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Selected Papers from the 2nd International Conference on Sustainable Waste...
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Selected Papers from the 2nd International Conference on Sustainable Waste Treatment and Management (SWTM-2021)

A special issue of International Journal of Environmental Research and Public Health (ISSN 1660-4601). This special issue belongs to the section "Water Science and Technology".

Deadline for manuscript submissions: closed (31 July 2022) | Viewed by 2161

Special Issue Editors

Dr. Ronghua Li

E-Mail Website
Guest Editor
Department of Environmental Engineering and Sciences, Northwest A&F University, No. 3 Taicheng Road, Yangling 712100, China
Interests: organic waste management; compost; wastewater purification; wastewater recycle and reuse; biochar; hydrochar; hydrogel; adsorption
Dr. Quan Wang

E-Mail Website
Guest Editor
College of Natural Resources and Environment, Northwest A&F University, Yangling 712100, Shaanxi Province, China
Interests: waste management; microplastics; sewage sludge composting; resource recover; biochar
Special Issues, Collections and Topics in MDPI journals
Prof. Dr. Zengqiang Zhang

grade E-Mail Website
Guest Editor
College of Natural Resources and Environment, Northwest A&F University, Yangling 712100, China
Interests: waste treatment; soil heavy metal pollution monitoring
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

The 2nd International Conference on Sustainable Waste Treatment and Management (SWTM-2021) organizing committee takes pleasure in inviting papers presented at this conference on 15–18 July 2021 held in Yangling, China. The manuscript should be submitted before 30 July 2022. The major sub-themes for the conference include (1) bioelectric and biomagnetic technology for energy and fuels, (2) bio-instrumentation in waste management, (3) biomass to fuels and chemicals/biochemicals, (4) bioprocessing of mining solid waste and resource recovery, (5) biotechnology and molecular engineering for solid waste conversion, (6) decontamination of emerging/persistent organic pollutants and their fate, (7) greenhouse gas emissions and mitigations in the solid waste management sectors, (8) industrial bioprocesses and product development using solid agro-industrial wastes, (9) integrated biorefineries based on solid biowastes, (10) municipal solid waste treatment and management, (11) nanotechnology and its applications in solid waste treatment, (12) resource recovery from solid wastes and wastewater, and (13) effects of organic waste product agricultural utilization on the environment. 

Dr. Ronghua Li
Dr. Quan Wang
Prof. Dr. Zengqiang Zhang
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. International Journal of Environmental Research and Public Health is an international peer-reviewed open access monthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2500 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • aerobic composting
  • anaerobic fermentation
  • pyrolysis
  • biochar-based composite
  • landfilling
  • solid waste management
  • plastic waste
  • microplastic
  • heavy metal
  • organic pollutant
  • environmental risk
  • heavy metal pollution

Published Papers (1 paper)

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Research

17 pages, 6244 KiB  
Article
Transcriptome and HPLC Analysis Reveal the Regulatory Mechanisms of Aurantio-Obtusin in Space Environment-Induced Senna obtusifolia Lines
by Renjun Mao, Zhenqing Bai, Jiawen Wu, Ruilian Han, Xuemin Zhang, Weiguo Chai and Zongsuo Liang
Int. J. Environ. Res. Public Health 2022, 19(2), 898; https://doi.org/10.3390/ijerph19020898 - 14 Jan 2022
Cited by 1 | Viewed by 1669
Abstract
Senna obtusifolia is a famous medicinal plant that is widely used in Asian countries. Its seed plays an important role in the treatment of many diseases because it contains various anthraquinones and flavonoids. Our previous studies have indicated that three space environment-induced S. [...] Read more.
Senna obtusifolia is a famous medicinal plant that is widely used in Asian countries. Its seed plays an important role in the treatment of many diseases because it contains various anthraquinones and flavonoids. Our previous studies have indicated that three space environment-induced S. obtusifolia lines (SP-lines) i.e., QC10, QC29, and QC46, have higher seed yield and aurantio-obtusin (AO) content. However, the underlying mechanism of higher AO content in SP-lines is still unknown. Herein, transcriptome sequencing and HPLC were employed to analyze the differences between SP-lines and ground control (GC3) and elucidate the regulatory mechanisms of AO accumulation in SP-lines. The results show that 4002 differentially expressed genes (DEGs) were identified in SP-lines versus (vs.) GC3. DEGs in the QC10 vs. GC3, QC29 vs. GC3, and QC46 vs. GC3 comparisons were classified into 28, 36, and 81 GO terms and involved in 63, 74, and 107 Kyoto Encyclopedia of Genes and Genomes (KEGG) pathways. KEGG pathway and gene expression analysis revealed that DEGs involved in anthraquinone pathways were significantly elevated in QC10 and QC46. Integrating the results of GO annotation, KEGG enrichment, and gene expression analysis, we propose that the elevated genes such as DAHPS, DHQS, and MenB enhance the metabolic flux in the anthraquinone pathway and promote AO content in QC10 and QC46. Taken together, this study elucidated the mechanism of AO content in SP-lines and provides valuable genetic information for S. obtusifolia. In addition, to the best of our knowledge, this study presents the first transcriptome analysis of environment-induced medicinal plants and paves the way to select elite S. obtusifolia varieties in the future. Full article
(This article belongs to the Special Issue Selected Papers from the 2nd International Conference on Sustainable Waste Treatment and Management (SWTM-2021))
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