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Journal articles on the topic 'Sen1'

Author: Grafiati

Published: 4 June 2021

Last updated: 10 March 2023

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1

DeMarini, D. J., F. R. Papa, S. Swaminathan, et al. "The yeast SEN3 gene encodes a regulatory subunit of the 26S proteasome complex required for ubiquitin-dependent protein degradation in vivo." Molecular and Cellular Biology 15, no. 11 (1995): 6311–21. http://dx.doi.org/10.1128/mcb.15.11.6311.

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The yeast Sen1 protein was discovered by virtue of its role in tRNA splicing in vitro. To help determine the role of Sen1 in vivo, we attempted to overexpress the protein in yeast cells. However, cells with a high-copy SEN1-bearing plasmid, although expressing elevated amounts of SEN1 mRNA, show little increase in the level of the encoded protein, indicating that a posttranscriptional mechanism limits SEN1 expression. This control depends on an amino-terminal element of Sen1. Using a genetic selection for mutants with increased expression of Sen1-derived fusion proteins, we identified mutation

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Winey, M., and M. R. Culbertson. "Mutations affecting the tRNA-splicing endonuclease activity of Saccharomyces cerevisiae." Genetics 118, no. 4 (1988): 609–17. http://dx.doi.org/10.1093/genetics/118.4.609.

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Abstract Two unlinked mutations that alter the enzyme activity of tRNA-splicing endonuclease have been identified in yeast. The sen1-1 mutation, which maps on chromosome 12, causes temperature-sensitive growth, reduced in vitro endonuclease activity, and in vivo accumulation of unspliced pre-tRNAs. The sen2-1 mutation does not confer a detectable growth defect, but causes a temperature-dependent reduction of in vitro endonuclease activity. Pre-tRNAs do not accumulate in sen2-1 strains. The in vitro enzyme activities of sen1-1 and sen2-1 complement in extracts from a heterozygous diploid, but f

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DeMarini, D. J., M. Winey, D. Ursic, F. Webb, and M. R. Culbertson. "SEN1, a positive effector of tRNA-splicing endonuclease in Saccharomyces cerevisiae." Molecular and Cellular Biology 12, no. 5 (1992): 2154–64. http://dx.doi.org/10.1128/mcb.12.5.2154-2164.1992.

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The SEN1 gene, which is essential for growth in the yeast Saccharomyces cerevisiae, is required for endonucleolytic cleavage of introns from all 10 families of precursor tRNAs. A mutation in SEN1 conferring temperature-sensitive lethality also causes in vivo accumulation of pre-tRNAs and a deficiency of in vitro endonuclease activity. Biochemical evidence suggests that the gene product may be one of several components of a nuclear-localized splicing complex. We have cloned the SEN1 gene and characterized the SEN1 mRNA, the SEN1 gene product, the temperature-sensitive sen1-1 mutation, and three

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DeMarini, D. J., M. Winey, D. Ursic, F. Webb, and M. R. Culbertson. "SEN1, a positive effector of tRNA-splicing endonuclease in Saccharomyces cerevisiae." Molecular and Cellular Biology 12, no. 5 (1992): 2154–64. http://dx.doi.org/10.1128/mcb.12.5.2154.

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The SEN1 gene, which is essential for growth in the yeast Saccharomyces cerevisiae, is required for endonucleolytic cleavage of introns from all 10 families of precursor tRNAs. A mutation in SEN1 conferring temperature-sensitive lethality also causes in vivo accumulation of pre-tRNAs and a deficiency of in vitro endonuclease activity. Biochemical evidence suggests that the gene product may be one of several components of a nuclear-localized splicing complex. We have cloned the SEN1 gene and characterized the SEN1 mRNA, the SEN1 gene product, the temperature-sensitive sen1-1 mutation, and three

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Chinchilla, Karen, Juan B. Rodriguez-Molina, Doris Ursic, Jonathan S. Finkel, Aseem Z. Ansari, and Michael R. Culbertson. "Interactions of Sen1, Nrd1, and Nab3 with Multiple Phosphorylated Forms of the Rpb1 C-Terminal Domain in Saccharomyces cerevisiae." Eukaryotic Cell 11, no. 4 (2012): 417–29. http://dx.doi.org/10.1128/ec.05320-11.

