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  • Open Access

    ARTICLE

    Genetic Diversity and Population Structure Analysis of Barley Landraces from Shanghai Region Using Genotyping-by-Sequencing

    Luli Li1,2, Nigel G. Halford3, Huihui Wang4, Yingjie Zong1, Zhenzhu Guo1, Ruiju Lu1, Chenghong Liu1, Zhiwei Chen1,*

    Phyton-International Journal of Experimental Botany, Vol.92, No.4, pp. 1275-1287, 2023, DOI:10.32604/phyton.2023.026946

    Abstract Barley (Hordeum vulgare L.) is an important economic crop for food, feed and industrial raw materials. In the present research, 112 barley landraces from the Shanghai region were genotyped using genotyping-by-sequencing (GBS), and the genetic diversity and population structure were analyzed. The results showed that 210,268 Single Nucleotide Polymorphisms (SNPs) were present in total, and the average poly-morphism information content (PIC) was 0.1642. Genetic diversity and population structure analyses suggested that these barley landraces were differentiated and could be divided into three sub-groups, with morphological traits of row-type and adherence of the hulls the main distinguishing factors between groups. Genotypes… More >

  • Open Access

    REVIEW

    The Genetic and Biochemical Mechanisms Underlying Cereal Seed Dormancy

    Sasa Jing1, Yuan Tian1, Heng Zhang2, John T. Hancock3, Ying Zhu2,*, Ping Li1,*

    Phyton-International Journal of Experimental Botany, Vol.92, No.4, pp. 1203-1214, 2023, DOI:10.32604/phyton.2023.026305

    Abstract The crop seeds have been a staple food for humans, and seed yield is important for sustaining agriculture development and enhancing human adaptability to food risks. The phenomenon of pre-harvest sprouting (PHS), caused by seed dormancy deficiency, and the phenomenon of low seedling emergence caused by seed deep dormancy, will lead to a reduction in agricultural production. Therefore, it is particularly important to understand the regulation mechanisms of seed dormancy. There are many studies on the regulation of seed dormancy in rice, but there are few studies on the regulation of seed dormancy in other crops, and the research on… More >

  • Open Access

    ARTICLE

    Comparative Analysis of the Photosynthetic Characteristics and Active Compounds of Semiliquidambar cathayensis Chang Heteromorphic Leaves

    Xiaoming Tian*, Guangfeng Xiang, Hao Lv, Jing Peng, Lu Zhu

    Phyton-International Journal of Experimental Botany, Vol.92, No.3, pp. 837-850, 2023, DOI:10.32604/phyton.2023.024408

    Abstract In the present study, the variation patterns of leaf shape in different populations of individual Semiliquidambar cathayensis plants were analyzed to investigate the relationship among leaf shape variation, photosynthetic properties, and active compounds to understand the genetic characteristics of S. cathayensis and screen elite germplasms. The leaf shape of 18 offspring from three natural S. cathayensis populations was analyzed to investigate the level of diversity and variation patterns of leaf shape. Furthermore, photosynthetic pigment content, physiological parameters of photosynthesis, and the active compounds in leaves of different shapes were determined. Statistical analysis showed that the leaf shape variation in  S. cathayensisMore >

  • Open Access

    ARTICLE

    Improvement of Cemented Gangue Backfill Material with Barium Hydroxide in Acid Mine Water

    Xiaoli Ye1,2, Yuxia Guo1,2,*, Peng Wang1,2, Yonghui Zhao1,2, Wenshuo Xie1,2, Guorui Feng1,2

    Journal of Renewable Materials, Vol.11, No.3, pp. 1451-1467, 2023, DOI:10.32604/jrm.2022.023528

    Abstract As a kind of green concrete, the mechanical properties and durability of cemented gangue backfill material (CGBM) will be affected if they are in acid mine water with sulfate ions in the long term. To improve the performance of CGBM in acid mine water with sulfate ions, CGBM specimens with different doses of barium hydroxide were immersed in sulfuric acid solutions of different concentrations for 270 days. The changes of mass, ultrasonic pulse velocity (UPV) and compressive strength of the specimens at different ages were analyzed. Scanning electron microscopy (SEM) and X-ray diffraction (XRD) were used to analyze the microstructure… More > Graphic Abstract

    Improvement of Cemented Gangue Backfill Material with Barium Hydroxide in Acid Mine Water

  • Open Access

    REVIEW

    Valorization of Aloe barbadensis Miller. (Aloe vera) Processing Waste

    Jeltzlin Semerel1, Nigel John1, Wim Dehaen2, Pedro Fardim3,*

    Journal of Renewable Materials, Vol.11, No.3, pp. 1031-1061, 2023, DOI:10.32604/jrm.2022.023449

    Abstract Aloe vera plant is known worldwide for its medicinal properties and application in gel-based products such as shampoo, soap, and sunscreen. However, the demand for these gel-based products has led to a surplus production of Aloe vera processing waste. An Aloe vera gel processing facility could generate up to 4000 kg of Aloe vera waste per month. Currently the Aloe vera waste is being disposed to the landfill or used as fertilizer. A sustainable management system for the Aloe vera processing waste should be considered, due to the negative societal and environmental impacts of the currents waste disposal methods. Therefore,… More > Graphic Abstract

    Valorization of <i>Aloe barbadensis</i> Miller. (<i>Aloe vera</i>) Processing Waste

