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Journal articles on the topic 'Sfp1'

Author: Grafiati

Published: 9 March 2023

Last updated: 31 July 2025

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1

Bielaszewska, Martina, Rita Prager, Liz Vandivinit, et al. "Detection and Characterization of the Fimbrial sfp Cluster in Enterohemorrhagic Escherichia coli O165:H25/NM Isolates from Humans and Cattle." Applied and Environmental Microbiology 75, no. 1 (2008): 64–71. http://dx.doi.org/10.1128/aem.01815-08.

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ABSTRACT The sfp cluster, encoding Sfp fimbriae and located in the large plasmid of sorbitol-fermenting (SF) enterohemorrhagic Escherichia coli (EHEC) O157 (pSFO157), has been considered a unique characteristic of this organism. We discovered and then characterized the sfp cluster in EHEC O165:H25/NM (nonmotile) isolates of human and bovine origin. All seven strains investigated harbored a complete sfp cluster (carrying sfpA, sfpH, sfpC, sfpD, sfpJ, sfpF, and sfpG) of 6,838 bp with >99% nucleotide sequence homology to the sfp cluster of SF EHEC O157:NM. The sfp cluster in EHEC O165:H25/NM s

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2

Xu, Zhiheng, and David Norris. "The SFP1 Gene Product of Saccharomyces cerevisiae Regulates G2/M Transitions During the Mitotic Cell Cycle and DNA-Damage Response." Genetics 150, no. 4 (1998): 1419–28. http://dx.doi.org/10.1093/genetics/150.4.1419.

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Abstract In eukaryotic cells, checkpoint pathways arrest cell-cycle progression if a particular event has failed to complete appropriately or if an important intracellular structure is defective or damaged. Saccharomyces cerevisiae strains that lack the SFP1 gene fail to arrest at the G2 DNA-damage checkpoint in response to genomic injury, but maintain their ability to arrest at the replication and spindle-assembly checkpoints. sfp1Δ mutants are characterized by a premature entrance into mitosis during a normal (undamaged) cell cycle, while strains that overexpress Sfp1p exhibit delays in G2.

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3

Brunder, Werner, A. Salam Khan, Jörg Hacker, and Helge Karch. "Novel Type of Fimbriae Encoded by the Large Plasmid of Sorbitol-Fermenting Enterohemorrhagic Escherichia coli O157:H−." Infection and Immunity 69, no. 7 (2001): 4447–57. http://dx.doi.org/10.1128/iai.69.7.4447-4457.2001.

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ABSTRACT Sorbitol-fermenting (SF) enterohemorrhagic Escherichia coli (EHEC) O157:H− have emerged as important causes of diarrheal diseases and the hemolytic-uremic syndrome in Germany. In this study, we characterized a 32-kb fragment of the plasmid of SF EHEC O157:H−, pSFO157, which differs markedly from plasmid pO157 of classical non-sorbitol-fermenting EHEC O157:H7. We found a cluster of six genes, termed sfpA,sfpH, sfpC, sfpD,sfpJ, and sfpG, which mediate mannose-resistant hemagglutination and the expression of fimbriae.sfp genes are similar to the pap genes, encoding P-fimbriae of uropatho

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4

Meng, Kun, Jiang Li, Yanan Cao, et al. "Gene cloning and heterologous expression of a serine protease fromStreptomyces fradiaevar.k11." Canadian Journal of Microbiology 53, no. 2 (2007): 186–95. http://dx.doi.org/10.1139/w06-122.

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The gene sfp1, which encodes a predicted serine proteinase designated SFP1, was isolated by the screening of a gene library of the feather-degrading strain Streptomyces fradiae var.k11. The open reading frame of sfp1 encodes a protein of 454 amino acids with a calculated molecular mass of 46.19 kDa. Sequence analysis reveals that SFP1 possesses a typical pre-pro-mature organization that consists of a signal sequence, an N-terminal propeptide region, and a mature proteinase domain. The pre-enzyme of SFP1 was expressed in Escherichia coli and consequently purified. The 25.6 kDa fraction with pro

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5

Fingerman, Ian, Vijayalakshmi Nagaraj, David Norris, and Andrew K. Vershon. "Sfp1 Plays a Key Role in Yeast Ribosome Biogenesis." Eukaryotic Cell 2, no. 5 (2003): 1061–68. http://dx.doi.org/10.1128/ec.2.5.1061-1068.2003.