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ABSTRACT The Saccharomyces cerevisiae SEN1 gene codes for a nuclear, ATP-dependent helicase which is embedded in a complex network of protein-protein interactions. Pleiotropic phenotypes of mutations in SEN1 suggest that Sen1 functions in many nuclear processes, including transcription termination, DNA repair, and RNA processing. Sen1, along with termination factors Nrd1 and Nab3, is required for the termination of noncoding RNA transcripts, but Sen1 is associated during transcription with coding and noncoding genes. Sen1 and Nrd1 both interact directly with Nab3, as well as with the C-termina

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6

Prodhomme, Charlotte, Gert van Arkel, Jarosław Plich, et al. "A Hitchhiker’s guide to the potato wart disease resistance galaxy." Theoretical and Applied Genetics 133, no. 12 (2020): 3419–39. http://dx.doi.org/10.1007/s00122-020-03678-x.

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Abstract Key message Two novel major effect loci (Sen4 and Sen5) and several minor effect QTLs for potato wart disease resistance have been mapped. The importance of minor effect loci to bring full resistance to wart disease was investigated. Using the newly identified and known wart disease resistances, a panel of potato breeding germplasm and Solanum wild species was screened. This provided a state-of-the-art “hitch-hikers-guide” of complementary wart disease resistance sources. Abstract Potato wart disease, caused by the obligate biotrophic soil-born fungus Synchytrium endobioticum, is the

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Rasmussen, Theodore P., and Michael R. Culbertson. "The Putative Nucleic Acid Helicase Sen1p Is Required for Formation and Stability of Termini and for Maximal Rates of Synthesis and Levels of Accumulation of Small Nucleolar RNAs inSaccharomyces cerevisiae." Molecular and Cellular Biology 18, no. 12 (1998): 6885–96. http://dx.doi.org/10.1128/mcb.18.12.6885.

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ABSTRACT Sen1p from Saccharomyces cerevisiae is a nucleic acid helicase related to DEAD box RNA helicases and type I DNA helicases. The temperature-sensitive sen1-1 mutation located in the helicase motif alters the accumulation of pre-tRNAs, pre-rRNAs, and some small nuclear RNAs. In this report, we show that cells carryingsen1-1 exhibit altered accumulation of several small nucleolar RNAs (snoRNAs) immediately upon temperature shift. Using Northern blotting, RNase H cleavage, primer extension, and base compositional analysis, we detected three forms of the snoRNA snR13 in wild-type cells: an

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8

Suganuma, Norio, Atsuko Yamamoto, Ai Itou, et al. "cDNA Macroarray Analysis of Gene Expression in Ineffective Nodules Induced on the Lotus japonicus sen1 Mutant." Molecular Plant-Microbe Interactions® 17, no. 11 (2004): 1223–33. http://dx.doi.org/10.1094/mpmi.2004.17.11.1223.

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The Lotus japonicus sen1 mutant forms ineffective nodules in which development is arrested at the stage of bacterial differentiation into nitrogen-fixing bacteroids. Here, we used cDNA macroarray systems to compare gene expression in ineffective nodules induced on the sen1 mutant with gene expression in wild-type nodules, in order to identify the host plant genes that are involved in nitrogen fixation. Macroarray analysis coupled with Northern blot analysis revealed that the expression of 18 genes was significantly enhanced in ineffective sen1 nodules, whereas the expression of 30 genes was re

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Prodhomme, Charlotte, Peter G. Vos, Maria João Paulo, et al. "Distribution of P1(D1) wart disease resistance in potato germplasm and GWAS identification of haplotype-specific SNP markers." Theoretical and Applied Genetics 133, no. 6 (2020): 1859–71. http://dx.doi.org/10.1007/s00122-020-03559-3.

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Abstract Key message A Genome-Wide Association Study using 330 commercial potato varieties identified haplotype specific SNP markers associated with pathotype 1(D1) wart disease resistance. Abstract Synchytrium endobioticum is a soilborne obligate biotrophic fungus responsible for wart disease. Growing resistant varieties is the most effective way to manage the disease. This paper addresses the challenge to apply molecular markers in potato breeding. Although markers linked to Sen1 were published before, the identification of haplotype-specific single-nucleotide polymorphisms may result in mar

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van de Vossenberg, Bart T. L. H., Charlotte Prodhomme, Gert van Arkel, et al. "The Synchytrium endobioticum AvrSen1 Triggers a Hypersensitive Response in Sen1 Potatoes While Natural Variants Evade Detection." Molecular Plant-Microbe Interactions® 32, no. 11 (2019): 1536–46. http://dx.doi.org/10.1094/mpmi-05-19-0138-r.

