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  • Open Access


    Transcriptome Analysis of Inflorescence Development at the Five-Leaf Stage in Castor (Ricinus communis L.)

    Yong Zhao1,#, Yaxuan Jiang3,#, Li Wen1, Rui Luo2, Guorui Li2, Jianjun Di2, Mingda Yin2, Zhiyan Wang2, Fenglan Huang2,4,5,6,7,*, Fanjuan Meng3,*

    Phyton-International Journal of Experimental Botany, Vol.93, No.4, pp. 713-723, 2024, DOI:10.32604/phyton.2024.047657

    Abstract The yield of castor is influenced by the type of inflorescence and the proportion of female flowers. However, there are few studies on the genetic mechanism involved in the development and differentiation of castor inflorescences. In this study, we performed transcriptomic analyses of three different phenotypes of inflorescences at the five-leaf stage. In comparison to the MI (complete pistil without willow leaves), 290 and 89 differentially expressed genes (DEGs) were found in the SFI (complete pistil with willow leaves) and the BI (monoecious inflorescence), respectively. Among the DEGs, 104 and 88 were upregulated in the… More >

  • Open Access


    Effects of Heterologously Overexpressing PIP5K-Family Genes in Arabidopsis on Inflorescence Development

    Mingda Yin1,#, Rui Luo1,#, Tana Liang1, Qi Wen1, Xiaotian Liang1, Yanpeng Wen1, Xuemei Hu1, Zhiyan Wang1, Chang Gao1, Wenjing Ren1, Fenglan Huang1,2,3,4,5,*

    Phyton-International Journal of Experimental Botany, Vol.93, No.1, pp. 97-117, 2024, DOI:10.32604/phyton.2023.031228

    Abstract Castor is one of the top 10 oil crops in the world and has extremely valuable uses. Castor inflorescences directly affect yield, so the study of inflorescence development is very important in increasing castor yield. Our previous studies have shown that the PIP5K gene family (PIP5Ks) is associated with inflorescence development. In this study, to determine the function of each PIP5K gene in castor, a female Lm-type castor line, aLmAB2, was used to determine the relative expression levels of the PIP5Ks in castor inflorescences. Six PIP5K genes were heterologously overexpressed in Arabidopsis thaliana, the relative expression of each gene… More >

  • Open Access


    Silencing of the Nonspecific Phospholipase C6 (NPC6) Gene Induces Ricinoleic Acid Accumulation in Castor Seeds

    Yong Zhao2,#, Lili Li1,#, Rui Luo1, Mu Peng1, Tongtong Jiang1, Mingda Yin1, Yanpeng Wen1, Zihan Wang1, Fenglan Huang1,4,5,6,7,*, Fanjuan Meng3,*

    Phyton-International Journal of Experimental Botany, Vol.92, No.12, pp. 3237-3250, 2023, DOI:10.32604/phyton.2023.031495

    Abstract Castor, scientifically known as Ricinus communis L., is among the top ten oil crops globally. It is considered a renewable resource and is commonly referred to as ‘green oil’. Castor seeds contain castor oil as their main component, which is predominantly composed of ricinoleic acid. This study utilized RNAi technology to silence the NPC6 gene in NO.2129 castor, resulting in the creation of mutant plants L1 and L2. The weight of 100 dry seed kernels from L1 and L2 exceeds that from NO.2129. The crude fat and ricinoleic acid levels of L1 and L2 were higher than… More >

  • Open Access


    Functional Studies of Castor (Ricinus communis L.) PLC Family Genes in Arabidopsis Inflorescence Development

    Yanpeng Wen1,#, Rui Luo1,#, Lili Li1, Xiaotian Liang1, Xuemei Hu1, Ruxin Li1, Zhiyan Wang1, Fenglan Huang1,2,3,4,5,*

    Phyton-International Journal of Experimental Botany, Vol.92, No.11, pp. 3091-3112, 2023, DOI:10.32604/phyton.2023.030960

    Abstract Castor (Ricinus communis L.) is one of the top 10 oil crops in the world, and inflorescence is a trait that directly affects its yield. Phospholipase C (PLCs) is involved in many plant activities and metabolic processes. To study the functions of PLC family genes in the regulation of the inflorescence development of the female line of Lm-type castor aLmAB2, we determined the expression levels of six PLC family genes of three types of inflorescences of aLmAB2 (isofemale line, female line, bisexual line) at different developmental stages. The results showed that the 6 genes of the castor PLCMore >

  • Open Access


    Proteomic Study of Differentially Expressed Proteins in Seeds between Parents and Offspring of Castor Bean (Ricinus communis L.)

