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Items: 1 to 50 of 118

1.

Analysis of siRNA Precursors Generated by RNA Polymerase IV and RNA-Dependent RNA Polymerase 2 in Arabidopsis.

Blevins T, Podicheti R, Pikaard CS.

Methods Mol Biol. 2019;1933:33-48. doi: 10.1007/978-1-4939-9045-0_2.

PMID:
30945177
2.

Catalytic properties of RNA polymerases IV and V: accuracy, nucleotide incorporation and rNTP/dNTP discrimination.

Marasco M, Li W, Lynch M, Pikaard CS.

Nucleic Acids Res. 2017 Nov 2;45(19):11315-11326. doi: 10.1093/nar/gkx794.

3.

Mutation of Arabidopsis SMC4 identifies condensin as a corepressor of pericentromeric transposons and conditionally expressed genes.

Wang J, Blevins T, Podicheti R, Haag JR, Tan EH, Wang F, Pikaard CS.

Genes Dev. 2017 Aug 1;31(15):1601-1614. doi: 10.1101/gad.301499.117. Epub 2017 Sep 7.

4.

Functional Dissection of the Pol V Largest Subunit CTD in RNA-Directed DNA Methylation.

Wendte JM, Haag JR, Singh J, McKinlay A, Pontes OM, Pikaard CS.

Cell Rep. 2017 Jun 27;19(13):2796-2808. doi: 10.1016/j.celrep.2017.05.091.

5.

Hybrid incompatibility caused by an epiallele.

Blevins T, Wang J, Pflieger D, Pontvianne F, Pikaard CS.

Proc Natl Acad Sci U S A. 2017 Apr 4;114(14):3702-3707. doi: 10.1073/pnas.1700368114. Epub 2017 Mar 7.

6.

Targeting Argonaute to chromatin.

Wendte JM, Pikaard CS.

Genes Dev. 2016 Dec 15;30(24):2649-2650. doi: 10.1101/gad.294900.116.

7.

Selective nucleolus organizer inactivation in Arabidopsis is a chromosome position-effect phenomenon.

Mohannath G, Pontvianne F, Pikaard CS.

Proc Natl Acad Sci U S A. 2016 Nov 22;113(47):13426-13431. Epub 2016 Nov 7.

8.

Analysis of rRNA Gene Methylation in Arabidopsis thaliana by CHEF-Conventional 2D Gel Electrophoresis.

Mohannath G, Pikaard CS.

Methods Mol Biol. 2016;1455:183-202. doi: 10.1007/978-1-4939-3792-9_14.

9.

The RNAs of RNA-directed DNA methylation.

Wendte JM, Pikaard CS.

Biochim Biophys Acta Gene Regul Mech. 2017 Jan;1860(1):140-148. doi: 10.1016/j.bbagrm.2016.08.004. Epub 2016 Aug 10. Review.

10.

Identification of Nucleolus-Associated Chromatin Domains Reveals a Role for the Nucleolus in 3D Organization of the A. thaliana Genome.

Pontvianne F, Carpentier MC, Durut N, Pavlištová V, Jaške K, Schořová Š, Parrinello H, Rohmer M, Pikaard CS, Fojtová M, Fajkus J, Sáez-Vásquez J.

Cell Rep. 2016 Aug 9;16(6):1574-1587. doi: 10.1016/j.celrep.2016.07.016. Epub 2016 Jul 28.

11.

Chromosome-specific NOR inactivation explains selective rRNA gene silencing and dosage control in Arabidopsis.

Chandrasekhara C, Mohannath G, Blevins T, Pontvianne F, Pikaard CS.

Genes Dev. 2016 Jan 15;30(2):177-90. doi: 10.1101/gad.273755.115. Epub 2016 Jan 7.

12.

Identification of Pol IV and RDR2-dependent precursors of 24 nt siRNAs guiding de novo DNA methylation in Arabidopsis.

Blevins T, Podicheti R, Mishra V, Marasco M, Wang J, Rusch D, Tang H, Pikaard CS.

Elife. 2015 Oct 2;4:e09591. doi: 10.7554/eLife.09591.

13.

Subunit compositions of Arabidopsis RNA polymerases I and III reveal Pol I- and Pol III-specific forms of the AC40 subunit and alternative forms of the C53 subunit.

Ream TS, Haag JR, Pontvianne F, Nicora CD, Norbeck AD, Paša-Tolić L, Pikaard CS.