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Synchytrium endobioticum is an obligate biotrophic fungus of division Chytridiomycota. It causes potato wart disease, has a worldwide quarantine status and is included on the Health and Human Services and United States Department of Agriculture Select Agent list. S. endobioticum isolates are grouped in pathotypes based on their ability to evade host resistance in a set of differential potato varieties. Thus far, 39 pathotypes are reported. A single dominant gene (Sen1) governs pathotype 1 (D1) resistance and we anticipated that the underlying molecular model would involve a pathogen effector (

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Schmitt, M., L. H. Hughes, and X. X. Zhu. "THE SEN1-2 DATASET FOR DEEP LEARNING IN SAR-OPTICAL DATA FUSION." ISPRS Annals of Photogrammetry, Remote Sensing and Spatial Information Sciences IV-1 (September 26, 2018): 141–46. http://dx.doi.org/10.5194/isprs-annals-iv-1-141-2018.

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<p><strong>Abstract.</strong> While deep learning techniques have an increasing impact on many technical fields, gathering sufficient amounts of training data is a challenging problem in remote sensing. In particular, this holds for applications involving data from multiple sensors with heterogeneous characteristics. One example for that is the fusion of synthetic aperture radar (SAR) data and optical imagery. With this paper, we publish the <i>SEN1-2</i> dataset to foster deep learning research in SAR-optical data fusion. <i>SEN1-2</i> comprises 282;3

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12

Mischo, Hannah E., Yujin Chun, Kevin M. Harlen, et al. "Cell-Cycle Modulation of Transcription Termination Factor Sen1." Molecular Cell 70, no. 2 (2018): 312–26. http://dx.doi.org/10.1016/j.molcel.2018.03.010.

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13

Zardoni, Luca, Eleonora Nardini, Alessandra Brambati, et al. "Elongating RNA polymerase II and RNA:DNA hybrids hinder fork progression and gene expression at sites of head-on replication-transcription collisions." Nucleic Acids Research 49, no. 22 (2021): 12769–84. http://dx.doi.org/10.1093/nar/gkab1146.

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Abstract Uncoordinated clashes between replication forks and transcription cause replication stress and genome instability, which are hallmarks of cancer and neurodegeneration. Here, we investigate the outcomes of head-on replication-transcription collisions, using as a model system budding yeast mutants for the helicase Sen1, the ortholog of human Senataxin. We found that RNA Polymerase II accumulates together with RNA:DNA hybrids at sites of head-on collisions. The replication fork and RNA Polymerase II are both arrested during the clash, leading to DNA damage and, in the long run, the inhib

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14

Haidara, Nouhou, Marta Giannini, and Odil Porrua. "Modulated termination of non-coding transcription partakes in the regulation of gene expression." Nucleic Acids Research 50, no. 3 (2022): 1430–48. http://dx.doi.org/10.1093/nar/gkab1304.

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Abstract Pervasive transcription is a universal phenomenon leading to the production of a plethora of non-coding RNAs. If left uncontrolled, pervasive transcription can be harmful for genome expression and stability. However, non-coding transcription can also play important regulatory roles, for instance by promoting the repression of specific genes by a mechanism of transcriptional interference. The efficiency of transcription termination can strongly influence the regulatory capacity of non-coding transcription events, yet very little is known about the mechanisms modulating the termination

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Mischo, Hannah E., Belén Gómez-González, Pawel Grzechnik, et al. "Yeast Sen1 Helicase Protects the Genome from Transcription-Associated Instability." Molecular Cell 41, no. 1 (2011): 21–32. http://dx.doi.org/10.1016/j.molcel.2010.12.007.

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Hazelbaker, Dane Z., Sebastian Marquardt, Wiebke Wlotzka, and Stephen Buratowski. "Kinetic Competition between RNA Polymerase II and Sen1-Dependent Transcription Termination." Molecular Cell 49, no. 1 (2013): 55–66. http://dx.doi.org/10.1016/j.molcel.2012.10.014.

