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Zhu Z, Ding X, Rang J, Xia L. Application and research progress of ARTP mutagenesis in actinomycetes breeding. Gene 2024; 929:148837. [PMID: 39127415 DOI: 10.1016/j.gene.2024.148837] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2024] [Revised: 08/06/2024] [Accepted: 08/07/2024] [Indexed: 08/12/2024]
Abstract
Atmospheric and room temperature plasma (ARTP) is an emerging artificial mutagenesis breeding technology. In comparison to traditional physical and chemical methods, ARTP technology can induce DNA damage more effectively and obtain mutation strains with stable heredity more easily after screening. It possesses advantages such as simplicity, safety, non-toxicity, and cost-effectiveness, showing high application value in microbial breeding. This article focuses on ARTP mutagenesis breeding of actinomycetes, specifically highlighting the application of ARTP mutagenesis technology in improving the performance of strains and enhancing the biosynthetic capabilities of actinomycetes. We analyzed the advantages and challenges of ARTP technology in actinomycetes breeding and summarized the common features, specific mutation sites and metabolic pathways of ARTP mutagenic strains, which could give guidance for genetic modification. It suggested that the future research work should focus on the establishment of high throughput rapid screening methods and integrate transcriptomics, proteomics, metabonomics and other omics to delve into the genetic regulations and synthetic mechanisms of the bioactive substances in ARTP mutated actinomycetes. This article aims to provide new perspectives for actinomycetes breeding through the establishment and application of ARTP mutagenesis technology, thereby promoting source innovation and the sustainable industrial development of actinomycetes.
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Affiliation(s)
- Zirong Zhu
- Hunan Provincial Key Laboratory of Microbial Molecular Biology, State Key Laboratory of Developmental Biology of Freshwater Fish, College of Life Science, Hunan Normal University, Changsha 410081, Hunan, China
| | - Xuezhi Ding
- Hunan Provincial Key Laboratory of Microbial Molecular Biology, State Key Laboratory of Developmental Biology of Freshwater Fish, College of Life Science, Hunan Normal University, Changsha 410081, Hunan, China
| | - Jie Rang
- Hunan Provincial Key Laboratory of Microbial Molecular Biology, State Key Laboratory of Developmental Biology of Freshwater Fish, College of Life Science, Hunan Normal University, Changsha 410081, Hunan, China
| | - Liqiu Xia
- Hunan Provincial Key Laboratory of Microbial Molecular Biology, State Key Laboratory of Developmental Biology of Freshwater Fish, College of Life Science, Hunan Normal University, Changsha 410081, Hunan, China.
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Hao YY, Xiao WQ, Zhang HN, Yu NN, Park G, Han YH, Kwon T, Sun HN. Peroxiredoxin 1 modulates oxidative stress resistance and cell apoptosis through stemness in liver cancer under non-thermal plasma treatment. Biochem Biophys Res Commun 2024; 738:150522. [PMID: 39154551 DOI: 10.1016/j.bbrc.2024.150522] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2024] [Revised: 07/31/2024] [Accepted: 08/07/2024] [Indexed: 08/20/2024]
Abstract
The role of peroxiredoxin 1 (PRDX1), a crucial enzyme that reduces reactive oxygen and nitrogen species levels in HepG2 human hepatocellular carcinoma (HCC) cells, in the regulation of HCC cell stemness under oxidative stress and the underlying mechanisms remain largely unexplored. Here, we investigated the therapeutic potential of non-thermal plasma in targeting cancer stem cells (CSCs) in HCC, focusing on the mechanisms of resistance to oxidative stress and the role of PRDX1. By simulating oxidative stress conditions using the plasma-activated medium, we found that a reduction in PRDX1 levels resulted in a considerable increase in HepG2 cell apoptosis, suggesting that PRDX1 plays a key role in oxidative stress defense mechanisms in CSCs. Furthermore, we found that HepG2 cells had higher spheroid formation capability and increased levels of stem cell markers (CD133, c-Myc, and OCT-4), indicating strong stemness. Interestingly, PRDX1 expression was notably higher in HepG2 cells than in other HCC cell types such as Hep3B and Huh7 cells, whereas the expression levels of other PRDX family proteins (PRDX 2-6) were relatively consistent. The inhibition of PRDX1 expression and peroxidase activity by conoidin A resulted in markedly reduced stemness traits and increased cell death rate. Furthermore, in a xenograft mouse model, PRDX1 downregulation considerably inhibited the formation of solid tumors after plasma-activated medium (PAM) treatment. These findings underscore the critical role of PRDX 1 in regulating stemness and apoptosis in HCC cells under oxidative stress, highlighting PRDX1 as a promising therapeutic target for NTP-based treatment in HCC.
