Association between daily sitting time and sarcopenia in the US population: a cross-sectional study

Authors: Alei Zhang, Yanlei Li, Jinlei Zhou, Yuan Zhang, Shanggao Xie, Haiyu Shao, Tingxiao Zhao, Tao Tang

Source: Archives of Public Health, Vol 83, Iss 1, Pp 1-11 (2025)

Subject Terms: Daily sitting time, Sarcopenia, NHANES, Positive association, Recreational activities, Public aspects of medicine, RA1-1270

File Description: electronic resource

Relation: https://doaj.org/toc/2049-3258

Access URL: https://doaj.org/article/18ddcd021a2b4b339321d5b1fea3d53f

Whole-cell catalyze L-dopa to dopamine via co-expression of transport protein AroP in Escherichia coli

Authors: Siyuan Gao, Ding Ma, Yongtao Wang, Alei Zhang, Xin Wang, Kequan Chen

Source: BMC Biotechnology, Vol 23, Iss 1, Pp 1-9 (2023)

Subject Terms: Dopamine, Whole-cell catalysis, Bio-catalysis, Transport proteins, Biotechnology, TP248.13-248.65

File Description: electronic resource

Relation: https://doaj.org/toc/1472-6750

Access URL: https://doaj.org/article/0ae2f29bc03f4a6c8c1a005a6c4e54e4

Correction to: Construction of cell factory capable of efficiently converting l‑tryptophan into 5‑hydroxytryptamine

Authors: Yingying Wang, Xueman Chen, Qiaoyu Chen, Ning Zhou, Xin Wang, Alei Zhang, Kequan Chen, Pingkai Ouyang

Source: Microbial Cell Factories, Vol 22, Iss 1, Pp 1-3 (2023)

Subject Terms: Microbiology, QR1-502

File Description: electronic resource

Relation: https://doaj.org/toc/1475-2859

Access URL: https://doaj.org/article/97c7a4b2227345adb6235df76747aa0b

Efficient and scalable synthesis of 1,5-diamino-2-hydroxy-pentane from l-lysine via cascade catalysis using engineered Escherichia coli

Authors: Yangyang Li, Alei Zhang, Shewei Hu, Kequan Chen, Pingkai Ouyang

Source: Microbial Cell Factories, Vol 21, Iss 1, Pp 1-10 (2022)

Subject Terms: 1,5-diamino-2-hydroxy-pentane, (2S, 3S)-3-hydroxylysine, l-lysine transporters, Whole-cell biocatalyst, l-lysine hydroxylase, l-lysine decarboxylase, Microbiology, QR1-502

File Description: electronic resource

Relation: https://doaj.org/toc/1475-2859

Access URL: https://doaj.org/article/d3ae884b66be4024b4b174510745d712

Construction of cell factory capable of efficiently converting l-tryptophan into 5-hydroxytryptamine

Authors: Yingying Wang, Xueman Chen, Qiaoyu Chen, Ning Zhou, Xin Wang, Alei Zhang, Kequan Chen, Pingkai Ouyang

Source: Microbial Cell Factories, Vol 21, Iss 1, Pp 1-9 (2022)

Subject Terms: Microbiology, QR1-502

File Description: electronic resource

Relation: https://doaj.org/toc/1475-2859

Access URL: https://doaj.org/article/02a6cfeac9174d74916ab75dc481a2b2

One-pot biosynthesis of N-acetylneuraminic acid from chitin via combination of chitin-degrading enzymes, N-acetylglucosamine-2-epimerase, and N-neuraminic acid aldolase

Authors: Quanzhen Liu, Guoguang Wei, Pengfan Yang, Chengyong Wang, Kequan Chen, Pingkai Ouyang, Alei Zhang

Source: Frontiers in Microbiology, Vol 14 (2023)

Subject Terms: N-Acetylneuraminic acid, N-acetyl-d-glucosamine, chitin, multi-enzyme catalysis, pyruvate, Microbiology, QR1-502