  • Open Access

    ARTICLE

    Leaf Wettability Difference Among Tea Leaf Ages and Analysis Based on Microscopic Surface Features

    Qingmin Pan1, Yongzong Lu1, Liang Xue2, Yongguang Hu1,*

    Phyton-International Journal of Experimental Botany, Vol.92, No.2, pp. 411-421, 2023, DOI:10.32604/phyton.2022.023437

    Abstract The wettability of leaf surface, commonly represented by contact angle (CA), affects various physiological and physical processes. The present study aims to better understand the wettability of tea leaves and elucidate its influence on the energy barrier of the droplet condensation process. The CA values of different leaf ages (young, mature and old) of five famous tea cultivars (Maolu, longjing 43, Huangjinya, Zhongcha 108 and Anji Baicha) were measured via the sessile drop method, and the micro-morphology of two cultivars leaves (Maolu, Zhongcha 108) was investigated by a 3D super depth-of-field digital microscope. Specifically, two radically distinctive types of CA… More >

  • Open Access

    REVIEW

    Regulation of pathological blood-brain barrier for intracranial enhanced drug delivery and anti-glioblastoma therapeutics

    KAI WANG2,#, FENGTIAN ZHANG1,3,4,#, CHANGLONG WEN5, ZHIHUA HUANG6, ZHIHAO HU1, YUWEN ZHANG1, FUQIANG HU2,*, LIJUAN WEN1,6,*

    Oncology Research, Vol.29, No.5, pp. 351-363, 2021, DOI:10.32604/or.2022.025696

    Abstract The blood-brain barrier (BBB) is an essential component in regulating and maintaining the homeostatic microenvironment of the central nervous system (CNS). During the occurrence and development of glioblastoma (GBM), BBB is pathologically destroyed with a marked increase in permeability. Due to the obstruction of the BBB, current strategies for GBM therapeutics still obtain a meager success rate and may lead to systemic toxicity. Moreover, chemotherapy could promote pathological BBB functional restoration, which results in significantly reduced intracerebral transport of therapeutic agents during multiple administrations of GBM and the eventual failure of GBM chemotherapy. The effective delivery of intracerebral drugs still… More >

  • Open Access

    ARTICLE

    Advanced glycation end-products change placental barrier function and tight junction in rats with gestational diabetes mellitus via the receptor for advanced glycation end products/nuclear factor-κB pathway

    YUEHUA SHI1,#, QIUYING YAN2,#, QIN LI3, WEI QIAN1, DONGYAN QIAO1, DONGDONG SUN2, HONG YU1,*

    BIOCELL, Vol.47, No.1, pp. 165-173, 2023, DOI:10.32604/biocell.2022.023043

    Abstract The placenta plays an important role in nutrient transport to maintain the growth and development of the embryo. Gestational diabetes mellitus (GDM), the most common complication during pregnancy, highly affects placental function in late gestation. Advanced glycation end-products (AGEs), a complex and heterogeneous group of compounds engaged by the receptor for AGEs (RAGE), are closely associated with diabetes-related complications. In this study, AGEs induced a decrease in the expression of tight junction (TJ) proteins in BeWo cells and increased the paracellular permeability of trophoblast cells by regulating RAGE/NF-κB. Sprague-Dawley (SD) rats injected with 100 mg/kg AGEs-rat serum albumin (RSA) via… More >

  • Open Access

    REVIEW

    The Presence of Human Papillomavirus and Epstein-Barr Virus Infection in Gastric Cancer: A Systematic Study

    Abolfazl Jafari-Sales1, Afsoon Shariat1,*, Hossein Bannazadeh Baghi2, Behzad Baradaran3, Behboud Jafari4

    Oncologie, Vol.24, No.3, pp. 413-426, 2022, DOI:10.32604/oncologie.2022.024161

    Abstract Background and Aim: Gastric cancer (GC) is one of the most common infection-related malignancies worldwide. Human Papillomavirus (HPV) and Epstein-Barr virus (EBV) are among the most important viruses affecting many people worldwide. The potential role of these viruses in gastric tissue may explain the possibility of GC, as seen in Helicobacter pylori (H. pylori). This study aimed to systematically investigate the presence of HPV and EBV in GC. Methods: According to the Preferred Reporting Items for Systematic reviews and Meta-Analyses (PRISMA) guidelines, this study is a systematic review based on reported cases. The keywords HPV, EBV and GC, were searched… More >

  • Open Access

    ARTICLE

    Material Properties and Molecular Aspects of Highly Acetylated Starch-Based Films

    Kristine Koch1,*, Daniel Johansson2, Kalle Johansson3, Karin Svegmark4

    Journal of Renewable Materials, Vol.2, No.2, pp. 134-144, 2014, DOI:10.7569/JRM.2014.634110

    Abstract Properties of starch triacetate fi lms from different botanical origins were evaluated. Tensile and barrier properties, glass transition temperatures and moisture uptake were measured, and the molecular structure was characterised. High-amylose starches were good fi lm formers, normal potato starch formed continuous but brittle fi lms and potato amylopectin formed very brittle fi lms even after plasticisation. Barley amylopectin did not form continuous fi lms. Different plasticisers were studied and diacetin was shown to perform better than the standard plasticiser triacetin. All fi lms were water resistant, and the best fi lms gave water vapour barriers in the range of… More >

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