Academic literature on the topic 'Gibberellin Response'

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Journal articles on the topic "Gibberellin Response"

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Mignolli, Francesco, Graciela Beatriz Rojas, and María Laura Vidoz. "Supraoptimal ethylene acts antagonistically with exogenous gibberellins during Solanum lycopersicum (Solanaceae) hypocotyl growth." Boletín de la Sociedad Argentina de Botánica 51, no. 2 (2016): 235–42. http://dx.doi.org/10.31055/1851.2372.v51.n2.14836.

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In many plant species, ethylene and gibberellins interact to regulate plant growth and development. In some cases, these hormones can act in a synergistic way whereas in others they can be antagonistic. To date, the control of hypocotyl elongation by ethylene and gibberellins has been poorly explored in tomato. In this paper, we report that, application of exogenous ethylene to tomato seedlings or high endogenous ethylene production, as in the epinastic mutant, strongly prevent the effect of gibberellic acid (GA3) application. Moreover, constitutive activation of gibberellin signal in a DELLA
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Potter, T. I., K. P. Zanewich, and S. B. Rood. "Gibberellin physiology of safflower: endogenous gibberellins and response to gibberellic acid." Plant Growth Regulation 12, no. 1-2 (1993): 133–40. http://dx.doi.org/10.1007/bf00144594.

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Ashok, Kumar, CP Singh, and Ram Sant. "Response of Plant Hormone bioassay to Paclobutrazol." International Journal of Plant Science and Horticulture 1, no. 3 (2019): 150–62. https://doi.org/10.36811/ijpsh.2019.110014.

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Quantitative estimation of a known or suspected biologically active substance (such as a hormone or drug) by measuring its effect on a living organism in standard conditions is known as bioassay. The interaction of gibberellic acid (GA3) and paclobutrazol (PBZ) in lettuce hypocotyl bioassay and 6-benzyl aminopurine (BAP) and paclobutrazol in radish cotyledon enlargement test that paclobutrazol counteracts gibberellin activity when applied exogenously. The radish cotyledon enlargement at low concentration without counteracting BAP action. The reduction of growth to be counteracting of gibberell
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Wiseman, Nadine J., and Colin G. N. Turnbull. "Effects of photoperiod and paclobutrazol on growth dynamics of petioles in strawberry (Fragaria × ananassa)." Functional Plant Biology 26, no. 4 (1999): 353. http://dx.doi.org/10.1071/pp98001.

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Petiole elongation of strawberry plants (Fragaria × ananassa) is modified by photoperiod, and gibberellins may mediate this response. To test the relationship further, we measured petiole growth dynamics under short and long days, in comparison with responses to paclobutrazol, which reduces gibberellin biosynthesis. Growth rate in short days was lower after 2 days, and at its maximum was 60% of long-day controls. Petiole length at maturity was 75%, and was accounted for primarily by decreased cell length. Subsequent leaves showed similar patterns, but in the third leaf, cell number was also re
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Wang, Bing, and Alan R. Langille. "Response of a Gibberellin-deficient Potato Mutant to Induction and Growth Regulators as a Working Model for Tuber Initiation." HortScience 42, no. 3 (2007): 540–43. http://dx.doi.org/10.21273/hortsci.42.3.540.

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To explore further the role endogenous gibberellins play in the formation of the potato tuber, a gibberellin-deficient dwarf of Solanum tuberosum subsp. andigena (PI 281036) and its normal sibling were used in this study. Because gibberellins are known to be elevated and to affect tuber formation negatively when potato plants are grown under long day conditions, test plants were first grown in a growth chamber under conditions that did not favor tuberization (noninducing conditions). The stem apices of dwarfs received weekly applications of a 100-ppm gibberellic acid (GA3) solution to achieve
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Hanley, Kathleen M., and Duane W. Greene. "Gibberellin-like Compounds from Two Ectomycorrhizal Fungi and the GA3 Response on Scotch Pine Seedlings." HortScience 22, no. 4 (1987): 591–94. http://dx.doi.org/10.21273/hortsci.22.4.591.

