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Fatica T, Naas T, Liwak U, Slaa H, Souaid M, Frangione B, Kattini R, Gaudreau-Lapierre A, Trinkle-Mulcahy L, Chakraborty P, Holcik M. TRNT-1 deficiency is associated with loss of tRNA integrity and imbalance of distinct proteins. Genes 14(5) 1043, 2023.


Gaudreau-Lapierre A, Klonisch T, Nicolas H, Thanasupawat T, Trinkle-Mulcahy L*, Hombach-Klonisch S*. Nuclear High Mobility Group A2 (HMGA2) interactome revealed by biotin proximity labeling. International Journal of Molecular Sciences. 24(4): 4246- 4265, 2023. 

Mehta V, Decan N, Ooi S, Gaudreau-Lapierre A, Copeland J, Trinkle-Mulcahy L. SPECC1L binds MYPT1/PP1b and can regulate its distribution between microtubules and filamentous actin. J Biol Chem 299(2): 102893-102911, 2023. 


Srivastava G, Bajaj R, Kumar GS, Gaudreau-Lapierre A, Nicolas H, Chamousset D, Kreitler D, Peti W, Trinkle-Mulcahy L*, Page R*. The Ribosomal RNA Processing 1B:Protein Phosphatase 1 Holoenzyme reveals novel PP1 interaction motifs. Cell Reports 41(9): 1-13, 2022

Fox SJ, Tran A, Trinkle-Mulcahy L, Copeland JW. Cooperative assembly of filopodia by FMNL2 and IRTKS. J Biol Chem 298(11): 102512-102524, 2022.


Gaudreau-Lapierre A, Trinkle-Mulcahy L. BioID organelle mapping: you are the company you keep. Trends Biochem Sci. 2021 DEc;46(12)950-952.

Gaudreau-Lapierre A, Trinkle-Mulcahy L. Expansion microscopy-based imaging of nuclear structures in cultured cells. STAR Protoc. 2021 Jun 26;2(3):100630.



Do TQ, Gaudreau-Lapierre A, Palii CG, Resende VMF, Campuzano D, Aeschimann CS, Brand M, Trinkle-Mulcahy L. A Nuclear Stress Pathway that Parallels Cytoplasmic Stress Granule Formation. iScience. 2020 Oct 13;23(11):101664. 

Landsverk HB, Sandquist LE, Bay LTE, Steurer B, Campsteijn C, Landsverk OJB, Marteijn JA, Petermann E, Trinkle-Mulcahy L, Syljuåsen RG. WDR82/PNUTS-PP1 Prevents Transcription-Replication Conflicts by Promoting RNA Polymerase II Degradation on Chromatin. Cell Rep. 2020 Dec 1;33(9):108469. 

Morettin A, Bourassa J, Mahadevan K, Trinkle-Mulcahy L, Cote J. Using affinity purification coupled with stable isotope labeling by amino acids in cell culture quantitative mass spectrometry to identify novel interactors/substrates of protein arginine methyltransferases. Methods. 2020 Mar 15;175:44-52. 



Trinkle-Mulcahy L.  Recent advances in proximity-based labeling methods for interactome mapping. F1000 Res 2019. 8:F1000 Faculty Rev-135. 


Haghandish N, Baldwin RM, Morettin A, Dawit HT, Adhikary H, Masson JY, Mazroui R, Trinkle-Mulcahy L  , Côté J. PRMT7 Methylates Eukaryotic Translation Initiation Factor 2a and Regulates its Role in Stress Granule Formation. Mol Biol Cell. 2019 30(6):778-793.

Landsverk HB, Sandquist LE, Sridhara SC, Rødland GE, Sabino JC, de Almeida SF, Grallert B, Trinkle-Mulcahy L  , Syljuåsen RG. Regulation of ATR activity via the RNA polymerase II associated factors CDC73 and PNUTS-PP1.Nucleic Acids Res. 2018 47(4):1797-1813.