File Description: electronic resource

Relation: https://www.frontiersin.org/articles/10.3389/fmicb.2023.1156924/full; https://doaj.org/toc/1664-302X

Access URL: https://doaj.org/article/cdbd9b525d924500991836fff20da6f7

A novel bacterial β-N-acetyl glucosaminidase from Chitinolyticbacter meiyuanensis possessing transglycosylation and reverse hydrolysis activities

Authors: Alei Zhang, Xiaofang Mo, Ning Zhou, Yingying Wang, Guoguang Wei, Jie Chen, Kequan Chen, Pingkai Ouyang

Source: Biotechnology for Biofuels, Vol 13, Iss 1, Pp 1-14 (2020)

Subject Terms: β-N-acetyl glucosaminidase, N-Acetyl glucosamine, N-Acetyl chitooligosaccharides, Exo-acting activity, Transglycosylation, Reverse hydrolysis, Fuel, TP315-360, Biotechnology, TP248.13-248.65

File Description: electronic resource

Relation: http://link.springer.com/article/10.1186/s13068-020-01754-4; https://doaj.org/toc/1754-6834

Access URL: https://doaj.org/article/4c81ddbe9c68455dbd79c0aecb71dc64

Designing of an Efficient Whole-Cell Biocatalyst System for Converting L-Lysine Into Cis-3-Hydroxypipecolic Acid

Authors: Shewei Hu, Yangyang Li, Alei Zhang, Hui Li, Kequan Chen, Pingkai Ouyang

Source: Frontiers in Microbiology, Vol 13 (2022)

Subject Terms: ribosome binding sites, tricarboxylic acid cycle, reconstitute, α-ketoglutarate, whole-cell catalysis, Microbiology, QR1-502

File Description: electronic resource

Relation: https://www.frontiersin.org/articles/10.3389/fmicb.2022.945184/full; https://doaj.org/toc/1664-302X

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Characterization of a New Multifunctional GH20 β-N-Acetylglucosaminidase From Chitinibacter sp. GC72 and Its Application in Converting Chitin Into N-Acetyl Glucosamine

Authors: Yan Chen, Ning Zhou, Xueman Chen, Guoguang Wei, Alei Zhang, Kequan Chen, Pingkai Ouyang

Source: Frontiers in Microbiology, Vol 13 (2022)

Subject Terms: N-acetyl glucosamine, β-N-acetylglucosaminidase, transglycosylation activity, chitin, biochemical characterization, synergistic action, Microbiology, QR1-502

File Description: electronic resource

Relation: https://www.frontiersin.org/articles/10.3389/fmicb.2022.874908/full; https://doaj.org/toc/1664-302X

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Property and Function of a Novel Chitinase Containing Dual Catalytic Domains Capable of Converting Chitin Into N-Acetyl-D-Glucosamine

Authors: Chengyong Wang, Xueman Chen, Ning Zhou, Yan Chen, Alei Zhang, Kequan Chen, Pingkai Ouyang

Source: Frontiers in Microbiology, Vol 13 (2022)

Subject Terms: chitin, CmChi3, dual functional domains, N-acetyl-D-glucosamine, hydrolysis pattern, chitinase, Microbiology, QR1-502

File Description: electronic resource

Relation: https://www.frontiersin.org/articles/10.3389/fmicb.2022.790301/full; https://doaj.org/toc/1664-302X

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Identification of Chitinolytic Enzymes in Chitinolyticbacter meiyuanensis and Mechanism of Efficiently Hydrolyzing Chitin to N-Acetyl Glucosamine

Authors: Alei Zhang, Xiaofang Mo, Ning Zhou, Yingying Wang, Guoguang Wei, Zhikui Hao, Kequan Chen

Source: Frontiers in Microbiology, Vol 11 (2020)

Subject Terms: Chitinolyticbacter meiyuanensis SYBC-H1, complete genome sequencing, chitinolytic enzymes, chitin, N-acetyl glucosamine, Microbiology, QR1-502