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ABSTRACT Sfp1, an unusual zinc finger protein, was previously identified as a gene that, when overexpressed, imparted a nuclear localization defect. sfp1 cells have a reduced size and a slow growth phenotype. In this study we show that SFP1 plays a role in ribosome biogenesis. An sfp1 strain is hypersensitive to drugs that inhibit translational machinery. sfp1 strains also have defects in global translation as well as defects in rRNA processing and 60S ribosomal subunit export. Microarray analysis has previously shown that ectopically expressed SFP1 induces the transcription of a large subset

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6

Matveenko, Andrew G., Anastasiia S. Mikhailichenko, Polina B. Drozdova, and Galina A. Zhouravleva. "Transcription Factors Mcm1 and Sfp1 May Affect [PSI+] Prion Phenotype by Altering the Expression of the SUP35 Gene." Microbiology Research 15, no. 2 (2024): 508–24. http://dx.doi.org/10.3390/microbiolres15020034.

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Mcm1 is an essential Q/N-rich transcription factor. Q/N-rich proteins interact with each other, and many affect the [PSI+] prion formed by the translation termination factor Sup35 (eRF3). We found that transient MCM1 overexpression increased nonsense suppression in [PSI+] strains and SUP35 transcription. As we had discovered similar effects of another Q/N-rich transcription factor, Sfp1, here we focus on the roles of Mcm1 and Sfp1 in SUP35 expression, as well as on the effects of Sfp1 on the expression of the gene encoding another release factor, Sup45 (eRF1). Mutations in the SUP35 promoter s

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7

Lopez, Antonio Diaz, Krisztina Tar, Undine Krügel, Thomas Dange, Ignacio Guerrero Ros, and Marion Schmidt*. "Proteasomal degradation of Sfp1 contributes to the repression of ribosome biogenesis during starvation and is mediated by the proteasome activator Blm10." Molecular Biology of the Cell 22, no. 5 (2011): 528–40. http://dx.doi.org/10.1091/mbc.e10-04-0352.

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The regulation of ribosomal protein (RP) gene transcription is tightly linked to the nutrient status of the cell and is under the control of metabolic signaling pathways. In Saccharomyces cerevisiae several transcriptional activators mediate efficient RP gene transcription during logarithmic growth and dissociate from RP gene promoters upon nutrient limitation. Repression of RP gene transcription appears to be regulated predominantly by posttranslational modification and cellular localization of transcriptional activators. We report here that one of these factors, Sfp1, is degraded by the prot

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8

Chang, Che-Kang, Min-Chi Yang, Hsueh-Fen Chen, Yi-Ling Liao, and Chung-Yu Lan. "The Role of Sfp1 in Candida albicans Cell Wall Maintenance." Journal of Fungi 8, no. 11 (2022): 1196. http://dx.doi.org/10.3390/jof8111196.

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The cell wall is the first interface for Candida albicans interaction with the surrounding environment and the host cells. Therefore, maintenance of cell wall integrity (CWI) is crucial for C. albicans survival and host-pathogen interaction. In response to environmental stresses, C. albicans undergoes cell wall remodeling controlled by multiple signaling pathways and transcription regulators. Here, we explored the role of the transcription factor Sfp1 in CWI. A deletion of the SFP1 gene not only caused changes in cell wall properties, cell wall composition and structure but also modulated expr

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9

Lee, Shao-Yu, Hsueh-Fen Chen, Ying-Chieh Yeh, Yao-Peng Xue, and Chung-Yu Lan. "The Transcription Factor Sfp1 Regulates the Oxidative Stress Response in Candida albicans." Microorganisms 7, no. 5 (2019): 131. http://dx.doi.org/10.3390/microorganisms7050131.

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Candida albicans is a commensal that inhabits the skin and mucous membranes of humans. Because of the increasing immunocompromised population and the limited classes of antifungal drugs available, C. albicans has emerged as an important opportunistic pathogen with high mortality rates. During infection and therapy, C. albicans frequently encounters immune cells and antifungal drugs, many of which exert their antimicrobial activity by inducing the production of reactive oxygen species (ROS). Therefore, antioxidative capacity is important for the survival and pathogenesis of C. albicans. In this

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Hosiner, Dagmar, Harri Lempiäinen, Wolfgang Reiter, et al. "Arsenic Toxicity to Saccharomyces cerevisiae Is a Consequence of Inhibition of the TORC1 Kinase Combined with a Chronic Stress Response." Molecular Biology of the Cell 20, no. 3 (2009): 1048–57. http://dx.doi.org/10.1091/mbc.e08-04-0438.