Copeland SJ, McRae A, Guarguaglini G, Trinkle-Mulcahy L, Copeland JW. Actin-dependent regulation of cilia length by the inverted formin FHDC1.Mol Biol Cell 29:1611-27, 2018.

Kim KS, Marcogliese PC, Yang J, Callaghan SM, Resende V, Abdel-Messih E, Marras C, Visanji NP, Huang J, Schlossmacher MG, Trinkle-Mulcahy L, Slack RS, Lang AE; Canadian Lrrk2 in Inflammation Team (CLINT), Park DS.Regulation of myeloid cell phagocytosis by LRRK2 via WAVE2 complex stabilization is altered in Parkinson's disease. Proc Natl Acad Sci 115:E5164-73, 2018.

Yeung B, Khanal P, Mehta V, Trinkle-Mulcahy L, Yang X. Identification of Cdk1-LATS-Pin1 as a Novel Signaling Axis in Anti-tubulin Drug Response of Cancer Cells. Mol Cancer Res 16:1035-45, 2018.



Trinkle-Mulcahy L. Nucleolus: The Consummate Nuclear Body. Nuclear Architecture and Dynamics. Ed. Lavelle, C and Victo, J-M. Academic.


Dhaliwal J, Trinkle-Mulcahy L and Lagace, DC. Autophagy and Adult Neurogenesis: Discoveries Made Half a Century Ago Yet in their Infancy of being Connected. Brain Plast. 3:99-110, 2017. 

Trinkle-Mulcahy L. Mapping New Residents of the Mitochondrial Nucleoid. Cell Chem Biol. 24:250-251, 2017. 

Nasa I, Trinkle-Mulcahy L, Douglas P, Chaudhuri S, Lees-Miller SP, Lee KS, Moorhead GB. Recruitment of PP1 to the centrosomal scaffold protein CEP192. Biochem Biophys Res Commun 484:864-70, 2017.

Nguyen TT, Savory JG, Brooke-Bisschop T, Ringuette R, Foley T, Hess BL, Mulatz K, Trinkle-Mulcahy L, Lohnes D. Cdx2 Regulates Gene Expression through Recruitment of Brg1-associated Switch-Sucrose Non-fermentable (SWI-SNF) Chromatin Remodeling Activity .J Biol Chem 292:3389-99, 2017.


Trinkle-Mulcahy L and Sleeman, JE..The Cajal Body and the Nucleolus: "In a Relationship" or "It's Complicated"?.RNA Biol.14:739-51, 2016.

Audas TE, Audas DE, Jacob MD, Ho JJ, Khacho M, Wang M, Perera JK, Gardiner C, Bennett CA, Head T, Kryvenko ON, Jorda M, Daunert S, Malhotra A, Trinkle-Mulcahy L, Gonzalgo ML, Lee S. Adaptation to Stressors by Systemic Protein Amyloidogenesis. Dev Cell 39:155-168, 2016.


Mehta V and Trinkle-Mulcahy L. Recent advances in large-scale protein interactome mapping. F1000Res 5:782, 2016.



Ard R, Mulatz K, Pomoransky JL, Parks RJ, Trinkle-Mulcahy L, Bell JC, Gee SH. Regulation of Macropinocytosis by Diacylglycerol Kinase ζ. PLoS One. 10:e0144942, 2015

Hennig S, Kong G, Mannen T, Sadowska A, Kobelke S, Blythe A, Knott GJ, Iyer KS, Ho D, Newcombe EA, Hosoki K, Goshima N, Kawaguchi T, Hatters D, Trinkle-Mulcahy L, Hirose T, Bond CS, Fox AH.Prion-like domains in RNA binding proteins are essential for building subnuclear paraspeckles. J Cell Biol. 210:529-39, 2015.

Platani M, Trinkle-Mulcahy L, Porter M, Jeyaprakash AA, Earnshaw WC. Mio depletion links mTOR regulation to Aurora A and Plk1 activation at mitotic centrosomes.J Cell Biol.21:45-62, 2015.

