Articoli di riviste: "Sacred lotus"

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Mandal, R. N., e R. Bar. "The sacred lotus". Resonance 18, n. 8 (agosto 2013): 732–37. http://dx.doi.org/10.1007/s12045-013-0094-3.

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&NA;. "Farewell the Sacred Lotus". PACEsetterS 5, n. 1 (gennaio 2008): 33. http://dx.doi.org/10.1097/01.jbi.0000393355.40993.22.

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Zaidi, Aamena, e Arvind Kumar Srivastava. "NUTRITIONALAND THERAPEUTIC IMPORTANCE OF NELUMBO NUCIFERA (SACRED LOTUS)". Era's Journal of Medical Research 6, n. 2 (dicembre 2019): 98–102. http://dx.doi.org/10.24041/ejmr2019.138.

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Wang, Yu, Shenglu Shi, Ying Zhou, Yu Zhou, Jie Yang e Xiaoqing Tang. "Genome-wide identification and characterization of GRAS transcription factors in sacred lotus (Nelumbo nucifera)". PeerJ 4 (31 agosto 2016): e2388. http://dx.doi.org/10.7717/peerj.2388.

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The GRAS gene family is one of the most important plant-specific gene families, which encodes transcriptional regulators and plays an essential role in plant development and physiological processes. The GRAS gene family has been well characterized in many higher plants such asArabidopsis, rice, Chinese cabbage, tomato and tobacco. In this study, we identified 38 GRAS genes in sacred lotus (Nelumbo nucifera), analyzed their physical and chemical characteristics and performed phylogenetic analysis using the GRAS genes from eight representative plant species to show the evolution of GRAS genes inPlanta. In addition, the gene structures and motifs of the sacred lotus GRAS proteins were characterized in detail. Comparative analysis identified 42 orthologous and 9 co-orthologous gene pairs between sacred lotus andArabidopsis, and 35 orthologous and 22 co-orthologous gene pairs between sacred lotus and rice. Based on publically available RNA-seq data generated from leaf, petiole, rhizome and root, we found that most of the sacred lotus GRAS genes exhibited a tissue-specific expression pattern. Eight of the ten PAT1-clade GRAS genes, particularly NnuGRAS-05, NnuGRAS-10 and NnuGRAS-25, were preferentially expressed in rhizome and root. In summary, this is the firstin silicoanalysis of the GRAS gene family in sacred lotus, which will provide valuable information for further molecular and biological analyses of this important gene family.

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Temviriyanukul, Piya, Varittha Sritalahareuthai, Natnicha Promyos, Sirinapa Thangsiri, Kanchana Pruesapan, Wanwisa Srinuanchai, Onanong Nuchuchua, Dalad Siriwan, Nattira On-nom e Uthaiwan Suttisansanee. "The Effect of Sacred Lotus (Nelumbo nucifera) and Its Mixtures on Phenolic Profiles, Antioxidant Activities, and Inhibitions of the Key Enzymes Relevant to Alzheimer’s Disease". Molecules 25, n. 16 (14 agosto 2020): 3713. http://dx.doi.org/10.3390/molecules25163713.

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Sacred lotus (Nelumbo nucifera) has long been used as a food source and ingredient for traditional herbal remedies. Plant parts contain neuroprotective agents that interact with specific targets to inhibit Alzheimer’s disease (AD). Organic solvents including methanol, ethyl acetate, hexane, and n-butanol, are widely employed for extraction of sacred lotus but impact food safety. Seed embryo, flower stalk, stamen, old leaf, petal, and leaf stalk of sacred lotus were extracted using hot water (aqueous extraction). The extractions were analyzed for their bioactive constituents, antioxidant and anti-AD properties as key enzyme inhibitory activities toward acetylcholinesterase (AChE), butyrylcholinesterase (BChE), and β-secretase 1 (BACE-1). Results showed that the sacred lotus stamen exhibited significant amounts of phenolics, including phenolic acids and flavonoids, that contributed to high antioxidant activity via both single electron transfer (SET) and hydrogen atom transfer (HAT) mechanisms, with anti-AChE, anti-BChE, and anti-BACE-1 activities. To enhance utilization of other sacred lotus parts, a combination of stamen, old leaf and petal as the three sacred lotus plant components with the highest phenolic contents, antioxidant activities, and enzyme inhibitory properties was analyzed. Antagonist interaction was observed, possibly from flavonoids–flavonoids interaction. Further in-depth elucidation of this issue is required. Findings demonstrated that an aqueous extract of the stamen has potential for application as a functional food to mitigate the onset of Alzheimer’s disease.

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Menéndez-Perdomo, Ivette, e Peter Facchini. "Benzylisoquinoline Alkaloids Biosynthesis in Sacred Lotus". Molecules 23, n. 11 (6 novembre 2018): 2899. http://dx.doi.org/10.3390/molecules23112899.