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The conserved Target Of Rapamycin (TOR) growth control signaling pathway is a major regulator of genes required for protein synthesis. The ubiquitous toxic metalloid arsenic, as well as mercury and nickel, are shown here to efficiently inhibit the rapamycin-sensitive TORC1 (TOR complex 1) protein kinase. This rapid inhibition of the TORC1 kinase is demonstrated in vivo by the dephosphorylation and inactivation of its downstream effector, the yeast S6 kinase homolog Sch9. Arsenic, mercury, and nickel cause reduction of transcription of ribosome biogenesis genes, which are under the control of S

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11

Hsu, Chun-Min, Yi-Ling Liao, Che-Kang Chang, and Chung-Yu Lan. "Candida albicans Sfp1 Is Involved in the Cell Wall and Endoplasmic Reticulum Stress Responses Induced by Human Antimicrobial Peptide LL-37." International Journal of Molecular Sciences 22, no. 19 (2021): 10633. http://dx.doi.org/10.3390/ijms221910633.

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Candida albicans is a commensal fungus of humans but can cause infections, particularly in immunocompromised individuals, ranging from superficial to life-threatening systemic infections. The cell wall is the outermost layer of C. albicans that interacts with the host environment. Moreover, antimicrobial peptides (AMPs) are important components in innate immunity and play crucial roles in host defense. Our previous studies showed that the human AMP LL-37 binds to the cell wall of C. albicans, alters the cell wall integrity (CWI) and affects cell adhesion of this pathogen. In this study, we aim

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12

Zencir, Sevil, Daniel Dilg, Maria Paula Rueda, David Shore, and Benjamin Albert. "Mechanisms coordinating ribosomal protein gene transcription in response to stress." Nucleic Acids Research 48, no. 20 (2020): 11408–20. http://dx.doi.org/10.1093/nar/gkaa852.

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Abstract While expression of ribosomal protein genes (RPGs) in the budding yeast has been extensively studied, a longstanding enigma persists regarding their co-regulation under fluctuating growth conditions. Most RPG promoters display one of two distinct arrangements of a core set of transcription factors (TFs) and are further differentiated by the presence or absence of the HMGB protein Hmo1. However, a third group of promoters appears not to be bound by any of these proteins, raising the question of how the whole suite of genes is co-regulated. We demonstrate here that all RPGs are regulate

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13

Lengerer, Birgit, Morgane Algrain, Mathilde Lefevre, Jérôme Delroisse, Elise Hennebert, and Patrick Flammang. "Interspecies comparison of sea star adhesive proteins." Philosophical Transactions of the Royal Society B: Biological Sciences 374, no. 1784 (2019): 20190195. http://dx.doi.org/10.1098/rstb.2019.0195.

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Sea stars use adhesive secretions to attach their numerous tube feet strongly and temporarily to diverse surfaces. After detachment of the tube feet, the adhesive material stays bound to the substrate as so-called ‘footprints’. In the common sea star species Asterias rubens , the adhesive material has been studied extensively and the first sea star footprint protein (Sfp1) has been characterized. We identified Sfp1-like sequences in 17 additional sea star species, representing different taxa and tube foot morphologies, and analysed the evolutionary conservation of this protein. In A. rubens ,

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Boonyawanich, Siriorn, Peerada Prommeenate, Sukunya Oaew, Wantanasak Suksong, Nipon Pisutpaisal, and Saowaluck Haosagul. "Detection of Sulfur Oxidizing Bacteria to Oxidize Hydrogen Sulfide in Biogas from Pig Farm by NGS and DNA Microarray Technique." Nature Environment and Pollution Technology 23, no. 2 (2024): 667–77. http://dx.doi.org/10.46488/nept.2024.v23i02.006.

