Academic literature on the topic 'Plants Arabidopsis thaliana Phosphorus'

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Journal articles on the topic "Plants Arabidopsis thaliana Phosphorus"

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Clark, Gregory T., James Dunlop, and H. Thai Phung. "Phosphate absorption by Arabidopsis thaliana: interactions between phosphorus status and inhibition by arsenate." Functional Plant Biology 27, no. 10 (2000): 959. http://dx.doi.org/10.1071/pp99108.

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The effects of phosphorus status and arsenate on the absorption of phosphate by roots of intact sterile seedlings of Arabidopsis thaliana were studied by analysing the rate of depletion of phosphate from solutions initially containing 10 M KH2PO4. Depletion of phosphate from the experimental solutions was measured both chemically and by labelling with 32P. There was a substantial efflux of phosphate coincident with a rapid influx of phosphate, with efflux increasing with increasing phosphorus status. The highest rates of absorption were obtained for the plants initially grown with a high level
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Robbins, Chanz, Thorsten Thiergart, Stéphane Hacquard, et al. "Root-Associated Bacterial and Fungal Community Profiles of Arabidopsis thaliana Are Robust Across Contrasting Soil P Levels." Phytobiomes Journal 2, no. 1 (2018): 24–34. http://dx.doi.org/10.1094/pbiomes-09-17-0042-r.

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Plant survival depends on the ability of roots to sense and acquire nutrients in soils, which harbor a rich diversity of microbes. A subset of this microcosm interacts with plant roots and collectively forms root-associated microbial communities, termed the root microbiota. Under phosphorus-limiting conditions, some plants can engage in mutualistic interactions, for example with arbuscular mycorrhizal fungi. Here, we describe how Arabidopsis thaliana, which lacks the genetic capacity for establishing the aforementioned symbiosis, interacts with soil-resident bacteria and fungi in soil from a l
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TRULL, M. C., M. J. GUILTINAN, J. P. LYNCH, and J. DEIKMAN. "The responses of wild-type and ABA mutant Arabidopsis thaliana plants to phosphorus starvation." Plant, Cell and Environment 20, no. 1 (1997): 85–92. http://dx.doi.org/10.1046/j.1365-3040.1997.d01-4.x.

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Cai, Binbin, Tony Vancov, Hanqi Si, et al. "Isolation and Characterization of Endomycorrhizal Fungi Associated with Growth Promotion of Blueberry Plants." Journal of Fungi 7, no. 8 (2021): 584. http://dx.doi.org/10.3390/jof7080584.

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Despite their notable root mutualism with blueberries (Vaccinium spp.), studies related to Ericoid mycorrhizal (ERM) are relatively limited. In this study, we report the isolation of 14 endomycorrhizal fungi and their identification by fungal colony morphology characterization combined with PCR-amplified fungal internal transcribed spacer (ITS) sequence analyses. Six of the isolated strains were confirmed as beneficial mycorrhizal fungi for blueberry plants following inoculation. We observed the formation of typical ERM hyphae coil structures—which promote and nutritionally support growth—in b
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Liu, Na, Wenyan Shang, Chuang Li, et al. "Evolution of the SPX gene family in plants and its role in the response mechanism to phosphorus stress." Open Biology 8, no. 1 (2018): 170231. http://dx.doi.org/10.1098/rsob.170231.

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Molecular and genomic studies have shown the presence of a large number of SPX gene family members in plants, some of which have been proved to act in P signalling and homeostasis. In this study, the molecular and evolutionary characteristics of the SPX gene family in plants were comprehensively analysed, and the mechanisms underlying the function of SPX genes in P signalling and homeostasis in the model plant species Arabidopsis ( Arabidopsis thaliana ) and rice ( Oryza sativa ), and in important crops, including wheat ( Triticum aestivum ), soya beans ( Glycine max ) and rapeseed ( Brassica
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Pantigoso, Hugo A., Jun Yuan, Yanhui He, Qinggang Guo, Charlie Vollmer, and Jorge M. Vivanco. "Role of root exudates on assimilation of phosphorus in young and old Arabidopsis thaliana plants." PLOS ONE 15, no. 6 (2020): e0234216. http://dx.doi.org/10.1371/journal.pone.0234216.