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17

Ursic, Doris, Douglas J. DeMarini, and Michael R. Culbertson. "Inactivation of the yeast Sen1 protein affects the localization of nucleolar proteins." Molecular and General Genetics MGG 249, no. 6 (1995): 571–84. http://dx.doi.org/10.1007/bf00418026.

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18

Lee, Kwan Yin, Anand Chopra, Giovanni L. Burke, et al. "A crucial RNA-binding lysine residue in the Nab3 RRM domain undergoes SET1 and SET3-responsive methylation." Nucleic Acids Research 48, no. 6 (2020): 2897–911. http://dx.doi.org/10.1093/nar/gkaa029.

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Abstract The Nrd1–Nab3–Sen1 (NNS) complex integrates molecular cues to direct termination of noncoding transcription in budding yeast. NNS is positively regulated by histone methylation as well as through Nrd1 binding to the initiating form of RNA PolII. These cues collaborate with Nrd1 and Nab3 binding to target RNA sequences in nascent transcripts through their RRM RNA recognition motifs. In this study, we identify nine lysine residues distributed amongst Nrd1, Nab3 and Sen1 that are methylated, suggesting novel molecular inputs for NNS regulation. We identify mono-methylation of one these r

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19

Steinmetz, E. J., and D. A. Brow. "Repression of gene expression by an exogenous sequence element acting in concert with a heterogeneous nuclear ribonucleoprotein-like protein, Nrd1, and the putative helicase Sen1." Molecular and Cellular Biology 16, no. 12 (1996): 6993–7003. http://dx.doi.org/10.1128/mcb.16.12.6993.

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We have fortuitously identified a nucleotide sequence that decreases expression of a reporter gene in the yeast Saccharomyces cerevisiae 20-fold when inserted into an intron. The primary effect of the insertion is a decrease in pre-mRNA abundance accompanied by the appearance of 3'-truncated transcripts, consistent with premature transcriptional termination and/or pre-mRNA degradation. Point mutations in the cis element relieve the negative effect, demonstrating its sequence specificity. A novel yeast protein, named Nrd1, and a previously identified putative helicase, Sen1, help mediate the ne

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Terzi, N., L. S. Churchman, L. Vasiljeva, J. Weissman, and S. Buratowski. "H3K4 Trimethylation by Set1 Promotes Efficient Termination by the Nrd1-Nab3-Sen1 Pathway." Molecular and Cellular Biology 31, no. 17 (2011): 3569–83. http://dx.doi.org/10.1128/mcb.05590-11.

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21

Ursic, D. "The yeast SEN1 gene is required for the processing of diverse RNA classes." Nucleic Acids Research 25, no. 23 (1997): 4778–85. http://dx.doi.org/10.1093/nar/25.23.4778.

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22

Kim, Ki-Young, and David E. Levin. "Mpk1 MAPK Association with the Paf1 Complex Blocks Sen1-Mediated Premature Transcription Termination." Cell 144, no. 5 (2011): 745–56. http://dx.doi.org/10.1016/j.cell.2011.01.034.

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23

Steinmetz, Eric J., Christopher L. Warren, Jason N. Kuehner, Bahman Panbehi, Aseem Z. Ansari, and David A. Brow. "Genome-Wide Distribution of Yeast RNA Polymerase II and Its Control by Sen1 Helicase." Molecular Cell 24, no. 5 (2006): 735–46. http://dx.doi.org/10.1016/j.molcel.2006.10.023.

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Appanah, Rowin, Emma Claire Lones, Umberto Aiello, Domenico Libri, and Giacomo De Piccoli. "Sen1 Is Recruited to Replication Forks via Ctf4 and Mrc1 and Promotes Genome Stability." Cell Reports 30, no. 7 (2020): 2094–105. http://dx.doi.org/10.1016/j.celrep.2020.01.087.

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Suganuma, N., Y. Nakamura, M. Yamamoto, et al. "The Lotus japonicus Sen1 gene controls rhizobial differentiation into nitrogen-fixing bacteroids in nodules." Molecular Genetics and Genomics 269, no. 3 (2003): 312–20. http://dx.doi.org/10.1007/s00438-003-0840-4.

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Bakulina, A. V., L. S. Savintseva, O. N. Bashlakova, and N. F. Sintsova. "Molecular screening of potato varieties bred by Falenki Breeding station for resistance to phytopathogens." Agricultural Science Euro-North-East 22, no. 3 (2021): 340–50. http://dx.doi.org/10.30766/2072-9081.2021.22.3.340-350.

