HAS1

Summary

Gene Symbol: HAS1
Description: ATP-dependent RNA helicase HAS1
Alias: ATP-dependent RNA helicase HAS1
Species: Saccharomyces cerevisiae S288c

Top Publications

  1. Harnpicharnchai P, Jakovljevic J, Horsey E, Miles T, Roman J, Rout M, et al. Composition and functional characterization of yeast 66S ribosome assembly intermediates. Mol Cell. 2001;8:505-15 pubmed
    ..These results demonstrate that proteomic approaches in concert with genetic tools provide powerful means to purify and characterize ribosome assembly intermediates. ..
  2. Talkish J, Zhang J, Jakovljevic J, Horsey E, Woolford J. Hierarchical recruitment into nascent ribosomes of assembly factors required for 27SB pre-rRNA processing in Saccharomyces cerevisiae. Nucleic Acids Res. 2012;40:8646-61 pubmed
    ..Inhibition of TOR kinase decreases association of Rpf2, Spb4, Nog1 and Nog2 with pre-ribosomes. ..
  3. Shimoji K, Jakovljevic J, Tsuchihashi K, Umeki Y, Wan K, Kawasaki S, et al. Ebp2 and Brx1 function cooperatively in 60S ribosomal subunit assembly in Saccharomyces cerevisiae. Nucleic Acids Res. 2012;40:4574-88 pubmed publisher
  4. Miles T, Jakovljevic J, Horsey E, Harnpicharnchai P, Tang L, Woolford J. Ytm1, Nop7, and Erb1 form a complex necessary for maturation of yeast 66S preribosomes. Mol Cell Biol. 2005;25:10419-32 pubmed
    ..Mutations in the WD40 motifs of Ytm1 disrupt binding to Erb1, destabilize the heterotrimer, and delay pre-rRNA processing and nuclear export of preribosomes. Nevertheless, 66S preribosomes lacking Ytm1 remain otherwise intact. ..
  5. Emery B, de la Cruz J, Rocak S, Deloche O, Linder P. Has1p, a member of the DEAD-box family, is required for 40S ribosomal subunit biogenesis in Saccharomyces cerevisiae. Mol Microbiol. 2004;52:141-58 pubmed
    The Has1 protein, a member of the DEAD-box family of ATP-dependent RNA helicases in Saccharomyces cerevisiae, has been found by different proteomic approaches to be associated with 90S and several pre-60S ribosomal complexes...
  6. Rocak S, Emery B, Tanner N, Linder P. Characterization of the ATPase and unwinding activities of the yeast DEAD-box protein Has1p and the analysis of the roles of the conserved motifs. Nucleic Acids Res. 2005;33:999-1009 pubmed
    ..Finally, rRNAs and poly(A) RNA serve as the best stimulators of the ATPase activity of Has1p among the tested RNAs. ..
  7. Bernstein K, Granneman S, Lee A, Manickam S, Baserga S. Comprehensive mutational analysis of yeast DEXD/H box RNA helicases involved in large ribosomal subunit biogenesis. Mol Cell Biol. 2006;26:1195-208 pubmed
    ..motifs for helicase function, a series of five mutations were created in each of the eight essential RNA helicases (Has1, Dbp6, Dbp10, Mak5, Mtr4, Drs1, Spb4, and Dbp9) involved in 60S ribosomal subunit biogenesis...
  8. Liang X, Fournier M. The helicase Has1p is required for snoRNA release from pre-rRNA. Mol Cell Biol. 2006;26:7437-50 pubmed
    ..Surprisingly, depletion of Has1p causes a reduction in the level of free U6 snRNP. The results indicate that the Has1p helicase is required for snoRNA release from pre-rRNA and production of the U6 snRNP. ..
  9. Honma Y, Kitamura A, Shioda R, Maruyama H, Ozaki K, Oda Y, et al. TOR regulates late steps of ribosome maturation in the nucleoplasm via Nog1 in response to nutrients. EMBO J. 2006;25:3832-42 pubmed
    ..Thus, the Nog1 complex is a critical regulator of ribosome biogenesis mediated by TOR. This is the first description of a physiological regulation of nucleolus-to-nucleoplasm translocation of pre-ribosome complexes. ..