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Sacred lotus (Nelumbo nucifera Gaertn.) is an ancient aquatic plant used throughout Asia for its nutritional and medicinal properties. Benzylisoquinoline alkaloids (BIAs), mostly within the aporphine and bisbenzylisoquinoline structural categories, are among the main bioactive constituents in the plant. The alkaloids of sacred lotus exhibit promising anti-cancer, anti-arrhythmic, anti-HIV, and anti-malarial properties. Despite their pharmacological significance, BIA metabolism in this non-model plant has not been extensively investigated. In this review, we examine the diversity of BIAs in sacred lotus, with an emphasis on the distinctive stereochemistry of alkaloids found in this species. Additionally, we discuss our current understanding of the biosynthetic genes and enzymes involved in the formation of 1-benzylisoquinoline, aporphine, and bisbenzylisoquinoline alkaloids in the plant. We conclude that a comprehensive functional characterization of alkaloid biosynthetic enzymes using both in vitro and in vivo methods is required to advance our limited knowledge of BIA metabolism in the sacred lotus.

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Tarnai, Tibor, e Koji Miyazaki. "Circle Packings and the Sacred Lotus". Leonardo 36, n. 2 (aprile 2003): 145–50. http://dx.doi.org/10.1162/002409403321554215.

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How must n non-overlapping equal circles be packed in a given circle so that the diameter of the circles will be as large as possible? This paper presents an account of this problem and its putative solutions and related configurations in lotus receptacles, classical Japanese mathematics (wasan) and traditional Japanese design. Particular emphasis is placed on the connection between the conjectural solutions of this discrete geometrical problem and the fruit arrangements in the receptacles of lotuses, because in most cases the actual fruit arrangements are identical to the mathematical solutions. As the lotus is an important symbol in Buddhism and lotus decorations are quite common in Japanese Buddhist art, packings of circles in a circle have been represented in Japanese art for centuries.

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Meng, Zhuang, Xiaoxu Hu, Zhiliang Zhang, Zhanjie Li, Qingfang Lin, Mei Yang, Pingfang Yang, Ray Ming, Qingyi Yu e Kai Wang. "Chromosome Nomenclature and Cytological Characterization of Sacred Lotus". Cytogenetic and Genome Research 153, n. 4 (2017): 223–31. http://dx.doi.org/10.1159/000486777.

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Sacred lotus is a basal eudicot plant that has been cultivated in Asia for over 7,000 years for its agricultural, ornamental, religious, and medicinal importance. A notable characteristic of lotus is the seed longevity. Extensive endeavors have been devoted to dissect its genome assembly, including the variety China Antique, which germinated from a 1,300-year-old seed. Here, cytogenetic markers representing the 10 largest megascaffolds, which constitute approximately 70% of the lotus genome assembly, were developed. These 10 megascaffolds were then anchored to the corresponding lotus chromosomes by fluorescence in situ hybridization using these cytogenetic markers, and a set of chromosome-specific cytogenetic markers that could unambiguously identify each of the 8 chromosomes was generated. Karyotyping was conducted, and a nomenclature based on chromosomal length was established for the 8 chromosomes of China Antique. Comparative karyotyping revealed relatively conserved chromosomal structures between China Antique and 3 modern cultivars. Interestingly, significant variations in the copy number of 45S rDNA were detected between China Antique and modern cultivars. Our results provide a comprehensive view on the chromosomal structure of sacred lotus and will facilitate further studies and the genome assembly of lotus.

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Ishizuna, Fumiko, e Nobuhiro Tsutsumi. "Flower Bud Formation of Sacred Lotus (Nelumbo nucifera Gaertn.): A Case Study of ‘Gyozankouren’ Grown in a Container". HortScience 49, n. 4 (aprile 2014): 516–18. http://dx.doi.org/10.21273/hortsci.49.4.516.

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The genus Nelumbo consists of two species, N. nucifera and N. lutea. N. nucifera is an ornamental and edible plant that is widely cultivated. Earlier studies of sacred lotus (N. nucifera) flowers focused mainly on morphology, phyllotaxis, leaf arrangements, and flower development. During the growing season, sacred lotus produces one foliage leaf at each node. Flower buds emerge from the abaxial side of the basal part of the foliage leaf. However, the number of blooming flowers is much less than the number of foliage leaves. Little is known concerning flower bud formation during lotus plant development. This is the first experimental study to reveal that every node has one flower bud even in the dormant shoot apex and that most of the formed flower buds aborted in the course of floral development. Our results suggest that flower bud formation of sacred lotus is independent of daylength. On the other hand, whether a formed bud reaches blooming may depend on environmental factors.

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&NA;. "In the spirit of the Sacred Lotus". PACEsetterS 1, n. 1 (luglio 2004): 20–23. http://dx.doi.org/10.1097/01.jbi.0000393896.70605.c7.

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Liu, Jing, Yuetong Yu, Gangqiang Dong, Chenyang Hao, Yan Liu e Sha Chen. "Identification and quantification of flavonoids in 207 cultivated lotus (Nelumbo nucifera) and their contribution to different colors". PeerJ Analytical Chemistry 4 (15 agosto 2022): e22. http://dx.doi.org/10.7717/peerj-achem.22.

