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Journal articles on the topic 'Phosphate transporter gene'

Author: Grafiati

Published: 3 June 2025

Last updated: 31 July 2025

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1

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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2

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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3

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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4

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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  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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5

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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6

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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7

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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8

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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9

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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10

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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11

Patton-Vogt, J. L., and S. A. Henry. "GIT1, a Gene Encoding a Novel Transporter for Glycerophosphoinositol in Saccharomyces cerevisiae." Genetics 149, no. 4 (1998): 1707–15. http://dx.doi.org/10.1093/genetics/149.4.1707.

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Abstract Phosphatidylinositol catabolism in Saccharomyces cerevisiae cells cultured in media containing inositol results in the release of glycerophosphoinositol (GroPIns) into the medium. As the extracellular concentration of inositol decreases with growth, the released GroPIns is transported back into the cell. Exploiting the ability of the inositol auxotroph, ino1, to use exogenous GroPIns as an inositol source, we have isolated mutants (Git−) defective in the uptake and metabolism of GroPIns. One mutant was found to be affected in the gene encoding the transcription factor, SPT7. Mutants o

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12

Hu, Yixin, Xiudong Liao, Qian Wen, Lin Lu, Liyang Zhang, and Xugang Luo. "Phosphorus absorption and gene expression levels of related transporters in the small intestine of broilers." British Journal of Nutrition 119, no. 12 (2018): 1346–54. http://dx.doi.org/10.1017/s0007114518000934.

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AbstractTo investigate the P absorption and gene expression levels of related co-transporters, type IIb sodium-dependent phosphate co-transporter (NaPi-IIb), inorganic phosphate transporter 1 (PiT-1) and inorganic phosphate transporter 2 (PiT-2) in the small intestine of broilers, 450 1-d-old Arbor Acres male broilers were randomly allocated to one of three treatments with ten replicate cages of fifteen birds per cage for each treatment in a completely randomised design. Chickens were fed a diet with no added inorganic P (containing 0·06 % non-phytate P (NPP)) or with either 0·21 or 0·44 % NPP

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13

Wang, Jiahui, Yang Yang, Lingzi Liao, Jiawei Xu, Xiao Liang, and Wen Liu. "Genome-Wide Identification and Functional Characterization of the Phosphate Transporter Gene Family in Sorghum." Biomolecules 9, no. 11 (2019): 670. http://dx.doi.org/10.3390/biom9110670.

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The phosphate transporter (PHT) family mediates the uptake and translocation of the essential macronutrient phosphorus (P) in plants. In this study, 27 PHT proteins in Sorghum were identified via bioinformatics tools. Phylogenetic analysis of their protein sequences in comparison with those family proteins from Arabidopsis and rice indicated that these proteins could be clustered into five typical subfamilies. There are 12 SbPHT1 members, one SbPHT2, six SbPHT3s, six SbPHT4s, and two SbPHOs in Sorghum. Further analysis of the gene structure, conserved motifs, subcellular localization, and tran

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14

Allenby, Nicholas E. E., Nicola O'Connor, Zoltán Prágai, et al. "Post-transcriptional regulation of the Bacillus subtilis pst operon encoding a phosphate-specific ABC transporter." Microbiology 150, no. 8 (2004): 2619–28. http://dx.doi.org/10.1099/mic.0.27126-0.

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During phosphate starvation, Bacillus subtilis regulates genes in the PhoP regulon to reduce the cell's requirement for this essential substrate and to facilitate the recovery of inorganic phosphate from organic sources such as teichoic and nucleic acids. Among the proteins that are highly induced under these conditions is PstS, the phosphate-binding lipoprotein component of a high-affinity ABC-type phosphate transporter. PstS is encoded by the first gene in the pst operon, the other four members of which encode the integral membrane and cytoplasmic components of the transporter. The transcrip

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15

Kiyamova, R. G., R. A. Vlasenkova, and L. F. Bulatova. "Sodium-dependent phosphate transporter NaPi2b as a candidate for targeted therapy: features of structure, function, and expression." Advances in Molecular Oncology 11, no. 2 (2024): 74–84. http://dx.doi.org/10.17650/2313-805x-2024-11-2-74-84.