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Stetter, Markus G., Martin Benz, and Uwe Ludewig. "Increased root hair density by loss of WRKY6 in Arabidopsis thaliana." PeerJ 5 (January 24, 2017): e2891. http://dx.doi.org/10.7717/peerj.2891.

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Root hairs are unicellular elongations of certain rhizodermal cells that improve the uptake of sparingly soluble and immobile soil nutrients. Among different Arabidopsis thaliana genotypes, root hair density, length and the local acclimation to low inorganic phosphate (Pi) differs considerably, when analyzed on split agar plates. Here, genome-wide association fine mapping identified significant single nucleotide polymorphisms associated with the increased root hair density in the absence of local phosphate on chromosome 1. A loss-of-functionmutant of the candidate transcription factor gene WRK
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Yoshihara, Akiko, Noriko Nagata, Hajime Wada, and Koichi Kobayashi. "Plastid Anionic Lipids Are Essential for the Development of Both Photosynthetic and Non-Photosynthetic Organs in Arabidopsis thaliana." International Journal of Molecular Sciences 22, no. 9 (2021): 4860. http://dx.doi.org/10.3390/ijms22094860.

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The lipid bilayer matrix of the thylakoid membrane of cyanobacteria and chloroplasts of plants and algae is mainly composed of uncharged galactolipids, but also contains anionic lipids sulfoquinovosyldiacylglycerol (SQDG) and phosphatidylglycerol (PG) as major constituents. The necessity of PG for photosynthesis is evident in all photosynthetic organisms examined to date, whereas the requirement of SQDG varies with species. In plants, although PG and SQDG are also found in non-photosynthetic plastids, their importance for the growth and functions of non-photosynthetic organs remains unclear. I
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Ma, Z., D. G. Bielenberg, K. M. Brown, and J. P. Lynch. "Regulation of root hair density by phosphorus availability in Arabidopsis thaliana." Plant, Cell & Environment 24, no. 4 (2001): 459–67. http://dx.doi.org/10.1046/j.1365-3040.2001.00695.x.

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Lott, John NA, and M. Marcia West. "Elements present in mineral nutrient reserves in dry Arabidopsis thaliana seeds of wild type and pho1, pho2, and man1 mutants." Canadian Journal of Botany 79, no. 11 (2001): 1292–96. http://dx.doi.org/10.1139/b01-117.

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Comparison of wild type and mutants of Arabidopsis thaliana offers an opportunity to study the genetic control of nutrient storage in seeds. We used energy dispersive X-ray analysis to determine the elements present and their relative amounts in globoids of dry wild-type seeds, as well as seeds of a reduced total P uptake mutant (pho1), a phosphate accumulator (pho2), and a metal accumulator (man1). Globoids are spherical inclusions, rich in phytate that function as a store for inositol, P, K, Mg, Ca, Fe, and Zn. Key findings of this study were the following: (i) globoids in protein bodies fro
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Dissertations / Theses on the topic "Plants Arabidopsis thaliana Phosphorus"

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Dong, Bei. "A phosphorus mutant of Arabidopsis thaliana." Title page, table of contents and abstract only, 1999. http://web4.library.adelaide.edu.au/theses/09PH/09phd682.pdf.

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Bibliography: leaves 89-104. In this study an EMS-mutated Arabidopsis mutant pho2, which accumulates Pi in leaves, was used to study Pi uptake and transport by comparing it to wild-type seedlings. The study aimed to define the physiological lesions in pho2 mutant and to obtain evidence regarding the function of the PHO2 gene in P nutrition in higher plants. Accumulation of Pi in leaves of pho2 was found to reside in the symplast and was not related to Zn-deficiency. The physiology of the pho2 mutant is consistent with either a block in Pi transport in phloem from shoots to roots or an inabilit
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Janes, George. "Factors regulating cortex cell file proliferation under low phosphorus stress in Arabidopsis thaliana roots." Thesis, University of Nottingham, 2018. http://eprints.nottingham.ac.uk/52299/.