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Sacred lotus (Nelumbo nucifera) is a large economic crop, which is also cultivated as a horticultural crop. This study performed a systematic qualitative and quantitative determination of five anthocyanins and 18 non-anthocyanin flavonoids from the petals of 207 lotus cultivars. Among the compounds identified in this study, quercetin 3-O-pentose-glucuronide, quercetin 7-O-glucoside, laricitrin 3-O-hexose, and laricitrin 3-O-glucuronide were discovered for the first time in sacred lotus. The relationships between these pigments and petals colors were also evaluated. A decrease in the total content of anthocyanins and increase in the content of myricetin 3-O-glucuronide resulted in a lighter flower color. Furthermore, petals were yellow when the content of quercetin 3-O-neohesperidoside and myricetin 3-O-glucuronide were increased, whereas petals were red when the total anthocyanin content was high and the quercetin 3-O-sambubioside content was low. These investigations contribute to the understanding of mechanisms that underlie the development of flower color and provide a solid theoretical basis for the further study of sacred lotus.

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Tungmunnithum, Duangjai, Laurine Garros, Samantha Drouet, Natália Cruz-Martins e Christophe Hano. "Extraction Kinetics and Reaction Rates of Sacred Lotus Stamen Tea Infusion-Derived Flavonoids in Relation with Its Antioxidant Capacity". Plants 11, n. 17 (29 agosto 2022): 2234. http://dx.doi.org/10.3390/plants11172234.

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Stamen tea from Nelumbo nucifera Gaertn. (or the so-called sacred lotus) is widely consumed, and its flavonoids provide various human health benefits. The method used for tea preparation for consumption, namely the infusion time, may affect the levels of extractable flavonoids, ultimately affecting their biological effects. To date, there is no report on this critical information. Thus, this study aims to determine the kinetics of solid liquid extraction of flavonoid from sacred lotus stamen using the traditional method of preparing sacred lotus stamen tea. Phytochemical composition was also analyzed using high-performance liquid chromatography (HPLC). The antioxidant potential of stamen tea was also determined. The results indicated that the infusion time critically affects the concentrations of flavonoids and the antioxidant capacity of sacred lotus stamen tea, with a minimum infusion time of 5–12 min being required to release the different flavonoids from the tea. The extraction was modeled using second order kinetics. The rate of release was investigated by the glycosylation pattern, with flavonoid diglycosides, e.g., rutin and Kae-3-Rob, being released faster than flavonoid monoglycosides. The antioxidant activity was also highly correlated with flavonoid levels during infusion. Taken together, data obtained here underline that, among others, the infusion time should be considered for the experimental design of future epidemiological studies and/or clinical trials to reach the highest health benefits.

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Ferrer-Gallego, P. Pablo, Fernando Boisset e Charles E. Jarvis. "Typification of the sacred lotus Nelumbo nucifera (Nelumbonaceae)". Taxon 64, n. 1 (2 marzo 2015): 156–59. http://dx.doi.org/10.12705/641.2.

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Rai, Sujay, Atul Wahile, Kakali Mukherjee, Bishnu Pada Saha e Pulok K. Mukherjee. "Antioxidant activity of Nelumbo nucifera (sacred lotus) seeds". Journal of Ethnopharmacology 104, n. 3 (aprile 2006): 322–27. http://dx.doi.org/10.1016/j.jep.2005.09.025.

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Nelson, David R., e Mary A. Schuler. "Cytochrome P450 Genes from the Sacred Lotus Genome". Tropical Plant Biology 6, n. 2-3 (21 maggio 2013): 138–51. http://dx.doi.org/10.1007/s12042-013-9119-z.

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Li, Jiao-Kun, e Shuang-Quan Huang. "Flower thermoregulation facilitates fertilization in Asian sacred lotus". Annals of Botany 103, n. 7 (12 marzo 2009): 1159–63. http://dx.doi.org/10.1093/aob/mcp051.

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Shen-Miller, J. "Sacred lotus, the long-living fruits of China Antique". Seed Science Research 12, n. 3 (settembre 2002): 131–43. http://dx.doi.org/10.1079/ssr2002112.

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In the West, lotus (Nelumbo nuciferaGaertn.) is relatively little known. However, for more than 3000 years, lotus plants have been cultivated as a crop in Far-East Asia, where they are used for food, medicine and play a significant role in religious and cultural activities. Holder of the world’s record for long-term seed viability (1300 years) is a lotus fruit (China Antique) from Xipaozi, Liaoning Province, China. Five offspring of this variety, from 200–500-year-old fruits (14C dates) collected at Xipaozi, have recently been germinated, and are the first such seedlings to be raised from directly dated fruits. The fruits at Xipaozi, preserved in a dry ancient lakebed, have been exposed to low-dose γ-radiation for hundreds of years (having an accumulated soil irradiation of 0.1–1.0 Gy). Offspring from these old fruits show abnormalities that resemble those in various modern seedlings irradiated at much higher doses. Although these lotus offspring are phenotypically abnormal, the viability of old seeds was evidently not affected by accumulated doses of up to 3 Gy. Growth characteristics of first- and second-year lotus offspring of these fruits, products of the longest-term radiobiological experiment on record, are summarized here (rapid early growth, phenotypic abnormalities, lack of vigour, poor rhizome development and low photosynthetic activity during second-year growth). Aspects of their chromosomal organization, phenotype and physiology (rapid recovery from stress, heat-stable proteins, protein-repair enzyme) are discussed. Important unsolved problems are suggested to elicit interest among members of the seed science community to the study of old fruits recently collected at Xipaozi, with particular emphasis on aspects of ageing and repair.

