Academic literature on the topic 'Plant Secondary Compound'

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Journal articles on the topic "Plant Secondary Compound"

1

Hu, Qun, Wilhelm Boland, and Ji-Kai Liu. "6-Substituted Indanoyl Isoleucine Conjugate Induces Tobacco Plant Responses in Secondary Metabolites." Zeitschrift für Naturforschung C 60, no. 1-2 (2005): 1–4. http://dx.doi.org/10.1515/znc-2005-1-201.

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To characterize the role of the phytotoxin mimic 6-substituted indanoyl isoleucine conjugate 1 in plant secondary metabolism, tobacco (Nicotiana tabacum L. K326) was treated with compound 1. The volatile compounds of tobacco leaves were analyzed by GC-MS. In contrast to the control, three compounds, farnesene (2), santalol (3) and tetradecanal (4), were induced by treatment with 1 mm of compound 1. Concurrently other volatile compounds were also regulated.
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2

Grigoletto, Diana Fortkamp, Ana Maria Lima Correia, Wolf-Rainer Abraham, et al. "Secondary metabolites produced by endophytic fungi: novel antifungal activity of fumiquinone B." Acta Scientiarum. Biological Sciences 41 (December 18, 2019): e48785. http://dx.doi.org/10.4025/actascibiolsci.v41i1.48785.

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Fungi are present in the most diverse environments including the interior of plant tissues, living as endophytes without causing apparent damage. These endophytes are producers of secondary metabolites, also known as natural products, such as fungicides. Here, we evaluated the ethyl acetate fractions obtained from endophytic fungi isolated from plants in the genus Begonia. The fractions were submitted to inhibitory test against the plant pathogens Diaporthe phaseolorum and Colletotrichum gloeosporioides. From the 88 ethyl acetate fractions evaluated, 14.7 % inhibited C. gloeosporioides and 11.
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3

Paponov, Martina, Manya Antonyan, Rune Slimestad, and Ivan A. Paponov. "Decoupling of Plant Growth and Accumulation of Biologically Active Compounds in Leaves, Roots, and Root Exudates of Hypericum perforatum L. by the Combination of Jasmonate and Far-Red Lighting." Biomolecules 11, no. 9 (2021): 1283. http://dx.doi.org/10.3390/biom11091283.

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The plant hormone jasmonic acid (JA) fine tunes the growth–defense dilemma by inhibiting plant growth and stimulating the accumulation of secondary compounds. We investigated the interactions between JA and phytochrome B signaling on growth and the accumulation of selected secondary metabolites in Hypericum perforatum L., a medically important plant, by spraying plants with methyl jasmonate (MeJA) and by adding far-red (FR) lighting. MeJA inhibited plant growth, decreased fructose concentration, and enhanced the accumulation of most secondary metabolites. FR enhanced plant growth and starch ac
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4

Le, Tu Cam, Kyung-Yun Kang, Inho Yang, et al. "A New Secondary Metabolite from Korean Traditional Herb Plant Hovenia dulcis." Natural Product Communications 13, no. 4 (2018): 1934578X1801300. http://dx.doi.org/10.1177/1934578x1801300418.

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Investigation of chemical compounds from the butanol soluble layer of the traditional herb Hovenia dulcis has led to the isolation of a new compound, identified as 2-methoxybenzoic acid-5- O-α-L-rhamnopyranoside (1), along with three known compounds, syringic acid-4- O-α-L-rhamnopyranoside (2), syringic acid (3), and vanillic acid (4). Their chemical structures were established from the interpretation of 2D NMR spectroscopic and the high-resolution mass data.
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5

Céspedes, Carlos L., Julio E. Alarcon, Pedro Aqueveque, David S. Seigler, and Isao Kubo. "In the search for new secondary metabolites with biopesticidal properties." Israel Journal of Plant Sciences 62, no. 4 (2015): 216–28. http://dx.doi.org/10.1080/07929978.2015.1006424.

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Secondary metabolites are involved in diverse functions in plants, including defense and protective processes. Information concerning the biosynthesis of secondary metabolites in plants points at a constitutive or induced chemical defense, generated for protection against a variety of phytopathogenic attacks. Our phytochemical studies are aimed at finding biopesticides of botanical origin. Some plant taxa of American distribution are toxic to selected insects, fungi and bacterial strains, and their effect has been associated with the presence of phenolics, phenylpropanoids and terpenes. We hav
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Roy, Arpita. "Hairy Root Culture an Alternative for Bioactive Compound Production from Medicinal Plants." Current Pharmaceutical Biotechnology 22, no. 1 (2020): 136–49. http://dx.doi.org/10.2174/1389201021666201229110625.

