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Journal articles on the topic 'Fusicoccin-A (FC-A)'

Author: Grafiati
Published: 7 July 2024
Last updated: 31 July 2025

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1

Bock, FD, A. Fer, and G. Marigo. "Effect of Fusicoccin on Sucrose Exchanges Between a Host, Pelargonium zonale, and a Higher Parasitic Plant, Cuscuta reflexa." Functional Plant Biology 22, no. 4 (1995): 553. http://dx.doi.org/10.1071/pp9950553.

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The sucrose exchange characteristics at the level of contact between a host, Pelargonium zonale (L.) Aiton, and a parasite, Cuscuta reflexa Roxb., were investigated by studying the effects of fusicoccin (FC). With isolated haustoria of Cuscuta, FC stimulated the activity of the plasma membrane ATPase. This action was established by FC-increased proton extrusion. FC-increased O2 consumption and FC-increased 86Rb uptake. Nevertheless, FC strongly inhibited (by 30-50%) sucrose uptake and strongly enhanced (by 42-47%) sucrose release. These results, which are discussed in relation to the physiolog
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2

Kenmoku, Hiromichi, Hiroyuki Tada, Megumi Oogushi, et al. "Seed Dormancy Breaking Diterpenoids from the Liverwort Plagiochila sciophila and their Differentiation Inducing Activity in Human Promyelocytic Leukemia HL-60 Cells." Natural Product Communications 9, no. 7 (2014): 1934578X1400900. http://dx.doi.org/10.1177/1934578x1400900708.

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To obtain the structural diversity of bioactive compounds similar to cotylenins and fusicoccins that modulate 14-3-3 protein-protein interactions in eukaryotes, screening tests were carried out using the lettuce seed dormancy breaking-assay. An acetone extract of the liverwort Plagiochila sciophila exhibited significant activity against the seeds in the presence of the plant hormone abscisic acid. Activity-guided fractionation of the extract afforded the isolation of seven novel fusicoccane-type diterpenoids, named fusicosciophins A-E (1–5), 8-deacetyl (6) and 9-deacetyl fusicosciophin E (7).
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3

Tognoli, L., and R. Colombo. "Protein phosphorylation in intact cultured sycamore (Acer pseudoplatanus) cells and its response to fusicoccin." Biochemical Journal 235, no. 1 (1986): 45–48. http://dx.doi.org/10.1042/bj2350045.

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Fusicoccin (FC), a natural diterpene glucoside able to stimulate electrogenic H+ extrusion in higher plants, has been shown to stimulate the phosphorylation of a polypeptide of molecular mass approx. 33 kDa in intact cultured cells of sycamore (Acer pseudoplatanus). The effect is specific, rapid and insensitive to cycloheximide. The presence of the 33 kDa polypeptide and the stimulation by FC have been observed in SDS-containing cell homogenates and in the microsomal and soluble fractions after cell fractionation.
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4

Nelson, J. M., and G. C. Sharples. "Emergence at High Temperature and Seedling Growth Following Pretreatment of Lettuce Seeds with Fusicoccin and Other Growth Regulators." Journal of the American Society for Horticultural Science 111, no. 4 (1986): 484–87. http://dx.doi.org/10.21273/jashs.111.4.484.

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Abstract The rate and total emergence of lettuce (Lactuca sativa L. ‘Empire’) seedlings incubated at 33°C for 10 hr, alternating with 23° for 14 hr, was markedly increased by seed treatment with 0.5 mM fusicoccin (FC). Neither gibberellic acid (GA) nor kinetin (K) were effective in improving emergence when used alone. The combination of FC with GA or K appeared to give a synergistic enhancement of emergence rate. The radicle elongation of seedlings was reduced by seed treatment with FC, K, or combinations of FC, GA, and K in tests at 20°. The greatest reductions were caused by combinations tha
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5

Marra, Mauro, Lorenzo Camoni, Sabina Visconti, Anna Fiorillo, and Antonio Evidente. "The Surprising Story of Fusicoccin: A Wilt-Inducing Phytotoxin, a Tool in Plant Physiology and a 14-3-3-Targeted Drug." Biomolecules 11, no. 9 (2021): 1393. http://dx.doi.org/10.3390/biom11091393.

