Academic literature on the topic 'Phosphate transporter gene'

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Journal articles on the topic "Phosphate transporter gene"

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Wykoff, Dennis D., and Erin K. O'Shea. "Phosphate Transport and Sensing in Saccharomyces cerevisiae." Genetics 159, no. 4 (2001): 1491–99. http://dx.doi.org/10.1093/genetics/159.4.1491.

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Abstract Cellular metabolism depends on the appropriate concentration of intracellular inorganic phosphate; however, little is known about how phosphate concentrations are sensed. The similarity of Pho84p, a high-affinity phosphate transporter in Saccharomyces cerevisiae, to the glucose sensors Snf3p and Rgt2p has led to the hypothesis that Pho84p is an inorganic phosphate sensor. Furthermore, pho84Δ strains have defects in phosphate signaling; they constitutively express PHO5, a phosphate starvation-inducible gene. We began these studies to determine the role of phosphate transporters in sign
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Rae, Anne L., Janine M. Jarmey, Stephen R. Mudge, and Frank W. Smith. "Over-expression of a high-affinity phosphate transporter in transgenic barley plants does not enhance phosphate uptake rates." Functional Plant Biology 31, no. 2 (2004): 141. http://dx.doi.org/10.1071/fp03159.

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Transgenic barley plants that over-express the gene encoding a phosphate transporter were generated and used to test the hypothesis that manipulation of transporters may lead to improved phosphate uptake by plant roots. Replicate T2 seedlings from a homozygous line with a single locus insertion were grown in dilute flow culture. The phosphate contents and uptake rates of these plants were compared with control transgenic and wild-type plants. When external phosphate concentration was maintained at 10 μM, all plants including the transgenic over-expressing line displayed low rates of phosphate
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Li, Yu, Xue Wang, Hao Zhang, et al. "Phosphate Transporter BnaPT37 Regulates Phosphate Homeostasis in Brassica napus by Changing Its Translocation and Distribution In Vivo." Plants 12, no. 19 (2023): 3362. http://dx.doi.org/10.3390/plants12193362.

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Inorganic phosphate (Pi) is actively taken up by Pi transporters (PTs) from the soil and transported into the plant. Here, we functionally characterized the Brassica napus gene BnaPT37, which belongs to the PHT1 family. BnaPT37 is a plasma membrane-localized protein containing 534 amino acids. Expression of BnaPT37 increased significantly under Pi deficiency in various tissues, especially in fully expanded leaves. Expression of the β-glucuronidase reporter gene driven by the BnaPT37 promoter showed that BnaPT37 is expressed in the root, stem, calyx, and leaf under Pi deficiency. BnaPT37 can co
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Faridah, Eny. "EXPRESSION PATTERNS OF PHOSPHATE TRANSPORTER GENE ECGPT ASSOCIATED WITH THE SALT STRESS RESPONSE IN PERENNIAL EUCALYPT TREE HYBRID CLONES." JOURNAL OF FORESTRY RESEARCH 10, no. 2 (2013): 111–17. https://doi.org/10.20886/ijfr.2013.10.2.111-117.

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&nbsp; Salinity effects on plant can often be related to mineral ion content alteration, including phosphate. Under saline conditions, phosphate levels were reported to decrease in plants. Such effects could indirectly affect intracellular phosphate levels, leading to phosphate deficiency, which in turn leads to increased activities of phosphate uptake mechanisms. This research was aimed to investigate the effects of salinity on the expression changes of phosphate transporter genes isolated from <em>E. camaldulensis </em>x <em>E. globulus </em>hybrid clones subjected to salt concentrations of&
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SENESI, Silvia, Paola MARCOLONGO, Tamas KARDON, et al. "Immunodetection of the expression of microsomal proteins encoded by the glucose 6-phosphate transporter gene." Biochemical Journal 389, no. 1 (2005): 57–62. http://dx.doi.org/10.1042/bj20050213.