Douglas P, Ye R, Morrice N, Britton S, Trinkle-Mulcahy L, Lees-Miller SP. Phosphorylation of SAF-A/hnRNP-U serine 59 by polo-like kinase 1 (PLK1) is required for mitosis. Mol Cell Biol.35:2699-713, 2015.

Lam, YW, Trinkle-Mulcahy, L. New insights into nucleolar structure and function. F1000Prime Rep 2015, 7:48.

Baldwin RM, Bejide, M, Trinkle-Mulcahy L, Côté, J.Identification of the prmt1v1 and prmt1v2 specific interactomes by quantitative mass spectrometry in breast cancer cells. Proteomics 15:2187-97, 2015.

Fox, A, Mehta, V, Boulon, S, Trinkle-Mulcahy, L. Extracting, enriching, and identifying nuclear body sub-complexes using label-based quantitative mass spectrometry. Methods Mol Biol.1262:215-38, 2015.


De Wever V, Nasa I, Chamousset D, Lloyd D, Nimick M, Xu H, Trinkle-Mulcahy L, Moorhead GB.The human mitotic kinesin KIF18A binds protein phosphatase 1 (PP1) through a highly conserved docking motif. Biochem Biophys Res Commun. 453:432-7, 2014.

Patten DA, Wong J, Khacho M, Soubannier V, Mailloux RJ, Pilon-Larose K, MacLaurin JG, Park DS, McBride HM, Trinkle-Mulcahy L, Harper ME, Germain M, Slack RS. OPA1-dependent cristae modulation is essential for cellular adaptation to metabolic demand. EMBO J. 33:2676-91, 2014.

Lariviére, N, Law, J and Trinkle-Mulcahy, L. Dissection of a Novel Autocrine Signaling Pathway via Quantitative Secretome and Interactome Mapping. J. Proteome Res. 13:3432-43, 2014.

Douglas, P, Ye, R,  Trinkle-Mulcahy, L, Neal, JA, De Wever, V, Morrice, NA, Meek, K, Lees-Miller, SP .Polo-like kinase 1 (PLK1) and protein phosphatase 6 (PP6) regulate DNA-dependent protein kinase catalytic subunit (DNA-PKcs) phosphorylation in mitosis. Biosci Rep 34:e00113, 2014 

Sleeman, JE and Trinkle-Mulcahy, L. Nuclear bodies: new insights into assembly/dynamics and disease relevance. Curr Op Cell Biol.28:76-83, 2014.

Prescott, AR, Bales, A, James, J, Trinkle-Mulcahy, L, Sleeman, JE. Time-resolved quantitative proteomics implicates the core snRNP protein, SmB, together with the Survival of Motor Neuron protein, in neural trafficking.J Cell Science 127:812-27, 2014.


Jacob MD, Audas TE, Uniacke J, Trinkle-Mulcahy L, Lee S.Environmental Cues Induce a Long Noncoding RNA-dependent Remodeling of the Nucleolus. Mol Biol Cell. 24:2943-53, 2013.

Mehta, V., Trinkle-Mulcahy, L. Novel methods for studying multiprotein complexes in vivo. F1000 Prime Rep. 5:30, 2013.

Prévost, M., Chamousset, D., Nasa, I., Freele, E., Morrice, N., Moorhead, G., Trinkle-Mulcahy, L.Quantitative fragmentome mapping reveals novel, domain-specific partners for the modular protein RepoMan. Mol Cell Proteomics 12:1468-86, 2013.


Skene-Arnold TD, Luu HA, Uhrig G, De Wever V, Nimick M, Maynes J, Fong A, James MN, Trinkle-Mulcahy L, Moorhead GB, Holmes CF. Molecular mechanisms underlying the interaction of Protein Phosphatase-1c with apoptotic ASPP proteins. Biochem J. 449:649-59, 2012.