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The sodium-dependent phosphate transporter NaPi2b is an integral membrane protein of the SLC34 phosphate transporter family and is an attractive target for precision therapy of several human diseases. Together with other members of this family, the NaPi2b transporter is involved in maintaining phosphate homeostasis in the mammalian body. The NaPi2b transporter gene (SLC34A2) has a broad expression pattern in healthy tissues, including small intestinal epithelial cells, where NaPi2b plays a major role in the absorption of dietary phosphate. NaPi2b transports one divalentorthophosphoric acid res

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16

Hornbuckle, Lauri A., Dale S. Edgerton, Julio E. Ayala, et al. "Selective tonic inhibition of G-6-Pase catalytic subunit, but not G-6-P transporter, gene expression by insulin in vivo." American Journal of Physiology-Endocrinology and Metabolism 281, no. 4 (2001): E713—E725. http://dx.doi.org/10.1152/ajpendo.2001.281.4.e713.

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The regulation of glucose-6-phosphatase (G-6-Pase) catalytic subunit and glucose 6-phosphate (G-6- P) transporter gene expression by insulin in conscious dogs in vivo and in tissue culture cells in situ were compared. In pancreatic-clamped, euglycemic conscious dogs, a 5-h period of hypoinsulinemia led to a marked increase in hepatic G-6-Pase catalytic subunit mRNA; however, G-6 -P transporter mRNA was unchanged. In contrast, a 5-h period of hyperinsulinemia resulted in a suppression of both G-6-Pase catalytic subunit and G-6 -P transporter gene expression. Similarly, insulin suppressed G-6-Pa

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17

Liu, Jinyuan, Wayne K. Versaw, Nathan Pumplin, S. Karen Gomez, Laura A. Blaylock, and Maria J. Harrison. "Closely Related Members of theMedicago truncatulaPHT1 Phosphate Transporter Gene Family Encode Phosphate Transporters with Distinct Biochemical Activities." Journal of Biological Chemistry 283, no. 36 (2008): 24673–81. http://dx.doi.org/10.1074/jbc.m802695200.

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18

Maldonado-Mendoza, Ignacio E., Gary R. Dewbre, and Maria J. Harrison. "A Phosphate Transporter Gene from the Extra-Radical Mycelium of an Arbuscular Mycorrhizal Fungus Glomus intraradices Is Regulated in Response to Phosphate in the Environment." Molecular Plant-Microbe Interactions® 14, no. 10 (2001): 1140–48. http://dx.doi.org/10.1094/mpmi.2001.14.10.1140.

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The majority of vascular flowering plants are able to form symbiotic associations with arbuscular mycorrhizal fungi. These symbioses, termed arbuscular mycorrhizas, are mutually beneficial, and the fungus delivers phosphate to the plant while receiving carbon. In these symbioses, phosphate uptake by the arbuscular mycorrhizal fungus is the first step in the process of phosphate transport to the plant. Previously, we cloned a phosphate transporter gene involved in this process. Here, we analyze the expression and regulation of a phosphate transporter gene (GiPT) in the extra-radical mycelium of

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19

Jia, Hongfang, Hongyan Ren, Mian Gu, et al. "The Phosphate Transporter Gene OsPht1;8 Is Involved in Phosphate Homeostasis in Rice." Plant Physiology 156, no. 3 (2011): 1164–75. http://dx.doi.org/10.1104/pp.111.175240.

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20

Ye, Ying, Jing Yuan, Xiaojian Chang, et al. "The Phosphate Transporter Gene OsPht1;4 Is Involved in Phosphate Homeostasis in Rice." PLOS ONE 10, no. 5 (2015): e0126186. http://dx.doi.org/10.1371/journal.pone.0126186.

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21

Collins, J. F., L. A. Scheving, and F. K. Ghishan. "Decreased transcription of the sodium-phosphate transporter gene in the hypophosphatemic mouse." American Journal of Physiology-Renal Physiology 269, no. 3 (1995): F439—F448. http://dx.doi.org/10.1152/ajprenal.1995.269.3.f439.

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Recently, it has been hypothesized that the proximal tubular Na(+)-Pi transporter may play a role in murine X-linked hypophosphatemic vitamin D-resistant rickets. In the present investigation, Western blot analysis of renal brush-border membrane proteins, utilizing polyclonal antisera raised against the mouse Na(+)-Pi transporter, revealed a predominant band at 87 kDa in normal and hypophosphatemic (Hyp) mice. The intensity of this band was reduced in the Hyp mouse by 4.5-fold (Hyp/normal = 0.22 +/- 0.04, n = 3, P < 0.05). Additionally, immunohistochemical analysis of kidney cortex in both

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22

Upadhyay, Santosh Kumar. "Phosphate Deficiency: A Tale from the End of PILNCR2." Non-Coding RNA 9, no. 4 (2023): 40. http://dx.doi.org/10.3390/ncrna9040040.