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Abstract The ectomycorrhizal fungi Pisolithus tinctorius (Pers.) Coker & Couch and Thelephora terestris (Ehrh) Fr. form symbiotic relationships with pine seedling roots. Significant quantities of gibberellin-like compounds were detected in the filtrates of both P. tinctorius and T. terestris using the lettuce hypocotyl bioassay. To evaluate gibberellin effects on the host physiology, pine (Pinus sylvestris L.) seedlings were treated biweekly with 0 to 100 mg·liter-1 gibberellic acid for 3 months. Treatment did not influence fresh weight, dry weight, or sugar content in either roots or shoo
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Lupepsa, Bruna Francini, Osvaldo Ferrarese-Filho, Rodrigo Polimeni Constantin, Rogerio Marchiosi, and Wanderley Dantas dos Santos. "Gibberellin biosynthesis, its roles in plant physiology and abiotic stress responses." Brazilian Journal of Development 10, no. 11 (2024): e74232. http://dx.doi.org/10.34117/bjdv10n11-003.

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Gibberellins (GAs) are a group of phytohormones that significantly impact plant growth and development processes, including seed germination, stem elongation, and fruit development. These diterpenoid acids are influenced by environmental factors such as light and temperature, which can alter their concentration and activity. Initially discovered in the 1920s in the fungus Gibberella fujikuroi, over 136 GAs have been identified in various plants, fungi, and bacteria. A particularly active form of gibberellin, GA3, is widely used in agriculture to promote cell elongation, induce the grow of seed
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Nawfetrias, W., D. Maretta, D. P. Handayani, et al. "Vegetative response of shallot (Allium cepa Aggregatum group) bulbs on vernalization and gibberellin treatment in different environments." IOP Conference Series: Earth and Environmental Science 1271, no. 1 (2023): 012097. http://dx.doi.org/10.1088/1755-1315/1271/1/012097.

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Abstract This research is an initial study of the effects of vernalization and Gibberellins in two different environments. The research was conducted in a split-split plot design with three factors and three times repetition. The main plot was the environment (environment 1, environment 2), the split plot was vernalization temperature (3±2 and 9±2°C), and split-split plot was Gibberellin concentration (0, 50, 100, 150 ppm). The result showed that the vernalizations and Gibberellin have significantly affected plant height (p<0.01). The environment significantly affected plant height, number
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Han, Jennifer, Jan E. Murray, Qingyi Yu, Paul H. Moore, and Ray Ming. "The Effects of Gibberellic Acid on Sex Expression and Secondary Sexual Characteristics in Papaya." HortScience 49, no. 3 (2014): 378–83. http://dx.doi.org/10.21273/hortsci.49.3.378.

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The vegetative forms of male (XY), female (XX), and hermaphrodite (XYh) papaya (Carica papaya L.) plants are phenotypically identical. However, the flower and inflorescence morphology of each sex type is unique. Gynodioecious varieties SunUp, SunUp Diminutive mutant, and dioecious AU9 were used to test the response of papaya to gibberellic acid (GA3). Exogenous applications of GA3 on female and hermaphrodite flowers of papaya did not yield any sex reversal phenotype but caused a significant increase in peduncle elongation and inflorescence branch number in all treated plants. An increase in fl
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Hou, J. Q., and G. M. Simpson. "Germination response to phytochrome depends on specific dormancy states in wild oat (Avena fatua)." Canadian Journal of Botany 71, no. 11 (1993): 1528–32. http://dx.doi.org/10.1139/b93-185.

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Effects of brief red and far-red light on germination of seeds from dormant lines of wild oat (Avena fatua L.) were studied in combination with mechanical injury to the seed coat, application of gibberellin A3, or changes in relative humidity during afterripening. Aberrant germination responses to phytochrome action were observed in the mechanically injured seeds in some of the lines, i.e., brief red light inhibited or delayed germination induced by injury, and immediately following far-red light cancelled the negative effects. Phytochrome action influenced germination of the gibberellin-treat
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Dissertations / Theses on the topic "Gibberellin Response"

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Rollason, Ruth. "Transcriptional regulation of the gibberellin response in oat aleurone." Thesis, University of Bristol, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.343305.

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Cowling, Rachel Joanne. "Characterization of gibberellin responses in Arabidopsis thaliana seedlings." Thesis, University of East Anglia, 1997. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.389353.