De Wever V, Lloyd DC, Nasa I, Nimick M, Trinkle-Mulcahy L, Gourlay R, Morrice N, Moorhead GB. Isolation of human mitotic protein phosphatase complexes: identification of a complex between protein phosphatase 1 and the RNA helicase Ddx21 PLoS One. 7(6):e39510, 2012.

Trinkle-Mulcahy L .Resolving protein interactions and complexes by affinity purification followed by label-based quantitative mass spectrometry.Proteomics.12:1623-38, 2012.

Swift, S. and Trinkle-Mulcahy, L. To bin or not to bin: Balancing the trade-off between signal intensity, spatial and time resolution in biological imaging In Focus 26:5-14.



Ferrar, T., Chamousset, D., De Wever, V., Nimick, M., Andersen, J., Trinkle-Mulcahy, L. and Moorhead, GL. Taperin (c9orf75), a mutated gene in nonsyndromic deafness, encodes a vertebrate specific, nuclear localized protein phosphatase one alpha (PP1α) docking protein. Biology Open1:128-139, 2011.


Chamousset, D., De Wever, V., Moorhead, G., Chen, Y., Boisvert, F.M., Lamond, A.I. and Trinkle-Mulcahy, L. RRP1B targets PP1 to mammalian cell nucleoli and is associated with pre-60S ribosomal subunits. Mol. Biol. Cell 21:4212-26, 2010.

Schmitz MH, Held M, Janssens V, Hutchins JR, Hudecz O, Ivanova E, Goris J, Trinkle-Mulcahy L, Lamond AI, Poser I, Hyman AA, Mechtler K, Peters JM, Gerlich DW .Live-cell imaging RNAi screen identifies PP2A-B55alpha and importin-beta1 as key mitotic exit regulators in human cells. Nat Cell Biol 12:886-93, 2010.


Chamousset D, Mamane S, Boisvert FM, Trinkle-Mulcahy L .Efficient extraction of nucleolar proteins for interactome analyses .Proteomics 10:3045-50, 2010. 


Boulon S, Ahmad Y, Trinkle-Mulcahy L, Verheggen C, Cobley A, Gregor P, Bertrand E, Whitehorn M, Lamond A. Establishment of a protein frequency library and its application in the reliable identification of specific protein interaction partners. Mol Cell Proteomics 9:861-79, 2010. 


On the Up: Ontario has always been known for its groundbreaking science - now get ready for its biotech.The Scientist 24:9-13, 2010.


Trinkle-Mulcahy L. Aberrant mRNA transcripts and nonsense-mediated decay F1000 Biology Reports. 1:93, 2009.

Postdoctoral and postgraduate work:


Trinkle-Mulcahy L., Boulon S., Lam Y.W., Urcia R., Boisvert F.M., Vandermoere F., Morrice N.A., Swift S., Rothbauer U., Leonhardt H. and Lamond A.I. Identifying specific protein interaction partners using quantitative mass spectrometry and bead proteomes. J Cell Biol. 183:223-39, 2008.

Moorhead GB, Trinkle-Mulcahy L, Nimick M, De Wever V, Campbell DG, Gourlay R, Lam YW, Lamond AI. Moorhead GB, Trinkle-Mulcahy L, Nimick M, De Wever V, Campbell DG, Gourlay R, Lam YW, Lamond AI .Displacement affinity chromatography of protein phosphatase 1 (PP1) complexes. BMC Biochem. 9:28, 2008.

Trinkle-Mulcahy, L. and Lamond, A.I. Nuclear functions in space and time: Gene expression in a dynamic, constrained environment. FEBS Lett. 582:1960-70, 2008.


Trinkle-Mulcahy, L. and Lamond, A.I. Toward a high-resolution view of nuclear dynamics. Science. 318:1402-07, 2007.

Trinkle-Mulcahy, L. and Swift, S. Caught on camera with another protein - Just good friends or something more? A Guide to Localization, Colocalization and Interaction on the Light Microscope. In Focus (Proceedings of the Royal Microscopy Society), 8:4-15, 2007.