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The genotypes of potatoes bred by Falenki Breeding station were studied for the presence of resistance genes markers to the following pathogens: Globodera rostochiensis, Globodera pallidа, Synchytrium endobioticum, potato virus X (PVХ) and potato virus Y (PVY). The method of multiplex PCR analysis was used. The varieties Shurminsky 2, Alisa, Viza, Chayka, Ognivo, Darik, Gloriya, Golubka, Virazh and a promising variety sample 56-09 were studied. In most (8 out of 10) genotypes, marker linked to the Sen1 gene of resistance to S. endobioticum was identified. DNA marker of the G. rostochiensis res

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Leonaitė, Bronislava, Zhong Han, Jérôme Basquin, et al. "Sen1 has unique structural features grafted on the architecture of the Upf1‐like helicase family." EMBO Journal 36, no. 11 (2017): 1590–604. http://dx.doi.org/10.15252/embj.201696174.

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Bieńkowska, Izabela, and Krzysztof Polok. "Methods and Techniques for Activating Students with Sen1 on Foreign Language (English) Classes in Poland." OALib 05, no. 03 (2018): 1–8. http://dx.doi.org/10.4236/oalib.1104389.

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Hakoyama, Tsuneo, Kaori Niimi, Takeshi Yamamoto, et al. "The Integral Membrane Protein SEN1 is Required for Symbiotic Nitrogen Fixation in Lotus japonicus Nodules." Plant and Cell Physiology 53, no. 1 (2011): 225–36. http://dx.doi.org/10.1093/pcp/pcr167.

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30

Porrua, Odil, Fruzsina Hobor, Jocelyne Boulay, et al. "In vivoSELEX reveals novel sequence and structural determinants of Nrd1-Nab3-Sen1-dependent transcription termination." EMBO Journal 31, no. 19 (2012): 3935–48. http://dx.doi.org/10.1038/emboj.2012.237.

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Hsu, Chou-Yu, Ming-Lun Chou, Wan-Chen Wei, Yo-Chia Chung, Xin-Yue Loo, and Lee-Fong Lin. "Chloroplast Protein Tic55 Involved in Dark-Induced Senescence through AtbHLH/AtWRKY-ANAC003 Controlling Pathway of Arabidopsis thaliana." Genes 13, no. 2 (2022): 308. http://dx.doi.org/10.3390/genes13020308.

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The chloroplast comprises the outer and inner membranes that are composed of the translocon protein complexes Toc and Tic (translocon at the outer/inner envelope membrane of chloroplasts), respectively. Tic55, a chloroplast Tic protein member, was shown to be not vital for functional protein import in Arabidopsis from previous studies. Instead, Tic55 was revealed to be a dark-induced senescence-related protein in our earlier study. To explore whether Tic55 elicits other biological functions, a tic55-II knockout mutant (SALK_086048) was characterized under different stress treatments. Abiotic s

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32

Schenk, Peer M., Kemal Kazan, Anca G. Rusu, John M. Manners, and Donald J. Maclean. "The SEN1 gene of Arabidopsis is regulated by signals that link plant defence responses and senescence." Plant Physiology and Biochemistry 43, no. 10-11 (2005): 997–1005. http://dx.doi.org/10.1016/j.plaphy.2005.09.002.

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Jamonnak, N., T. J. Creamer, M. M. Darby, P. Schaughency, S. J. Wheelan, and J. L. Corden. "Yeast Nrd1, Nab3, and Sen1 transcriptome-wide binding maps suggest multiple roles in post-transcriptional RNA processing." RNA 17, no. 11 (2011): 2011–25. http://dx.doi.org/10.1261/rna.2840711.

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34

Han, Zhong, Domenico Libri, and Odil Porrua. "Biochemical characterization of the helicase Sen1 provides new insights into the mechanisms of non-coding transcription termination." Nucleic Acids Research 45, no. 3 (2016): 1355–70. http://dx.doi.org/10.1093/nar/gkw1230.

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Collin, Pierre, Célia Jeronimo, Christian Poitras, and François Robert. "RNA Polymerase II CTD Tyrosine 1 Is Required for Efficient Termination by the Nrd1-Nab3-Sen1 Pathway." Molecular Cell 73, no. 4 (2019): 655–69. http://dx.doi.org/10.1016/j.molcel.2018.12.002.