More Information

Publications19

  1. Khoshnevis S, Askenasy I, Johnson M, Dattolo M, Young Erdos C, Stroupe M, et al. The DEAD-box Protein Rok1 Orchestrates 40S and 60S Ribosome Assembly by Promoting the Release of Rrp5 from Pre-40S Ribosomes to Allow for 60S Maturation. PLoS Biol. 2016;14:e1002480 pubmed publisher
    ..Rok1 inactivation arises because Rrp5 release is blocked and implicate a previously undescribed interaction between Rrp5 and the DEAD-box protein Has1 in mediating snR30 accumulation when Rrp5 release from pre-40S subunits is blocked.
  2. Bassler J, Kallas M, Hurt E. The NUG1 GTPase reveals and N-terminal RNA-binding domain that is essential for association with 60 S pre-ribosomal particles. J Biol Chem. 2006;281:24737-44 pubmed
    ..Our findings suggest that Nug1 associates with pre-60 S subunits via its essential N-terminal RNA-binding domain and exerts a non-essential regulative role in pre-60 S subunit biogenesis via its central GTPase domain. ..
  3. Hoang T, Peng W, Vanrobays E, Krogan N, Hiley S, Beyer A, et al. Esf2p, a U3-associated factor required for small-subunit processome assembly and compaction. Mol Cell Biol. 2005;25:5523-34 pubmed
    ..The identification of ABT1 in a large-scale analysis of the human nucleolar proteome indicates that its role may also be conserved in mammals. ..
  4. McCann K, Teramoto T, Zhang J, Tanaka Hall T, Baserga S. The molecular basis for ANE syndrome revealed by the large ribosomal subunit processome interactome. elife. 2016;5: pubmed publisher
  5. Bassler J, Grandi P, Gadal O, Lessmann T, Petfalski E, Tollervey D, et al. Identification of a 60S preribosomal particle that is closely linked to nuclear export. Mol Cell. 2001;8:517-29 pubmed
    ..Eight of these proteins were copurified with nuclear pore complexes, suggesting that this complex represents the transport intermediate for 60S subunit export. ..
  6. Fernández Pévida A, Rodríguez Galán O, Díaz Quintana A, Kressler D, de la Cruz J. Yeast ribosomal protein L40 assembles late into precursor 60 S ribosomes and is required for their cytoplasmic maturation. J Biol Chem. 2012;287:38390-407 pubmed publisher
  7. Dembowski J, Kuo B, Woolford J. Has1 regulates consecutive maturation and processing steps for assembly of 60S ribosomal subunits. Nucleic Acids Res. 2013;41:7889-904 pubmed publisher
    ..Here, we reveal ATP-independent and ATP-dependent roles of the Has1 DEAD-box RNA helicase in consecutive pre-rRNA processing and maturation steps for construction of 60S ribosomal ..
  8. Dembowski J, Ramesh M, McManus C, Woolford J. Identification of the binding site of Rlp7 on assembling 60S ribosomal subunits in Saccharomyces cerevisiae. RNA. 2013;19:1639-47 pubmed publisher
    ..Thus, we propose that Rlp7 coevolved with these RNA elements to facilitate eukaryotic-specific functions in ribosome assembly and pre-rRNA processing. ..
  9. Fuentes J, Datta K, Sullivan S, Walker A, Maddock J. In vivo functional characterization of the Saccharomyces cerevisiae 60S biogenesis GTPase Nog1. Mol Genet Genomics. 2007;278:105-23 pubmed
    ..Several conserved charge-to-alanine substitutions outside the GTPase domain display modest growth phenotypes indicating that these residues are not critical for function. ..
  10. Mnaimneh S, Davierwala A, Haynes J, Moffat J, Peng W, Zhang W, et al. Exploration of essential gene functions via titratable promoter alleles. Cell. 2004;118:31-44 pubmed
    ..We identified genes involved in ribosome biogenesis (HAS1, URB1, and URB2), protein secretion (SEC39), mitochondrial import (MIM1), and tRNA charging (GSN1)...