Moorhead, G.B.G., Trinkle-Mulcahy, L. and Ulke-Lemee, A. Emerging roles of nuclear protein phosphatases. Nat. Rev. Mol. Cell Biol. 3:234-44, 2007.

Ulke-Lemée A, Trinkle-Mulcahy L, Chaulk S, Bernstein NK, Morrice N, Glover M, Lamond AI and Moorhead GB. The nuclear PP1 interacting protein ZAP3 (ZAP) is a putative nucleoside kinase that complexes with SAM68, CIA, NF110/45, and HNRNP-G. Biochim Biophys Acta. 10:1339-50, 2007.


Trinkle-Mulcahy, L., Andersen, J., Lam, Y.W., Moorhead, G., Mann, M. and Lamond, A.I. Repo-Man recruits PP1γ to chromatin and is essential for cell viability. J. Cell Biol. 172:679-92, 2006.

 Vagnarelli, P., Hudson, D.F., Ribeiro, S.A., Trinkle-Mulcahy, L., Spence, J.M., Lai, F., Farr, C.J., Lamond, A.I. and Earnshaw, W.C.. Condensin and Repo-Man/PP1 co-operate in the regulation of chromosome architecture during mitosis. Nat. Cell Biol. 8:1133-42, 2006.

 Trinkle-Mulcahy, L. and Lamond, A.I. Mitotic phosphatases: no longer silent partners. Current Opinion in Cell Biology. 18:623-31, 2006.

 Leung, A.K., Trinkle-Mulcahy, L., Lam, Y.W., Andersen, J.S., Mann, M. and Lamond, A.I. NoPdb: Nucleolar Proteome Database. Nucleic Acids Res. 34:D218-20, 2006.

Trinkle-Mulcahy, L., Chusainow, J., Lam, Y.W., Swift, S. and Lamond, A.I. Visualization of intracellular PP1 targeting through transiently and stably expressed fluorescent protein fusions. Methods in Molecular Biology. Vol.. 365:133-54; Protein Phosphatase Protocols, Ed. G. Moorhead, Humana Press, 2006.


 Lam, Y.W., Trinkle-Mulcahy, L. and Lamond, A.I. The Nucleolus. J. Cell Sci., 118:1335-1337, 2005.

Swift, S.R., Thomson, C., Appleton, P., Lam, Y.W. and L. Trinkle-Mulcahy. Basic principles deconvolution microscopy. Proc. Royal Mic. Soc., 40, 2005.


 Chusainow, J.C., Ajuh, P.M., Trinkle-Mulcahy, L., Sleeman, J.E., Ellenberg, J. and Angus I. Lamond. "FRET analyses of the U2AF complex localize the U2AF35/U2AF65 interaction in vivo and reveal a novel self-interaction of U2AF35" RNA, 11:1201-14, 2005


Swift, S.R. and L. Trinkle-Mulcahy. Basic principles of FRAP, FLIM and FRET. Proc. Royal Mic. Soc., 39:3-10, 2004.


Trinkle-Mulcahy, L., Andrews, P.D., Wickramasinghe, S., Sleeman, J., Prescott, A., Lam, Y.W., Lyon, C., Swedlow, J.R. and Lamond, A.I. Time-lapse imaging reveals dynamic relocalization of PP1γ throughout the mammalian cell cycle. Mol. Biol. Cell, 14:107-117, 2003.


Sleeman, J.E., Trinkle-Mulcahy, L., Prescott, A., Ogg, S.C. and Angus I. Lamond. "Cajal body proteins SMN and Coilin show differential dynamic behaviour in vivo" J. Cell Sci., 116:2039-2050, 2003.