Nucleic Acids Res. 2015 Apr 30;43(8):4163-78. doi: 10.1093/nar/gkv247. Epub 2015 Mar 26.

14.

Epigenetic regulation in plants.

Pikaard CS, Mittelsten Scheid O.

Cold Spring Harb Perspect Biol. 2014 Dec 1;6(12):a019315. doi: 10.1101/cshperspect.a019315. Review.

15.

Functional diversification of maize RNA polymerase IV and V subtypes via alternative catalytic subunits.

Haag JR, Brower-Toland B, Krieger EK, Sidorenko L, Nicora CD, Norbeck AD, Irsigler A, LaRue H, Brzeski J, McGinnis K, Ivashuta S, Pasa-Tolic L, Chandler VL, Pikaard CS.

Cell Rep. 2014 Oct 9;9(1):378-390. doi: 10.1016/j.celrep.2014.08.067. Epub 2014 Oct 2.

16.

A two-step process for epigenetic inheritance in Arabidopsis.

Blevins T, Pontvianne F, Cocklin R, Podicheti R, Chandrasekhara C, Yerneni S, Braun C, Lee B, Rusch D, Mockaitis K, Tang H, Pikaard CS.

Mol Cell. 2014 Apr 10;54(1):30-42. doi: 10.1016/j.molcel.2014.02.019. Epub 2014 Mar 20.

17.

Subnuclear partitioning of rRNA genes between the nucleolus and nucleoplasm reflects alternative epiallelic states.

Pontvianne F, Blevins T, Chandrasekhara C, Mozgová I, Hassel C, Pontes OM, Tucker S, Mokros P, Muchová V, Fajkus J, Pikaard CS.

Genes Dev. 2013 Jul 15;27(14):1545-50. doi: 10.1101/gad.221648.113.

18.

Intersection of small RNA pathways in Arabidopsis thaliana sub-nuclear domains.

Pontes O, Vitins A, Ream TS, Hong E, Pikaard CS, Costa-Nunes P.

PLoS One. 2013 Jun 12;8(6):e65652. doi: 10.1371/journal.pone.0065652. Print 2013.

19.

A transcription fork model for Pol IV and Pol V-dependent RNA-directed DNA methylation.

Pikaard CS, Haag JR, Pontes OM, Blevins T, Cocklin R.

Cold Spring Harb Symp Quant Biol. 2012;77:205-12. doi: 10.1101/sqb.2013.77.014803. Epub 2013 Apr 8.

PMID:
23567894
20.

Methylating the DNA of the most repressed: special access required.

Pikaard CS.

Mol Cell. 2013 Mar 28;49(6):1021-2. doi: 10.1016/j.molcel.2013.03.013.

21.

In vitro transcription activities of Pol IV, Pol V, and RDR2 reveal coupling of Pol IV and RDR2 for dsRNA synthesis in plant RNA silencing.

Haag JR, Ream TS, Marasco M, Nicora CD, Norbeck AD, Pasa-Tolic L, Pikaard CS.

Mol Cell. 2012 Dec 14;48(5):811-8. doi: 10.1016/j.molcel.2012.09.027. Epub 2012 Nov 8.

22.

Spatial and functional relationships among Pol V-associated loci, Pol IV-dependent siRNAs, and cytosine methylation in the Arabidopsis epigenome.

Wierzbicki AT, Cocklin R, Mayampurath A, Lister R, Rowley MJ, Gregory BD, Ecker JR, Tang H, Pikaard CS.

Genes Dev. 2012 Aug 15;26(16):1825-36. doi: 10.1101/gad.197772.112. Epub 2012 Aug 1.

23.

Functional consequences of subunit diversity in RNA polymerases II and V.

Tan EH, Blevins T, Ream TS, Pikaard CS.

Cell Rep. 2012 Mar 29;1(3):208-14.

24.

Histone methyltransferases regulating rRNA gene dose and dosage control in Arabidopsis.

Pontvianne F, Blevins T, Chandrasekhara C, Feng W, Stroud H, Jacobsen SE, Michaels SD, Pikaard CS.

Genes Dev. 2012 May 1;26(9):945-57. doi: 10.1101/gad.182865.111.

25.

An atypical epigenetic mechanism affects uniparental expression of Pol IV-dependent siRNAs.

Mosher RA, Tan EH, Shin J, Fischer RL, Pikaard CS, Baulcombe DC.

PLoS One. 2011;6(10):e25756. doi: 10.1371/journal.pone.0025756. Epub 2011 Oct 7.

26.