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Liu, Jing, Kaifeng Shi, Jia Shi, Yunluan Feng, Chenyang Hao, Jing Peng e Sha Chen. "A simple strategy to monitor the temporal and spatial distribution of alkaloids in sacred lotus leaves". Bioscience, Biotechnology, and Biochemistry 85, n. 6 (13 marzo 2021): 1332–40. http://dx.doi.org/10.1093/bbb/zbab038.

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ABSTRACT Owing to the high degree of diversity of metabolite pools and complexity of spatial and temporal distributions within biological tissues, currently available methods for metabolite characterization face large challenges. In this study, the temporal and spatial distributions of the alkaloid components of the medicinal plant lotus (Nelumbo nucifera) were investigated over various growth phases. The results showed that alkaloid biosynthesis in lotus leaf is regulated by development and that there is maximum accumulation of alkaloids when the lotus leaf was completely expanded. Furthermore, alkaloid content tended to be stable in mature lotus leaves. However, there was significant variation in the alkaloid content of lotus leaves with different genotypes, suggesting that genetic background is an important factor that affects the temporal and spatial distributions of alkaloids in sacred lotus leaves. The dynamic contents of alkaloids during the growth and development of lotus leaves provide insight into basic biological differences when sampling.

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Kubo, Nakao, Masashi Hirai, Akio Kaneko, Daizo Tanaka e Kumaji Kasumi. "Classification and diversity of sacred and American Nelumbo species: the genetic relationships of flowering lotus cultivars in Japan using SSR markers". Plant Genetic Resources 7, n. 03 (1 maggio 2009): 260–70. http://dx.doi.org/10.1017/s1479262109356580.

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The water lotus, genusNelumbo, contains two species, the sacred (Nelumbo nucifera) and American lotuses (Nelumbo lutea). Hundreds of flowering lotus cultivars are currently known. However, their classification is unclear. For the classification ofNelumbocultivars, in addition to 35 simple sequence repeat (SSR) markers recently developed, we have developed 17 and 16 of newNelumboSSR markers from SSR-enriched genomic libraries and expressed sequence tag (EST) data, respectively. Out of these 68 SSRs, along with SSRs recently published by others, 52 showed clear polymorphisms in 98Nelumbosamples. A total of 300 alleles were observed, ranging from 2 to 11 alleles per locus, with an average of 5.77. Alleles specific for the American lotus-derived cultivars and a cluster of the American lotus-derived cultivars on a neighbour-joining tree confirmed genetic differences betweenN. luteaandN. nucifera. In addition, a possible differentiation between Chinese and Japanese cultivars was also suggested. Parentage analysis using the SSR markers confirmed four known parentages and predicted currently-unknown parentages of six cultivars. The present data have demonstrated that site-specific, co-dominant SSR markers enable more accurate classification, identification and comparison ofNelumbospecies.

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Ponken, Tanachai, Kanoknan Yaowanit, Kanyaphat Weluwanarak, Apisit Keacharoen e Wichaid Ponhan. "Fabrication of activated carbon electrode synthesized from sacred lotus leaf natural materials for supercapacitors". Journal of Materials Science and Applied Energy 11, n. 3 (24 agosto 2022): 247369. http://dx.doi.org/10.55674/jmsae.v11i3.247369.

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Supercapacitor has been the interesting issue in electric energy storage system. Supercapacitors carbon electrode was synthesized from a sacred lotus leaf. The none activated carbon sacred lotus leaf powder (CSLL) and the carbon sacred lotus leaf were mixed with potassium hydroxide (KOH) in the ratio of 1 : 1, 1 : 2, and 1 : 3 which were called CSLL, CSLL-1 : 1, CSLL-1 : 2 and CSLL-1 : 3, respectively. The structural, morphological properties and element component were analyzed with x-ray diffraction (XRD) technique, the field emission scanning electron microscope (FESEM) and energy dispersive x-ray spectroscopy (EDX), respectively. Electrical properties were measured by cyclic voltammetry (CV) and charge–discharge techniques. JCPDS 01-072-2091 data file confirmed the carbon-like (110) plan at 2 theta of 29.43° CSLL-1 : 1 and CSLL-1 : 2 showed high crystalline sizes. Morphology of CSLL-1 : 1 and CSLL-1 : 2 samples exhibited corrosion of surface clearly nevertheless carbon cluster adhered continuously on surface affect to higher the surface area. Carbon element of CSLL, CSLL-1 : 1 and CSLL-1 : 2 samples were obtained as high as of 74.50, 79.30 and 76 % by atomic, respectively which it was suitable characteristic of activated carbon electrode. The highest specific capacitance of CSLL-1 : 2 electrodes displayed approximately 40.85 F g-1 at the scan rate of 20 mVs-1. Moreover, the charge–discharge time of CSLL-1 : 1 and CSLL-1 : 2 electrodes showed the long discharge time more than the discharge time of CSLL-1 : 3 and CSLL electrodes. The performances of electrode demonstrated with charge-discharge of 1,500 and 1,000 cycles found that the CSLL-1 : 1 and CSLL-1 : 2 electrodes exhibited high stability. The suitable conditions ranges depicted between from the CSLL-1 : 1 to CSLL-1 : 2 ratios; furthermore, a sacred lotus leaf can fabricate the carbon electrode for supercapacitor.