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Sa, Ariadne Felicio Lopo de. "Mutations affecting tomato (Solanum lycopersicum L. cv. Micro-Tom) response to salt stress and their physiological meaning." Universidade de São Paulo, 2016. http://www.teses.usp.br/teses/disponiveis/11/11144/tde-26092016-125619/.

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Salinity is a challenge for crop productivity. Hence, plants exposed to saline environments reduce their vegetative and reproductive growth due to adverse effects of specific ions on metabolism and water relations. In order to cope with salinity, plants display physiological mechanisms based on three main aspects: i) source-sink relationships, ii) resource allocation and iii) alterations in endogenous hormone levels. The roles of developmental and hormonal mechanisms in salt response were investigated here. We employed mutants and transgenic tomato plants affecting different aspects of plant d
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Palzkill, D. A., L. DePaul, and C. Sivilli. "Seed Germination Response of Penstemon spp. To Gibberellic Acid." College of Agriculture, University of Arizona (Tucson, AZ), 1988. http://hdl.handle.net/10150/215861.

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Treatment of seed with gibberellic acid (GA) resulted in significant increases in germination percent for Penstemon ambiguous, P. barbatus, P. eatoni, P. palmeri, P. parryi. P. pseudospectabilis, P. secundiflorus, and P. strictus in one or both of two experiments which were conducted. Germination of several other species increased with GA treatment, but differences were not significant.
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Hernández, García Jorge. "Ancestral Functions of DELLA Proteins." Doctoral thesis, Universitat Politècnica de València, 2021. http://hdl.handle.net/10251/169370.

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[ES] Las plantas necesitan acomodar su crecimiento a las condiciones ambientales. Con el objetivo de ajustar su desarrollo a las señales externas, usan una serie de mecanismos moleculares. Uno de estos son las rutas de señalización hormonal, que participan en integrar la información externa con programas de desarrollo propios. Una de las hormonas más relevantes en la biología vegetal son las giberelinas (GAs). La señalización por GAs se inicia con la percepción de la hormona a través del receptor GID1, y continúa por la degradación de las reguladoras transcripcionales DELLA. Sin embargo, solo
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Zhang, Yan [Verfasser]. "The SBP-box gene SPL8 affects reproductive development and gibberellin response in arabidopsis / vorgelegt von Yan Zhang." 2005. http://d-nb.info/977201031/34.

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Onanuga, Adebusoye. "A HYDROPONIC APPROACH TO EVALUATE RESPONSES TO NUTRIENTS AND PHYTOHORMONES IN COTTON PLANTS (Gossypium hirsutum L.) GROWTH AND DEVELOPMENT." 2013. http://hdl.handle.net/10222/44678.

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Cotton plant growth and development, as well as monitoring nutrient use efficiency were evaluated using hydroponic approach. Two set of experiments were conducted to determine the influence of phosphorus (P), potassium (K) and PK and exogenous application of Indole-3-acetic acid (IAA), gibberellic acid (GA3), zeatin (Z) and their combinations on growth and development of cotton plants (Gossypium hirsutum) grown hydroponically. In the nutrient solution experiment, cotton vegetative growth was positively influenced by low P (half strength Hoagland standard solution), low K (one-sixth strength Ho
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Ritchings, Bruce W. "Two studies on the developmental biology of the corngrass (Cg) mutation of maize (Zea mays L.) 1) the response of corngrass to exogenous application of two gibberellins : 2) the effect of daylength and temperature on expression of the corngrass phenotype /." 1987. http://catalog.hathitrust.org/api/volumes/oclc/17472635.html.

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Thesis (M.S.)--University of Wisconsin--Madison, 1987.<br>Typescript. eContent provider-neutral record in process. Description based on print version record. Includes bibliographical references (leaves 96-100).
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Book chapters on the topic "Gibberellin Response"

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Ali, Imad A., U. Kafkafi, I. Yamaguchi, Y. Sugimoto, and S. Inanaga. "Gibberellin, cytokinins, nitrate content and rate of water transport in the stem in response to root temperature." In Plant Nutrition for Sustainable Food Production and Environment. Springer Netherlands, 1997. http://dx.doi.org/10.1007/978-94-009-0047-9_216.