    Xiaotian Liang1,#, Qi Wen1,#, Rui Luo1, Yanxin Zhang1, Mingda Yin1, Yanpeng Wen1, Xuemei Hu1, Zhiyan Wang1, Yumiao Huo1, Fenglan Huang1,2,3,4,5,6,*

    Phyton-International Journal of Experimental Botany, Vol.92, No.6, pp. 1765-1792, 2023, DOI:10.32604/phyton.2023.026935

    Abstract Castor bean (Ricinus communis L.), is one of the top 10 oilseed crops in the world and, therefore, of high economic value. Hybridization is one of the most effective ways to breed new varieties with high yield, high oil content, and better stress resistance. Therefore, prediction of desired traits in castor hybrid offspring is particularly important. In this study, proteomic analysis was performed to identify differentially expressed proteins (DEPs) in seeds between castor hybrid offspring and their female (Lm female line aLmAB2) and male parents (CSR·181). Among the DEPs upregulated in the seeds of hybrid offspring, the… More >

  • Open Access


    Proteomic Analyses of Three Inflorescence Styles of Castor (Ricinus communis L.) at Different Developmental Stages

    Xue Lei1,#, Yong Zhao2,#, Rui Luo1, Mingda Yin1, Yanpeng Wen1, Zhiyan Wang1, Xuemei Hu1, Fenglan Huang1,3,4,5,*

    Phyton-International Journal of Experimental Botany, Vol.92, No.5, pp. 1621-1632, 2023, DOI:10.32604/phyton.2023.027046

    Abstract Castor (Ricinus communis L.) is one of ten oil crops in the world and has complex inflorescence styles. Generally, castor has three inflorescence types: single female inflorescence (SiFF), standard female inflorescence (StFF) and bisexual inflorescence (BF). StFF is realized as a restorer line and as a maintainer line, which was applied to castor hybrid breeding. However, the developmental mechanism of the three inflorescences is not clear. Therefore, we used proteomic techniques to analyze different inflorescence styles. A total of 72 diferentially abundant protein species (DAPs) were detected. These DAPs are primarily involved in carbon and energy More >

  • Open Access


    Enhanced Water Resistance Performance of Castor Oil—Based Waterborne Polyurethane Modified by Methoxysilane Coupling Agents via Thiol-Ene Photo Click Reaction

    Zhipeng He1,2, Junqi Xue1,2, Yanzi Ke1,2, Ying Luo1,2,*, Qiming Lu1,2, Yuehua Xu1,2, Chaoqun Zhang1,2,*

    Journal of Renewable Materials, Vol.10, No.3, pp. 591-604, 2022, DOI:10.32604/jrm.2022.017790

    Abstract Nowadays, waterborne polyurethanes (WPUs) prepared from renewable resources has attracted more and more attention. However, due to its structure, the prepared films easily swells in water and greatly affects the application range of WPUs. Therefore, solving the problem of water resistance is a way to improve the application range of WPUs. In this study, a series of WPU dispersions were prepared using castor oil as the bio-based polyol. Besides, the thiol-ene photo click reaction was carried out on the WPU films for silane modification. The effect of the silane modification on the chemical structures of… More > Graphic Abstract

    Enhanced Water Resistance Performance of Castor Oil—Based Waterborne Polyurethane Modified by Methoxysilane Coupling Agents via Thiol-Ene Photo Click Reaction

  • Open Access


    Construction of castor functional markers fingerprint and analysis of genetic diversity


    BIOCELL, Vol.44, No.3, pp. 381-388, 2020, DOI:10.32604/biocell.2020.09112

    Abstract In order to provide a molecular basis for selecting good hybrid combinations for the identification of castor bean germplasm resources, fingerprint and genetic diversity analysis of 52 castor bean materials from 12 regions in 5 countries were constructed by using the Functinal Markers (FMs) associated with fatty acid metabolism-related genes. A total of 72 alleles were amplified by 29 pairs of FMs with an average of 2.483 per marker and the polymorphic information content was 0.103–0.695. Shannon’s information index (I), observed heterozygosity (Ho) and expected heterozygosity (He) were 0.699, 0.188 and 0.436 respectively. The clustering More >

  • Open Access


    Assessment of Castor Plant (Ricinus communis L.) Tolerance to Heavy Metal Stress-A Review

    Akwasi Yeboah1, Jiannong Lu1, Ting Yang1, Yuzhen Shi1, Hanna Amoanimaa-Dede1, Kwadwo Gyapong Agyenim Boateng2, Xuegui Yin1,*

    Phyton-International Journal of Experimental Botany, Vol.89, No.3, pp. 453-472, 2020, DOI:10.32604/phyton.2020.09267

    Abstract Increased urbanization and industrialization have greatly contributed to the emission of higher amount of heavy metals such as cadmium, nickel, and lead into the environment. These metals are non-biodegradable and toxic, causing much effects on plants and by extension to animals and humans, which have become a major global concern. The inherent ability of plants to resist heavy metal toxicity seems to be the most sustainable and cost-effective strategy. Castor plant is widely studied due to its tolerance to the effects of heavy metal contaminated soils, owing to its large biomass content and high accumulating… More >

  • Open Access


    Seed characteristics and fatty acid composition of castor (Ricinus communis L.) varieties in Northeast China

    Huang FL1,2, GL Zhu2,3, YS Chen1,2, FJ Meng4, M Peng1,4, XF Chen1,2, ZB He3, ZY Zhang3, YJ Chen1,2

    Phyton-International Journal of Experimental Botany, Vol.84, No.1, pp. 26-33, 2015, DOI:10.32604/phyton.2015.84.026

    Abstract Oil content and fatty acid composition were investigated on 12 castor varieties and strains by using the soxhlet extraction method and capillary gas chromatography. This was made to provide a reference and theoretical basis for castorbean breeding with high oil content, determine variability of seed compounds for breeding purposes, and broaden chemical material choices. Results revealed that crude fat percentage in seeds ranged from 18.91 to 35.84% with an average of 25.91%; the absolute content of ricinoleic acid varied between 171.65 g/kg and 314.03 g/kg with an average of 222.43 g/kg, and kernel crude fat… More >

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