Multisubunit RNA polymerases IV and V: purveyors of non-coding RNA for plant gene silencing.

Haag JR, Pikaard CS.

Nat Rev Mol Cell Biol. 2011 Jul 22;12(8):483-92. doi: 10.1038/nrm3152. Review.

PMID:
21779025
27.

Evolutionary history of plant multisubunit RNA polymerases IV and V: subunit origins via genome-wide and segmental gene duplications, retrotransposition, and lineage-specific subfunctionalization.

Tucker SL, Reece J, Ream TS, Pikaard CS.

Cold Spring Harb Symp Quant Biol. 2010;75:285-97. doi: 10.1101/sqb.2010.75.037. Epub 2011 Mar 29.

PMID:
21447813
28.

Extra views on RNA-dependent DNA methylation and MBD6-dependent heterochromatin formation in nucleolar dominance.

Costa-Nunes P, Pontes O, Preuss SB, Pikaard CS.

Nucleus. 2010 May-Jun;1(3):254-9. doi: 10.4161/nucl.1.3.11741. Epub 2010 Mar 2.

29.

Nucleolin is required for DNA methylation state and the expression of rRNA gene variants in Arabidopsis thaliana.

Pontvianne F, Abou-Ellail M, Douet J, Comella P, Matia I, Chandrasekhara C, Debures A, Blevins T, Cooke R, Medina FJ, Tourmente S, Pikaard CS, Sáez-Vásquez J.

PLoS Genet. 2010 Nov 24;6(11):e1001225. doi: 10.1371/journal.pgen.1001225.

30.

Arabidopsis Histone Lysine Methyltransferases.

Pontvianne F, Blevins T, Pikaard CS.

Adv Bot Res. 2010 Jan 1;53:1-22.

31.

Mechanisms of HDA6-mediated rRNA gene silencing: suppression of intergenic Pol II transcription and differential effects on maintenance versus siRNA-directed cytosine methylation.

Earley KW, Pontvianne F, Wierzbicki AT, Blevins T, Tucker S, Costa-Nunes P, Pontes O, Pikaard CS.

Genes Dev. 2010 Jun 1;24(11):1119-32. doi: 10.1101/gad.1914110.

32.

An RNA polymerase II- and AGO4-associated protein acts in RNA-directed DNA methylation.

Gao Z, Liu HL, Daxinger L, Pontes O, He X, Qian W, Lin H, Xie M, Lorkovic ZJ, Zhang S, Miki D, Zhan X, Pontier D, Lagrange T, Jin H, Matzke AJ, Matzke M, Pikaard CS, Zhu JK.

Nature. 2010 May 6;465(7294):106-9. doi: 10.1038/nature09025. Epub 2010 Apr 21.

33.

Nucleolar dominance and ribosomal RNA gene silencing.

Tucker S, Vitins A, Pikaard CS.

Curr Opin Cell Biol. 2010 Jun;22(3):351-6. doi: 10.1016/j.ceb.2010.03.009. Epub 2010 Apr 12.

34.

Chromosome and DNA methylation dynamics during meiosis in the autotetraploid Arabidopsis arenosa.

Carvalho A, Delgado M, Barão A, Frescatada M, Ribeiro E, Pikaard CS, Viegas W, Neves N.

Sex Plant Reprod. 2010 Mar;23(1):29-37. doi: 10.1007/s00497-009-0115-2. Epub 2009 Sep 16.

PMID:
20165961
35.

RNA-silencing enzymes Pol IV and Pol V in maize: more than one flavor?

Pikaard CS, Tucker S.

PLoS Genet. 2009 Nov;5(11):e1000736. doi: 10.1371/journal.pgen.1000736. Epub 2009 Nov 20. No abstract available.

36.

RNA polymerase V functions in Arabidopsis interphase heterochromatin organization independently of the 24-nt siRNA-directed DNA methylation pathway.

Pontes O, Costa-Nunes P, Vithayathil P, Pikaard CS.

Mol Plant. 2009 Jul;2(4):700-710. doi: 10.1093/mp/ssp006. Epub 2009 Mar 24.

37.

Phytochrome B and histone deacetylase 6 control light-induced chromatin compaction in Arabidopsis thaliana.

Tessadori F, van Zanten M, Pavlova P, Clifton R, Pontvianne F, Snoek LB, Millenaar FF, Schulkes RK, van Driel R, Voesenek LA, Spillane C, Pikaard CS, Fransz P, Peeters AJ.