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Rogers, John C., Michael B. Lanahan, Sally W. Rogers, and John Mundy. "The gibberellin response element: A DNA sequence in cereal a-amylase gene promoters that mediates GA and ABA effects." In Progress in Plant Growth Regulation. Springer Netherlands, 1992. http://dx.doi.org/10.1007/978-94-011-2458-4_14.

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Hooley, Richard. "Gibberellins: perception, transduction and responses." In Signals and Signal Transduction Pathways in Plants. Springer Netherlands, 1994. http://dx.doi.org/10.1007/978-94-011-0239-1_17.

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Mallick, Ankita, Subhajoy Dey, Soustav Datta, Mainak Barman, Suman Samui, and Gopal Dutta. "Auxin and Cytokinin Signaling in Plant Stress Response." In Auxins, Cytokinins and Gibberellins Signaling in Plants. Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-031-05427-3_9.

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Minguet, Eugenio G., David Alabadí, and Miguel A. Blázquez. "Gibberellin Implication in Plant Growth and Stress Responses." In Phytohormones: A Window to Metabolism, Signaling and Biotechnological Applications. Springer New York, 2014. http://dx.doi.org/10.1007/978-1-4939-0491-4_5.

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Mitra, Sicon, Mimosa Ghorai, Samapika Nandy, et al. "Gibberellins’ Cross Talk and Signal Transduction in Plant Stress Response." In Auxins, Cytokinins and Gibberellins Signaling in Plants. Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-031-05427-3_10.

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Mazri, Mouaad Amine, Meriyem Koufan, Rabha Abdelwahd, and Ilham Belkoura. "In Vitro Responses of Some Mediterranean Fruit Crops to Auxin, Cytokinin and Gibberellin Treatments." In Auxins, Cytokinins and Gibberellins Signaling in Plants. Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-031-05427-3_5.

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Mousumi, Mondal, Garai Sourav, Nayak Jagamohan, et al. "Role of Gibberellins in Response to Stress Adaptation in Plants." In Plant Growth Regulators for Climate-Smart Agriculture. CRC Press, 2021. http://dx.doi.org/10.1201/9781003109013-1.

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Thomas, Stephen G., Miguel A. Blázquez, and David Alabadí. "Della Proteins: Master Regulators of Gibberellin-Responsive Growth and Development." In Annual Plant Reviews, Volume 49. John Wiley & Sons, Ltd, 2016. http://dx.doi.org/10.1002/9781119210436.ch7.

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Ikeda, A., H. Kitano, Y. Sonoda, Y. Futsuhara, and J. Yamaguchi. "Characterizing a slender mutant with constitutive gibberellin-response in rice." In Advances in Rice Genetics. World Scientific Publishing Company, 2008. http://dx.doi.org/10.1142/9789812814319_0181.

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Conference papers on the topic "Gibberellin Response"

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Illouz-Eliaz, Natanella. "Underground Gibberellin Activity: Differential Gibberellin Response in Tomato Shoots and Roots." In ASPB PLANT BIOLOGY 2020. ASPB, 2020. http://dx.doi.org/10.46678/pb.20.1374638.

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Port, Angela. "Early gibberellin responses associated with stamens development in sunflower." In XIth International Congress of Geneticists and Breeders from the Republic of Moldova. Scientific Association of Geneticists and Breeders of the Republic of Moldova, Institute of Genetics, Physiology and Plant Protection, Moldova State University, 2021. http://dx.doi.org/10.53040/cga11.2021.014.

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"Seed Germination Response of Medicago rigidula and Medicago polymorpha to KNO3, Gibberellic Acid, Sulfuric Acid, and polyethylene glycol." In International Conference on Chemical, Environmental and Biological Sciences. International Institute of Chemical, Biological & Environmental Engineering, 2015. http://dx.doi.org/10.15242/iicbe.c0315075.

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Guedes, Marcos Vinicius Paladin, Júlia Bibiani Fidêncio, Letícia Rampo, Willian de Araújo Lima, and Emmanuel Zullo Godinho. "Practical class experience report: Use of soybean phytohormone in herb germination – Basil." In VI Seven International Multidisciplinary Congress. Seven Congress, 2024. http://dx.doi.org/10.56238/sevenvimulti2024-086.