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Radial patterning of root hair bearing cells (trichoblasts) in Arabidopsis thaliana (arabidopsis) follows the type 3 root hair patterning mechanism whereby the radial positioning of trichoblasts is coordinated according to the position of underlying cortex cells (Pemberton et al. 2001). Epidermal cells which are positioned over the cleft between two underlying cortex cell files adopt trichoblast identity. Low phosphate stress in arabidopsis roots has been show to result in an increase in the number of cortex cell files from 8 to 12-16, which in turn results in an increase in the number of tric
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Bartonjo, Jane Jeruto. "Heterologous Expression of Arabidopsis Thaliana Purple Acid Phosphatase Gene (Atpap15) in Crops for Phytoremediation of Sites Contaminated with Excess Phosphorus." TopSCHOLAR®, 2015. http://digitalcommons.wku.edu/theses/1505.

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AtPAP15 is one of the purple acid phosphatases expressed by Arabidopsis thaliana that has been extensively studied. Purified AtPAP15 has been shown to exhibit both phytase and phosphomonoesterase activities in acidic pH with maximal activity at pH 4.5. AtPAP15 is a phosphorus starvation inducible (PSI) gene that is expressed highly during phosphorus deficient conditions. In the current study, AtPAP15 was overexpressed in Nicotiana tabaccum under cauliflower mosaic virus (CaMV35S) constitutive promoter. After PCR confirmation of the gene, plants were transferred to the greenhouse and allowed to
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Masakapalli, Shyam Kumar. "Network flux analysis of central metabolism in plants." Thesis, University of Oxford, 2011. http://ora.ox.ac.uk/objects/uuid:ac8b3836-9ab7-4060-b50a-df8aaa0e4ba5.

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The aim of this thesis was to develop stable-isotope steady-state metabolic flux analysis (MFA) based on <sup>13</sup>C labeling to quantify intracellular fluxes of central carbon metabolism in plants. The experiments focus on the analysis of a heterotrophic cell suspension culture of Arabidopsis thaliana (L) Heynh. (ecotype Landsberg erecta). The first objective was to develop a robust methodology based on combining high quality steady-state stable labeling data, metabolic modeling and computational analysis. A comprehensive analysis of the factors that influence the outcome of MFA was undert
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Swoish, Michael Joseph. "Technological Innovations for Mid-Atlantic Cropping Systems." Diss., Virginia Tech, 2020. http://hdl.handle.net/10919/104449.

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Greater projected demand for food, fuel, and fiber will require substantial increases in global agricultural production over the next three decades. Climate change is also forecasted to make weather events more extreme and variable. Efficiency will become more important as demand for food products increases and the availability of fertilizer and land decreases. Technology may be of paramount importance for pushing the boundaries of production while remaining sustainable for generations to come. The first chapter of this dissertation investigated the importance of rate and timing of the plant g
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Malone, Susan. "Phosphoenolpyruvate carboxykinase in Arabidopsis thaliana (L.)." Thesis, University of Sheffield, 2002. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.269288.

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Rawlins, Marion Ruth. "Glutathion synthetase in Arabidopsis thaliana." Thesis, University of Oxford, 1998. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.299174.

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Surovtseva, Yulia V. "Telomere-associated proteins in Arabidopsis thaliana." [College Station, Tex. : Texas A&M University, 2008. http://hdl.handle.net/1969.1/ETD-TAMU-2656.

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Muskett, Paul Raymond. "Studies on promoter trap transgenic plants of Arabidopsis thaliana." Thesis, University of Leicester, 1997. http://hdl.handle.net/2381/29757.

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In order to identify and isolate genomic sequences that direct gene expression in the vascular tissues a 'promoter trapping' approach was adopted. Populations of transgenic Arabidopsis thaliana have been generated that contain a promoter trap vector, comprising a promoterless gusA gene. The rationale is that the inserted gusA sequence is only expected to be activated when integrated downstream of a native gene promoter, creating a functional gene fusion. Five transgenic Arabidopsis lines that were previously demonstrated to exhibit GUS fusion activity in vascular tissues were selected for this
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Steynen, Quintin John, and University of Lethbridge Faculty of Arts and Science. "Genetic analysis of leaf vascular patterning in Arabidopsis thaliana." Thesis, Lethbridge : University of Lethbridge, University of Lethbridge. Faculty of Arts and Science, 2001, 2001. http://hdl.handle.net/10133/143.