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A deficiency in inorganic phosphate (Pi) induces the expression of miRNA399 and the accumulation of its target Pi transporters (PHT1s) mRNA, which is contrary to the goal of miRNA-mediated gene regulation. Recently, a novel mechanism of RNA/RNA-duplex formation between the transcripts of a Pi deficiency-induced long non-coding RNA (PILNCR2) and PHT1s has been reported, which prevents the binding and cleavage of miRNA399 to PHT1 mRNAs, thereby providing tolerance of Pi-deficient conditions. Moreover, the way in which ribosomes move through the RNA/RNA-duplex for the translation of PHT1 transpor

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Ma, Jun, Martina Janoušková, Yansu Li, et al. "Impact of arbuscular mycorrhizal fungi (AMF) on cucumber growth and phosphorus uptake under cold stress." Functional Plant Biology 42, no. 12 (2015): 1158. http://dx.doi.org/10.1071/fp15106.

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Symbiosis with root-associated arbuscular mycorrhizal fungi (AMF) can improve plant phosphorus (P) uptake and alleviate environmental stresses. It could be also an effective mean to promote plant performance under low temperatures. The combined effects of arbuscular mycorrhiza and low temperature (15°C/10°C day/night) on cucumber seedlings were investigated in the present study. Root colonisation by AMF, succinate dehydrogenase and alkaline phosphatase activity in the intraradical fungal structures, plant growth parameters, and expression profiles of four cucumber phosphate (Pi) transporters,

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Novak, Rodger, Anje Cauwels, Emmanuelle Charpentier, and Elaine Tuomanen. "Identification of a Streptococcus pneumoniae Gene Locus Encoding Proteins of an ABC Phosphate Transporter and a Two-Component Regulatory System." Journal of Bacteriology 181, no. 4 (1999): 1126–33. http://dx.doi.org/10.1128/jb.181.4.1126-1133.1999.

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ABSTRACT The Escherichia coli Pst system belongs to the family of ABC transporters. It is part of a phosphate (PHO) regulon which is regulated by extracellular phosphate. Under conditions of phosphate limitation, the response regulator PhoB is phosphorylated by the histidine kinase PhoR and binds to promoters that share a consensus PHO box. Under conditions of phosphate excess, PhoR, Pst, and PhoU downregulate the PHO regulon. Screening of a library of pneumococcal mutants with defects in exported proteins revealed a putative two-component regulatory system, PnpR-PnpS, and a downstream ABC tra

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VALERIO-LANDA, Sergio, Ramon ZULUETA-RODRIGUEZ, Evangelina E. QUIÑONES-AGUILAR, et al. "Morpho-physiology and Pht1 gene expressions in native maize plants with AM fungi and phosphorus." Notulae Botanicae Horti Agrobotanici Cluj-Napoca 48, no. 3 (2020): 1357–68. http://dx.doi.org/10.15835/nbha48312033.

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Maize is a crop important worldwide, but its production is limited to phosphorus availability in soil. Plants form a symbiotic association to improve their nutrition with arbuscular mycorrhizal fungi (AMF), which increase to absorption phosphorus (P) and the expression of transporters of the family Pht1. Few studies have focused on native maize plants and AMF. Thus, the objective of this study was to determine the morpho-physiological response and expression of phosphate Pht1 transporters in two native maize plants inoculated with Claroideoglomus etunicatum and P concentrations. The height, le

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Hornbuckle, Lauri A., Carrie A. Everett, Cyrus C. Martin, et al. "Selective stimulation of G-6-Pase catalytic subunit but not G-6-Ptransporter gene expression by glucagon in vivo and cAMP in situ." American Journal of Physiology-Endocrinology and Metabolism 286, no. 5 (2004): E795—E808. http://dx.doi.org/10.1152/ajpendo.00455.2003.

