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Title: Structural conservation in the template/pseudoknot domain of vertebrate telomerase RNA from teleost fish to human

Journal Article · · Proceedings of the National Academy of Sciences of the United States of America
ORCiD logo [1];  [2];  [3];  [4];  [4]
  1. Department of Chemistry and Biochemistry, University of California, Los Angeles, CA 90095-1569,
  2. Biochemistry Department, Stanford University, Stanford, CA 94305,
  3. Department of Biochemistry and Biophysics, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599,
  4. Department of Chemistry and Biochemistry, University of California, Los Angeles, CA 90095-1569,, University of California Los Angeles–Department of Energy Institute for Genomics and Proteomics, University of California, Los Angeles, CA 90095

Telomerase is an RNA–protein complex that includes a unique reverse transcriptase that catalyzes the addition of single-stranded telomere DNA repeats onto the 3' ends of linear chromosomes using an integral telomerase RNA (TR) template. Vertebrate TR contains the template/pseudoknot (t/PK) and CR4/5 domains required for telomerase activity in vitro. All vertebrate pseudoknots include two subdomains: P2ab (helices P2a and P2b with a 5/6-nt internal loop) and the minimal pseudoknot (P2b–P3 and associated loops). A helical extension of P2a, P2a.1, is specific to mammalian TR. In this paper, using NMR, we investigated the structures of the full-length TR pseudoknot and isolated subdomains in Oryzias latipes (Japanese medaka fish), which has the smallest vertebrate TR identified to date. We determined the solution NMR structure and studied the dynamics of medaka P2ab, and identified all base pairs and tertiary interactions in the minimal pseudoknot. Despite differences in length and sequence, the structure of medaka P2ab is more similar to human P2ab than predicted, and the medaka minimal pseudoknot has the same tertiary interactions as the human pseudoknot. Significantly, although P2a.1 is not predicted to form in teleost fish, we find that it forms in the full-length pseudoknot via an unexpected hairpin. Model structures of the subdomains are combined to generate a model of t/PK. These results provide evidence that the architecture for the vertebrate t/PK is conserved from teleost fish to human. Finally, the organization of the t/PK on telomerase reverse transcriptase for medaka and human is modeled based on the cryoEM structure of Tetrahymena telomerase, providing insight into function.

Research Organization:
Univ. of California, Los Angeles, CA (United States); Stanford Univ., CA (United States)
Sponsoring Organization:
USDOE; National Inst. of Health (NIH) (United States); National Science Foundation (NSF)
Grant/Contract Number:
FC03-02ER63421; GM48123; GM112503; GM112294; MCB1517625
OSTI ID:
1297260
Alternate ID(s):
OSTI ID: 1470062
Journal Information:
Proceedings of the National Academy of Sciences of the United States of America, Journal Name: Proceedings of the National Academy of Sciences of the United States of America Vol. 113 Journal Issue: 35; ISSN 0027-8424
Publisher:
Proceedings of the National Academy of SciencesCopyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 21 works
Citation information provided by
Web of Science

References (72)