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I have isolated and characterized a recessive mutation in the Forked (FKD) gene that results in the abnormal initiation of vascular bundles in the foliar organs, such that the apices of the vascular bundles initiate freely. Once initiated, the development of Fkd vascular bundles is like wild type, generating an open vascular pattern of similar complexity to the closed venation pattern of wild type. Despite the significant alteration in the vascular pattern, Fkd plants are morphologically indistinct from wild type. fkd mutants do not show altered sensitivity to the effects of auxin and show add
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Books on the topic "Plants Arabidopsis thaliana Phosphorus"

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Heino, Pekka. Changes in gene expression, protein synthesis and protein phosphorylation during cold acclimation in Arabidopsis thaliana (L.) heynh. Dept. of Molecular Genetics, Swedish University of Agricultural Sciences, 1989.

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Sofo, Adriano. Arabidopsis Thaliana: Cultivation, Life Cycle and Functional Genomics. Nova Science Publishers, Incorporated, 2015.

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S, Brown Christopher, and United States. National Aeronautics and Space Administration., eds. Protein expression in Arabidopsis Thaliana after chronic clinorotation. The Bionetics Corporation, 1994.

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Harberd, Nicholas. Seed to Seed: The Secret Life of Plants. Bloomsbury USA, 2006.

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Seed to Seed. Bloomsbury Publishing PLC, 2007.

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Seed to Seed. Bloomsbury Publishing PLC, 2006.

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Jebanathirajah, Judith A. Carbon metabolism and regulation in C3 plants - "Isolation and characterization of high CO2 responsive mutants of arabidopsis thaliana". 2001.

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Book chapters on the topic "Plants Arabidopsis thaliana Phosphorus"

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Dunlop, James, Greg Clark, and Thai Phung. "Regulation of phosphate absorption by phosphorus nutritional status in Arabidopsis thaliana seedlings." In Plant Nutrition for Sustainable Food Production and Environment. Springer Netherlands, 1997. http://dx.doi.org/10.1007/978-94-009-0047-9_24.

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Feldmann, K. A. "Seed Transformation in Arabidopsis thaliana." In Gene Transfer to Plants. Springer Berlin Heidelberg, 1995. http://dx.doi.org/10.1007/978-3-642-79247-2_2.

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Valvekens, D., A. Van Gysel, M. Van Montagu, and M. Van Lijsebettens. "Transformation of Arabidopsis thaliana Using Root Explants." In Gene Transfer to Plants. Springer Berlin Heidelberg, 1995. http://dx.doi.org/10.1007/978-3-642-79247-2_1.

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Stammers, Melanie, Renate Schmidt, and Caroline Dean. "Physical Mapping of the Arabidopsis thaliana Genome." In Genomes of Plants and Animals. Springer US, 1996. http://dx.doi.org/10.1007/978-1-4899-0280-1_6.

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Bechtold, Nicole, and Georges Pelletier. "In Planta AgrobacteriumMediated Transformation of Adult Arabidopsis thaliana Plants by Vacuum Infiltration." In Arabidopsis Protocols. Humana Press, 1998. http://dx.doi.org/10.1385/0-89603-391-0:259.

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Noguchi, Kyotaro, Toru Fujiwara, Mitsuo Chino, Toshiro Matsunaga, and Hisao Watanabe-Oda. "Absorption and distribution of boron in Arabidopsis thaliana." In Boron in Soils and Plants. Springer Netherlands, 1997. http://dx.doi.org/10.1007/978-94-011-5564-9_39.

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Goodman, Howard M., Susan Hanley, Sam Cartinhour, et al. "An integrated RFLP map of Arabidopsis thaliana." In Advances in Cellular and Molecular Biology of Plants. Springer Netherlands, 1994. http://dx.doi.org/10.1007/978-94-011-1104-1_9.

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Goodman, Howard M., Susan Hanley, Sam Cartinhour, et al. "An integrated RFLP map of Arabidopsis thaliana." In Advances in Cellular and Molecular Biology of Plants. Springer Netherlands, 2001. http://dx.doi.org/10.1007/978-94-015-9815-6_11.