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Pyeon, Moo-yeong. "Research on Amitayur Dhyana Sutra and Sacred Lotus Flower". East Asian Ancient Studies 38 (30 giugno 2015): 413–42. http://dx.doi.org/10.17070/aeaas.2015.06.38.413.

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Mukherjee, Pulok K., Debajyoti Mukherjee, Amal K. Maji, S. Rai e Michael Heinrich. "The sacred lotus(Nelumbo nucifera)- phytochemical and therapeutic profile". Journal of Pharmacy and Pharmacology 61, n. 4 (aprile 2009): 407–22. http://dx.doi.org/10.1211/jpp.61.04.0001.

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Seymour, Roger S., e Paul Schultze–Motel. "Physiological temperature regulation by flowers of the sacred lotus". Philosophical Transactions of the Royal Society of London. Series B: Biological Sciences 353, n. 1371 (29 giugno 1998): 935–43. http://dx.doi.org/10.1098/rstb.1998.0258.

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Flowers of the sacred lotus, Nelumbo nucifera Gaertn. (Nelumbonaceae) are thermogenic and physiologically thermoregulatory. The 42 g flowers remain between 30–36°C during a 2 to 4–day period despite fluctuations in environmental temperatures between about 10–45°C. As the ambient temperature drops, the flowers increase heat production in proportion. Temperature regulation apparently occurs at a cellular level, by a steep, reversible thermal inhibition of respiration at flower temperatures above 30°C. There was a marked time lag between change in flower temperature and compensatory response, suggesting regulation through a biochemical feedback mechanism rather than structural changes in enzymes or membranes. By oxidizing carbohydrate, the flowers produce up to 1 W, with about half of the heat coming from the 8.5 g carpellary receptacle. The period of temperature regulation begins before petal opening and continues through the period of stigma receptivity. Temperature regulation may reward insect pollinators with a warm, equable environment, or it possibly enhances and coordinates flower development.

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Chen, Yunyun, Renchao Zhou, Xiaodong Lin, Keqiang Wu, Xuen Qian e Shangzhi Huang. "ISSR analysis of genetic diversity in sacred lotus cultivars". Aquatic Botany 89, n. 3 (ottobre 2008): 311–16. http://dx.doi.org/10.1016/j.aquabot.2008.03.006.

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Hao, Chenyang, Yuetong Yu, Xueting Zhang, Gangqiang Dong, Yan Liu e Sha Chen. "Nontarget Metabolites of Rhizomes of Edible Sacred Lotus Provide New Insights into Rhizome Browning". Journal of Food Quality 2022 (26 ottobre 2022): 1–11. http://dx.doi.org/10.1155/2022/3943052.

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The “edible rhizome” variant of Nelumbo nucifera with various cultivars has a long history of use as a food in East Asia. In this study, 48 target metabolites were untargeted and identified in 212 rhizome cultivars (tropical and temperate types) using ultraperformance liquid chromatography-electrospray ionization quadrupole time-of-flight high-resolution mass spectrometry; among these, 32 compounds were newly reported in the rhizome. Combined with the browning phenotype of 212 lotus rhizomes, (epi) catechin, norarmepavine, and N-feruloyl-3-methoxytyramine were used as predominant chemical markers to separate different degrees of lotus rhizome browning. p-Coumaroyltyramine and N-trans-feruloyltyramine were selected as predominant chemical markers to investigate the differential expression between tropical and temperate lotus using principal component analysis and orthogonal partial least squares discriminant analysis. Shared and unique structure plots were used to compare the outcomes of the ecotype and browning OPLS model, showing that variation in tropical lotus rhizome browning is not obvious; this will be of great importance for genetic improvement by providing a hereditary basis.

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Ming, Ray, Robert VanBuren, Yanling Liu, Mei Yang, Yuepeng Han, Lei-Ting Li, Qiong Zhang et al. "Genome of the long-living sacred lotus (Nelumbo nucifera Gaertn.)". Genome Biology 14, n. 5 (2013): R41. http://dx.doi.org/10.1186/gb-2013-14-5-r41.

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Lum, Gengkon, Robert VanBuren, Ray Ming e Xiang Jia Min. "Secretome Prediction and Analysis in Sacred Lotus (Nelumbo nucifera Gaertn.)". Tropical Plant Biology 6, n. 2-3 (6 giugno 2013): 131–37. http://dx.doi.org/10.1007/s12042-013-9121-5.

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Matthews, P. "Pressurisation and gas flow within the sacred lotus, Nelumbo nucifera". Comparative Biochemistry and Physiology Part A: Molecular & Integrative Physiology 146, n. 4 (aprile 2007): S278. http://dx.doi.org/10.1016/j.cbpa.2007.01.631.