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A high concentration of hydrogen sulfide (H2S) released from pig farming is one of the major environmental problems affecting surrounding communities. In modern pig farms, the bioscrubber is used to eliminate H2S, which is found to be driven mainly by the sulfur-oxidizing bacteria (SOB) community. Therefore, in this study, molecular biology techniques such as next-generation sequencing (NGS) and DNA microarray are proposed to study the linkage between enzyme activity and the abundance of the SOB community. The starting sludge (SFP1) and recirculating sludge (SFP2) samples were collected from t

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15

Hudaibiya, Syeda, and Dr Shoaib Raza. "Corporate Social Responsibility and Green Innovation Transform Corporate Green Strategy into Sustainable Firm Performance." iRAPA International Journal of Business Studies 1, no. 1 (2024): 34–43. http://dx.doi.org/10.48112/iijbs.v1i1.778.

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This research examines the relationship between green technologies, CSR, GI, and sustainable financial performance (SFP) in small and medium-sized enterprises. Results showed that SFP1 was positively correlated with GS1, CSR1, and GI1, and the regression model was statistically significant. Higher levels of CSR and GI are associated with better SFP, suggesting the importance of integrating environmental and social considerations into business strategies. Future research should focus on longitudinal studies, comparative analysis, sector-specific studies, and mediating and moderating effects to

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16

Coleman, Chasity B., Patricia L. Allen, Mark Rupert, et al. "Novel Sfp1 Transcriptional Regulation ofSaccharomyces cerevisiaeGene Expression Changes During Spaceflight." Astrobiology 8, no. 6 (2008): 1071–78. http://dx.doi.org/10.1089/ast.2007.0211.

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17

Shore, David, Sevil Zencir, and Benjamin Albert. "Transcriptional control of ribosome biogenesis in yeast: links to growth and stress signals." Biochemical Society Transactions 49, no. 4 (2021): 1589–99. http://dx.doi.org/10.1042/bst20201136.

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Ribosome biogenesis requires prodigious transcriptional output in rapidly growing yeast cells and is highly regulated in response to both growth and stress signals. This minireview focuses on recent developments in our understanding of this regulatory process, with an emphasis on the 138 ribosomal protein genes (RPGs) themselves and a group of &gt;200 ribosome biogenesis (RiBi) genes whose products contribute to assembly but are not part of the ribosome. Expression of most RPGs depends upon Rap1, a pioneer transcription factor (TF) required for the binding of a pair of RPG-specific TFs cal

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18

Chen, Hsueh-Fen, and Chung-Yu Lan. "Role of SFP1 in the Regulation of Candida albicans Biofilm Formation." PLOS ONE 10, no. 6 (2015): e0129903. http://dx.doi.org/10.1371/journal.pone.0129903.

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19

Cipollina, Chiara, Joost van den Brink, Pascale Daran-Lapujade, Jack T. Pronk, Danilo Porro, and Johannes H. de Winde. "Saccharomyces cerevisiae SFP1: at the crossroads of central metabolism and ribosome biogenesis." Microbiology 154, no. 6 (2008): 1686–99. http://dx.doi.org/10.1099/mic.0.2008/017392-0.

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20

Lempiäinen, Harri, Aino Uotila, Jörg Urban, et al. "Sfp1 Interaction with TORC1 and Mrs6 Reveals Feedback Regulation on TOR Signaling." Molecular Cell 33, no. 6 (2009): 704–16. http://dx.doi.org/10.1016/j.molcel.2009.01.034.

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21

Cipollina, Chiara, Lilia Alberghina, Danilo Porro, and Marina Vai. "SFP1 is involved in cell size modulation in respiro-fermentative growth conditions." Yeast 22, no. 5 (2005): 385–99. http://dx.doi.org/10.1002/yea.1218.

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22

Marion, R. M., A. Regev, E. Segal, et al. "Sfp1 is a stress- and nutrient-sensitive regulator of ribosomal protein gene expression." Proceedings of the National Academy of Sciences 101, no. 40 (2004): 14315–22. http://dx.doi.org/10.1073/pnas.0405353101.

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23

Albert, Benjamin, Susanna Tomassetti, Yvonne Gloor, et al. "Sfp1 regulates transcriptional networks driving cell growth and division through multiple promoter-binding modes." Genes & Development 33, no. 5-6 (2019): 288–93. http://dx.doi.org/10.1101/gad.322040.118.

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Drozdova, P. B., E. A. Radchenko, T. M. Rogoza, M. A. Khokhrina, and L. N. Mironova. "The SFP1 controls translation termination in Saccharomyces cerevisiae via regulation of Sup35p (eRF3) level." Molecular Biology 47, no. 2 (2013): 242–47. http://dx.doi.org/10.1134/s0026893313010044.