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Glucose 6-phosphate transport has been well characterized in liver microsomes. The transport is required for the functioning of the glucose-6-phosphatase enzyme that is situated in the lumen of the hepatic endoplasmic reticulum. The genetic deficiency of the glucose 6-phosphate transport activity causes a severe metabolic disease termed type 1b glycogen storage disease. The cDNA encoding a liver transporter for glucose 6-phosphate was cloned and was found to be mutated in patients suffering from glycogen storage disease 1b. While related mRNAs have been described in liver and other tissues, th
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LEUZZI, Rosanna, Rosella FULCERI, Paola MARCOLONGO, et al. "Glucose 6-phosphate transport in fibroblast microsomes from glycogen storage disease type 1b patients: evidence for multiple glucose 6-phosphate transport systems." Biochemical Journal 357, no. 2 (2001): 557–62. http://dx.doi.org/10.1042/bj3570557.

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In liver endoplasmic reticulum the intralumenal glucose-6-phosphatase activity requires the operation of a glucose 6-phosphate transporter (G6PT1). Mutations in the gene encoding G6PT1 cause glycogen storage disease type 1b, which is characterized by a loss of glucose-6-phosphatase activity and impaired glucose homoeostasis. We describe a novel glucose 6-phosphate (G6P) transport activity in microsomes from human fibroblasts and HeLa cells. This transport activity is unrelated to G6PT1 since: (i) it was similar in microsomes of skin fibroblasts from glycogen storage disease type 1b patients ho
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Wubuli, Aisanjiang, Henry Reyer, Eduard Muráni, et al. "Tissue-Wide Gene Expression Analysis of Sodium/Phosphate Co-Transporters in Pigs." International Journal of Molecular Sciences 20, no. 22 (2019): 5576. http://dx.doi.org/10.3390/ijms20225576.

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Sodium/phosphate co-transporters are considered to be important mediators of phosphorus (P) homeostasis. The expression of specific sodium/phosphate co-transporters is routinely used as an immediate response to dietary interventions in different species. However, a general understanding of their tissue-specificity is required to elucidate their particular contribution to P homeostasis. In this study, the tissue-wide gene expression status of all currently annotated sodium/phosphate co-transporters were investigated in two pig trials focusing on a standard commercial diet (trial 1) or divergent
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Johnson, Eric T., Rebecca Lyon, David Zaitlin, Abdul Burhan Khan, and Mohammad Aman Jairajpuri. "A comparison of transporter gene expression in three species of Peronospora plant pathogens during host infection." PLOS ONE 18, no. 6 (2023): e0285685. http://dx.doi.org/10.1371/journal.pone.0285685.

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Protein transporters move essential metabolites across membranes in all living organisms. Downy mildew causing plant pathogens are biotrophic oomycetes that transport essential nutrients from their hosts to grow. Little is known about the functions and gene expression levels of membrane transporters produced by downy mildew causing pathogens during infection of their hosts. Approximately 170–190 nonredundant transporter genes were identified in the genomes of Peronospora belbahrii, Peronospora effusa, and Peronospora tabacina, which are specialized pathogens of basil, spinach, and tobacco, res
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Okumura, S. "Phosphate Transporter Gene Family of Arabidopsis thaliana." DNA Research 5, no. 5 (1998): 261–69. http://dx.doi.org/10.1093/dnares/5.5.261.

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Pereira, Fernanda Campos Mastrotti, Reuben Tayengwa, Pedro Luis Da Costa Aguiar Alves, and Wendy Ann Peer. "Phosphate Status Affects Phosphate Transporter Expression and Glyphosate Uptake and Transport in Grand Eucalyptus (Eucalyptus grandis)." Weed Science 67, no. 1 (2018): 29–40. http://dx.doi.org/10.1017/wsc.2018.58.

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AbstractSoluble phosphate availability is a major limiting factor for plant growth, development, and yield. To assure a constant phosphorous supply, plants employ both high- and low-affinity phosphate acquisition mechanisms. Glyphosate is an herbicide widely used throughout the world, and previous studies have suggested that it can be transported across the plasma membrane via phosphate transporters in herbaceous species. The effects of phosphate status on glyphosate uptake were investigated in the tree grand eucalyptus (Eucalyptus grandisW. Hill ex. Maid.). Eucalyptus grandis’s putative phosp
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Dissertations / Theses on the topic "Phosphate transporter gene"

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Godwin, Rosamond Mary. "Cloning and characterisation of genes encoding phosphate and sulphate transporters from rice /." St. Lucia, Qld, 2002. http://www.library.uq.edu.au/pdfserve.php?image=thesisabs/absthe16400.pdf.

