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  • Open Access

    ARTICLE

    Uniting the Role of Entomopathogenic Fungi against Rhizoctonia solani JG Kühn, the Causal Agent of Cucumber Damping-Off and Root Rot Diseases

    Abdelhak Rhouma1, Lobna Hajji-Hedfi1,*, Nahla Alsayd Bouqellah2,*, Pravin Babasaheb Khaire3, Samar Dali1, Omaima Bargougui1, Amira Khlif1, Laith Khalil Tawfeeq Al-Ani4

    Phyton-International Journal of Experimental Botany, Vol.93, No.11, pp. 2857-2881, 2024, DOI:10.32604/phyton.2024.057591 - 30 November 2024

    Abstract Beauveria bassiana and Metarhizium spp. are entomopathogenic fungi with potential applications beyond insect pest control, including plant disease suppression, plant growth promotion, and rhizosphere colonization. This study investigated the plant growth-promoting characteristics and extracellular enzyme activities of Metarhizium spp. and B. bassiana in relation to phytopathogen interactions and plant growth. Additionally, the efficacy of these fungi in mitigating damping-off and root rot caused by Rhizoctonia solani on cucumber plants was evaluated in vitro and in vivo. Results indicate that B. bassiana and M. anisopliae produce indole-3-acetic acid, hydrocyanic acid, and hydrolytic enzymes. Seed treatment with these fungi significantly reduced disease severity (3.85%–1.86%, respectively)… More >

  • Open Access

    ARTICLE

    Prospective Cohort Research of Aortic Root Dilatation after Surgical Repair in Adults with Tetralogy of Fallot (TRANSIT)

    Hiroki Nagamine1, Masaru Miura1,*, Jun Maeda1, Takumi Nishiki1, Maasa Sato2, Fumie Takechi3, Shigeru Tateno4, Tomoko Ishizu5, Yumi Shiina6, Ken Kato7, Hiroshi Ono8, Hiroyuki Yamagishi9, Koichiro Niwa6

    Congenital Heart Disease, Vol.19, No.4, pp. 351-362, 2024, DOI:10.32604/chd.2024.051837 - 31 October 2024

    Abstract Background: Aortic root dilatation occurs in adults with tetralogy of Fallot (TOF) after surgical repair, but the longitudinal changes are unclear. The main research aim is to determine the annual dilatation rate of aorta in adults with repaired TOF. Methods: The present, multicentric, prospective cohort study assessed the rate of aortic diameter change in adults aged 20 years or older with TOF, including pulmonary artery atresia, who underwent surgical repair. Clinical data, focusing on echocardiograms, were collected at three-year intervals from seven hospitals. Results: In total, 104 patients (58 males; median age: 29 years) were enrolled.… More > Graphic Abstract

    Prospective Cohort Research of Aortic Root Dilatation after Surgical Repair in Adults with Tetralogy of Fallot (TRANSIT)

  • Open Access

    ARTICLE

    Heterosis Analysis in Endogenous Substances in Root Bleeding Sap of Sorghum

    Renjie Zhao1, Yueqiao Li2, Chen Xu2, Zhian Zhang1,*, Ziyang Zhou2,*, Yihan Zhou3, Zexin Qi1

    Phyton-International Journal of Experimental Botany, Vol.93, No.8, pp. 1963-1980, 2024, DOI:10.32604/phyton.2024.053072 - 30 August 2024

    Abstract Despite hybrid dominance contributing to the genetic improvement of crops, little is known about heterosis and inheritance patterns of endogenous substances in sorghum (Sorghum bicolor (L.) Moench) root bleeding sap. In this study, six sterile and six restorer lines of sorghum and 36 hybrid sorghum combinations formulated as incomplete double-row crosses were selected as test materials, and heterosis, combining ability, heritability, and their interrelationships of root bleeding sap endogenous substances in different hybrid sorghum combinations and their parents were investigated. The results showed that the root bleeding sap of the F1 generation of hybrid sorghum had… More >

  • Open Access

    ARTICLE

    Association between Mental Health Literacy and Workplace Well-Being of Chinese Grassroots Civil Servants: The Chain Mediating Effects of Regulatory Emotional Self-Efficacy and Resilience