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We recently compared the regulation of glucose-6-phosphatase (G-6-Pase) catalytic subunit and glucose 6-phosphate (G-6- P) transporter gene expression by insulin in conscious dogs in vivo (Hornbuckle LA, Edgerton DS, Ayala JE, Svitek CA, Neal DW, Cardin S, Cherrington AD, and O'Brien RM. Am J Physiol Endocrinol Metab 281: E713–E725, 2001). In pancreatic-clamped, euglycemic conscious dogs, a 5-h period of hypoinsulinemia led to a marked increase in hepatic G-6-Pase catalytic subunit mRNA; however, G-6- P transporter mRNA was unchanged. Here, we demonstrate, again using pancreatic-clamped, consc

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27

Raghothma, K. G., Umesh Muchhal, Chunming Liu, and U. Mukatira. "Molecular Responses of Plants to Phosphate Starvation." HortScience 31, no. 4 (1996): 585b—585. http://dx.doi.org/10.21273/hortsci.31.4.585b.

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Phosphate deficiency is wide spread in the nature. The deficiency results in several morphological and biochemical changes in plants. Some of these changes have been shown to involve altered gene expression. We have isolated two full--length cDNAs (AtPT1 and AtPT2), showing significant amino acid sequence similarity with the high-affinity phosphate transporters of yeast, Neurospora and the mycorrhizal fungi Glomus versiforme, from a phosphate-starved Arabidopsis root library. The transcripts of both genes are highly induced under Pi starvation and they are expressed in roots. Using Arabidopsis

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Lee, Kiho, Iliana Escobar, Yeeun Jang, Wooseong Kim, Frederick M. Ausubel, and Eleftherios Mylonakis. "In the Model Host Caenorhabditis elegans, Sphingosine-1-Phosphate-Mediated Signaling Increases Immunity toward Human Opportunistic Bacteria." International Journal of Molecular Sciences 21, no. 21 (2020): 7813. http://dx.doi.org/10.3390/ijms21217813.

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Sphingosine-1-phophate (S1P) is a sphingolipid-derived signaling molecule that controls diverse cellular functions including cell growth, homeostasis, and stress responses. In a variety of metazoans, cytosolic S1P is transported into the extracellular space where it activates S1P receptors in a concentration-dependent manner. In the free-living nematode Caenorhabditis elegans, the spin-2 gene, which encodes a S1P transporter, is activated during Gram-positive or Gram-negative bacterial infection of the intestine. However, the role during infection of spin-2 and three additional genes in the C.

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Guo, Kunyuan, Yiwei Yao, Meng Yang, Yanni Li, Bin Wu, and Xianming Lin. "Transcriptome sequencing and analysis reveals the molecular response to selenium stimuli in Pueraria lobata (willd.) Ohwi." PeerJ 8 (March 24, 2020): e8768. http://dx.doi.org/10.7717/peerj.8768.

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Pueraria lobata (willd.) Ohwi is a consumable selenium-enriched plant used for medicinal purposes. The molecular response to selenium (Se) stimuli in P. lobata is currently unknown. We used RNA-Seq to identify potential genes involved in selenite metabolism and analyzed their expression profiles. We obtained a total of 150,567 unigenes, of which 90,961 were annotated, including 16 structural genes, 14 sulfate transporters, and 13 phosphate transporters that may be involved in Se metabolism, and 33 candidate structural genes involved in isoflavone biosynthesis. The genes with a —foldchange— &gt

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Gebhard, Susanne, Sieu L. Tran, and Gregory M. Cook. "The Phn system of Mycobacterium smegmatis: a second high-affinity ABC-transporter for phosphate." Microbiology 152, no. 11 (2006): 3453–65. http://dx.doi.org/10.1099/mic.0.29201-0.

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Uptake of inorganic phosphate, an essential but often limiting nutrient, in bacteria is usually accomplished by the high-affinity ABC-transport system Pst. Pathogenic species of mycobacteria contain several copies of the genes encoding the Pst system (pstSCAB), and two of the encoded proteins, PstS1 and PstS2, have been shown to be virulence factors in Mycobacterium tuberculosis. The fast-growing Mycobacterium smegmatis contains only a single copy of the pst operon. This study reports the biochemical and molecular characterization of a second high-affinity phosphate transport system, designate

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Hagemann, Martin, Kathrin Ribbeck-Busch, Stephan Klähn, Dirk Hasse, Robert Steinbruch, and Gabriele Berg. "The Plant-Associated Bacterium Stenotrophomonas rhizophila Expresses a New Enzyme for the Synthesis of the Compatible Solute Glucosylglycerol." Journal of Bacteriology 190, no. 17 (2008): 5898–906. http://dx.doi.org/10.1128/jb.00643-08.