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Gebhard, Susanne, and n/a. "The Phn and Pst systems of Mycobacterium smegmatis : phosphate transport and gene regulation." University of Otago. Department of Microbiology & Immunology, 2006. http://adt.otago.ac.nz./public/adt-NZDU20070502.112113.

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Phosphate is an essential but often growth-limiting nutrient for bacteria. At low concentrations of phosphate in the growth medium, bacteria induce high-affinity uptake systems for phosphate, and this is usually the ABC-type phosphate specific transport system Pst. In the fully sequenced genomes of pathogenic species of mycobacteria, several copies of the genes encoding for the Pst system (pstSCAB) have been identified and some of these genes have been shown to be virulence factors. The reasons for the presence of multiple copies of pst genes in pathogenic mycobacteria are not understood, and
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BADONE, F. CERINO. "STUDY OF LOW PHYTIC ACID 1 LOCUS IN MAIZE." Doctoral thesis, Università degli Studi di Milano, 2012. http://hdl.handle.net/2434/168725.

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Phytic acid (myo-inositol-1,2,3,4,5,6-hexakisphosphate; InsP6) is ubiquitous in eukaryotic cells and constitutes the major storage form of phosphate in plant seeds (from 60% to 80%). During maturation it is accumulated in the protein storage vacuole in inclusions called globoids; the phosphate groups present in phytic acid (PA) are able to form phytate salts (phytin) binding important mineral cations. In mature maize kernels, 80% of PA is localized in the scutellum and the remaining 20% in the aleurone layer. The phosphorus stored as PA is remobilized during germination by phytase enzymes:
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Ahmed, Romel [Verfasser], Steffen [Akademischer Betreuer] Abel, Edgar [Akademischer Betreuer] Peiter, and Tamara [Akademischer Betreuer] Gigolashvili. "Molecular identification and characterization of the phosphate deficiency response related genes, PRT1 (ATP-Phosphoribosyl Transferase 1) and ALMT1 (Aluminium-activated Malate Transporter 1) / Romel Ahmed. Betreuer: Steffen Abel ; Edgar Peiter ; Tamara Gigolashvili." Halle, Saale : Universitäts- und Landesbibliothek Sachsen-Anhalt, 2015. http://d-nb.info/1090787162/34.

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Grace, Emily Jane. "Functional characterisation of phosphorus uptake pathways in a non-responsive arbuscular mycorrhizal host." Thesis, 2008. http://hdl.handle.net/2440/58644.

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AM plants acquire Pi via two pathways; the direct uptake pathway via plant roots and the AM pathway via external fungal hyphae and colonised cortical cells. It has been assumed that these two pathways are additive and therefore in non-responsive plants the AM pathway is often considered to be non-functional. However, data from ³²P uptake studies indicates that the AM pathway is functional in many non-responsive symbioses and in some instances supplies the majority of plant P. In recent years the high-affinity Pi transporters involved in both direct and AM Pi uptake pathways have been identif
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Grace, Emily Jane. "Functional characterisation of phosphorus uptake pathways in a non-responsive arbuscular mycorrhizal host." 2008. http://hdl.handle.net/2440/58644.

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AM plants acquire Pi via two pathways; the direct uptake pathway via plant roots and the AM pathway via external fungal hyphae and colonised cortical cells. It has been assumed that these two pathways are additive and therefore in non-responsive plants the AM pathway is often considered to be non-functional. However, data from ³²P uptake studies indicates that the AM pathway is functional in many non-responsive symbioses and in some instances supplies the majority of plant P. In recent years the high-affinity Pi transporters involved in both direct and AM Pi uptake pathways have been identifie
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Chen, Yi-Shuang, and 陳薏霜. "The sequence analysis and function evaluation of alkaline phosphatase and phosphate transporter genes in the diatom Skeletonema costatum." Thesis, 2013. http://ndltd.ncl.edu.tw/handle/59707106267405582987.

