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  • 1
    Online Resource
    Online Resource
    One-Pot Synthesis of Pyrite Nanoplates Supported on Chitosan Hydrochar as Fenton Catalysts for Organics Removal from Water
    MDPI AG ; 2022
    In:  Catalysts Vol. 12, No. 8 ( 2022-08-03), p. 858-
    Details
    In: Catalysts, MDPI AG, Vol. 12, No. 8 ( 2022-08-03), p. 858-
    Abstract: The Fenton reaction is a powerful method for removing refractory pollutants from water, yet it is restricted by shortcomings such as pH adjustments and generation of iron-containing sludge. In this study, a highly dispersed pyrite nanoplate supported on chitosan hydrochar was prepared through a simple one-pot hydrothermal method. The interactions between chitosan and Fe3+ suppressed the accumulation of FeS2 in the crystal growth period and led to the formation of pyrite nanoplates with many exposed (210) facets. Thus, it showed excellent Fenton-like activity and the removal efficiency of AR 73 reached 99.9% within 60 min. The catalyst could be used in a wide pH range of 3~10. Hydroxyl radicals are the main reactive oxygen species in this catalytic system. The self-reduction of generated Fe(III) species by sulfur via inner electron transfer promoted the Fe(II)/Fe(III) redox cycle, and the presence of graphene facilitated the adsorption of pollutants. This catalyst also showed good reuse performances as well as stability, which has promising prospects for practical use in wastewater treatment.
    Type of Medium: Online Resource
    ISSN: 2073-4344
    URL: Article
    DOI: 10.3390/catal12080858
    Language: English
    Publisher: MDPI AG
    Publication Date: 2022
    detail.hit.zdb_id: 2662126-5
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  • 2
    Online Resource
    Online Resource
    Genome-Wide Characterization of the sHsp Gene Family in Salix suchowensis Reveals Its Functions under Different Abiotic Stresses
    MDPI AG ; 2018
    In:  International Journal of Molecular Sciences Vol. 19, No. 10 ( 2018-10-19), p. 3246-
    Details
    In: International Journal of Molecular Sciences, MDPI AG, Vol. 19, No. 10 ( 2018-10-19), p. 3246-
    Abstract: Small heat shock proteins (sHsps) function mainly as molecular chaperones that play vital roles in response to diverse stresses, especially high temperature. However, little is known about the molecular characteristics and evolutionary history of the sHsp family in Salix suchowensis, an important bioenergy woody plant. In this study, 35 non-redundant sHsp genes were identified in S. suchowensis, and they were divided into four subfamilies (C, CP, PX, and MT) based on their phylogenetic relationships and predicted subcellular localization. Though the gene structure and conserved motif were relatively conserved, the sequences of the Hsp20 domain were diversified. Eight paralogous pairs were identified in the Ssu-sHsp family, in which five pairs were generated by tandem duplication events. Ka/Ks analysis indicated that Ssu-sHsps had undergone purifying selection. The expression profiles analysis showed Ssu-Hsps tissue-specific expression patterns, and they were induced by at least one abiotic stress. The expression correlation between two paralogous pairs (Ssu-sHsp22.2-CV/23.0-CV and 23.8-MT/25.6-MT) were less than 0.6, indicating that they were divergent during the evolution. Various cis-acting elements related to stress responses, hormone or development, were detected in the promoter of Ssu-sHsps. Furthermore, the co-expression network revealed the potential mechanism of Ssu-sHsps under stress tolerance and development. These results provide a foundation for further functional research on the Ssu-sHsp gene family in S. suchowensis.
    Type of Medium: Online Resource
    ISSN: 1422-0067
    URL: Article
    DOI: 10.3390/ijms19103246
    Language: English
    Publisher: MDPI AG
    Publication Date: 2018
    detail.hit.zdb_id: 2019364-6
    SSG: 12
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  • 3
    Online Resource
    Online Resource
    The WUSCHELa (PtoWUSa) is Involved in Developmental Plasticity of Adventitious Root in Poplar
    MDPI AG ; 2020
    In:  Genes Vol. 11, No. 2 ( 2020-02-06), p. 176-
    Details
    In: Genes, MDPI AG, Vol. 11, No. 2 ( 2020-02-06), p. 176-
    Abstract: WUSCHEL-RELATED HOMEOBOX (WOX) transcription factors play critical roles in cell fate determination during plant development. As the founding member of the WOX family, WUSCHEL (WUS) is characterized for its role in maintaining stem cell in meristem. In this study, we investigated the function of Populus tomentosa WUSCHELa (PtoWUSa) in adventitious roots (ARs) in poplar. Expression profile analysis showed that PtoWUSa was not only expressed in shoot apical meristem and stem, but also expressed in ARs. Ectopic expression of PtoWUSa in Arabidopsis resulted in shortened primary root, as well as agravitropism and multiple branches. Overexpression of PtoWUSa in poplar increased the number of ARs but decreased their length. Moreover, the AR tip and lateral root tip became larger and swollen. In addition, the expression of auxin transporter genes PIN-FORMED were downregulated in ARs of transgenic plant. Taken together, these results suggest that PtoWUSa could be involved in AR development in poplar through regulating the polar auxin transport in ARs.