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25

Mathew, Veena, Annie S. Tam, Karissa L. Milbury, et al. "Selective aggregation of the splicing factor Hsh155 suppresses splicing upon genotoxic stress." Journal of Cell Biology 216, no. 12 (2017): 4027–40. http://dx.doi.org/10.1083/jcb.201612018.

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Upon genotoxic stress, dynamic relocalization events control DNA repair as well as alterations of the transcriptome and proteome, enabling stress recovery. How these events may influence one another is only partly known. Beginning with a cytological screen of genome stability proteins, we find that the splicing factor Hsh155 disassembles from its partners and localizes to both intranuclear and cytoplasmic protein quality control (PQC) aggregates under alkylation stress. Aggregate sequestration of Hsh155 occurs at nuclear and then cytoplasmic sites in a manner that is regulated by molecular cha

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26

Li, Zhongming, and Kwang Sik Kim. "RELATe enables genome-scale engineering in fungal genomics." Science Advances 6, no. 38 (2020): eabb8783. http://dx.doi.org/10.1126/sciadv.abb8783.

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CRISPR-Cas9–based screening with single-guide RNA (sgRNA) libraries has emerged as a revolutionary tool for comprehensive analysis of genetic elements. However, genome-scale sgRNA libraries are currently available only in a few model organisms. The traditional approach is to synthesize thousands to tens of thousands of sgRNAs, which is laborious and expensive. We have developed a simple method, RELATe (restriction/ligation coupled with Agrobacterium-mediated transformation), to generate sgRNA libraries from 10 μg of genomic DNA, targeting over 98% of the protein-coding genes in the human funga

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27

Khan, Shagufta A., Amol R. Suryawanshi, Sandeep A. Ranpura, Sudhir V. Jadhav, and Vrinda V. Khole. "Identification of novel immunodominant epididymal sperm proteins using combinatorial approach." REPRODUCTION 138, no. 1 (2009): 81–93. http://dx.doi.org/10.1530/rep-09-0052.

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Functionally immature spermatozoa leave the testis mature during epididymal transit. This process of maturation involves either addition of new proteins or modification of existing proteins onto the sperm domains that are responsible for domain-specific functions. Epididymal proteins are preferred targets for immunocontraception. In an attempt to identify epididymis-specific sperm proteins, we used a novel combinatorial approach comprising subtractive immunization (SI) followed by proteomics. Following SI, sera of mice were used for immunoproteomics, which led to the identification of 30 prote

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28

Schepetkin, Igor A., Marina G. Danilets, Anastasia A. Ligacheva, et al. "Immunomodulatory Activity of Polysaccharides Isolated from Saussurea salicifolia L. and Saussurea frolovii Ledeb." Molecules 28, no. 18 (2023): 6655. http://dx.doi.org/10.3390/molecules28186655.

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The genus Saussurea has been used in the preparation of therapies for a number of medical problems, yet not much is known about the therapeutic high-molecular-weight compounds present in extracts from these plants. Since polysaccharides are important in immune modulation, we investigated the chemical composition and immunomodulatory activity of Saussurea salicifolia L. and Saussurea frolovii Ledeb polysaccharides. Water-soluble polysaccharides from the aerial parts of these plants were extracted using water at pHs of 2 and 6 and subsequently precipitated in ethanol to obtain fractions SSP2 and

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29

Saif, Saima, and Mohammad Saghir Khan. "Biosorbing Potentials of Pseudomonas aeruginosa SFP1 to Combat Cr(VI) Stress in Cicer Arietinum Seedlings." Journal of Energy and Environmental Sustainability 7 (January 31, 2019): 5–9. http://dx.doi.org/10.47469/jees.2019.v07.100069.

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30

Kastora, Stavroula L., Carmen Herrero‐de‐Dios, Gabriela M. Avelar, Carol A. Munro, and Alistair J. P. Brown. "Sfp1 and Rtg3 reciprocally modulate carbon source‐conditional stress adaptation in the pathogenic yeastCandida albicans." Molecular Microbiology 105, no. 4 (2017): 620–36. http://dx.doi.org/10.1111/mmi.13722.