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Affiliation(s)
- Ying-Ying Hao
- Stem Cell and Regenerative Biology Laboratory, College of Life Science & Biotechnology, Heilongjiang Bayi Agricultural University, Heilongjiang, Daqing, 163319, China
| | - Wan-Qiu Xiao
- Stem Cell and Regenerative Biology Laboratory, College of Life Science & Biotechnology, Heilongjiang Bayi Agricultural University, Heilongjiang, Daqing, 163319, China
| | - Hui-Na Zhang
- Stem Cell and Regenerative Biology Laboratory, College of Life Science & Biotechnology, Heilongjiang Bayi Agricultural University, Heilongjiang, Daqing, 163319, China
| | - Nan-Nan Yu
- Stem Cell and Regenerative Biology Laboratory, College of Life Science & Biotechnology, Heilongjiang Bayi Agricultural University, Heilongjiang, Daqing, 163319, China; Plasma Bioscience Research Center, Department of Electrical and Biological Physics, Kwangwoon University, Seoul, 01897, Republic of Korea
| | - Gyungsoon Park
- Plasma Bioscience Research Center, Department of Electrical and Biological Physics, Kwangwoon University, Seoul, 01897, Republic of Korea
| | - Ying-Hao Han
- Stem Cell and Regenerative Biology Laboratory, College of Life Science & Biotechnology, Heilongjiang Bayi Agricultural University, Heilongjiang, Daqing, 163319, China
| | - Taeho Kwon
- Primate Resources Center, Korea Research Institute of Bioscience and Biotechnology (KRIBB), Jeongeup-si, Jeonbuk, 56216, Republic of Korea; Department of Applied Biological Engineering, KRIBB School of Biotechnology, Korea National University of Science and Technology (UST), Daejeon, 34113, Republic of Korea.
| | - Hu-Nan Sun
- Stem Cell and Regenerative Biology Laboratory, College of Life Science & Biotechnology, Heilongjiang Bayi Agricultural University, Heilongjiang, Daqing, 163319, China.
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Zheng J, Tu C, Du P, Chen J, Li Y, Gao S, Lin J, Bao F. On-Demand Transport Bubbles Adhering to Noncontiguous Patterned Superhydrophobic Surfaces Using a Superhydrophobic Tweezer. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2024; 40:15322-15331. [PMID: 38981013 DOI: 10.1021/acs.langmuir.4c02063] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/11/2024]
Abstract
Bubble transportation and related flotation are ubiquitous phenomena in nature and industry. Various surfaces with distinct morphologies and specific wettability properties have been engineered by organisms in nature and by humans to facilitate the targeted movement of bubbles. However, existing methods predominantly rely on continuous surfaces, limiting the ability of bubbles to deviate from their path before reaching their intended destination. Therefore, directional transportation of bubbles using noncontiguous surfaces still remains a significant challenge. Inspired by water spiders' ability to capture bubbles underwater using their hydrophobic surface for survival, we propose a novel transport strategy that utilizes patterned superhydrophobic surfaces (PSHSs) and a superhydrophobic tweezer. This strategy is implemented by switching between the hood mode and puncture mode of the moving three-phase contact lines to load and unload the bubble. To quantitatively evaluate the loss ratio of the bubble during transportation, a simple and exquisite bubble-weighing apparatus is devised. Our findings indicate that circular PSHSs demonstrate superior bubble adhesion and achieve the highest bubble transport ratio of 95.1%. In order to validate the promising application of this novel method, we employ the computer numerical control (CNC) technology to facilitate the autonomous loading and precise transportation of underwater bubbles, as well as the blending and ionization of combustible gas bubbles with air bubbles at different volume ratios.