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: Medicinal plants produce a diverse group of phytocompounds like anthraquinones, alkaloids, anthocyanins, flavonoids, saponins, and terpenes which are used in pharmaceutical, perfume, cosmetics, dye and flavor industries. Commercial source of these metabolites is field-grown plants, which are generally influenced by seasonal changes. Biotechnology possesses a significant role in production of high-value secondary metabolites. By incorporating biotechnological methods, it is feasible to manage biosynthetic pathways of the plant to enhance phytocompound production that is of pharmaceutical inte
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Agrawal, Shashi Bhushan, and Deepanshi Jaiswal. "Impact of Light Stress on Plant Based Medicinally Active Compounds." INTERNATIONAL JOURNAL OF PLANT AND ENVIRONMENT 4, no. 02 (2018): 50–59. http://dx.doi.org/10.18811/ijpen.v4i02.6.

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Light has several positive and negative impacts on plant growth and physiological processes. Medicinal plants contribute significantly higher proportions of world plant flora and are natural source of rich medicinal compounds. Sufficient literature is available on plant responses to light stress but studies on medicinal plants are limited. This review discusses how different light conditions affect production of plant-based medicinal compounds which are broadly secondary products formed during adverse environmental conditions to cope up the stress. Here, some medicinal plants are reviewed whic
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8

Sun, Sen-Feng, Shao Zhu, Hai-Yan Cao, Yun-Bao Liu, and Shi-Shan Yu. "Tridepsides from the endophytic fungus colletotrichum gloeosporioides associated with a toxic medicinal plant tylophora ovata." Frigid Zone Medicine 1, no. 1 (2021): 45–51. http://dx.doi.org/10.2478/fzm-2021-0006.

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Abstract Introduction Bioactive secondary metabolites from the microbes living in frigid, toxic or other extreme environments are emerging as a new medicinal resource. Here, we report the discovery of new antidiabetic and anti-inflammatory compounds with novel structures from endophytic fungi hosted toxic medicinal plant. Methods The endophytic fungus isolated from toxic plants was fermented and extracted. The obtained extracts were purified with preparative HPLC to yield pure compounds. The purified compounds were examined by PTP1b inhibition and NO inhibition assays to evaluate their bioacti
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Soesanto, Loekas, Endang Mugiastuti, and Abdul Manan. "Raw Secondary Metabolites Application of Two Trichoderma harzianum Isolates towards Vascular Streak Dieback on Cocoa Seedlings." Pelita Perkebunan (a Coffee and Cocoa Research Journal) 35, no. 1 (2019): 22–32. http://dx.doi.org/10.22302/iccri.jur.pelitaperkebunan.v35i1.346.

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 Vascular streak dieback is an important disease on cocoa that recently is still difficult to control. This research aimed to study the raw secondary metabo- lites application effectiveness of Trichoderma harzianum T10 and T213, or their combination to vascular streak dieback and its effect on growth and on phenolic compound of cocoa seedlings. Randomized block design was used with nine replicates. The treatments were control, secondary metabolites of T. harzianumT10 and T213, their combination and fungicide with active ingredient of phosphic acid. Variables observed were i
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10

Guo, Longfang, Jie Lin, Shubin Niu, Shuchun Liu, and Ling Liu. "Pestalotiones A–D: Four New Secondary Metabolites from the Plant Endophytic Fungus Pestalotiopsis Theae." Molecules 25, no. 3 (2020): 470. http://dx.doi.org/10.3390/molecules25030470.

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Two new xanthone derivatives, pestalotiones A (1) and B (2), one new diphenyl ketone riboside, pestalotione C (7), and one new diphenyl ether, pestalotione D (8), along with five known compounds isosulochrin dehydrate (3), 3,8-dihydroxy-6-methyl-9-oxo-9H-xanthene-1-carboxylate (4), isosulochrin (5), chloroisosulochrin (6), and pestalotether D (9), were isolated from the crude extract of the plant endophytic fungus Pestalotiopsis theae (N635). The structures of the new compounds were unambiguously deduced by HRESIMS and 1D/2D-NMR spectroscopic data. Compound 6 showed modest cytotoxicity against
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