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31

Matveenko, Andrew G., Polina B. Drozdova, Mikhail V. Belousov, et al. "SFP1-mediated prion-dependent lethality is caused by increased Sup35 aggregation and alleviated by Sis1." Genes to Cells 21, no. 12 (2016): 1290–308. http://dx.doi.org/10.1111/gtc.12444.

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32

Teixeira, Vitor, Telma S. Martins, William A. Prinz, and Vítor Costa. "Target of Rapamycin Complex 1 (TORC1), Protein Kinase A (PKA) and Cytosolic pH Regulate a Transcriptional Circuit for Lipid Droplet Formation." International Journal of Molecular Sciences 22, no. 16 (2021): 9017. http://dx.doi.org/10.3390/ijms22169017.

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Lipid droplets (LDs) are ubiquitous organelles that fulfill essential roles in response to metabolic cues. The identification of several neutral lipid synthesizing and regulatory protein complexes have propelled significant advance on the mechanisms of LD biogenesis in the endoplasmic reticulum (ER). However, our understanding of signaling networks, especially transcriptional mechanisms, regulating membrane biogenesis is very limited. Here, we show that the nutrient-sensing Target of Rapamycin Complex 1 (TORC1) regulates LD formation at a transcriptional level, by targeting DGA1 expression, in

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33

Radchenko, Elina, Tatyana Rogoza, Maria Khokhrina, Polina Drozdova, and Ludmila Mironova. "SUP35 expression is enhanced in yeast containing [ISP+], a prion form of the transcriptional regulator Sfp1." Prion 5, no. 4 (2011): 317–22. http://dx.doi.org/10.4161/pri.18426.

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Radchenko, Elina, Tatyana Rogoza, Maria Khokhrina, Polina Drozdova, and Ludmila Mironova. "SUP35 expression is enhanced in yeast containing [ISP+], a prion form of the transcriptional regulator Sfp1." Prion 5, no. 4 (2011): 317–22. http://dx.doi.org/10.4161/pri.5.4.18426.

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Cipollina, Chiara, Joost van den Brink, Pascale Daran-Lapujade, Jack T. Pronk, Marina Vai, and Johannes H. de Winde. "Revisiting the role of yeast Sfp1 in ribosome biogenesis and cell size control: a chemostat study." Microbiology 154, no. 1 (2008): 337–46. http://dx.doi.org/10.1099/mic.0.2007/011767-0.

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Granados, Alejandro A., Julian M. J. Pietsch, Sarah A. Cepeda-Humerez, Iseabail L. Farquhar, Gašper Tkačik, and Peter S. Swain. "Distributed and dynamic intracellular organization of extracellular information." Proceedings of the National Academy of Sciences 115, no. 23 (2018): 6088–93. http://dx.doi.org/10.1073/pnas.1716659115.

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Although cells respond specifically to environments, how environmental identity is encoded intracellularly is not understood. Here, we study this organization of information in budding yeast by estimating the mutual information between environmental transitions and the dynamics of nuclear translocation for 10 transcription factors. Our method of estimation is general, scalable, and based on decoding from single cells. The dynamics of the transcription factors are necessary to encode the highest amounts of extracellular information, and we show that information is transduced through two channel

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37

Rogoza, T., A. Goginashvili, S. Rodionova, et al. "Non-Mendelian determinant [ISP+] in yeast is a nuclear-residing prion form of the global transcriptional regulator Sfp1." Proceedings of the National Academy of Sciences 107, no. 23 (2010): 10573–77. http://dx.doi.org/10.1073/pnas.1005949107.

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Padilla, C. A., J. A. Bárcena, M. J. López-Grueso, and R. Requejo-Aguilar. "The regulation of TORC1 pathway by the yeast chaperones Hsp31 is mediated by SFP1 and affects proteasomal activity." Biochimica et Biophysica Acta (BBA) - General Subjects 1863, no. 3 (2019): 534–46. http://dx.doi.org/10.1016/j.bbagen.2018.12.011.

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Jiang, Yuwei, Matthew D. Berg, Julie Genereaux, et al. "Sfp1 links TORC1 and cell growth regulation to the yeast SAGA‐complex component Tra1 in response to polyQ proteotoxicity." Traffic 20, no. 4 (2019): 267–83. http://dx.doi.org/10.1111/tra.12637.

