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Deka Reine Judesse Soviguidi^1,2, Rui Pan¹, Yi Liu^1,2, Liping Rao^1,2, Wenying Zhang^1,*, Xinsun Yang^2,*
Phyton-International Journal of Experimental Botany, Vol.91, No.2, pp. 239-255, 2022, DOI:10.32604/phyton.2022.018284 - 26 September 2021
Abstract During the evolution, plants acquired the ability to synthesize different phenylpropanoid compounds like chlorogenic acid (CGA), which plays vital roles in resistance mechanisms to abiotic stresses. These environmental factors, including heavy metal, cold, heat, ultraviolet (UV) light, drought, and salinity affect the plant physiological processes, resulting in massive losses of agriculture production. As plants evolve from green algae to bryophytes, ferns, gymnosperms and angiosperms, phenylpropanoids are produced and accumulated in different tissues, giving the plant the capacity to counteract the harmful effects of the adverse environments. Studies have been performed on the metabolic evolution of… More >

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Fazli Wahid¹, Muhammad Sharif², Shah Fahad³, Amjad Ali⁴, Muhammad Adnan¹, Rafiullah¹, Shah Saud⁵, Subhan Danish^6,*, Muhammad Arif Ali⁶, Niaz Ahmed⁶, Hüseyin Arslan⁷, Doğan Arslan⁸, Murat Erman⁸, Ayman EL Sabagh^8,9,*, Fatemeh Gholizadeh¹⁰, Rahul Datta¹¹
Phyton-International Journal of Experimental Botany, Vol.91, No.2, pp. 257-278, 2022, DOI:10.32604/phyton.2022.016512 - 26 September 2021
Abstract Phosphorus (P) is a critical nutrient that plays an essential role in improving soil fertility for optimum plant growth and productivity. It is one of the most deficient macro-nutrients in agricultural soils after nitrogen and is considered inadequate for plant growth and production. To P availability in soils, the farmers are applying huge amounts of synthetic P fertilizers that adversely affect the wider environment, groundwater, soil fertility and microbial population. Many beneficial microbes are known to release and supply soluble P for improving growth and yield of a variety of plants in a sustainable manner… More >

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Yaru Zhu^1,2,3, Xiujun Zhang¹, Yansheng Zhang³, Shiyou Lü^1,4,*, Changfu Li^1,3,*
Phyton-International Journal of Experimental Botany, Vol.91, No.2, pp. 279-291, 2022, DOI:10.32604/phyton.2022.017625 - 26 September 2021
（This article belongs to the Special Issue: Plant Omics in Challenging Environment)
Abstract Tripterygium wilfordii has been renowned mostly because of the anticancer effects of its root extracts, which is partly ascribed to the presence of celastrol, a pentacyclic triterpenoid, as one of the main active components. Celastrol also has recently been reported as an effective prodrug in the treatment of obesity. Despite the promising activities, the pathway leading to celastrol biosynthesis, especially cytochrome P450 (CYP) enzyme(s) that occur in its downstream steps, are largely unknown. This study conducted a comparative analysis of the T. wilfordii transcriptome derived from its root and leaf tissues. Differential gene expression analysis identified a More >

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Svetla P. Gateva^1,*, Gabriele Jovtchev¹, Tsveta V. Angelova¹, Tzvetana P. Nonova², Nikolay Tyutyundzhiev³, Elena G. Geleva², Kostadin Katrandzhiev¹, Nina A. Nikolova², Dimitar Dimitrov⁴, Christo V. Angelov²
Phyton-International Journal of Experimental Botany, Vol.91, No.2, pp. 293-313, 2022, DOI:10.32604/phyton.2022.016397 - 26 September 2021
（This article belongs to the Special Issue: Plant Ecophysiology: Recent Trends and Advancements)
Abstract Plants in natural ecosystems are exposed to a combination of UV radiation, ionizing radiation (IR) and other abiotic factors. These factors change with the altitude. We investigated DNA alterations of some wild plants of different plant families in natural ecosystems at three altitudes in Rila Mountain, Bulgaria (1500, 1782, and 2925 m above sea level (a.s.l.) exposed to UV radiation, IR and other abiotic stresses, to assess the tolerance of plant species to the changing environmental conditions in three successive growth seasons. For this purpose, physicochemical, cytogenetic, and molecular methods were applied. DNA damage was assessed… More >