Kimber, W.A., Trinkle-Mulcahy, L., Cheung, P.C.F., Deak, M., Marsden, L.J., Kieloch, A., Watt, S., Javiers, R.T., Gray, A., Downes, C.P., Lucocq, J.M. and Alessi, D.R. "Evidence that the tandem-pleckstrin-homology-domain-containing-protein TAPP1 interacts with Ptd(3,4)P2 and the multi-PDZ-domain-containing protein MUPP1 in vivo." Biochem. J., 361:525-536, 2002.


Trinkle-Mulcahy, L., Sleeman, J.E. and Lamond, A.I. Dynamic targeting of protein phosphatase 1 within the nuclei of living mammalian cells. J. Cell Science. 114:4219-4228, 2001. 

 Miller, G., Panov, K.I., Friedrich, J.K., Trinkle-Mulcahy, L., Lamond, A.I. and Zomerdijk, J.C.B.M. hRRN3 is essential in the SL1-mediated recruitment of RNA Polymerase I to rRNA gene promoters. EMBO J. 20:1373-1382, 2001. 

 Cheung, P.C.F., Trinkle-Mulcahy, L., Cohen, P. and Lucocq, J. M. Characterisation of a novel phosphatidylinositol 3-phosphate-binding protein containing two FYVE fingers in tandem that is targeted to the Golgi. Biochem. J. 355:113-121, 2001.



Trinkle-Mulcahy, L., Ajuh, P., Prescott, A., Cohen, S., Claverie-Martin, F., Lamond, A.I. and Cohen, P. Nuclear organisation of NIPP-1, a nuclear subunit of protein phosphatase 1 that associates with pre-mRNA splicing factors. J. Cell Science. 112:157-168, 1999. 

 Chang, A.C.YU., Sohlberg, B., Trinkle-Mulcahy, L., Claverie-Martin, F., Cohen, P. and Cohen, S.N. Alternative splicing regulates the production of ARD-1 endoribonuclease and NIPP-1, an inhibitor of protein phosphatase-1, as isoforms encoded by the same gene. Gene. 240:45-55, 1999.



Kreivi, J.-P., Trinkle-Mulcahy, L., Lyon, C.E., Morrice, N.A., Cohen, P. and Lamond, A.I. Purification and characterisation of p99, a nuclear modulator of protein phosphatase 1 activity. FEBS Lett. 420:57-62, 1997.

Siegman, M.J., Mooers, S.U., Li, C., Narayan, S., Trinkle-Mulcahy, L., Hartshorne, D.J., and Butler, T.M. Phosphorylation of a high molecular weight (~600 kDa) protein regulates catch in invertebrate smooth muscle. J. Mus. Res. Cell Motility. 18: 655-670, 1997.

Siegman, M.J., Butler, T.M. Mooers, S.U., Trinkle-Mulcahy, L., Narayan, S., Stirewalt, W., and Starcher, B. Hypertrophy of colonic smooth muscle: structural remodeling, chemical composition and force output. Am. J. Physiol. 272: G1560-G1570, 1997.

Siegman, M.J., Butler, T.M., Mooers, S.U., Trinkle-Mulcahy, L., Narayan, S., Adam, L., Chacko, S., Haase, H., and Morano, I. Hypertrophy of colonic smooth muscle: contractile proteins, shortening velocity and regulation. Am. J. Physiol. 272:G1571-G1580, 1997.



Trinkle-Mulcahy, L., Ichikawa, K., Hartshorne, D.J., Siegman, M.J., and Butler T.M. Thiophosphorylation of the 130 kDa subunit is associated with a decreased activity of myosin light chain phosphatase in alpha-toxin-permeabilized smooth muscle. J. Biol. Chem. 270:18191-18194, 1995.


Trinkle-Mulcahy, L., M.J. Siegman and T.M. Butler. Metabolic characteristics of alpha-toxin permeabilized smooth muscle. Am. J. Physiol. 266:C1673-C1683, 1994.



Trinkle, L.A., D. Beasley and R.S. Moreland. Interleukin-1beta alters actin expression and inhibits contraction of rat thoracic aorta. Am. J. Physiol. 262:C828-C833, 1992. 

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