Structure of Tetrahymena telomerase reveals previously unknown subunits, functions, and interactions journal October 2015
Direct detection of N−H⋯N hydrogen bonds in biomolecules by NMR spectroscopy journal January 2008
Telomere maintenance and human bone marrow failure journal May 2008
Telomerase therapeutics for cancer: challenges and new directions journal June 2006
Secondary Structure of Vertebrate Telomerase RNA journal March 2000
New applications of 2D filtered/edited NOESY for assignment and structure elucidation of RNA and RNA-protein complexes journal January 2004
Structure and sequence elements of the CR4/5 domain of medaka telomerase RNA important for telomerase function journal December 2013
Physical Connectivity Mapping by Circular Permutation of Human Telomerase RNA Reveals New Regions Critical for Activity and Processivity journal January 2016
Structure of the Human Telomerase RNA Pseudoknot Reveals Conserved Tertiary Interactions Essential for Function journal March 2005
Large telomerase RNA, telomere length heterogeneity and escape from senescence in Candida glabrata journal October 2009
Telomerase RNA structure and function: implications for dyskeratosis congenita journal April 2004
Pyrimidine motif triple helix in the Kluyveromyces lactis telomerase RNA pseudoknot is essential for function in vivo journal June 2013
Solution Structure and Dynamics of the Wild-type Pseudoknot of Human Telomerase RNA journal December 2008
Single-Molecule FRET Reveals the Folding Dynamics of the Human Telomerase RNA Pseudoknot Domain journal April 2012
Characterizing the relative orientation and dynamics of RNA A-form helices using NMR residual dipolar couplings journal June 2007
The Structure and Function of Telomerase Reverse Transcriptase journal June 2006
Structural basis of template-boundary definition in Tetrahymena telomerase journal October 2015
RNA Binding Domain of Telomerase Reverse Transcriptase journal February 2001
Human telomerase specialization for repeat synthesis by unique handling of primer-template duplex journal March 2014
The telomere syndromes journal September 2012
Template boundary definition in mammalian telomerase journal November 2003
A Motif in the Vertebrate Telomerase N-Terminal Linker of TERT Contributes to RNA Binding and Telomerase Activity and Processivity journal October 2013
InTERTpreting telomerase structure and function journal May 2010
Determinants in mammalian telomerase RNA that mediate enzyme processivity and cross-species incompatibility journal January 2003
The nature of telomere fusion and a definition of the critical telomere length in human cells journal October 2007
The HHpred interactive server for protein homology detection and structure prediction journal July 2005
Dyskeratosis congenita: a genetic disorder of many faces journal November 2007
Structural basis for protein-RNA recognition in telomerase journal May 2014
Structure and Function of the Smallest Vertebrate Telomerase RNA from Teleost Fish journal November 2007
Resonance Assignment and Structure Determination for RNA book January 2002
Triple-Resonance Experiments for Correlation of H5 and Exchangeable Pyrimidine Base Hydrogens in 13C,15N-Labeled RNA journal August 1999
Crystal structure of the essential N-terminal domain of telomerase reverse transcriptase journal February 2006
The Telomerase Database journal December 2007
Direct Evidence for Watson−Crick Base Pairs in a Dynamic Region of RNA Structure journal August 2000
NMR structures of biomolecules using field oriented media and residual dipolar couplings journal November 2000
Mutations of the human telomerase RNA gene (TERC) in aplastic anemia and myelodysplastic syndrome journal August 2003
Two Purified Domains of Telomerase Reverse Transcriptase Reconstitute Sequence-specific Interactions with RNA journal February 2005
Functional analysis of the pseudoknot structure in human telomerase RNA journal April 2005
Mutations linked to dyskeratosis congenita cause changes in the structural equilibrium in telomerase RNA journal January 2003
Coot model-building tools for molecular graphics journal November 2004
Structural basis for telomerase catalytic subunit TERT binding to RNA template and telomeric DNA journal March 2010
The telomerase essential N-terminal domain promotes DNA synthesis by stabilizing short RNA-DNA hybrids journal May 2015
An emerging consensus for telomerase RNA structure journal October 2004
The architecture of Tetrahymena telomerase holoenzyme journal April 2013
Telomerase recognizes its template by using an adjacent RNA motif journal May 2002
Macromolecular Modeling with Rosetta journal June 2008
Finding the end: recruitment of telomerase to telomeres journal January 2013
Hayflick, his limit, and cellular ageing journal October 2000
MOLMOL: A program for display and analysis of macromolecular structures journal February 1996
Visualizing spatially correlated dynamics that directs RNA conformational transitions journal December 2007
The biogenesis and regulation of telomerase holoenzymes journal July 2006
Identification of Telomerase RNAs from Filamentous Fungi Reveals Conservation with Vertebrates and Yeasts journal March 2013
An enumerative stepwise ansatz enables atomic-accuracy RNA loop modeling journal December 2011
Molecular Mechanism of GTPase Activation at the Signal Recognition Particle (SRP) RNA Distal End journal October 2013
The Role of Coherence Transfer Efficiency in Design of TROSY-Type Multidimensional NMR Experiments journal August 1999
A free energy analysis of nucleic acid base stacking in aqueous solution journal October 1995
Telomerase and cancer therapeutics journal March 2008
Comprehensive Structure-Function Analysis of the Core Domain of Human Telomerase RNA journal September 2003
SWISS-MODEL: modelling protein tertiary and quaternary structure using evolutionary information journal April 2014
NMRPipe: A multidimensional spectral processing system based on UNIX pipes journal November 1995
Automated 3D structure composition for large RNAs journal April 2012
A mutation in T7 RNA polymerase that facilitates promoter clearance journal April 2005
Impact of static and dynamic A-form heterogeneity on the determination of RNA global structural dynamics using NMR residual dipolar couplings journal November 2006
Triple-helix structure in telomerase RNA contributes to catalysis journal May 2008
A molecular switch underlies a human telomerase disease journal December 2002
A self-regulating template in human telomerase journal June 2014
Improving NMR Structures of RNA journal May 2016
Structure of the Tribolium castaneum telomerase catalytic subunit TERT journal August 2008
Structurally conserved five nucleotide bulge determines the overall topology of the core domain of human telomerase RNA journal October 2010
Human Telomerase Activation Requires Two Independent Interactions between Telomerase RNA and Telomerase Reverse Transcriptase journal August 2000
Roles of Telomerase Reverse Transcriptase N-terminal Domain in Assembly and Activity of Tetrahymena Telomerase Holoenzyme journal February 2012
Insight into the CSA tensors of nucleobase carbons in RNA polynucleotides from solution measurements of residual CSA: Towards new long-range orientational constraints journal April 2006

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