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  • Open Access

    ARTICLE

    Nitrogen/Phosphorus Ratio Affected the Growth of an Invasive Plant Alternanthera philoxeroides under Cadmium Stress

    Rui Zhang1, Le Ren1, Zhihang Liu1, Xinyue Gu1, Shanshan Du1, Xiao Chen1, Bingran Xi1, Bingnan Zhao1,2, Chao Si1,*

    Phyton-International Journal of Experimental Botany, Vol.94, No.3, pp. 709-721, 2025, DOI:10.32604/phyton.2025.062281 - 31 March 2025

    Abstract Plant invasion poses a serious environmental challenge to freshwater ecosystems. Heavy metal pollution and nutrient enrichment, particularly nitrogen (N) and phosphorus (P), are two additional critical environmental issues known to influence the growth of invasive plants. Notably, the N/P ratio in the environments is often inconstant; however, whether these variations can cause differential responses in invasive plants remains underexplored, despite its crucial importance for understanding plant invasiveness. In this study, we examined the effects of different N/P ratios (4:1, 16:1, 32:1, 64:1) on the growth of a widespread invasive plant Alternanthera philoxeroides in cadmium (Cd) polluted… More >

  • Open Access

    ARTICLE

    Investigating the Mutagenic Impact of Cadmium Nitrate on Cytomorphological and Physiological Attributes in Nigella sativa L. Cultivars

    Parul Verma1, Sana Choudhary1, Neha Naaz1,*, Nidhi Sharma1, Nora M. Al Aboud2, Fatmah Ahmed Safhi3, Diaa Abd El Moneim4,*

    Phyton-International Journal of Experimental Botany, Vol.93, No.12, pp. 3347-3372, 2024, DOI:10.32604/phyton.2024.057592 - 31 December 2024

    Abstract Cadmium (Cd) is a highly toxic heavy metal pollutant primarily introduced into the environment through anthropogenic activities. In plants, the absorption and retention of Cd lead to a cascade of morphological, physiological, and cytological alterations. Nigella sativa L., also known as black cumin, is an annual herb with important commercial and medicinal uses. Thymoquinone, the primary bioactive compound in Nigella sativa L., is renowned for its potential health benefits. The current experiment aimed to ascertain the effects of various concentrations (10, 20, 30, 40 and 50 ppm) of cadmium nitrate (Cd(NO3+)2) on two Nigella sativa cultivars (AN20 and… More >

  • Open Access

    ARTICLE

    Transcription Factors and Retained Intron Act Vital Roles in Cadmium Stress Response of Medicinal Model Plant Salvia miltiorrhiza

    Jun Yuan1, Rongpeng Liu4, Xiaoyun Wang3,*, Haihui Fu2,*

    Phyton-International Journal of Experimental Botany, Vol.93, No.9, pp. 2267-2284, 2024, DOI:10.32604/phyton.2024.055338 - 30 September 2024

    Abstract Cadmium (Cd) has seriously affected the quality of traditional Chinese medicinal material Salvia miltiorrhiza in recent years, threatening human health. The physiological and metabolic profiles of S. miltiorrhiza in response to Cd stress have been revealed in previous studies. However, transcriptional and post-transcriptional regulation in response to different degrees of Cd (0, 25, 50, and 100 mg/kg) stress in S. miltiorrhiza remains unclear. Here, transcriptome atlas in S. miltiorrhiza under different degrees of Cd Stress was unveiled using RNA sequencing (RNA-seq). These results showed that the profiles of gene expression were different in the response to Cd treatment. Defense More >

  • Open Access

    ARTICLE

    Physiological and Biochemical Responses of Perennial Ryegrass Mixed Planting with Legumes under Heavy Metal Pollution

    Yi Xi, Li Zhang, Yanhong Xu, Wei Cheng, Chao Chen*

    Phyton-International Journal of Experimental Botany, Vol.93, No.7, pp. 1749-1765, 2024, DOI:10.32604/phyton.2024.051793 - 30 July 2024

    Abstract In artificially controlled pot experiments, perennial ryegrass was mixed with other leguminous plants (white clover and alfalfa) and treated with lead, zinc and cadmium (337 mg·kg, 648 mg·kg, and 9 mg·kg, respectively) to simulate compound pollution conditions. The results showed that the concentrations of heavy metals, transport factors, and bioconcentration factors in mixed planting of ryegrass decreased compared with those in monoculture. Regardless of whether heavy metal pollution was introduced, mixed planting increased the aboveground and underground biomasses of ryegrass. The different mixed planting treatments had no significant impact on the chlorophyll concentration of ryegrass.… More >

  • Open Access

    ARTICLE

    Combined Application of Biostimulants and EDTA Improved Wheat Productivity under Cadmium Stress

    Abida Aziz1, Shafiqa Bano1, Mubshar Hussain2, Muhammad Farooq Azhar3, Ghulam Yasin3, Naila Hadayat4, Iqra Arooj5, Abeer Hashem6, Ajay Kumar7, Elsayed Fathi Abd_Allah8, Qamar uz Zaman9,10,*

    Phyton-International Journal of Experimental Botany, Vol.93, No.7, pp. 1647-1665, 2024, DOI:10.32604/phyton.2024.050974 - 30 July 2024

    Abstract Wheat (Triticum aestivum L.) exhibits a greater capacity for cadmium (Cd) absorption compared to other cereal crops, leading to elevated daily Cd intake, and posing a significant threat to public health. For the mitigation of Cd stress in sustainable and environmentally friendly way, a pot study was designed by using exogenous application of various biostimulants, i.e., Nigella sativa and Ocimum sanctum extracts: 0%, 10%, and 20% in combination with the chelating agent ethylenediaminetetraacetic acid (EDTA) using 0 and 5 mg kg under various levels of Cd stress (i.e., 0, 5, 10, and 15 mg kg soil). Results revealed… More > Graphic Abstract