    Yi Tang1, Yajun Zhao2, Zihan Jin3, Shengnan Wu1,*, Zhijun Zhang4, Ju Zhou1, Ling Zhou5

    International Journal of Mental Health Promotion, Vol.26, No.7, pp. 559-568, 2024, DOI:10.32604/ijmhp.2024.050822 - 30 July 2024

    Abstract This study aimed to investigate the relationship between mental health literacy (MHL) and workplace well-being (WWB) of Chinese grassroots civil servants, with regulatory emotional self-efficacy (RESE) and resilience as mediating variables. A questionnaire survey was conducted among Chinese grassroots civil servants, with a valid sample size of 2673 after excluding missing values and conducting relevant data processing. The PROCESS was used to examine the relationship between MHL, RESE, resilience, and WWB. The study found that MHL among grassroots civil servants was positively and significantly correlated with WWB (r = 0.73, p < 0.01). RESE partially mediated… More >

  • Open Access

    ARTICLE

    The MtRGF6 Peptide Differentially Regulates Root Development and Symbiotic Nodulation of Medicago truncatula and Lotus japonicus

    Junhui Yan1, Yawen Wang1, Qiong Li1, Yu Zhou2, Xu Wang2,*, Li Luo1,*

    Phyton-International Journal of Experimental Botany, Vol.93, No.6, pp. 1237-1248, 2024, DOI:10.32604/phyton.2024.051517 - 27 June 2024

    Abstract Rhizobia induces nitrogen-fixing nodules in legumes used in agricultural production, providing a direct source of combined nitrogen to leguminous crops. Small peptides, such as CLAVATA3/EMBRYO SURROUNDING REGION peptides (CLE), are known to regulate the formation and development of nitrogen-fixing nodules in legumes. Root meristem growth factor (RGF) peptides from Medicago truncatula not only regulate root development but also modulate nodulation symbiosis with Sinorhizobium meliloti. However, the impact of RGF peptides from one leguminous species on the others remains unclear. In this study, we investigate the effects of the RGF family peptide MtRGF6p from M. truncatula on nodulation symbiosis… More >

  • Open Access

    ARTICLE

    Transcriptome-Wide Identification and Functional Analysis of PgSQE08-01 Gene in Ginsenoside Biosynthesis in Panax ginseng C. A. Mey.

    Lei Zhu1,#, Lihe Hou1,3,#, Yu Zhang1, Yang Jiang1, Yi Wang1,2, Meiping Zhang1,2, Mingzhu Zhao1,2,*, Kangyu Wang1,2,*

    Phyton-International Journal of Experimental Botany, Vol.93, No.2, pp. 313-327, 2024, DOI:10.32604/phyton.2024.047938 - 27 February 2024

    Abstract Panax ginseng C. A. Mey. is an important plant species used in traditional Chinese medicine, whose primary active ingredient is a ginsenoside. Ginsenoside biosynthesis is not only regulated by transcription factors but also controlled by a variety of structural genes. Nonetheless, the molecular mechanism underlying ginsenoside biosynthesis has always been a topic in the discussion of ginseng secondary metabolites. Squalene epoxidase (SQE) is a key enzyme in the mevalonic acid pathway, which affects the biosynthesis of secondary metabolites such as terpenoid. Using ginseng transcriptome, expression, and ginsenoside content databases, this study employed bioinformatic methods to systematically… More >

  • Open Access

    ARTICLE

    A New Micropropagation Technology of Tilia amurensis: In Vitro Micropropagation of Mature Zygotic Embryos and the Establishment of a Plant Regeneration System

    Shijie Lin1, Zimo Wang1, Hongbo Zhu2, Conghui Wang3, Hongfeng Wang2, Dawei Zhang1, Tianbing Gou1, Guangdao Bao1, Ye Luo1, Huaijiang He1, Zhonghui Zhang1,*

    Phyton-International Journal of Experimental Botany, Vol.93, No.2, pp. 277-289, 2024, DOI:10.32604/phyton.2024.046989 - 27 February 2024

