016/j.aquaculture.2016.04.014