PLoS Genet. 2009 Sep;5(9):e1000638. doi: 10.1371/journal.pgen.1000638. Epub 2009 Sep 4.

38.

Heterochromatic siRNAs and DDM1 independently silence aberrant 5S rDNA transcripts in Arabidopsis.

Blevins T, Pontes O, Pikaard CS, Meins F Jr.

PLoS One. 2009 Jun 16;4(6):e5932. doi: 10.1371/journal.pone.0005932.

39.

An effector of RNA-directed DNA methylation in arabidopsis is an ARGONAUTE 4- and RNA-binding protein.

He XJ, Hsu YF, Zhu S, Wierzbicki AT, Pontes O, Pikaard CS, Liu HL, Wang CS, Jin H, Zhu JK.

Cell. 2009 May 1;137(3):498-508. doi: 10.1016/j.cell.2009.04.028.

40.

RNA polymerase V transcription guides ARGONAUTE4 to chromatin.

Wierzbicki AT, Ream TS, Haag JR, Pikaard CS.

Nat Genet. 2009 May;41(5):630-4. doi: 10.1038/ng.365. Epub 2009 Apr 19.

41.

Metal A and metal B sites of nuclear RNA polymerases Pol IV and Pol V are required for siRNA-dependent DNA methylation and gene silencing.

Haag JR, Pontes O, Pikaard CS.

PLoS One. 2009;4(1):e4110. doi: 10.1371/journal.pone.0004110. Epub 2009 Jan 1.

42.

Subunit compositions of the RNA-silencing enzymes Pol IV and Pol V reveal their origins as specialized forms of RNA polymerase II.

Ream TS, Haag JR, Wierzbicki AT, Nicora CD, Norbeck AD, Zhu JK, Hagen G, Guilfoyle TJ, Pasa-Tolić L, Pikaard CS.

Mol Cell. 2009 Jan 30;33(2):192-203. doi: 10.1016/j.molcel.2008.12.015. Epub 2008 Dec 24.

43.

Multimegabase silencing in nucleolar dominance involves siRNA-directed DNA methylation and specific methylcytosine-binding proteins.

Preuss SB, Costa-Nunes P, Tucker S, Pontes O, Lawrence RJ, Mosher R, Kasschau KD, Carrington JC, Baulcombe DC, Viegas W, Pikaard CS.

Mol Cell. 2008 Dec 5;32(5):673-84. doi: 10.1016/j.molcel.2008.11.009.

44.

Noncoding transcription by RNA polymerase Pol IVb/Pol V mediates transcriptional silencing of overlapping and adjacent genes.

Wierzbicki AT, Haag JR, Pikaard CS.

Cell. 2008 Nov 14;135(4):635-48. doi: 10.1016/j.cell.2008.09.035.

45.

ROS3 is an RNA-binding protein required for DNA demethylation in Arabidopsis.

Zheng X, Pontes O, Zhu J, Miki D, Zhang F, Li WX, Iida K, Kapoor A, Pikaard CS, Zhu JK.

Nature. 2008 Oct 30;455(7217):1259-62. doi: 10.1038/nature07305. Epub 2008 Sep 24.

46.

Sex-biased lethality or transmission of defective transcription machinery in Arabidopsis.

Onodera Y, Nakagawa K, Haag JR, Pikaard D, Mikami T, Ream T, Ito Y, Pikaard CS.

Genetics. 2008 Sep;180(1):207-18. doi: 10.1534/genetics.108.090621. Epub 2008 Aug 24. Erratum in: Genetics. 2009 Jan;181(1):353.

47.

Roles of RNA polymerase IV in gene silencing.

Pikaard CS, Haag JR, Ream T, Wierzbicki AT.

Trends Plant Sci. 2008 Jul;13(7):390-7. doi: 10.1016/j.tplants.2008.04.008. Review.

48.

siRNA and miRNA processing: new functions for Cajal bodies.

Pontes O, Pikaard CS.

Curr Opin Genet Dev. 2008 Apr;18(2):197-203. doi: 10.1016/j.gde.2008.01.008. Epub 2008 Mar 11. Review.

49.

RNA polymerase I: a multifunctional molecular machine.

Haag JR, Pikaard CS.

Cell. 2007 Dec 28;131(7):1224-5.

50.

Relationships between transcription, silver staining, and chromatin organization of nucleolar organizers in Secale cereale.

Caperta AD, Neves N, Viegas W, Pikaard CS, Preuss S.

Protoplasma. 2007;232(1-2):55-9. Epub 2007 Dec 24.

PMID:
18157499

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