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Huifeng Li¹, Qiang Zhao², Hai Wang¹, Qinglong Dong^3,*, Yi Xu^4,*
Phyton-International Journal of Experimental Botany, Vol.91, No.2, pp. 315-331, 2022, DOI:10.32604/phyton.2022.016951 - 26 September 2021
（This article belongs to the Special Issue: Plant Ecophysiology: Recent Trends and Advancements)
Abstract BEL1-like homeodomain (BLH) family proteins are homeodomain transcription factors, which are found ubiquitously in plants and play important roles in regulating meristem and flower development. Although BLH proteins have been reported in some plant species, there is very little information available for plants in the Malus genus (e.g., apple tree:Malus domestica). In the present study, we identified 19 apple MdBLH genes. Phylogenetic analysis revealed that the MdBLH genes could be divided into five groups. Analysis of gene structure showed that MdBLH gene has four exons, and the third exon was 61 bp in length. Chromosomal location analysis suggested that… More >

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Wei Yang, Yuke Lin, Yanbin Xue, Meiqin Mao, Xuzixing Zhou, Hao Hu, Jiawen Liu, Lijun Feng, Huiling Zhang, Jiaheng Luo, Jun Ma^*
Phyton-International Journal of Experimental Botany, Vol.91, No.2, pp. 333-348, 2022, DOI:10.32604/phyton.2022.016862 - 26 September 2021
（This article belongs to the Special Issue: Plant Ecophysiology: Recent Trends and Advancements)
Abstract Ananas comosus var. bracteatus is an important ornamental plant because of its green/white chimeric leaves. The accumulation of anthocyanin makes the leaf turn to red especially in the marginal part. However, the red fades away in summer and winter. Light intensity is one of the most important factors affecting leaf color along the seasons. In order to understand the effects of light intensity on the growth and coloration of the chimeric leaves, Ananas comosus var. bracteatus was grown under full sunlight, 50% shade and 75% shade for 75 days to evaluate the concentration of pigments, the color parameters… More >

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1360

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Zhifeng Xiao, Yukun Jin, Qi Zhang, Abraham Lamboro, Baozhu Dong, Zhuoyu Yang, Piwu Wang^*
Phyton-International Journal of Experimental Botany, Vol.91, No.2, pp. 349-361, 2022, DOI:10.32604/phyton.2022.017451 - 26 September 2021
（This article belongs to the Special Issue: Plant Physiology for Crop Production and Sustainable Agriculture)
Abstract Soybean oleic acid content is one of the important indexes to evaluate the quality of soybean oil. In the synthesis pathway of soybean fatty acids, the FAD2 gene family is the key gene that regulates the production of linoleic acid from soybean oleic acid. In this study, CRISPR/Cas9 gene editing technology was used to regulate FAD2 gene expression. Firstly, the CRISPR/Cas9 single knockout vectors GmFAD2-1B and GmFAD2-2C and double knockout vectors GmFAD2-2A-3 were constructed. Then, the three vectors were transferred into the recipient soybean variety Jinong 38 by Agrobacterium-mediated cotyledon node transformation, and the mutant plants were obtained. More >

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Mengtong Liu¹, Yangyang Zhou¹, Tongyu Liu¹, Jianyu Lu¹, Jing Qu², Shuyan Guan^2,*, Yiyong Ma^2,*
Phyton-International Journal of Experimental Botany, Vol.91, No.2, pp. 363-374, 2022, DOI:10.32604/phyton.2022.016325 - 26 September 2021
（This article belongs to the Special Issue: Plant Physiology for Crop Production and Sustainable Agriculture)
Abstract Immature embryos of inbred maize (Zea mays) lines (H8183, H8184, and H8185) were used for Agrobacterium infection. We used the β-glucuronidase gene (GUS) as the target gene and the glufosinate resistance gene (bar) as the selection marker. We conducted research on several aspects, such as different genotypes, coculture conditions, screening agent concentrations, and concentrations of indole-3-butytric acid (IBA), 6-benzylaminopurine (6-BA), and ascorbic acid (Vc) in the differentiation medium. We optimized the genetic transformation system, and the obtained results indicated that among the three lines studied, the induction rate of H8185 was the highest at 93.2%, followed by H8184, More >

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Ping Zhang¹, Zhiyou Kong², Junna Liu¹, Yongjiang Liu¹, Qianchao Wang¹, Xiuju Huan¹, Li Li¹, Yunfeng Jiang³, Peng Qin^1,*
Phyton-International Journal of Experimental Botany, Vol.91, No.2, pp. 375-394, 2022, DOI:10.32604/phyton.2022.016358 - 26 September 2021
（This article belongs to the Special Issue: Plant Physiology for Crop Production and Sustainable Agriculture)
Abstract Drought is the main abiotic stress that restricts wheat production. The rapid development of sequencing technology and its widespread application to various fields have revealed the structural characteristics and regulation of related genes through gene expression analysis. Here, we studied responses of wheat plants under drought and re-watering conditions, using morphological and physiological indicators. Moreover, a transcriptome analysis was conducted on Jingmai 12, a drought-resistant wheat strain, to explore the mechanism underlying the response of drought-resistant wheat seedlings to drought stress at the transcriptome level. Drought stress caused morphological and physiological changes in both drought-resistant… More >