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碩士<br>國立臺灣海洋大學<br>海洋生物研究所<br>101<br>The diatom Skeletonema costatum (Strain Kao) was grown under phosphorus-deficient condition for several days. After the harvest of cells, total RNA was extracted and sequenced to construct a transcriptome. The reads from large scale sequencing were assembled by trinity software, and assembled sequences were compared to sequences in NCBI database. The results indicated two genes (ScNpt2bL, ScPHO) encoding phosphate transporters and two genes (ScAP1, ScAPL) encoding alkaline phosphatases. Next, the accuracy of gene sequences was confirmed by polymerase chain r
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Huang, Wei-Kai, and 黃威凱. "Diel expressions of nitrate and phosphate transporter genes in the diatom, Skeletonema subsalsum, in a coastal region near Matsu." Thesis, 2019. http://ndltd.ncl.edu.tw/handle/54ut83.

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碩士<br>國立臺灣海洋大學<br>海洋生物研究所<br>107<br>Diatom cells possess a distinctive nitrate transporter (encoded by Nrt2) and a sodium/phosphate cotransporter (encoded by Npt2bl), to enable the uptake of nitrate and phosphate from the environment. Since the metabolic pathways of nitrogen and phosphorus are both related to photosynthesis, the mRNA levels of Nrt2 and Npt2bl are assumed to have a diel variation in natural environments. In this study, research cruises were conducted in the coastal region rear Matsu Islands in June and July, 2017, respectively. During each cruise, a 24-h sampling program was es
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Books on the topic "Phosphate transporter gene"

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Sedel, Frédéric, and Carla E. M. Hollak. Disorders of Thiamine Metabolism. Oxford University Press, 2016. http://dx.doi.org/10.1093/med/9780199972135.003.0028.

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Thiamine is a water-soluble vitamin acting in the mitochondria as a cofactor for energy metabolism and, in the cytoplasm, in the pentose phosphate biosynthetic pathway. Its transport through the plasma membrane requires two transporters with overlapping functions: THTR1 encoded by SLC19A2, and THTR2 encoded by SLC19A3. Thiamine is transformed into its active form, thiamine pyrophosphate (TPP) by a kinase encoded by the TPK1 gene. Then it may enter the mitochondria through a TPP transporter encoded by SLC25A19. Mutations in SLC19A2 cause thiamine-responsive megaloblastic anemia (TRMA). Mutation
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Book chapters on the topic "Phosphate transporter gene"

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Nakanishi, Tomoko M. "Real-Time Element Movement in a Plant." In Novel Plant Imaging and Analysis. Springer Singapore, 2021. http://dx.doi.org/10.1007/978-981-33-4992-6_4.

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AbstractWe developed an imaging method utilizing the available RIs. We developed two types of real-time RI imaging systems (RRIS), one for macroscopic imaging and the other for microscopic imaging. The principle of visualization was the same, converting the radiation to light by a Cs(Tl)I scintillator deposited on a fiber optic plate (FOS). Many nuclides were employed, including 14C, 18F, 22Na, 28Mg, 32P 33P, 35S, 42K, 45Ca, 48V, 54Mn, 55Fe, 59Fe, 65Zn, 86Rb, 109Cd, and 137Cs.Since radiation can penetrate the soil as well as water, the difference between soil culture and water culture was visu
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Mitsukawa, Norihiro, Satoni Okumura, and Daisuke Shibata. "High-affinity phosphate transporter genes of Arabidopsis thaliana." In Plant Nutrition for Sustainable Food Production and Environment. Springer Netherlands, 1997. http://dx.doi.org/10.1007/978-94-009-0047-9_43.

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Smith, Frank W., Daisy H. Cybinski, and Anne L. Rae. "Regulation of Expression of Genes Encoding Phosphate Transporters in Barley Roots." In Plant Nutrition — Molecular Biology and Genetics. Springer Netherlands, 1999. http://dx.doi.org/10.1007/978-94-017-2685-6_19.

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Knoers, Nine V. A. M., and Elena N. Levtchenko. "Disorders of tubular electrolyte handling." In Oxford Textbook of Medicine, edited by John D. Firth. Oxford University Press, 2020. http://dx.doi.org/10.1093/med/9780198746690.003.0506.

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Glycosuria—glucose reabsorption in the proximal tubule is carried out by two different pairs of apical Na<sup>+</sup>-dependent (SGLT1 and -2) and basolateral Na<sup>+</sup>-independent (GLUT1 and -2) glucose transporters. Abnormalities in renal glucose transport can be seen in association with other defects of proximal tubular transport. Familial renal glycosuria is a rare autosomal recessive condition caused by mutations in the SGLT2-encoding gene, SLC5A2. Phosphate-handling disorders—the plasma concentration of inorganic phosphate depends on the balance between intestinal absorption, renal
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Root Allen W. "Genetic Disorders of Calcium, Phosphorus, and Bone Homeostasis." In Metabolic Diseases. IOS Press, 2017. https://doi.org/10.3233/978-1-61499-718-4-813.