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36

Vasiljeva, Lidia, Minkyu Kim, Hannes Mutschler, Stephen Buratowski, and Anton Meinhart. "The Nrd1–Nab3–Sen1 termination complex interacts with the Ser5-phosphorylated RNA polymerase II C-terminal domain." Nature Structural & Molecular Biology 15, no. 8 (2008): 795–804. http://dx.doi.org/10.1038/nsmb.1468.

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Zhang, Yinglu, Yujin Chun, Stephen Buratowski, and Liang Tong. "Identification of Three Sequence Motifs in the Transcription Termination Factor Sen1 that Mediate Direct Interactions with Nrd1." Structure 27, no. 7 (2019): 1156–61. http://dx.doi.org/10.1016/j.str.2019.04.005.

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Creamer, Tyler J., Miranda M. Darby, Nuttara Jamonnak, et al. "Transcriptome-Wide Binding Sites for Components of the Saccharomyces cerevisiae Non-Poly(A) Termination Pathway: Nrd1, Nab3, and Sen1." PLoS Genetics 7, no. 10 (2011): e1002329. http://dx.doi.org/10.1371/journal.pgen.1002329.

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Li, Wentao, Kathiresan Selvam, Sheikh A. Rahman, and Shisheng Li. "Sen1, the yeast homolog of human senataxin, plays a more direct role than Rad26 in transcription coupled DNA repair." Nucleic Acids Research 44, no. 14 (2016): 6794–802. http://dx.doi.org/10.1093/nar/gkw428.

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Rawal, Chetan C., Luca Zardoni, Matteo Di Terlizzi, et al. "Senataxin Ortholog Sen1 Limits DNA:RNA Hybrid Accumulation at DNA Double-Strand Breaks to Control End Resection and Repair Fidelity." Cell Reports 31, no. 5 (2020): 107603. http://dx.doi.org/10.1016/j.celrep.2020.107603.

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Chen, Xin, Kunal Poorey, Melissa N. Carver, et al. "Transcriptomes of six mutants in the Sen1 pathway reveal combinatorial control of transcription termination across the Saccharomyces cerevisiae genome." PLOS Genetics 13, no. 6 (2017): e1006863. http://dx.doi.org/10.1371/journal.pgen.1006863.

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Whalen, Courtney, Christine Tuohy, Thomas Tallo, James W. Kaufman, Claire Moore, and Jason N. Kuehner. "RNA Polymerase II Transcription Attenuation at the Yeast DNA Repair Gene, DEF1, Involves Sen1-Dependent and Polyadenylation Site-Dependent Termination." G3: Genes|Genomes|Genetics 8, no. 6 (2018): 2043–58. http://dx.doi.org/10.1534/g3.118.200072.

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Legros, Pénélope, Amélie Malapert, Sho Niinuma, Pascal Bernard, and Vincent Vanoosthuyse. "RNA Processing Factors Swd2.2 and Sen1 Antagonize RNA Pol III-Dependent Transcription and the Localization of Condensin at Pol III Genes." PLoS Genetics 10, no. 11 (2014): e1004794. http://dx.doi.org/10.1371/journal.pgen.1004794.

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Dutta, Mouboni, Mazahar Moin, Anusree Saha, Dibyendu Dutta, Achala Bakshi, and P. B. Kirti. "Gain-of-function mutagenesis through activation tagging identifies XPB2 and SEN1 helicase genes as potential targets for drought stress tolerance in rice." Theoretical and Applied Genetics 134, no. 7 (2021): 2253–72. http://dx.doi.org/10.1007/s00122-021-03823-0.

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Basu, Shibom, Vincent Olieric, Filip Leonarski, et al. "Long-wavelength native-SAD phasing: opportunities and challenges." IUCrJ 6, no. 3 (2019): 373–86. http://dx.doi.org/10.1107/s2052252519002756.