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1325

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Xueying Wang¹, Yonghong Hu^2,3, Fiza Liaquat⁴, Xianquan Zhang^2,3, Kang Ye^2,3, Jun Qin^2,3,*, Qunlu Liu^1,*
Phyton-International Journal of Experimental Botany, Vol.91, No.2, pp. 395-407, 2022, DOI:10.32604/phyton.2022.017981 - 26 September 2021
（This article belongs to the Special Issue: The Effect of Soil Quality Degradation on the Plant Growth, Quality and Food Safety in Subtropical Agroforestry Ecosystems)
Abstract Slow growth rate restricts the development and growth of seedlings due to nutrients deficiency or nutrient imbalance. Exponential fertilization can enhance the internal nutrient reserves in seedlings at the nursery-stage and strengthen their resistance to adverse conditions. In this study, nitrogen requirements for producing Hydrangea macrophylla ‘Hanatemari’ that robust seedlings, nutrient dynamics, biomass and growth, was examined utilizing exponential fertilization. The potted seedlings were fertilized with urea under exponential regime at rates of 0.5, 1.5 and 2.0 g nitrogen/plant (EF1, EF2, and EF3), respectively. In addition, an unfertilized group treated with equal volume of deionized water… More >

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1354

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Xiaoshan Guo^1,2, Dandan Huang², Siyu Wen², Yang Bai², Shuhua Zhu^2,*, Jianrong Feng^1,*
Phyton-International Journal of Experimental Botany, Vol.91, No.2, pp. 409-427, 2022, DOI:10.32604/phyton.2022.018022 - 26 September 2021
Abstract Low-temperature storage is convenient for postharvest preservation of peach fruit, but peach fruit is sensitive to cold damage, which lowers its quality. Nitric oxide (NO) has the potential to improve the bitter resistance of peach fruit. In this work, peach fruit was treated with 15 μmol L⁻¹ NO and 5 μmol L⁻¹ c-PTIO [2-(4-carboxyphenyl)-4,4,5,5-tetramethylimidazoline-1-oxo-3-oxide], to study changes in mitochondrial fatty acids and expression of the C-repeat binding factor (CBF). The results showed that 15 μmol L⁻¹ exogenous NO significantly maintained fruit quality, reduced peroxidation of mitochondrial fatty acids, increased the activities of the antioxidants superoxide dismutase (SOD),… More >

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Zui Tao¹, Tao Lei¹, Fangbo Cao¹, Jiana Chen¹, Xiaohong Yin^1,2, Tianfeng Liang^2,*, Min Huang^1,*
Phyton-International Journal of Experimental Botany, Vol.91, No.2, pp. 429-437, 2022, DOI:10.32604/phyton.2022.016955 - 26 September 2021
Abstract The “super rice” breeding program in China has been successful in developing high-yielding hybrids, including few with high harvest index values. However, there is limited information on the relationship between lodging resistance and harvest index, and the mechanisms underlying the relationship in super-rice hybrids. In this study, a two-year field experiment was conducted to compare lodging resistance and its related traits between two super-rice hybrids differing in harvest index, i.e., Guiliangyou 2 (G2) with a high harvest index and Y-liangyou 1 (Y1) with a typical harvest index of modern high-yielding rice varieties. Results showed that More >

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Md. Shamsul Arefin¹, Md. Ariful Islam², Md. Mokhlesur Rahman³, Md. Abdul Alim⁴, Sabry Hassan⁵, Mahmoud F. K. Soliman⁶, Mohamed M. Hassan^5,*, Rajan Bhatt⁷, Akbar Hossain^8,*
Phyton-International Journal of Experimental Botany, Vol.91, No.2, pp. 439-469, 2022, DOI:10.32604/phyton.2022.017359 - 26 September 2021
Abstract Sugarcane is one of the major important sugar yielding crops in Bangladesh. As an exhaustive crop, sugarcane removes a huge amount of plant nutrients from the soil. However, the combined use of organic and inorganic fertilizers can be a good approach to deal with nutrient depletion and promote sustainable crop production as well as improve soil health. Therefore, an attempt was made to identify the most fruitful and profitable integrated nutrient management on the aspects of growth, yield and quality of sugarcane in two consecutive growing seasons. Seven treatments: T₁=Control, T₂=165:55:120:30:10:2.5:4 kg N:P:K:S:Mg:Zn:B ha⁻¹, T₃=Poultry Litter (PL) at… More >

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