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Fusicoccin is the α glucoside of a carbotricyclic diterpene, produced by the fungus Phomopsis amygdali (previously classified as Fusicoccum amygdali), the causal agent of almond and peach canker disease. A great interest in this molecule started when it was discovered that it brought about an irreversible stomata opening of higher plants, thereby inducing the wilting of their leaves. Since then, several studies were carried out to elucidate its biological activity, biosynthesis, structure, structure-activity relationships and mode of action. After sixty years of research and more than 1800 pub
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6

Malerba, Massimo, and Raffaella Cerana. "Possible Role of Peroxynitrite in the Responses Induced by Fusicoccin in Plant Cultured Cells." Plants 10, no. 1 (2021): 182. http://dx.doi.org/10.3390/plants10010182.

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Fusicoccin (FC) is a well-known phytotoxin able to induce in Acer pseudoplatanus L. (sycamore) cultured cells, a set of responses similar to those induced by stress conditions. In this work, the possible involvement of peroxynitrite (ONOO−) in FC-induced stress responses was studied measuring both in the presence and in the absence of 2,6,8-trihydroxypurine (urate), a specific ONOO− scavenger: (1) cell death; (2) specific DNA fragmentation; (3) lipid peroxidation; (4) production of RNS and ROS; (5) activity of caspase-3-like proteases; and (6) release of cytochrome c from mitochondria, variati
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7

She, Xiao-Ping, Jin Li, Ai-Xia Huang, and Xi-Zhu Han. "Fusicoccin inhibits dark-induced stomatal closure by reducing nitric oxide in the guard cells of broad bean." Australian Journal of Botany 58, no. 2 (2010): 81. http://dx.doi.org/10.1071/bt09182.

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By using pharmacological approaches and laser scanning confocal microscopy based on 4,5-diaminofluorescein diacetate (DAF-2DA), the relationship between the inhibition of dark-induced stomatal closure caused by fusicoccin (FC) and the changes of nitric oxide (NO) levels in guard cells in broad bean was studied. The results show that, like 2-(4-carboxyphenyl)-4,4,5,5-tetramethylimidazoline-1-oxyl-3-oxide (c-PTIO), a NO scavenger and NG-nitro-L-Arg-methyl ester (L-NAME), an inhibitor of nitric oxide synthase (NOS), FC inhibited stomatal closure induced by darkness, and reduced the levels of NO i
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8

van der Meulen, René M., Gerda E. M. Lamers, Martien P. M. Caspers, et al. "Effects of fusicoccin and gibberellic acid on the germination of embryos from dormant barley grains: roles of starch degradation and external pH." Seed Science Research 10, no. 2 (2000): 171–82. http://dx.doi.org/10.1017/s0960258500000180.

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AbstractAbstract In isolated embryos from dormant barley grains, synergistic effects of fusicoccin (FC) and gibberellic acid (GA3) were observed on the induction of α-amylase mRNA expression. However, no α-amylase mRNA expression could be induced by both agents in embryos from non-dormant grains. Both light- and electron-microscopy studies demonstrated that there were large numbers of starch granules present in mature embryos (mainly in scutellum) from dormant barley grains but none or almost none in embryos from non-dormant grains. Furthermore, the content of reducing sugars in embryos from d
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9

Karcz, Waldemar, and Zbigniew Burdach. "The Complexity of the Influence of Growth Substances, Heavy Metals, and Their Combination on the Volume Dynamics of Vacuoles Isolated from Red Beet (Beta vulgaris L.) Taproot Cells." International Journal of Molecular Sciences 25, no. 19 (2024): 10842. http://dx.doi.org/10.3390/ijms251910842.

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The plant vacuole is a very dynamic organelle that can occupy more than 90% of the cell volume and is essential to plant cell growth and development, the processes in which auxin (indole-3-acetic acid, IAA) is a central player. It was found that when IAA or FC (fusicoccin) was present in the control medium of vacuoles isolated from red beet taproots at a final concentration of 1 µM, it increased their volume to a level that was 26% or 36% higher than that observed in the control medium without growth regulators, respectively. In the presence of IAA and FC, the time after which most vacuoles ru
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10

Blanchard, Lisa M., and Thomas Björkman. "The Role of Auxin in Enhanced Root Growth of Trichodermacolonized Sweet Corn." HortScience 31, no. 4 (1996): 688c—688. http://dx.doi.org/10.21273/hortsci.31.4.688c.