File Description: electronic resource

Relation: https://www.frontiersin.org/articles/10.3389/fmicb.2020.572053/full; https://doaj.org/toc/1664-302X

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Immobilization and Purification of Enzymes With the Novel Affinity Tag ChBD-AB From Chitinolyticbacter meiyuanensis SYBC-H1

Authors: Jie Zhou, Jianhao Chen, Nisha Zhuang, Alei Zhang, Kequan Chen, Ning Xu, Fengxue Xin, Wenming Zhang, Weiliang Dong, Min Jiang

Source: Frontiers in Bioengineering and Biotechnology, Vol 8 (2020)

Subject Terms: chitin-binding domain, fusion tag, affinity chromatography, protein purification, protein immobilization, enzyme conversion, Biotechnology, TP248.13-248.65

File Description: electronic resource

Relation: https://www.frontiersin.org/article/10.3389/fbioe.2020.00579/full; https://doaj.org/toc/2296-4185

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Molecular characterization of a novel chitinase CmChi1 from Chitinolyticbacter meiyuanensis SYBC-H1 and its use in N-acetyl-d-glucosamine production

Authors: Alei Zhang, Yumei He, Guoguang Wei, Jie Zhou, Weiliang Dong, Kequan Chen, Pingkai Ouyang

Source: Biotechnology for Biofuels, Vol 11, Iss 1, Pp 1-14 (2018)

Subject Terms: Chitinolyticbacter meiyuanensis SYBC-H1, Multi-functional, Chitinase, Colloidal chitin, N-acetyl-d-glucosamine, Fuel, TP315-360, Biotechnology, TP248.13-248.65

File Description: electronic resource

Relation: http://link.springer.com/article/10.1186/s13068-018-1169-x; https://doaj.org/toc/1754-6834

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Cadaverine Production From L-Lysine With Chitin-Binding Protein-Mediated Lysine Decarboxylase Immobilization

Authors: Ning Zhou, Alei Zhang, Guoguang Wei, Sai Yang, Sheng Xu, Kequan Chen, Pingkai Ouyang

Source: Frontiers in Bioengineering and Biotechnology, Vol 8 (2020)

Subject Terms: cadaverine, lysine decarboxylase, chitin-binding domain, immobilization, chitin, Biotechnology, TP248.13-248.65

File Description: electronic resource

Relation: https://www.frontiersin.org/article/10.3389/fbioe.2020.00103/full; https://doaj.org/toc/2296-4185

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Biocatalytic Synthesis of Two Furan-Based Amino Compounds 2-Acetyl-4-aminofuran and 3-Acetylamino-5-(α-aminoethyl)-furan from Chitin Resources.

Authors: Chaoqiang Wu, Xin Zhang, Wei Liu, Chengyong Wang, Qianqian Jiang, Feifei Chen, Quanzhen Liu, Fei Cao, Gaowei Zheng, Alei Zhang, Kequan Chen

Source: ACS Sustainable Chemistry & Engineering; 7/29/2024, Vol. 12 Issue 30, p11145-11154, 10p

One-pot biosynthesis of N-acetylneuraminic acid from chitin via combination of chitin-degrading enzymes, N-acetylglucosamin e-2-epimerase, and N-neuraminic acid aldolase.

Authors: Quanzhen Liu, Guoguang Wei, Pengfan Yang, Chengyong Wang, Kequan Chen, Pingkai Ouyang, Alei Zhang

Source: Frontiers in Microbiology; 3/21/2023, Vol. 14, p1-7, 7p

Subject Terms: MULTIENZYME complexes, BIOSYNTHESIS, CHITIN, DIETARY supplements, ENZYMES, ACIDS

Preparation of 3-aceta mido-5-acetylfuran from N-acetylglucosamine and chitin using biobased deep eutectic solvents as catalysts.

Authors: Chaoqiang Wu, Chengyong Wang, Alei Zhang, Kequan Chen, Fei Cao, Pingkai Ouyang

Source: Reaction Chemistry & Engineering; Aug2022, Vol. 7 Issue 8, p1742-1749, 8p