    Type of Medium: Online Resource
    ISSN: 2073-4425
    URL: Article
    DOI: 10.3390/genes11020176
    Language: English
    Publisher: MDPI AG
    Publication Date: 2020
    detail.hit.zdb_id: 2527218-4
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  • 4
    Online Resource
    Online Resource
    Antagonistic Effect of Trichoderma longibrachiatum (TL6 and TL13) on Fusarium solani and Fusarium avenaceum Causing Root Rot on Snow Pea Plants
    MDPI AG ; 2022
    In:  Journal of Fungi Vol. 8, No. 11 ( 2022-10-29), p. 1148-
    Details
    In: Journal of Fungi, MDPI AG, Vol. 8, No. 11 ( 2022-10-29), p. 1148-
    Abstract: Snow pea root rot in China is caused by Fusarium solani (FSH) and Fusarium avenaceum (FAH), which affect snow pea production. The chemical control methods used against FSH and FAH are toxic to the environment and resistance may be developed in persistence applications. Therefore, an alternative approach is needed to control these pathogens. This study focuses on Trichoderma longibrachiatum strains (TL6 and TL13), mycoparasitic mechanisms of FSH and FAH, as well as growth-promoting potentials on snow pea seedlings under FSH and FAH stress at the physiological, biochemical, and molecular levels. The average inhibitory rates of TL6 against FSH and FAH were 54.58% and 69.16%, respectively, on day 7. Similarly, TL13 average inhibitory rates against FSH and FAH were 59.06% and 71.27%, respectively, on day 7. The combined TL13 and TL6 with FSH and FAH reduced disease severity by 86.6, 81.6, 57.60, and 60.90%, respectively, in comparison to the controls. The snow pea plants inoculated with FSH and FAH without TL6 and TL13 increased malondialdehyde (MDA) and hydrogen peroxide (H2O2) contents in the leaves by 64.8, 66.0, 64.4 and 65.9%, respectively, compared to the control. However, the combined FSH and FAH with TL6 and TL13 decreased the MDA and H2O2 content by 75.6, 76.8, 70.0, and 76.4%, respectively, in comparison to the controls. In addition, the combined TL6 + FSH and TL6 + FAH increased the activity of superoxide dismutase (SOD), peroxidase (POD), and catalase (CAT) by 60.5, 64.7, and 60.3%, respectively, and 60.0, 64.9, and 56.6%, respectively, compared to the controls. Again, compared to the controls, the combined TL13 + FSH and TL13 + FAH increased the activity of SOD, POD, and CAT by 69.7, 68.6, and 65.6%, respectively, and 70.10, 69.5, and 65.8%, respectively. Our results suggest that the pretreatment of snow pea seeds with TL6 and TL13 increases snow pea seedling growth, controls FSH and FAH root rot, increases antioxidant enzyme activity, and activates plant defense mechanisms. The TL13 strain had the greatest performance in terms of pathogen inhibition and snow pea growth promotion compared to the TL6 strain.
    Type of Medium: Online Resource
    ISSN: 2309-608X
    URL: Article
    DOI: 10.3390/jof8111148
    Language: English
    Publisher: MDPI AG
    Publication Date: 2022
    detail.hit.zdb_id: 2784229-0
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  • 5
    Online Resource
    Online Resource
    Increasing Sustainability Literacy for Environmental Design Students: A Transdisciplinary Learning Practice
    MDPI AG ; 2022
    In:  Sustainability Vol. 14, No. 19 ( 2022-09-29), p. 12379-
    Details
    In: Sustainability, MDPI AG, Vol. 14, No. 19 ( 2022-09-29), p. 12379-
    Abstract: Nowadays, the urban water system is facing many challenges which affect the sustainable development of society. This requires higher education institutions to develop people with a diversity of knowledge and complex problem-solving capacities. This paper presents a practical case of transdisciplinary learning for junior students of environmental design at NingboTech University (Ningbo, China). The course “Environmental Engineering and Technology” ran from 1 March to 24 April 2022. A total of 25 students were instructed in the theories of urban water environmental engineering and then worked in groups to complete a design project for a river ecological restoration. The outcomes were analyzed from the perspective of combining engineering and landscape design. At the end of the course, students volunteered to take an online questionnaire about course evaluation. Students responded highly positively to the course, achieved growth in sustainability literacy, and developed skills in transdisciplinary learning. It also confirms the importance of outdoor education and project-based teaching. Additionally, the lowering of the requirement for mathematical skills through the internet tools usage and the formation of multidisciplinary teams are expected to improve future teaching outcomes. These results provide new insights for educators into the integration of the disciplines between design and engineering.
    Type of Medium: Online Resource
    ISSN: 2071-1050
    URL: Article
    DOI: 10.3390/su141912379
    Language: English
    Publisher: MDPI AG
    Publication Date: 2022
    detail.hit.zdb_id: 2518383-7
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