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Native single-wavelength anomalous dispersion (SAD) is an attractive experimental phasing technique as it exploits weak anomalous signals from intrinsic light scatterers (Z < 20). The anomalous signal of sulfur in particular, is enhanced at long wavelengths, however the absorption of diffracted X-rays owing to the crystal, the sample support and air affects the recorded intensities. Thereby, the optimal measurable anomalous signals primarily depend on the counterplay of the absorption and the anomalous scattering factor at a given X-ray wavelength. Here, the benefit of using a wavelength of

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Jenks, M. Harley, Thomas W. O'Rourke, and Daniel Reines. "Properties of an Intergenic Terminator and Start Site Switch That Regulate IMD2 Transcription in Yeast." Molecular and Cellular Biology 28, no. 12 (2008): 3883–93. http://dx.doi.org/10.1128/mcb.00380-08.

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ABSTRACT The IMD2 gene in Saccharomyces cerevisiae is regulated by intracellular guanine nucleotides. Regulation is exerted through the choice of alternative transcription start sites that results in synthesis of either an unstable short transcript terminating upstream of the start codon or a full-length productive IMD2 mRNA. Start site selection is dictated by the intracellular guanine nucleotide levels. Here we have mapped the polyadenylation sites of the upstream, unstable short transcripts that form a heterogeneous family of RNAs of ≈200 nucleotides. The switch from the upstream to downstr

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Lucana, Darío Ortiz de Orué, Peijian Zou, Marc Nierhaus, and Hildgund Schrempf. "Identification of a novel two-component system SenS/SenR modulating the production of the catalase-peroxidase CpeB and the haem-binding protein HbpS in Streptomyces reticuli." Microbiology 151, no. 11 (2005): 3603–14. http://dx.doi.org/10.1099/mic.0.28298-0.

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The Gram-positive soil bacterium and cellulose degrader Streptomyces reticuli synthesizes the mycelium-associated enzyme CpeB, which displays haem-dependent catalase and peroxidase activity, as well as haem-independent manganese-peroxidase activity. The expression of the furS–cpeB operon depends on the redox regulator FurS and the presence of the haem-binding protein HbpS. Upstream of hbpS, the neighbouring senS and senR genes were identified. SenS is a sensor histidine kinase with five predicted N-terminally located transmembrane domains. SenR is the corresponding response regulator with a C-

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Sariki, Santhosh Kumar, Pushpendra Kumar Sahu, Upendarrao Golla, Vikash Singh, Gajendra Kumar Azad, and Raghuvir S. Tomar. "Sen1, the homolog of human Senataxin, is critical for cell survival through regulation of redox homeostasis, mitochondrial function, and the TOR pathway inSaccharomyces cerevisiae." FEBS Journal 283, no. 22 (2016): 4056–83. http://dx.doi.org/10.1111/febs.13917.

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Fang, Jing, Xiaole Ma, Jingjing Wang, Kai Qin, Shaohai Hu, and Yuefeng Zhao. "A Noisy SAR Image Fusion Method Based on NLM and GAN." Entropy 23, no. 4 (2021): 410. http://dx.doi.org/10.3390/e23040410.

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The unavoidable noise often present in synthetic aperture radar (SAR) images, such as speckle noise, negatively impacts the subsequent processing of SAR images. Further, it is not easy to find an appropriate application for SAR images, given that the human visual system is sensitive to color and SAR images are gray. As a result, a noisy SAR image fusion method based on nonlocal matching and generative adversarial networks is presented in this paper. A nonlocal matching method is applied to processing source images into similar block groups in the pre-processing step. Then, adversarial networks

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Karmakar, Kanchan, Anindya Kundu, Ahsan Z. Rizvi, et al. "Transcriptomic Analysis With the Progress of Symbiosis in ‘Crack-Entry’ Legume Arachis hypogaea Highlights Its Contrast With ‘Infection Thread’ Adapted Legumes." Molecular Plant-Microbe Interactions® 32, no. 3 (2019): 271–85. http://dx.doi.org/10.1094/mpmi-06-18-0174-r.

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In root-nodule symbiosis, rhizobial invasion and nodule organogenesis is host controlled. In most legumes, rhizobia enter through infection threads and nodule primordium in the cortex is induced from a distance. But in dalbergoid legumes like Arachis hypogaea, rhizobia directly invade cortical cells through epidermal cracks to generate the primordia. Herein, we report the transcriptional dynamics with the progress of symbiosis in A. hypogaea at 1 day postinfection (dpi) (invasion), 4 dpi (nodule primordia), 8 dpi (spread of infection in nodule-like structure), 12 dpi (immature nodules containi

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