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40

Drozdova, Polina, Tatyana Rogoza, Elina Radchenko, Polina Lipaeva, and Ludmila Mironova. "Transcriptional response to the [ISP+] prion ofSaccharomyces cerevisiaediffers from that induced by the deletion of its structural gene,SFP1." FEMS Yeast Research 14, no. 8 (2014): 1160–70. http://dx.doi.org/10.1111/1567-1364.12211.

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41

Busti, Stefano, Laura Gotti, Chiara Balestrieri, et al. "Overexpression of Far1, a cyclin-dependent kinase inhibitor, induces a large transcriptional reprogramming in which RNA synthesis senses Far1 in a Sfp1-mediated way." Biotechnology Advances 30, no. 1 (2012): 185–201. http://dx.doi.org/10.1016/j.biotechadv.2011.09.007.

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42

Sharma, Kartik, Krisana Nilsuwan, Lukai Ma, and Soottawat Benjakul. "Effect of Liposomal Encapsulation and Ultrasonication on Debittering of Protein Hydrolysate and Plastein from Salmon Frame." Foods 12, no. 4 (2023): 761. http://dx.doi.org/10.3390/foods12040761.

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The impacts of liposomal encapsulation on the bitterness of salmon frame protein hydrolysate (SFPH) and salmon frame protein plastein (SFPP) with the aid of ultrasound (20% amplitude, 750 W) for different time intervals (30, 60 and 120 s) were investigated. Liposomes loaded with 1% protein hydrolysate (L-PH1) and 1% plastein (L-PT1) showed the highest encapsulation efficiency and the least bitterness (p < 0.05). Ultrasonication for longer times reduced encapsulation efficiency (EE) and increased bitterness of both L-PH1 and L-PT1 along with a reduction in particle size. When comparing betwe

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Lee, I.-Ju, Ning Wang, Wen Hu, et al. "Regulation of spindle pole body assembly and cytokinesis by the centrin-binding protein Sfi1 in fission yeast." Molecular Biology of the Cell 25, no. 18 (2014): 2735–49. http://dx.doi.org/10.1091/mbc.e13-11-0699.

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Centrosomes play critical roles in the cell division cycle and ciliogenesis. Sfi1 is a centrin-binding protein conserved from yeast to humans. Budding yeast Sfi1 is essential for the initiation of spindle pole body (SPB; yeast centrosome) duplication. However, the recruitment and partitioning of Sfi1 to centrosomal structures have never been fully investigated in any organism, and the presumed importance of the conserved tryptophans in the internal repeats of Sfi1 remains untested. Here we report that in fission yeast, instead of doubling abruptly at the initiation of SPB duplication and remai

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Cheng, Peifeng, Guangtao Ma, and Yiming Li. "Preparation and Performance Improvement Mechanism Investigation of High-Performance Cementitious Grout Material for Semi-Flexible Pavement." Polymers 15, no. 12 (2023): 2631. http://dx.doi.org/10.3390/polym15122631.

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Semi-flexible pavement material (SFPM) combines the advantages and avoids the disadvantages of asphalt concrete flexible pavement and cement concrete rigid pavement. However, due to the problem of interfacial strength of composite materials, SFPM is prone to cracking diseases, which limits the further application of SFPM. Hence, it is necessary to optimize the composition design of SFPM and improve its road performance. In this study, the effects of cationic emulsified asphalt, silane coupling agent and styrene–butadiene latex on the improvement of SFPM performance were compared and analyzed.

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Rüthnick, Diana, and Elmar Schiebel. "Duplication of the Yeast Spindle Pole Body Once per Cell Cycle." Molecular and Cellular Biology 36, no. 9 (2016): 1324–31. http://dx.doi.org/10.1128/mcb.00048-16.

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The yeast spindle pole body (SPB) is the functional equivalent of the mammalian centrosome. Centrosomes and SPBs duplicate exactly once per cell cycle by mechanisms that use the mother structure as a platform for the assembly of the daughter. The conserved Sfi1 and centrin proteins are essential components of the SPB duplication process. Sfi1 is an elongated molecule that has, in its center, 20 to 23 binding sites for the Ca2+-binding protein centrin. In the yeastSaccharomyces cerevisiae, all Sfi1 N termini are in contact with the mother SPB whereas the free C termini are distal to it. During

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Huang, Jie, Mitchell Ringuet, Andrew E. Whitten, et al. "Structural basis of the zinc-induced cytoplasmic aggregation of the RNA-binding protein SFPQ." Nucleic Acids Research 48, no. 6 (2020): 3356–65. http://dx.doi.org/10.1093/nar/gkaa076.