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ABSTRACT The rhizobacterium Stenotrophomonas rhizophila accumulates the compatible solutes glucosylglycerol (GG) and trehalose under salt stress conditions. The complete gene for the GG synthesis enzyme was cloned and sequenced. This enzyme from S. rhizophila represented a novel fusion protein composed of a putative C-terminal GG-phosphate synthase domain and an N-terminal putative GG-phosphate phosphatase domain, which was named GgpPS. A similar gene was cloned from Pseudomonas sp. strain OA146. The ggpPS gene was induced after a salt shock in S. rhizophila cells. After the salt-loaded cells

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Haferkamp, Ilka, Philippe Deschamps, Michelle Ast, et al. "Molecular and Biochemical Analysis of Periplastidial Starch Metabolism in the Cryptophyte Guillardia theta." Eukaryotic Cell 5, no. 6 (2006): 964–71. http://dx.doi.org/10.1128/ec.00381-05.

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ABSTRACT Starch in synchronously grown Guillardia theta cells accumulates throughout the light phase, followed by a linear degradation during the night. In contrast to the case for other unicellular algae such as Chlamydomonas reinhardtii, no starch turnover occurred in this organism under continuous light. The gene encoding granule-bound starch synthase (GBSS1), the enzyme responsible for amylose synthesis, displays a diurnal expression cycle. The pattern consisted of a maximal transcript abundance around the middle of the light phase and a very low level during the night. This diurnal regula

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Kore-eda, Shin, Chiyuki Noake, Masahisa Ohishi, Jun-ichi Ohnishi, and John C. Cushman. "Transcriptional profiles of organellar metabolite transporters during induction of crassulacean acid metabolism in Mesembryanthemum crystallinum." Functional Plant Biology 32, no. 5 (2005): 451. http://dx.doi.org/10.1071/fp04188.

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Metabolite transport across multiple organellar compartments is essential for the operation of crassulacean acid metabolism (CAM). To investigate potential circadian regulation of inter-organellar metabolite transport processes, we have identified eight full-length cDNAs encoding an organellar triose phosphate / Pi translocator (McTPT1), a phosphoenolpyruvate / Pi translocator (McPPT1), two glucose-6-phosphate / Pi translocators (McGPT1, 2), two plastidic Pi translocator-like proteins (McPTL1, 2), two adenylate transporters (McANT1, 2), a dicarboxylate transporter (McDCT2), and a partial cDNA

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Kriakov, Jordan, Sun hee Lee, and William R. Jacobs. "Identification of a Regulated Alkaline Phosphatase, a Cell Surface-Associated Lipoprotein, in Mycobacterium smegmatis." Journal of Bacteriology 185, no. 16 (2003): 4983–91. http://dx.doi.org/10.1128/jb.185.16.4983-4991.2003.

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ABSTRACT Although alkaline phosphatases are common in a wide variety of bacteria, there has been no prior evidence for alkaline phosphatases in Mycobacterium smegmatis. Here we report that transposon insertions in the pst operon, encoding homologues of an inorganic phosphate transporter, leads to constitutive expression of a protein with alkaline phosphatase activity. DNA sequence analysis revealed that M. smegmatis does indeed have a phoA gene that shows high homology to other phoA genes. The M. smegmatis phoA gene was shown to be induced by phosphate starvation and thus negatively regulated

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Ledova, L. А., L. P. Ryazanova, and T. V. Kulakovskaya. "Knockout mutations in the genes encoding phosphate transporters impair adaptation of <i>Saccharomyces cerevisiae</i> to ethanol consumption." Microbiology 93, no. 5 (2024): 601–6. https://doi.org/10.31857/s0026365624050085.

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Phosphate transporters in yeast cells are responsible for phosphorus homeostasis, and also indirectly involved in the regulation of various adaptive processes. One of these processes is the adaptation to ethanol consumption, which requires significant changes in phosphorus metabolism. We demonstrated that knockout mutations in the genes encoding phosphate transporters PHO87, PHO89, PHO90 and PHO91 impair adaptation of Saccharomyces cerevisiae to ethanol consumption at ethanol concentration of 4%. For these mutant strains an extension of the lag phase and in a decrease in the growth rate at the

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Lau, Wei Ling, Maria Festing, and Cecilia Giachelli. "Phosphate and vascular calcification: Emerging role of the sodium-dependent phosphate co-transporter PiT-1." Thrombosis and Haemostasis 104, no. 09 (2010): 464–70. http://dx.doi.org/10.1160/th09-12-0814.