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Chen, Gui-Zhen, Jie Huang, Xiao-Qin Zhou, Yang Hao, Jin-Liao Chen, Yu-Zhen Zhou, Sagheer Ahmad, Siren Lan, Zhong-Jian Liu e Dong-Hui Peng. "Comprehensive Analysis for GRF Transcription Factors in Sacred Lotus (Nelumbo nucifera)". International Journal of Molecular Sciences 23, n. 12 (15 giugno 2022): 6673. http://dx.doi.org/10.3390/ijms23126673.

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Sacred lotus (Nelumbo nucifera) is an aquatic perennial plant with essential food, ornamental, and pharmacological value. Growth-regulating factor (GRF) is a transcription factor (TF) family that plays an important role in regulating the growth and development of plants. In this study, a comprehensive analysis of the GRF family in N. nucifera was performed, and its role in N. nucifera development was studied. A total of eight GRF genes were identified in the N. nucifera genome. Phylogenetic analysis divided the 38 GRF genes into six clades, while the NuGRFs only contained five clades. The analyses of gene structures, motifs, and cis-acting regulatory elements of the GRF gene family were performed. In addition, the chromosome location and collinearity were analyzed. The expression pattern based on transcriptomic data and real-time reverse transcription-quantitative PCR (qRT-PCR) revealed that the GRF genes were expressed in multiple organs and were abundant in actively growing tissues, and the expression levels decreased as the age of N. nucifera increased. Then, 3D structures of the NuGRF proteins were predicted by homology modeling. Finally, the subcellular localization of GRF1 was ascertained in the tobacco leaf through a vector. Therefore, this study provides a comprehensive overview of the GRF TF family in N. nucifera.

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Zheng, Yun, Guru Jagadeeswaran, Kanchana Gowdu, Nian Wang, Shaohua Li, Ray Ming e Ramanjulu Sunkar. "Genome-Wide Analysis of MicroRNAs in Sacred Lotus, Nelumbo nucifera (Gaertn)". Tropical Plant Biology 6, n. 2-3 (27 luglio 2013): 117–30. http://dx.doi.org/10.1007/s12042-013-9127-z.

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Kim, Min-Jeong, William Nelson, Carol A. Soderlund e David R. Gang. "Next-Generation Sequencing-Based Transcriptional Profiling of Sacred Lotus “China Antique”". Tropical Plant Biology 6, n. 2-3 (14 agosto 2013): 161–79. http://dx.doi.org/10.1007/s12042-013-9130-4.

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Mukherjee, Pulok K., Debajyoti Mukherjee, Amal K. Maji, S. Rai e Michael Heinrich. "The sacred lotus (Nelumbo nucifera) - phytochemical and therapeutic profile". Journal of Pharmacy and Pharmacology 61, n. 4 (1 aprile 2009): 407–22. http://dx.doi.org/10.1211/jpp/61.04.0001.

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Shen-Miller, J., Mary Beth Mudgett, J. William Schopf, Steven Clarke e Rainer Berger. "Exceptional seed longevity and robust growth: ancient Sacred Lotus from China". American Journal of Botany 82, n. 11 (novembre 1995): 1367–80. http://dx.doi.org/10.1002/j.1537-2197.1995.tb12673.x.

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Riya, S., H. Sun, H. Furuhata, M. Shimamura, H. Nasu, R. Imano, S. Zhou e M. Hosomi. "Role of leaves in methane emission from sacred lotus (nelumbo nucifera)". Aquatic Botany 163 (aprile 2020): 103203. http://dx.doi.org/10.1016/j.aquabot.2020.103203.

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Kondratenko, E. I., N. A. Lomteva, M. A. Samotrueva e M. V. Mizhitova. "Comparative Analysis of the Hypolipidemic Activity of Extracts From Sacred Lotus". Pharmaceutical Chemistry Journal 49, n. 7 (ottobre 2015): 470–72. http://dx.doi.org/10.1007/s11094-015-1307-8.

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Li, Ming, Ishfaq Hameed, Dingding Cao, Dongli He e Pingfang Yang. "Integrated Omics Analyses Identify Key Pathways Involved in Petiole Rigidity Formation in Sacred Lotus". International Journal of Molecular Sciences 21, n. 14 (18 luglio 2020): 5087. http://dx.doi.org/10.3390/ijms21145087.

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Abstract (sommario):

Sacred lotus (Nelumbo nucifera Gaertn.) is a relic aquatic plant with two types of leaves, which have distinct rigidity of petioles. Here we assess the difference from anatomic structure to the expression of genes and proteins in two petioles types, and identify key pathways involved in petiole rigidity formation in sacred lotus. Anatomically, great variation between the petioles of floating and vertical leaves were observed. The number of collenchyma cells and thickness of xylem vessel cell wall was higher in the initial vertical leaves’ petiole (IVP) compared to the initial floating leaves’ petiole (IFP). Among quantified transcripts and proteins, 1021 and 401 transcripts presented 2-fold expression increment (named DEGs, genes differentially expressed between IFP and IVP) in IFP and IVP, 421 and 483 proteins exhibited 1.5-fold expression increment (named DEPs, proteins differentially expressed between IFP and IVP) in IFP and IVP, respectively. Gene function and pathway enrichment analysis displayed that DEGs and DEPs were significantly enriched in cell wall biosynthesis and lignin biosynthesis. In consistent with genes and proteins expressions in lignin biosynthesis, the contents of lignin monomers precursors were significantly different in IFP and IVP. These results enable us to understand lotus petioles rigidity formation better and provide valuable candidate genes information on further investigation.