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Abstract SFPQ is a ubiquitous nuclear RNA-binding protein implicated in many aspects of RNA biogenesis. Importantly, nuclear depletion and cytoplasmic accumulation of SFPQ has been linked to neuropathological conditions such as Alzheimer's disease (AD) and amyotrophic lateral sclerosis (ALS). Here, we describe a molecular mechanism by which SFPQ is mislocalized to the cytoplasm. We report an unexpected discovery of the infinite polymerization of SFPQ that is induced by zinc binding to the protein. The crystal structure of human SFPQ in complex with zinc at 1.94 Å resolution reveals intermolecu

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Seybold, Christian, Menattallah Elserafy, Diana Rüthnick, et al. "Kar1 binding to Sfi1 C-terminal regions anchors the SPB bridge to the nuclear envelope." Journal of Cell Biology 209, no. 6 (2015): 843–61. http://dx.doi.org/10.1083/jcb.201412050.

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The yeast spindle pole body (SPB) is the functional equivalent of the mammalian centrosome. The half bridge is a SPB substructure on the nuclear envelope (NE), playing a key role in SPB duplication. Its cytoplasmic components are the membrane-anchored Kar1, the yeast centrin Cdc31, and the Cdc31-binding protein Sfi1. In G1, the half bridge expands into the bridge through Sfi1 C-terminal (Sfi1-CT) dimerization, the licensing step for SPB duplication. We exploited photo-activated localization microscopy (PALM) to show that Kar1 localizes in the bridge center. Binding assays revealed direct inter

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Li, Yandong, Chang Su, Xuming Mao, Fang Cao, and Jiangye Chen. "Roles of Candida albicans Sfl1 in Hyphal Development." Eukaryotic Cell 6, no. 11 (2007): 2112–21. http://dx.doi.org/10.1128/ec.00199-07.

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ABSTRACT The ability to switch between different morphological forms is an important feature of Candida albicans and is relevant to its pathogenesis. Many conserved positive and negative transcription factors are involved in morphogenetic regulation of the two dimorphic fungi Candida albicans and Saccharomyces cerevisiae. In S. cerevisiae, the transcriptional repressor Sfl1 and the activator Flo8 function antagonistically in invasive and filamentous growth. We have previously reported that Candida albicans Flo8 is a transcription factor essential for hyphal development and virulence in C. albi

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Zhao, Yujian, Shuo An, Hongchen Bi, et al. "Evaluation of Platelet Parameters in Patients With Secondary Failure of Platelet Recovery and Cytomegalovirus Infection After Hematopoietic Stem Cell Transplantation." Clinical and Applied Thrombosis/Hemostasis 29 (January 2023): 107602962311577. http://dx.doi.org/10.1177/10760296231157741.

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Objective To investigate the clinical significance of changes in platelet parameters in patients with secondary failure of platelet recovery (SFPR) and cytomegalovirus (CMV) infection after hematopoietic stem cell transplantation (HSCT). Methods In this retrospective study, 79 patients who had undergone allogeneic HSCT (allo-HSCT), including 40 patients with SFPR and 39 patients without SFPR, were recruited. The evaluated parameters were platelet count (PLT), plateletcrit (PCT), platelet-large cell ratio (P-LCR), mean platelet volume (MPV), platelet distribution width (PDW), the incidence of C

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Brown, Lauren M., Hannah Huckstep, Jarrod Sandow, et al. "Different Classes of ABL1 Fusions Activate Different Downstream Signalling Nodes." Blood 132, Supplement 1 (2018): 2628. http://dx.doi.org/10.1182/blood-2018-99-117844.

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Abstract Background: Philadelphia-like acute lymphoblastic leukaemia (Ph-like ALL) is a high-risk subtype of ALL driven by a range of tyrosine kinase and cytokine receptor rearrangements. ABL1-class rearrangements (ABL1, ABL2, CSF1R and PDGFRB) account for 17% of Ph-like ALL cases in children, and are clinically important to identify as they can be therapeutically targeted with tyrosine kinase inhibitors (TKIs). While the p190 BCR-ABL1 fusion is well described, less is known about the function and downstream signalling by rare ABL1 fusions. We identified a rare ABL1 fusion, SFPQ-ABL1, in a pae

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