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Inzé, D., P. Ferreira, A. Hemerly, et al. "The Molecular Basis of Cell Cycle Control in Arabidopsis thaliana." In Morphogenesis in Plants. Springer US, 1993. http://dx.doi.org/10.1007/978-1-4899-1265-7_7.

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Bösinger, Carola S., Karin Meierhoff, Peter Westhoff, and Alfred R. Holzwarth. "Fluorescence Kinetics of Whole Plants of Arabidopsis Thaliana." In Photosynthesis: Mechanisms and Effects. Springer Netherlands, 1998. http://dx.doi.org/10.1007/978-94-011-3953-3_501.

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Conference papers on the topic "Plants Arabidopsis thaliana Phosphorus"

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"Retrotransposons of Arabidopsis thaliana expressed in wild-type plants." In Bioinformatics of Genome Regulation and Structure/ Systems Biology. institute of cytology and genetics siberian branch of the russian academy of science, Novosibirsk State University, 2020. http://dx.doi.org/10.18699/bgrs/sb-2020-198.

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Novikova, G. V., K. S. Mironov, A. V. Nosov, A. A. Zorina, and A. A. Fomenkov. "Redox regulation of proliferation of cultured Arabidopsis thaliana cells." In IX Congress of society physiologists of plants of Russia "Plant physiology is the basis for creating plants of the future". Kazan University Press, 2019. http://dx.doi.org/10.26907/978-5-00130-204-9-2019-316.

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Deineko, I. V., O. N. Mustafayev, K. V. Kabardaev, A. A. Tyurin, and I. V. Goldenkova-Pavlova. "Determinants of translational activity in plants using the example of Arabidopsis thaliana." In IX Congress of society physiologists of plants of Russia "Plant physiology is the basis for creating plants of the future". Kazan University Press, 2019. http://dx.doi.org/10.26907/978-5-00130-204-9-2019-148.

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Belkov, V. I., E. Yu Garnik, and Yu M. Konstantinov. "SIGNIFICANCE OF PHOTORECEPTORS IN STATE TRANSITIONS IN ARABIDOPSIS THALIANA." In The All-Russian Scientific Conference with International Participation and Schools of Young Scientists "Mechanisms of resistance of plants and microorganisms to unfavorable environmental". SIPPB SB RAS, 2018. http://dx.doi.org/10.31255/978-5-94797-319-8-886-888.

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Rabadanova, K. K., E. V. Tyutereva, K. S. Dobryakova, and O. V. Voitsekhovskaja. "The potassium role in the autophagy induction in salt stress in Arabidopsis thaliana." In IX Congress of society physiologists of plants of Russia "Plant physiology is the basis for creating plants of the future". Kazan University Press, 2019. http://dx.doi.org/10.26907/978-5-00130-204-9-2019-370.

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Sidorchuk, Yu V., A. S. Schelokova, N. V. Permyakova, and E. V. Deineko. "Aggregation of the suspension culture of Arabidopsis thaliana under impaired GAUT1 gene expression." In IX Congress of society physiologists of plants of Russia "Plant physiology is the basis for creating plants of the future". Kazan University Press, 2019. http://dx.doi.org/10.26907/978-5-00130-204-9-2019-398.

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Yanchik, D. A., V. A. Dmitrieva, K. S. Dobryakova, E. V. Tyutereva, and O. V. Wojciechowska. "Features of phytochrome and cryptochromic regulation in Arabidopsis thaliana mutants without chlorophyll b." In IX Congress of society physiologists of plants of Russia "Plant physiology is the basis for creating plants of the future". Kazan University Press, 2019. http://dx.doi.org/10.26907/978-5-00130-204-9-2019-497.

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Masyab, Hikmat. "Expression patterns of GUS Gene in Five Different Strains of Arabidopsis thaliana Plants." In 2018 International Conference on Pure and Applied Science. Koya University, 2018. http://dx.doi.org/10.14500/icpas2018.bph24.

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Rudenko, N. N., V. V. Terentyev, O. V. Dymova, T. P. Fedorchuk, L. K. Ignatova, and B. N. Ivanov. "The participation of carbonic anhydrase alpha-4 in the photosynthetic reactions of Arabidopsis thaliana." In IX Congress of society physiologists of plants of Russia "Plant physiology is the basis for creating plants of the future". Kazan University Press, 2019. http://dx.doi.org/10.26907/978-5-00130-204-9-2019-379.