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SummaryElevated serum phosphate is a risk factor for vascular calcification and cardiovascular events in kidney disease as well as in the general population. Elevated phosphate levels drive vascular calcification, in part, by regulating vascular smooth muscle cell (VSMC) gene expression, function, and fate. The type III sodium-dependent phosphate co-transporter, PiT-1, is necessary for phosphate-induced VSMC osteochondrogenic phenotype change and calcification, and has recently been shown to have unexpected functions in cell proliferation and embryonic development.

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Domes, Helena Sophia, Enzo Neu, Marcus Linde, and Thomas Debener. "P Starvation in Roses Leads to Strongly Genotype-Dependent Induction of P-Transporter Genes during Black Spot Leaf Disease." Journal of Fungi 8, no. 6 (2022): 549. http://dx.doi.org/10.3390/jof8060549.

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Phosphorous starvation in plants has been reported to have contrasting effects on the interaction with pathogens in different plant pathogen systems and plant species. Both increases and decreases in susceptibility have been observed in numerous reports. Here, we analysed black spot infection and the leaf expression of two plant phosphate transporters and one defence marker gene in roses after phosphorous starvation. We varied three factors: phosphate starvation versus full supply of phosphorous, black spot infection vs. mock inoculation, and different susceptible and resistant progeny of a bi

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Zhou, Yanyu, Jianjiang Fan, Qingtao Wu, et al. "Systematic Identification of Phosphate Transporter Family 1 (PHT1) Genes and Their Expression Profiling in Response to Low Phosphorus and Related Hormones in Fagopyrum tataricum (L.) Gaertn." Agronomy 15, no. 3 (2025): 576. https://doi.org/10.3390/agronomy15030576.

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Accumulating evidence suggests that the plasma membrane-localized phosphate transporter 1 (PHT1) family plays a fundamental role in the absorption, translocation, and re-mobilization of phosphorus in plants. Buckwheat (Fagopyrum spp.) exhibits high efficiency in phosphate uptake and wide adaptability to grow in under-fertilized soils. Despite their physiological importance, a systematic analysis of PHT1 genes in buckwheat has not been conducted yet. In this study, we performed a genome-wide identification and expression profile of the PHT1 gene family in Tartary buckwheat (Fagopyrum tataricum

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Sokolski, Serge, Yolande Dalpé, and Yves Piché. "Phosphate Transporter Genes as Reliable Gene Markers for the Identification and Discrimination of Arbuscular Mycorrhizal Fungi in the GenusGlomus." Applied and Environmental Microbiology 77, no. 5 (2010): 1888–91. http://dx.doi.org/10.1128/aem.00919-10.

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ABSTRACTAn inorganic phosphate transporter gene sequence (852-bp section) allowed discrimination between 10Glomusfungal species represented by 25 strains. It was particularly valuable in differentiating between morphologically similar species with nucleotide and amino acid sequence differences higher than 3%. This gene is proposed as a reliable barcode for theGlomeromycetes.

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López-Sánchez, Uriel, Sandrine Tury, Gaël Nicolas, et al. "Interplay between primary familial brain calcification-associated SLC20A2 and XPR1 phosphate transporters requires inositol polyphosphates for control of cellular phosphate homeostasis." Journal of Biological Chemistry 295, no. 28 (2020): 9366–78. http://dx.doi.org/10.1074/jbc.ra119.011376.

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Solute carrier family 20 member 2 (SLC20A2) and xenotropic and polytropic retrovirus receptor 1 (XPR1) are transporters with phosphate uptake and efflux functions, respectively. Both are associated with primary familial brain calcification (PFBC), a genetic disease characterized by cerebral calcium-phosphate deposition and associated with neuropsychiatric symptoms. The association of the two transporters with the same disease suggests that they jointly regulate phosphate fluxes and cellular homeostasis, but direct evidence is missing. Here, we found that cross-talk between SLC20A2 and XPR1 reg

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Funamoto, Rintaro, Katsuharu Saito, Hiroshi Oyaizu, Masanori Saito, and Toshihiro Aono. "Simultaneous in situ detection of alkaline phosphatase activity and polyphosphate in arbuscules within arbuscular mycorrhizal roots." Functional Plant Biology 34, no. 9 (2007): 803. http://dx.doi.org/10.1071/fp06326.