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In &amp;ldquo;Genetic Disorders of Calcium, Phosphorus, and Bone Homeostasis&amp;rdquo; the mechanisms that regulate calcium and phosphorus metabolism and bone formation, resorption, strength, and resilience are discussed. The physiologic function and roles of vitamin D metabolites, parathyroid hormone, calcitonin, and other factors (e.g., phosphatonins, receptor activator of nuclear factor kappa B ligand, osteoprotegerin, et cetera) are presented. The functional effects of osteoblasts, osteocytes, and osteoclasts upon bone matrix and hydroxyapatite and their roles in bone development and main
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Neumann, Bjorn, Anton Wutz, Oskar W. Smrzka, Denise P. Barlow, and Robert Lyle. "Imprinting at the mouse and human IGF2R loci." In Genomic Imprinting. Oxford University PressOxford, 1997. http://dx.doi.org/10.1093/oso/9780199636266.003.0003.

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Abstract The mammalian insulin-like growth factor 2 receptor (IGF2R), also known as the cation-independent mannose-6-phosphate receptor (MPR300), is a multifunctional protein, primarily involved in lysosomal transport (1, 2). This transmembrane receptor, hereafter called IGF2R, binds insulin-like growth factor 2 (IGF2) and numerous ligands tagged with mannose-6-phosphate to target them to the lysosomes. Thus, lysosomal targeting mediated through the IGF2R functions as a pathway for the transport of lysosomal enzymes and, in the case of IGF2, as a clearance mechanism (3-5). IGF2R binds other se
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Peters, Luanne L., and Jane E. Barker. "Spontaneous and Targeted Mutations in Erythrocyte Membrane Skeleton Genes: Mouse Models of Hereditary Spherocytosis." In Hematopoiesis. Oxford University PressNew York, NY, 2001. http://dx.doi.org/10.1093/oso/9780195124507.003.0051.

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Abstract The red cell outer limiting membrane is critical to all aspects of red cell function. The membrane responds to extracellular signals during erythropoiesis, mediates iron uptake, facilitates carbon dioxide transport, regulates red cell cation and water content, and provides a negatively charged exterior that allows red cells to flow through the circulation without adhering to the endothelial layer of the vasculature. Evidence suggests that the red cell membrane also regulates energy metabolism by reversibly binding the glycolytic enzymes glyceraldehyde 3-phosphate dehydrogenase, aldola
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George, Timothy S., Lawrie K. Brown, and A. Glyn Bengough. "Advances in understanding plant root hairs in relation to nutrient acquisition and crop root function." In Understanding and improving crop root function. Burleigh Dodds Science Publishing, 2021. http://dx.doi.org/10.19103/as.2020.0075.06.

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Root hairs are found on most terrestrial flowering plant species. They form from epidermal cells at a predetermined distance behind the growing root tip in three main patterns. Their presence, pattern, length, density and function are genetically controlled and numerous genes are expressed solely in root hairs. Their growth and proliferation are attenuated by the environment and root hairs growing in soil are generally shorter and less dense than those in laboratory studies. Root hairs have a number of functions including anchorage, root soil contact and bracing to enable roots to penetrate ha
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Hertel, Rainer. "A critical view on proposed hormone action: the example of auxin." In Biochemical Mechanisms Involved in Plant Growth Regulation. Oxford University PressOxford, 1994. http://dx.doi.org/10.1093/oso/9780198577645.003.0001.

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Abstract Biological processes have molecular components and, on the other hand, a contextual meaning within larger processes: in this chapter we are interested in the mechanism of auxin action, in the molecular components and their sequential function, and less in the biological context, less in ontogenesis or phylogeny of the system. The biosynthesis and breakdown of indoleacetic acid (IAA) will not be dealt with. This plant growth substance fulfils the criteria of a hormone and shows analogies to animal hormones or transmitters, e.g. it is an amino acid metabolite like serotonin or thyroxine
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Roy, Plabani, and Moumita Ash. "INFLUENCE OF SILICON ON PLANT UPTAKE OF HEAVY METALS AND METALLOID FROM SOIL." In Futuristic Trends in Agriculture Engineering & Food Sciences Volume 2 Book 9. Iterative International Publishers, Selfypage Developers Pvt Ltd, 2023. http://dx.doi.org/10.58532/v2bs9ch10.