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Affiliation(s)
- Jingyi Zheng
- Zhejiang Provincial Key Laboratory of Flow Measurement Technology, China Jiliang University, Hangzhou 310018, China
| | - Chengxu Tu
- Zhejiang Provincial Key Laboratory of Flow Measurement Technology, China Jiliang University, Hangzhou 310018, China
| | - Pengfei Du
- Zhejiang Provincial Key Laboratory of Flow Measurement Technology, China Jiliang University, Hangzhou 310018, China
| | - Ji Chen
- Zhejiang Provincial Key Laboratory of Flow Measurement Technology, China Jiliang University, Hangzhou 310018, China
| | - Yichen Li
- Zhejiang Provincial Key Laboratory of Flow Measurement Technology, China Jiliang University, Hangzhou 310018, China
| | - Shanqing Gao
- Zhejiang Provincial Key Laboratory of Flow Measurement Technology, China Jiliang University, Hangzhou 310018, China
| | - Jianzhong Lin
- Key Laboratory of Impact and Safety Engineering (Ningbo University), Ministry of Education, Ningbo 315201, China
| | - Fubing Bao
- Zhejiang Provincial Key Laboratory of Flow Measurement Technology, China Jiliang University, Hangzhou 310018, China
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Karthik C, Mavelil-Sam R, Thomas S, Thomas V. Cold Plasma Technology Based Eco-Friendly Food Packaging Biomaterials. Polymers (Basel) 2024; 16:230. [PMID: 38257029 PMCID: PMC10821393 DOI: 10.3390/polym16020230] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2023] [Revised: 01/04/2024] [Accepted: 01/07/2024] [Indexed: 01/24/2024] Open
Abstract
Biopolymers have intrinsic drawbacks compared to traditional plastics, such as hydrophilicity, poor thermo-mechanical behaviours, and barrier characteristics. Therefore, biopolymers or their film modifications offer a chance to create packaging materials with specified properties. Cold atmospheric plasma (CAP) or Low temperature plasma (LTP) has a wide range of applications and has recently been used in the food industry as a potent tool for non-thermal food processing. Though its original purpose was to boost polymer surface energy for better adherence and printability, it has since become an effective technique for surface decontamination of food items and food packaging materials. These revolutionary innovative food processing methods enable the balance between the economic constraints and higher quality while ensuring food stability and minimal processing. For CAP to be considered as a viable alternative food processing technology, it must positively affect food quality. Food products may have their desired functional qualities by adjusting the conditions for cold plasma formation. Cold plasma is a non-thermal method that has little effects on the treated materials and is safe for the environment. In this review, we focus on recent cold plasma advances on various food matrices derived from plants and animals with the aim of highlighting potential applications, ongoing research, and market trends.
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Affiliation(s)
- Chandrima Karthik
- Department of Mechanical and Materials Engineering, University of Alabama at Birmingham (UAB), Birmingham, AL 35294, USA;
| | - Rubie Mavelil-Sam
- College of Science and Engineering, James Cook University, Townsville, QLD 4811, Australia;
- School of Nanoscience and Nanotechnology, Mahatma Gandhi University, Kottayam 686560, India;
| | - Sabu Thomas
- School of Nanoscience and Nanotechnology, Mahatma Gandhi University, Kottayam 686560, India;
- Trivandrum Engineering Science and Technology Research Park (TrEST), Thiruvananthapuram 695016, India
| | - Vinoy Thomas
- Department of Mechanical and Materials Engineering, University of Alabama at Birmingham (UAB), Birmingham, AL 35294, USA;
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