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Bychkov, I. A., N. V. Kudryakova, and V. V. Kuznetsov. "FESOD2 and its role in the adaptation of Arabidopsis thaliana plants to heat stress." In IX Congress of society physiologists of plants of Russia "Plant physiology is the basis for creating plants of the future". Kazan University Press, 2019. http://dx.doi.org/10.26907/978-5-00130-204-9-2019-91.

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Reports on the topic "Plants Arabidopsis thaliana Phosphorus"

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Granot, David, Richard Amasino, and Avner Silber. Mutual effects of hexose phosphorylation enzymes and phosphorous on plant development. United States Department of Agriculture, 2006. http://dx.doi.org/10.32747/2006.7587223.bard.

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Research objectives 1) Analyze the combined effects of hexose phosphorylation and P level in tomato and Arabidopsis plants 2) Analyze the combined effects of hexose phosphorylation and P level in pho1 and pho2 Arabidopsis mutants 3) Clone and analyze the PHO2 gene 4) Select Arabidopsis mutants resistant to high and low P 5) Analyze the Arabidopsis mutants and clone the corresponding genes 6) Survey wild tomato species for growth characteristics at various P levels Background to the topic Hexose phosphorylating enzymes, the first enzymes of sugar metabolism, regulate key processes in plants suc
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Morin, Shai, Gregory Walker, Linda Walling, and Asaph Aharoni. Identifying Arabidopsis thaliana Defense Genes to Phloem-feeding Insects. United States Department of Agriculture, 2013. http://dx.doi.org/10.32747/2013.7699836.bard.

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The whitefly (Bemisia tabaci) is a serious agricultural pest that afflicts a wide variety of ornamental and vegetable crop species. To enable survival on a great diversity of host plants, whiteflies must have the ability to avoid or detoxify numerous different plant defensive chemicals. Such toxins include a group of insect-deterrent molecules called glucosinolates (GSs), which also provide the pungent taste of Brassica vegetables such as radish and cabbage. In our BARD grant, we used the whitefly B. tabaci and Arabidopsis (a Brassica plant model) defense mutants and transgenic lines, to gain
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Fromm, A., Avihai Danon, and Jian-Kang Zhu. Genes Controlling Calcium-Enhanced Tolerance to Salinity in Plants. United States Department of Agriculture, 2003. http://dx.doi.org/10.32747/2003.7585201.bard.

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The specific objectives of the proposed research were to identify, clone and characterize downstream cellular target(s) of SOS3 in Arabidopsis thaliana, to analyze the Ca2+-binding characteristics of SOS3 and the sos3-1 mutant and their interactions with SOS3 cellular targets to analyze the SOS3 cell-specific expression patterns, and its subcellular localization, and to assess the in vivo role of SOS3 target protein(s) in plant tolerance to salinity stress. In the course of the study, in view of recent opportunities in identifying Ca2+ - responsive genes using microarrays, the group at Weizman
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Chamovitz, Daniel A., and Albrecht G. Von Arnim. eIF3 Complexes and the eIF3e Subunit in Arabidopsis Development and Translation Initiation. United States Department of Agriculture, 2009. http://dx.doi.org/10.32747/2009.7696545.bard.

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The original working hypothesis of our proposal was that The “e” subunit of eIF3 has multiple functions from both within the nucleus and in the cytoplasm. Within this model, we further hypothesized that the “e” subunit of eIF3 functions in translation as a repressor. We proposed to test these hypotheses along the following specific aims: 1) Determine the subcellular localization of the interaction between eIF3e and other eIF3 subunits, or the COP9 signalosome. 2) Elucidate the biological significance of the varied subcellular localizations of eIF3e through generating Arabidopsis eIF3e alleles
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Fromm, Hillel, Paul Michael Hasegawa, and Aaron Fait. Calcium-regulated Transcription Factors Mediating Carbon Metabolism in Response to Drought. United States Department of Agriculture, 2013. http://dx.doi.org/10.32747/2013.7699847.bard.