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The second-most common element in the crust of the earth is silicon, performs a variety of beneficial roles in soils and plants. It helps to reduce a variety of biotic (diseases and pest insects) and abiotic pressures (salt, drought and heavy metals).Si influences the heavy metal and metalloid uptake by plants through different mechanisms including (1) Si bioavailability in soil is influenced by biological factors, (2) by altering the soil's properties, (3) heavy metal co-precipitation, (4) heavy metals being changed into less solubility forms, (5) root architecturemodification, (6) controllin
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Conference papers on the topic "Phosphate transporter gene"

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Yurkov, A. P., A. A. Kryukov, A. O. Gorbunova, et al. "Effective arbuscular mycorrhiza development between Medicago lupulina and Rhizophagus irregularis under conditions of different phosphorus levels in the substrate." In 2nd International Scientific Conference "Plants and Microbes: the Future of Biotechnology". PLAMIC2020 Organizing committee, 2020. http://dx.doi.org/10.28983/plamic2020.284.

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The expressions of phosphate transport and carbohydrate metabolism genes in Medicago lupulina with and without Rhizophagus irregularis inoculation were evaluated. Differences in their transcript levels were found under conditions of different phosphorus levels in substrate.
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Stork, Larissa Rosa, Lucca Stephani Ribeiro, Izabella Savergnini Deprá, Luísa D’Ávila Camargo, and Maria Angélica Santos Novaes. "Tau protein and its role in Alzheimer’s disease physiopathology: a literature review." In XIII Congresso Paulista de Neurologia. Zeppelini Editorial e Comunicação, 2021. http://dx.doi.org/10.5327/1516-3180.132.

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Background: Alzheimer’s disease (AD) is a neurodegenerative disorder characterized by a double proteinopathy: deposition of amyloid-β into plaques and hyperphosphorylation of Tau protein. Objectives: To understand the genetic and molecular aspects of Tau protein and its relationship with Alzheimer’s disease. Methods: We conducted a systematic literature search using Pubmed/ MEDLINE and ClinicalKey databases, applying the descriptors: “Alzheimer Disease” AND “Tau proteins’’ AND Tauopathies, during July and August of 2020. The inclusion criteria were English and Portuguese articles published bet
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Reports on the topic "Phosphate transporter gene"

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Raghothama, Kashchandra G., Avner Silber, and Avraham Levy. Biotechnology approaches to enhance phosphorus acquisition of tomato plants. United States Department of Agriculture, 2006. http://dx.doi.org/10.32747/2006.7586546.bard.

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Abstract: Phosphorus is one of the least available macronutrient in the soil. The high affinity phosphate transporters are known to be associated with phosphate acquisition under natural conditions. Due to unique interactions of phosphate with soil particles, up to 80% of the applied phosphates may be fixed forcing the farmers to apply 4 to 5 times the fertilizers necessary for crop production. Efficient uptake and utilization of this essential nutrient is essential for sustainability and profitability of agriculture. Many predictions point to utilization/exhaustion of high quality phosphate r
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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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Philosoph-Hadas, Sonia, Peter Kaufman, Shimon Meir, and Abraham Halevy. Signal Transduction Pathway of Hormonal Action in Control and Regulation of the Gravitropic Response of Cut Flowering Stems during Storage and Transport. United States Department of Agriculture, 1999. http://dx.doi.org/10.32747/1999.7695838.bard.

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Original objectives: The basic goal of the present project was to increase our understanding of the cellular mechanisms operating during the gravitropic response of cut flowers, for solving their bending problem without affecting flower quality. Thus, several elements operating at the 3 levels o the gravity-induced signal transduction pathway, were proposed to be examined in snapdragon stems according to the following research goals: 1) Signaling: characterize the signal transduction pathway leading to the gravitropic response, regarding the involvement of [Ca2+]cyt as a mediator of IAA moveme
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