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Inorganic phosphate (Pi) metabolism in arbuscules of arbuscular mycorrhizal (AM) fungi is not well understood, although recent research has revealed that host plants absorb Pi around arbuscules with mycorrhiza-specific transporters. Therefore, we analysed the localisation of polyphosphate (polyP) and alkaline phosphatase (ALP) activity in arbuscules, which could be indicators of Pi metabolism. We developed a dual-labelling method for polyP and ALP activity, i.e. first labelling with fluorescent probes 4′,6-diamidino-2-phenyl-indole dihydrochloride (DAPI) and then labelling with enzyme-labelled

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Zhang, Jinglong, Yixin Shen, Wei Chen, Binqiang Bai, Xiaomin Ji, and Yingjun Chi. "Systematic Identification and Expression Analysis of the Sorghum Pht1 Gene Family Reveals Several New Members Encoding High-Affinity Phosphate Transporters." International Journal of Molecular Sciences 23, no. 22 (2022): 13855. http://dx.doi.org/10.3390/ijms232213855.

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Sorghum (Sorghum bicolor) is known to have a more robust capability of phosphorus uptake than many other cereal plants, which could be attributed to its phosphate transporter 1 (Pht1) that has a high phosphorus affinity. There are eleven SbPht1 genes in the sorghum genome, nine of which are expressed in sorghum roots or shoots in response to phosphorus deficiency (low-P). The molecular features of these nine genes were investigated by gene expression analysis, subcellular localization, and a yeast mutant complementation growth assay. They were found to be induced in response to low-P stress in

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Murugan, Naveenarani, Ravinder Kumar, Shashi Kant Pandey, et al. "In Silico Dissection of Regulatory Regions of PHT Genes from Saccharum spp. Hybrid and Sorghum bicolor and Expression Analysis of PHT Promoters under Osmotic Stress Conditions in Tobacco." Sustainability 15, no. 2 (2023): 1048. http://dx.doi.org/10.3390/su15021048.

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Phosphorus (P) is the second-most essential macronutrient required for the growth and development of plants. It is involved in a number of cellular processes that contribute to the plant’s growth and development. This study investigated Saccharum spp. hybrid and Sorghum bicolor promoter regions of Phosphate transporters (PHT), viz., PHT1, PHT2, PHT3, PHT4, and PHO1, through in silico analysis. The transcription start sites (TSS), conserved motifs, and CpG islands were studied using various computational techniques. The distribution of TSSs indicated the highest promoter prediction scores (1.0)

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Bun-Ya, M., M. Nishimura, S. Harashima, and Y. Oshima. "The PHO84 gene of Saccharomyces cerevisiae encodes an inorganic phosphate transporter." Molecular and Cellular Biology 11, no. 6 (1991): 3229–38. http://dx.doi.org/10.1128/mcb.11.6.3229-3238.1991.

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The PHO84 gene specifies Pi-transport in Saccharomyces cerevisiae. A DNA fragment bearing the PHO84 gene was cloned by its ability to complement constitutive synthesis of repressible acid phosphatase of pho84 mutant cells. Its nucleotide sequence predicted a protein of 596 amino acids with a sequence homologous to that of a superfamily of sugar transporters. Hydropathy analysis suggested that the secondary structure of the PHO84 protein consists of two blocks of six transmembrane domains separated by 74 amino acid residues. The cloned PH084 DNA restored the Pi transport activity of pho84 mutan

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Bun-Ya, M., M. Nishimura, S. Harashima, and Y. Oshima. "The PHO84 gene of Saccharomyces cerevisiae encodes an inorganic phosphate transporter." Molecular and Cellular Biology 11, no. 6 (1991): 3229–38. http://dx.doi.org/10.1128/mcb.11.6.3229.

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The PHO84 gene specifies Pi-transport in Saccharomyces cerevisiae. A DNA fragment bearing the PHO84 gene was cloned by its ability to complement constitutive synthesis of repressible acid phosphatase of pho84 mutant cells. Its nucleotide sequence predicted a protein of 596 amino acids with a sequence homologous to that of a superfamily of sugar transporters. Hydropathy analysis suggested that the secondary structure of the PHO84 protein consists of two blocks of six transmembrane domains separated by 74 amino acid residues. The cloned PH084 DNA restored the Pi transport activity of pho84 mutan

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Balestrini, Raffaella, Jorge Gómez-Ariza, Luisa Lanfranco, and Paola Bonfante. "Laser Microdissection Reveals That Transcripts for Five Plant and One Fungal Phosphate Transporter Genes Are Contemporaneously Present in Arbusculated Cells." Molecular Plant-Microbe Interactions® 20, no. 9 (2007): 1055–62. http://dx.doi.org/10.1094/mpmi-20-9-1055.