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Sweet corn roots colonized with the T-22 strain of the common rhizosphere fungus grow substantially faster than roots of plants not so colonized. We tested whether this growth enhancement was a consequence of the fungus affecting auxin regulation of cell elongation. In corn roots, auxin acts an inhibitor of growth, maintaining the rate below its short-term maximum potential. The first hypothesis was that the fungus secretes an auxin inhibitor, and thereby reduces the auxin limitation of growth. Apical segments (5 cm) were incubated in media conducive to elongation, supplemented with 0.1 μm ind
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11

de Boer, Albertus H. "The Fusicoccin story revisited." Journal of Experimental Botany, July 11, 2024. http://dx.doi.org/10.1093/jxb/erae300.

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Abstract In plant biology Fusicoccin (FC) is one of the most studied fungal metabolites to date. Since the structural identification in 1964, much has been learned about its effects on the physiology of plants, about the interference with the action of plant hormones, the molecular nature of the plant receptor(s) for FC and the biosynthetic pathway for FC in the fungus. The finding that the plasma membrane H+-ATPase in combination with 14-3-3 proteins acts as high-affinity receptor for FC was a breakthrough in the field. Ever since, the binding of FC to the ATPase|14-3-3 receptor has taken cen
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12

Seo, Ye-Eun, Xin Yan, Doil Choi, and Hyunggon Mang. "Phytophthora infestans RxLR effector PITG06478 hijacks 14-3-3 to suppress PMA activity leading to necrotrophic cell death." Molecular Plant-Microbe Interactions®, November 22, 2022. http://dx.doi.org/10.1094/mpmi-06-22-0135-r.

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Pathogens often induce cell death for their successful proliferation in the host plant. Plasma membrane H+-ATPases (PMAs) are targeted by either pathogens or plant immune receptors in immune response regulation. Although PMAs play pivotal roles in host cell death, the molecular mechanism of effector-mediated regulation of PMA activity has not been described. Here, we report that the Phytophthora infestans RxLR effector PITG06478 can induce cell death in Nicotiana benthamiana but the induced cell death is inhibited by fusicoccin (FC), an irreversible PMA activator. PITG06478, which is localized
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13

Kuwayama, Shogo, Maki Hayashi, Koji Takahashi, et al. "The Protein Kinase Inhibitor, Tyrphostin AG126, and Its Derivatives Suppress Phosphorylation of Plasma Membrane H+-ATPase and Light-Induced Stomatal Opening." Plant And Cell Physiology, May 21, 2025. https://doi.org/10.1093/pcp/pcaf050.

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Abstract Phosphorylation of the penultimate residue, threonine (pen-Thr), of plasma membrane (PM) H+-ATPase is essential for its activation and blue light (BL)-induced stomatal opening. However, the regulatory mechanism of action of PM H+-ATPase pen-Thr phosphorylation is not completely understood. Here, we performed screening using a protein kinase inhibitor library and found that tyrphostin AG126 inhibited phosphorylation of PM H+-ATPase pen-Thr in guard cells in response to light and fungal toxin fusicoccin (FC), in addition to inhibition of light- and FC-induced stomatal opening. Analysis
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14

Liu, Qiuling, Hua Yang, Jianxian Luo, et al. "14-3-3 protein augments the protein stability of phosphorylated spastin and promotes the recovery of spinal cord injury through its agonist intervention." eLife 12 (January 17, 2024). http://dx.doi.org/10.7554/elife.90184.4.

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Axon regeneration is abortive in the central nervous system following injury. Orchestrating microtubule dynamics has emerged as a promising approach to improve axonal regeneration. The microtubule severing enzyme spastin is essential for axonal development and regeneration through remodeling of microtubule arrangement. To date, however, little is known regarding the mechanisms underlying spastin action in neural regeneration after spinal cord injury. Here, we use glutathione transferase pulldown and immunoprecipitation assays to demonstrate that 14-3-3 interacts with spastin, both in vivo and
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15

Karcz, Waldemar, and Zbigniew Burdach. "The effect of DC electric field on the elongation growth, proton extrusion and membrane potential of Zea mays L. coleoptile cells; a laboratory study." BMC Plant Biology 22, no. 1 (2022). http://dx.doi.org/10.1186/s12870-022-03778-4.

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Abstract Background In this study, we investigated the effect of an electric field, with an intensity similar to that of the Earth’s field, on plant cells growth. The molecular mechanism underlying this effect remains unclear. Results It was found that the electric field, depending on the applied voltage, its duration and the polarization of the maize seedlings, stimulated or inhibited the growth of the seedling organs (root, mesocotyl and coleoptile). Moreover, it was also noticed that the gravitropic response of maize seedlings was inhibited at all voltages studied. Simultaneous measurements
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