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Awal, Md Rabiul, SM Rahmatullah e Subrina Nasrin. "Nutrient composition of lotus (Nelumbo nucifera) fruits". Asian-Australasian Journal of Bioscience and Biotechnology 5, n. 3 (31 dicembre 2020): 115–20. http://dx.doi.org/10.3329/aajbb.v5i3.53873.

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The Nelumbo nucifera known as sacred lotus is an ornamental plant having medicinal possessions. Lotus seeds, which are currently the oldest known plant seeds, contain many functional constituents. The seeds have been widely used as both medicine and food. In the present studies, the nutrient composition of collected from two separate beels at Tarakanda, Mymensingh were determined. The nutrient composition was determined as moisture 17.727 (± 0.053), ash 9.49 (± 0.059), crude protein 16.563 (± 0.076), crude lipids 4.146 (± 0.038), crude fiber 7.755 (± 0.045), carbohydrate 44.042 (± 0.011). The results showed that lotus seeds contained a high content of moisture, crude protein, crude lipids, crude fiber, ash and carbohydrate. From this research, it found that lotus seeds were rich in crude protein and carbohydrate. The study may conclude that seeds could be incorporated in feed formulation as a source of nutrients. The present experiment may provide a guideline for the use of lotus seeds as human food. Asian Australas. J. Biosci. Biotechnol. 2020, 5 (3), 115-120

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Menéndez-Perdomo, Ivette M., e Peter J. Facchini. "Isolation and characterization of two O-methyltransferases involved in benzylisoquinoline alkaloid biosynthesis in sacred lotus (Nelumbo nucifera)". Journal of Biological Chemistry 295, n. 6 (30 dicembre 2019): 1598–612. http://dx.doi.org/10.1074/jbc.ra119.011547.

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Benzylisoquinoline alkaloids (BIAs) are a major class of plant metabolites with many pharmacological benefits. Sacred lotus (Nelumbo nucifera) is an ancient aquatic plant of medicinal value because of antiviral and immunomodulatory activities linked to its constituent BIAs. Although more than 30 BIAs belonging to the 1-benzylisoquinoline, aporphine, and bisbenzylisoquinoline structural subclasses and displaying a predominant R-enantiomeric conformation have been isolated from N. nucifera, its BIA biosynthetic genes and enzymes remain unknown. Herein, we report the isolation and biochemical characterization of two O-methyltransferases (OMTs) involved in BIA biosynthesis in sacred lotus. Five homologous genes, designated NnOMT1–5 and encoding polypeptides sharing >40% amino acid sequence identity, were expressed in Escherichia coli. Functional characterization of the purified recombinant proteins revealed that NnOMT1 is a regiospecific 1-benzylisoquinoline 6-O-methyltransferase (6OMT) accepting both R- and S-substrates, whereas NnOMT5 is mainly a 7-O-methyltransferase (7OMT), with relatively minor 6OMT activity and a strong stereospecific preference for S-enantiomers. Available aporphines were not accepted as substrates by either enzyme, suggesting that O-methylation precedes BIA formation from 1-benzylisoquinoline intermediates. Km values for NnOMT1 and NnOMT5 were 20 and 13 μm for (R,S)-norcoclaurine and (S)-N-methylcoclaurine, respectively, similar to those for OMTs from other BIA-producing plants. Organ-based correlations of alkaloid content, OMT activity in crude extracts, and OMT gene expression supported physiological roles for NnOMT1 and NnOMT5 in BIA metabolism, occurring primarily in young leaves and embryos of sacred lotus. In summary, our work identifies two OMTs involved in BIA metabolism in the medicinal plant N. nucifera.

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Lomteva, Natalia A., Ludmila A. Yakovenkova, Michail A. Egorov, Saule K. Kasimova e Kirill N. Kondratenko. "MORPHOPHYSIOLOGICAL FEATURES IN RAT ADRENAL AT BIOLOGICAL ACTIVE SUBSTANCES SEEDS SACRED LOTUS". NATURAL SCIENCES 58, n. 1 (2017): 073–77. http://dx.doi.org/10.21672/1818-507x-2017-58-1-073-077.

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Huang, Longyu, Mei Yang, Ling Li, Hui Li, Dong Yang, Tao Shi e Pingfang Yang. "Whole genome re-sequencing reveals evolutionary patterns of sacred lotus (Nelumbo nucifera)". Journal of Integrative Plant Biology 60, n. 1 (gennaio 2018): 2–15. http://dx.doi.org/10.1111/jipb.12606.

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Shi, Tao, Kun Wang e Pingfang Yang. "The evolution of plant microRNAs: insights from a basal eudicot sacred lotus". Plant Journal 89, n. 3 (febbraio 2017): 442–57. http://dx.doi.org/10.1111/tpj.13394.

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Barthlott, W., e C. Neinhuis. "Purity of the sacred lotus, or escape from contamination in biological surfaces". Planta 202, n. 1 (30 aprile 1997): 1–8. http://dx.doi.org/10.1007/s004250050096.