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Original objectives: The long-term goal of the proposed research is to elucidate the transcription factors, genes and metabolic networks involved in carbon metabolism and partitioning in response to water deficit. The proposed research focuses on the GTLcalcium/calmodulinbindingTFs and the gene and metabolic networks modulated by these TFs in Arabidopsis thaliana. The specific objectives are as follows. Objective-1 (USA): Physiological analyses of GTL1 loss- and gain-of-function plants under water sufficient and drought stress conditions Objective 2 (USA / Israel-TAU): Characterizion of GTL ta
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Whitecloud, Simone, Holly VerMeulen, Franz Lichtner, et al. Understanding plant volatiles for environmental awareness : chemical composition in response to natural light cycles and wounding. Engineer Research and Development Center (U.S.), 2022. http://dx.doi.org/10.21079/11681/45961.

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Plants emit a bouquet of volatile organic compounds (VOCs) in response to both biotic and abiotic stresses and, simultaneously, eavesdrop on emit-ted signals to activate direct and indirect defenses. By gaining even a slight insight into the semantics of interplant communications, a unique aware-ness of the operational environment may be obtainable (e.g., knowledge of a disturbance within). In this effort, we used five species of plants, Arabidopsis thaliana, Panicum virgatum, Festuca rubra, Tradescantia zebrina, and Achillea millefolium, to produce and query VOCs emitted in response to mechan
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Chamovitz, Daniel, and Albrecht Von Arnim. Translational regulation and light signal transduction in plants: the link between eIF3 and the COP9 signalosome. United States Department of Agriculture, 2006. http://dx.doi.org/10.32747/2006.7696515.bard.

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The COP9 signalosome (CSN) is an eight-subunit protein complex that is highly conserved among eukaryotes. Genetic analysis of the signalosome in the plant model species Arabidopsis thaliana has shown that the signalosome is a repressor of light dependent seedling development as mutant Arabidopsis seedlings that lack this complex develop in complete darkness as if exposed to light. These mutant plants die following the seedling stage, even when exposed to light, indicating that the COP9 signalosome also has a central role in the regulation of normal photomorphogenic development. The biochemical
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Aly, Radi, James H. Westwood, and Carole L. Cramer. Novel Approach to Parasitic Weed Control Based on Inducible Expression of Cecropin in Transgenic Plants. United States Department of Agriculture, 2003. http://dx.doi.org/10.32747/2003.7586467.bard.

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Our overall goal was to engineer crop plants with enhanced resistance to Orobanche (broomrape) based on the inducible expression of sarcotoxin-like peptide (SLP). A secondary objective was to localize small proteins such as SLP in the host-parasite union in order to begin characterizing the mechanism of SLP toxicity to Orobanche. We have successfully accomplished both of these objectives and have demonstrated that transgenic tobacco plants expressing SLP under control of the HMG2 promoter show enhanced resistance to O. aegyptiaca and O. ramosa . Furthermore, we have shown that proteins much la
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Lers, Amnon, and Pamela J. Green. Analysis of Small RNAs Associated with Plant Senescence. United States Department of Agriculture, 2013. http://dx.doi.org/10.32747/2013.7593393.bard.

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Senescence is an agriculturally significant process due to its negative impact to crop yield and postharvest quality. The genetic regulatory systems controlling senescence induction and progress respond to both developmental and environmental stress signals and involve numerous gene expression changes. Knowledge about the key molecular factors which control senescence is very limited. MicroRNAs (miRNAs) are a class of small RNAs which typically function by guiding cleavage of target messenger RNAs. They have been shown to play major roles in a variety of plant processes including development,
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Eshel, Amram, Jonathan P. Lynch, and Kathleen M. Brown. Physiological Regulation of Root System Architecture: The Role of Ethylene and Phosphorus. United States Department of Agriculture, 2001. http://dx.doi.org/10.32747/2001.7585195.bard.

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Specific Objectives and Related Results: 1) Determine the effect of phosphorus availability on ethylene production by roots. Test the hypothesis that phosphorus availability regulates ethylene production Clear differences were found between the two plants that were studied. In beans ethylene production is affected by P nutrition, tissue type, and stage of development. There are genotypic differences in the rate of ethylene production by various root types and in the differential in ethylene production when P treatments are compared. The acceleration in ethylene production with P deficiency inc
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