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The establishment of a symbiotic interaction between plant roots and arbuscular mycorrhizal (AM) fungi requires both partners to undergo significant morphological and physiological modifications which eventually lead to reciprocal beneficial effects. Extensive changes in gene expression profiles recently have been described in transcriptomic studies that have analyzed the whole mycorrhizal root. However, because root colonization by AM fungi involves different cell types, a cell-specific gene expression pattern is likely to occur. We have applied the laser microdissection (LMD) technology to i

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Asady, Beejan, Claudia F. Dick, Karen Ehrenman, Tejram Sahu, Julia D. Romano, and Isabelle Coppens. "A single Na+-Pi cotransporter in Toxoplasma plays key roles in phosphate import and control of parasite osmoregulation." PLOS Pathogens 16, no. 12 (2020): e1009067. http://dx.doi.org/10.1371/journal.ppat.1009067.

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Inorganic ions such as phosphate, are essential nutrients required for a broad spectrum of cellular functions and regulation. During infection, pathogens must obtain inorganic phosphate (Pi) from the host. Despite the essentiality of phosphate for all forms of life, how the intracellular parasite Toxoplasma gondii acquires Pi from the host cell is still unknown. In this study, we demonstrated that Toxoplasma actively internalizes exogenous Pi by exploiting a gradient of Na+ ions to drive Pi uptake across the plasma membrane. The Na+-dependent phosphate transport mechanism is electrogenic and f

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Castañeda-García, Alfredo, Alexandro Rodríguez-Rojas, Javier R. Guelfo, and Jesús Blázquez. "The Glycerol-3-Phosphate Permease GlpT Is the Only Fosfomycin Transporter in Pseudomonas aeruginosa." Journal of Bacteriology 191, no. 22 (2009): 6968–74. http://dx.doi.org/10.1128/jb.00748-09.

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ABSTRACT Fosfomycin is transported into Escherichia coli via both glycerol-3-phosphate (GlpT) and a hexose phosphate transporter (UhpT). Consequently, the inactivation of either glpT or uhpT confers increased fosfomycin resistance in this species. The inactivation of other genes, including ptsI and cyaA, also confers significant fosfomycin resistance. It has been assumed that identical mechanisms are responsible for fosfomycin transport into Pseudomonas aeruginosa cells. The study of an ordered library of insertion mutants in P. aeruginosa PA14 demonstrated that only insertions in glpT confer

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Ræder, Helge, Nick Shaw, Coen Netelenbos, and Robert Bjerknes. "A case of X-linked hypophosphatemic rickets: complications and the therapeutic use of cinacalcet." European Journal of Endocrinology 159, suppl_1 (2008): S101—S105. http://dx.doi.org/10.1530/eje-08-0383.

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In hypophosphatemic rickets, there are both inherited and acquired forms, where X-linked dominant hypophosphatemic rickets (XLH) is the most prevalent genetic form and caused by mutations in the phosphate-regulating endopeptidase (PHEX) gene. XLH is associated with growth retardation and bone deformities. The renal tubular cells have an important role in calcium and phosphate metabolism, where the 1α-hydroxylase enzyme metabolizes the conversion of 25 (OH)-vitamin D to potent 1,25 (OH)2-vitamin D, whereas the sodium–phosphate transporter controls tubular phosphate reabsorption. The pathophysio

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Ghillebert, Ruben, Erwin Swinnen, Pepijn De Snijder, Bart Smets, and Joris Winderickx. "Differential roles for the low-affinity phosphate transporters Pho87 and Pho90 in Saccharomyces cerevisiae." Biochemical Journal 434, no. 2 (2011): 243–51. http://dx.doi.org/10.1042/bj20101118.

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When starved of Pi, yeast cells activate the PHO signalling pathway, wherein the Pho4 transcription factor mediates expression of genes involved in Pi acquisition, such as PHO84, encoding the high-affinity H+/Pi symporter. In contrast, transcription of PHO87 and PHO90, encoding the low-affinity H+/Pi transport system, is independent of phosphate status. In the present work, we reveal that, upon Pi starvation, these low-affinity Pi transporters are endocytosed and targeted to the vacuole. For Pho87, this process strictly depends on SPL2, another Pho4-dependent gene that encodes a protein known

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