    Combined Application of Biostimulants and EDTA Improved Wheat Productivity under Cadmium Stress

  • Open Access

    ARTICLE

    Cloning of and analysis of cadmium resistant in Potentilla sericea

    ZHENGHONG FENG1, BING GAO1, YU GAO2, JIANHUI WU1,*

    BIOCELL, Vol.47, No.7, pp. 1571-1582, 2023, DOI:10.32604/biocell.2023.029106 - 21 June 2023

    Abstract Background:Potentilla sericea is a heavy metal hyperaccumulator landscaping plant. MYB transcription factors play an important role in regulating plant stress response to adversity. However, there are few studies on MYB transcription factors in stress tolerance in Potentilla sericea. In this study, the gene was successfully cloned from Potentilla sericea. Methods: Bioinformatic analysis and real-time quantitative PCR (qPCR) methods were used to evaluate this gene. The transgenic A. thaliana were obtained by flower dipping and the gene function was identified by determining physiological indicators under cadmium stress. Results: The open reading frame of is 942 bp, which encodes 313 amino… More >

  • Open Access

    REVIEW

    Application of Silicon and Selenium in Rice for Reducing Cadmium Stress

    Mohammad Reza Boorboori, Husen Qiu, Jieyun Liu, Haiyang Zhang*

    Phyton-International Journal of Experimental Botany, Vol.92, No.6, pp. 1873-1886, 2023, DOI:10.32604/phyton.2023.027924 - 11 April 2023

    Abstract Rice is an essential part of the human diet in most parts of the world; On the other hand, the industrialization of societies has led to pollution of the environment, including heavy metal contamination of soil and water, which negatively affects rice production and quality. Therefore, finding ways to increase the yield and quality of this strategic crop seems essential. Several studies have been conducted in recent decades to find effective and inexpensive solutions to reduce the adverse effects of heavy metals in rice fields. Due to the negative effect of cadmium pollution on rice More >

  • Open Access

    ARTICLE

    Subcellular Distribution and Chemical Forms of Cadmium in the Medicine Food Homology Plant Platycodon grandiflorum (Jacq.) A.DC.

    Jia An#, Xiang Wang#, Yajiang Jing, Jianping Huang, Qilong Wang, Gang Zhang, Jing Gao, Liang Peng, Wenli Huang*, Yonggang Yan*

    Phyton-International Journal of Experimental Botany, Vol.92, No.5, pp. 1405-1420, 2023, DOI:10.32604/phyton.2023.026525 - 09 March 2023

    Abstract Although Platycodon grandiflorum (Jacq.) A.DC. is a renowned medicine food homology plant, reports of excessive cadmium (Cd) levels are common, which affects its safety for clinical use and food consumption. To enable its Cd levels to be regulated or reduced, it is necessary to first elucidate the mechanism of Cd uptake and accumulation in the plant, in addition to its detoxification mechanisms. This present study used inductively couple plasma-mass-spectrometry to analyze the subcellular distribution and chemical forms of Cd in different tissues of P. grandiflorum. The experimental results showed that Cd was mainly accumulated in the roots… More >

  • Open Access

    ARTICLE

    Modeling Date Palm Trunk Fibers (DPTF) Packed Bed Adsorption Performances for Cadmium Removal from Aqueous Wastewater

    Ahmad S. Awad1.*, Banan Hudaib2, Waid Omar2

    FDMP-Fluid Dynamics & Materials Processing, Vol.19, No.6, pp. 1535-1549, 2023, DOI:10.32604/fdmp.2023.024300 - 30 January 2023

    Abstract In this study, the potential of a low-cost bio-adsorbent, taken directly from Date Palm Trunk Fibers (DPTF) agricultural wastes, for cadmium ions removal from wastewaters is examined. The performances of this adsorbent are evaluated by building breakthrough curves at different bed heights and flow rates while keeping other parameters, such as the initial feed concentration, pH, and particle size, constant. The results indicate that the maximum cadmium adsorption capacity of DTPF can be obtained from the Thomas model as 51.5 mg/g with the most extended mass transfer zone of 83 min at the lowest flow More > Graphic Abstract

    Modeling Date Palm Trunk Fibers (DPTF) Packed Bed Adsorption Performances for Cadmium Removal from Aqueous Wastewater

  • Open Access

    ARTICLE

    The Application of Fertilizer and AMF Promotes Growth and Reduces the Cadmium and Lead Contents of Ryegrass (Lolium multiflorum L.) in a Copper Mining Area

    Jiaxin Chen1,#, Jiawei Guo1,#, Zhixin Yang1, Jiqing Yang2,*, Hengwen Dong3, Huiyun Wang3, Yalei Wang3, Fangdong Zhan1,*

    Phyton-International Journal of Experimental Botany, Vol.92, No.2, pp. 471-485, 2023, DOI:10.32604/phyton.2022.023660 - 12 October 2022

    Abstract Heavy metal-polluted soil was collected from the Pulang copper mine in Shangri-La City, Yunnan Province, Southwest China. The effects of fertilizer (organic and inorganic) and arbuscular mycorrhizal fungi (AMF) on ryegrass (Lolium multiflorum L.) growth, root morphology, mineral nutrition and cadmium (Cd) and lead (Pb) contents were investigated by pot experiments. The results showed that both fertilizer and AMF significantly ameliorated the root morphology and mineral nutrition, reduced the Cd and Pb contents, and promoted the growth of ryegrass. Among all treatments, the combined application of organic–inorganic compound fertilizer with AMF had the highest effect, resulting… More >

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