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Basil is a medicinal herb that has been cultivated since ancient times. It also has medicinal, antibacterial, antioxidant, and antispasmodic properties. It is good for the digestive system, insect bites, and bad breath. It is also very useful in the food industry. Oilseed phytohormones are essential compounds (hormones) that regulate plant growth and development. The main phytohormones include auxins, gibberellins, cytokinins, abscisic acid, and ethylene, each of which plays a specific role. Therefore, the objective of this study was to evaluate the germination of basil using different doses o
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Reports on the topic "Gibberellin Response"

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Or, Etti, Tai-Ping Sun, Amnon Lichter, and Avichai Perl. Characterization and Manipulation of the Primary Components in Gibberellin Signaling in the Grape Berry. United States Department of Agriculture, 2010. http://dx.doi.org/10.32747/2010.7592649.bard.

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Seedless cultivars dominate the table grape industry. In these cultivars it is mandatory to apply gibberellin (GA) to stimulate berry development to a commercially acceptable size. These cultivars differ in their sensitivity to GA application, and it frequently results in adverse effects such as decreased bud fertility and increased fruit drop. Our long term goals are to (1) understand the molecular basis for the differential sensitivity and identify markers for selection of sensitive cultivars (2) to develop new strategies for targeted manipulation of the grape berry response to GA that will
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Grumet, Rebecca, Rafael Perl-Treves, and Jack Staub. Ethylene Mediated Regulation of Cucumis Reproduction - from Sex Expression to Fruit Set. United States Department of Agriculture, 2010. http://dx.doi.org/10.32747/2010.7696533.bard.

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Reproductive development is a critical determinant of agricultural yield. For species with unisexual flowers, floral secualdifferentation adds additional complexity, that can influenec productivity. The hormone ethylene has long, been known to play a primary role in sex determination in the Cucumis species cucumber (C. sativus) and melon (C. melo). Our objectives were to: (1) Determine critical sites of ethylene production and perception for sex determination; (2) Identify additional ethylene related genes associated with sex expression; and (3) Examine the role of environment ami prior fruit
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Olszewski, Neil, and David Weiss. Role of Serine/Threonine O-GlcNAc Modifications in Signaling Networks. United States Department of Agriculture, 2010. http://dx.doi.org/10.32747/2010.7696544.bard.

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Significant evidence suggests that serine/threonine-O-linked N-acetyl glucosamine0-(GlcNAc) modifications play a central role in the regulation of plant signaling networks. Forexample, mutations in SPINDLY,) SPY (an O-GlcNAc transferase,) OGT (promote gibberellin GA) (signal transduction and inhibit cytokinin responses. In addition, mutating both Arabidopsis OGTsSEC (and SPY) causes embryo lethality. The long-term goal of this research is to elucidate the mechanism by which Arabidopsis OGTs regulate signaling networks. This project investigated the mechanisms of O-GlcNAc regulation of cytokini
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Weiss, David, and Neil Olszewski. Manipulation of GA Levels and GA Signal Transduction in Anthers to Generate Male Sterility. United States Department of Agriculture, 2000. http://dx.doi.org/10.32747/2000.7580678.bard.

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The original objectives of the research were: i. To study the role of GA in anther development, ii. To manipulate GA and/or GA signal transduction levels in the anthers in order to generate male sterility. iii. To characterize the GA signal transduction repressor, SPY. Previous studies have suggested that gibberellins (GAs) are required for normal anther development. In this work, we studied the role of GA in the regulation of anther development in petunia. When plants were treated with the GA-biosynthesis inhibitor paclobutrazol, anther development was arrested. Microscopic analysis of these
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Friedman, Haya, Julia Vrebalov, and James Giovannoni. Elucidating the ripening signaling pathway in banana for improved fruit quality, shelf-life and food security. United States Department of Agriculture, 2014. http://dx.doi.org/10.32747/2014.7594401.bard.

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Background : Banana being a monocot and having distinct peel and pulp tissues is unique among the fleshy fruits and hence can provide a more comprehensive understanding of fruit ripening. Our previous research which translated ripening discoveries from tomato, led to the identification of six banana fruit-associated MADS-box genes, and we confirmed the positive role of MaMADS1/2 in banana ripening. The overall goal was to further elucidate the banana ripening signaling pathway as mediated by MADS-boxtranscriptional regulators. Specific objectives were: 1) characterize transcriptional profiles
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