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Wang, Yun, Guangyi Fan, Yiman Liu, Fengming Sun, Chengcheng Shi, Xin Liu, Jing Peng et al. "The sacred lotus genome provides insights into the evolution of flowering plants". Plant Journal 76, n. 4 (11 ottobre 2013): 557–67. http://dx.doi.org/10.1111/tpj.12313.

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Xiaoying, L., T. Meiling, C. Biao, I. Imbert, A. Lemestr, L. Labourasse, C. Serre et al. "306 Skin vital Energy & pigmentation epigenetic regulation: Sacred lotus fraction benefits". Journal of Investigative Dermatology 139, n. 5 (maggio 2019): S53. http://dx.doi.org/10.1016/j.jid.2019.03.382.

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Akbarzadeh, Daryoosh. "A note on sasanian-buddhist object of Gyeongju National Museum". Studies in Ancient Art and Civilisation 24 (1 dicembre 2020): 267–74. http://dx.doi.org/10.12797/saac.24.2020.24.12.

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Abstract (sommario):

A note on sasanian-buddhist object of Gyeongju National Museum Although Korean and late Sasanian texts are silent about mutual relations, archaeological evidences provide a different perspective. This paper deals with an object known at Gyeongju National Museum of the Republic of Korea. The loop was discovered in Bunhwangsa Buddhist Temple in Geun-jik (Gyeongju) region in 2001. Gyeongju’s loop includes a round form made of clay, with a pearly chain (running) in the border and two birds (ducks most probably) appearing in the center of the motif while they are trying to hold a stalk of a herb. Many scholarly works have been published about it and interpreted it as the ‘tree of life.’The author believes that this herb (as distinct from a plant) is a sacred lotus. In fact, the birds try to hold it in their beaks. So, an expert creator of the object used known Sasanian artistic elements on the one hand and combined them with a famous Buddhist element on the other hand. It ispossible the creator attempted to immortalize his work with this sacred lotus: in a Buddhist temple, only such an element was allowed to be introduced.

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Li, Jiao-Kun, En-Xing Zhou, Dong-Xu Li e Shuang-Quan Huang. "Multiple northern refugia for Asian sacred lotus, an aquatic plant with characteristics of ice-age endurance". Australian Journal of Botany 58, n. 6 (2010): 463. http://dx.doi.org/10.1071/bt10002.

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The effect of palaeoclimate on the distribution of aquatic plants is little known, although these plants typically have much broader geographical distributions than their terrestrial counterparts. We investigated the structure of genetic variation of chloroplast DNA in the Asian sacred lotus (Nelumbo nucifera Gaertn (Nelumbonaceae)) in 15 wild populations across China as well as in four populations from India, Japan and Thailand, to infer the refugia of this ancient plant during Quaternary climatic oscillations. We obtained 37 cpDNA haplotypes in 417 individuals from 19 populations. A moderate to high level of chloroplast genetic differentiation (GST = 0.547, NST = 0.691) and significant phylogeographic structure (NST > GST) were observed, suggesting a low level of recurrent seed-mediated gene flow among the populations. The results of AMOVA analysis also showed that more variation was partitioned among (71%) than within populations (29%). The phylogenetic relationships for the recovered haplotypes showed that haplotypes of wild lotus in north-eastern China significantly diverged from those distributed in central and southern regions of China. A high level of haplotype diversity, rather than reduced genetic diversity, in north-eastern China indicated multiple refugia in northern China during the Quaternary glaciations. Lotus plants have the following two characteristics that facilitated survival through Quaternary glaciations: seeds buried in mud remain viable for thousands of years, and self-heating flowers can reproduce in cold temperatures.

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Buanong, M., C. Wongs-Aree, S. Meir e S. Philosoph-Hadas. "Delaying petal blackening of cut sacred lotus flowers by packaging conditions during storage". Acta Horticulturae, n. 1263 (novembre 2019): 367–74. http://dx.doi.org/10.17660/actahortic.2019.1263.48.

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PAN, LEI, ZHIWU QUAN, SHUANGMEI LI, HONGGAO LIU, XINFANG HUANG, WEIDONG KE e YI DING. "Isolation and characterization of microsatellite markers in the sacred lotus (Nelumbo nucifera Gaertn.)". Molecular Ecology Notes 7, n. 6 (novembre 2007): 1054–56. http://dx.doi.org/10.1111/j.1471-8286.2007.01774.x.

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Shen-Miller, J., Louis H. Aung, Jeff Turek, J. William Schopf, Maya Tholandi, Mei Yang e Andrew Czaja. "Centuries-Old Viable Fruit of Sacred Lotus Nelumbo nucifera Gaertn var. China Antique". Tropical Plant Biology 6, n. 2-3 (2 agosto 2013): 53–68. http://dx.doi.org/10.1007/s12042-013-9125-1.

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Lamprecht, Ingolf, Roger S. Seymour e Paul Schultze-Motel. "Direct and indirect calorimetry of thermogenic flowers of the sacred lotus, Nelumbo nucifera". Thermochimica Acta 309, n. 1-2 (gennaio 1998): 5–16. http://dx.doi.org/10.1016/s0040-6031(97)00423-1.

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