    Abstract Tilia amurensis is an economically valuable broadleaf tree species in Northeast China. The production of high-quality T. amurensis varieties at commercial scales has been greatly limited by the low germination rates. There is thus a pressing need to develop an organogenesis protocol for in vitro propagation of T. amurensis to alleviate a shortage of high-quality T. amurensis seedlings. Here, we established a rapid in vitro propagation system for T. amurensis from mature zygotic embryos and analyzed the effects of plant growth regulators and culture media in different stages. We found that Woody plant medium (WPM) was the optimal primary culture medium for… More >

  • Open Access

    ARTICLE

    Involvement of the ABA- and H2O2-Mediated Ascorbate–Glutathione Cycle in the Drought Stress Responses of Wheat Roots

    Mengyuan Li1, Zhongye Gao1,2, Lina Jiang1, Leishan Chen1,2,*, Jianhui Ma1,*

    Phyton-International Journal of Experimental Botany, Vol.93, No.2, pp. 329-342, 2024, DOI:10.32604/phyton.2024.046976 - 27 February 2024

    Abstract Abscisic acid (ABA), hydrogen peroxide (H2O2) and ascorbate (AsA)–glutathione (GSH) cycle are widely known for their participation in various stresses. However, the relationship between ABA and H2O2 levels and the AsA–GSH cycle under drought stress in wheat has not been studied. In this study, a hydroponic experiment was conducted in wheat seedlings subjected to 15% polyethylene glycol (PEG) 6000–induced dehydration. Drought stress caused the rapid accumulation of endogenous ABA and H2O2 and significantly decreased the number of root tips compared with the control. The application of ABA significantly increased the number of root tips, whereas the application… More >

  • Open Access

    ARTICLE

    Variation Characteristics of Root Traits of Different Alfalfa Cultivars under Saline-Alkaline Stress and their Relationship with Soil Environmental Factors

    Tian-Jiao Wei1, Guang Li1, Yan-Ru Cui1, Jiao Xie1, Xing-Ai Gao1, Xing Teng1, Xin-Ying Zhao1, Fa-Chun Guan1,*, Zheng-Wei Liang2,*

    Phyton-International Journal of Experimental Botany, Vol.93, No.1, pp. 29-43, 2024, DOI:10.32604/phyton.2023.046078 - 26 January 2024

    Abstract Soil salinization is the main factor that threatens the growth and development of plants and limits the increase of yield. It is of great significance to study the key soil environmental factors affecting plant root traits to reveal the adaptation strategies of plants to saline-alkaline-stressed soil environments. In this study, the root biomass, root morphological parameters and root mineral nutrient content of two alfalfa cultivars with different sensitivities to alkaline stress were analyzed with black soil as the control group and the mixed saline-alkaline soil with a ratio of 7:3 between black soil and saline-alkaline… More >

  • Open Access

    ARTICLE

    The Effect of Soil Enzymes and Polysaccharides Secreted by the Roots of Salvia miltiorrhiza Bunge under Drought, High Temperature, and Nitrogen and Phosphorus Deficits

    Yong Qin1,2, Xiaoyu Li1,2, Yanhong Wu1,2, Hai Wang3, Guiqi Han1,2,3, Zhuyun Yan1,2,*

    Phyton-International Journal of Experimental Botany, Vol.93, No.1, pp. 119-135, 2024, DOI:10.32604/phyton.2023.046075 - 26 January 2024

    Abstract Root exudates serve as crucial mediators for information exchange between plants and soil, and are an important evolutionary mechanism for plants’ adaptation to environmental changes. In this study, 15 different abiotic stress models were established using various stress factors, including drought (D), high temperature (T), nitrogen deficiency (N), phosphorus deficiency (P), and their combinations. We investigated their effects on the seedling growth of Salvia miltiorrhiza Bunge and the activities of Solid-Urease (S-UE), Solid-Nitrite Reductase (S-NiR), Solid-Nitrate Reductase (S-NR), Solid-Phosphotransferase (S-PT), and Solid-Catalase (S-CAT), as well as the contents of polysaccharides in the culture medium. The results… More >

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