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Formation of a Copper(II)-Tyrosyl Complex at the Active Site of Lytic Polysaccharide Monooxygenases Following Oxidation by H2O2.

Paradisi A, Johnston EM, Tovborg M, Nicoll CR, Ciano L, Dowle A, McMaster J, Hancock Y, Davies GJ, Walton PH.

J Am Chem Soc. 2019 Nov 12. doi: 10.1021/jacs.9b09833. [Epub ahead of print]


Discovery, activity and characterisation of an AA10 lytic polysaccharide oxygenase from the shipworm symbiont Teredinibacter turnerae.

Fowler CA, Sabbadin F, Ciano L, Hemsworth GR, Elias L, Bruce N, McQueen-Mason S, Davies GJ, Walton PH.

Biotechnol Biofuels. 2019 Sep 30;12:232. doi: 10.1186/s13068-019-1573-x. eCollection 2019.


Process evaluation of specialist nurse implementation of a soft opt-out organ donation system in Wales.

Noyes J, Mclaughlin L, Morgan K, Roberts A, Moss B, Stephens M, Walton P.

BMC Health Serv Res. 2019 Jun 24;19(1):414. doi: 10.1186/s12913-019-4266-z.


Designing a co-productive study to overcome known methodological challenges in organ donation research with bereaved family members.

Noyes J, Mclaughlin L, Morgan K, Roberts A, Stephens M, Bourne J, Houlston M, Houlston J, Thomas S, Rhys RG, Moss B, Duncalf S, Lee D, Curtis R, Madden S, Walton P.

Health Expect. 2019 Aug;22(4):824-835. doi: 10.1111/hex.12894. Epub 2019 May 6.


Short-term impact of introducing a soft opt-out organ donation system in Wales: before and after study.

Noyes J, McLaughlin L, Morgan K, Walton P, Curtis R, Madden S, Roberts A, Stephens M.

BMJ Open. 2019 Apr 3;9(4):e025159. doi: 10.1136/bmjopen-2018-025159.


Production and spectroscopic characterization of lytic polysaccharide monooxygenases.

Hemsworth GR, Ciano L, Davies GJ, Walton PH.

Methods Enzymol. 2018;613:63-90. doi: 10.1016/bs.mie.2018.10.014. Epub 2018 Nov 15.


Dear Editor.

McGlone ER, Khan OA, Maynard W, Hopkins J, Dexter S, Finlay I, Hewin D, Sedman P, Walton P, Somers S, Reddy M, Small P, Adamo M, Welbourn R.

Surg Obes Relat Dis. 2018 Nov;14(11):1789-1790. doi: 10.1016/j.soard.2018.09.001. Epub 2018 Sep 7. No abstract available.


Bariatric Surgery Worldwide: Baseline Demographic Description and One-Year Outcomes from the Fourth IFSO Global Registry Report 2018.

Welbourn R, Hollyman M, Kinsman R, Dixon J, Liem R, Ottosson J, Ramos A, Våge V, Al-Sabah S, Brown W, Cohen R, Walton P, Himpens J.

Obes Surg. 2019 Mar;29(3):782-795. doi: 10.1007/s11695-018-3593-1. Epub 2018 Nov 12.


Structure and function of a glycoside hydrolase family 8 endoxylanase from Teredinibacter turnerae.

Fowler CA, Hemsworth GR, Cuskin F, Hart S, Turkenburg J, Gilbert HJ, Walton PH, Davies GJ.

Acta Crystallogr D Struct Biol. 2018 Oct 1;74(Pt 10):946-955. doi: 10.1107/S2059798318009737. Epub 2018 Oct 2.


Structural studies of the unusual metal-ion site of the GH124 endoglucanase from Ruminiclostridium thermocellum.

Urresti S, Cartmell A, Liu F, Walton PH, Davies GJ.

Acta Crystallogr F Struct Biol Commun. 2018 Aug 1;74(Pt 8):496-505. doi: 10.1107/S2053230X18006842. Epub 2018 Aug 1.


Single-stage conversions from failed gastric band to sleeve gastrectomy versus Roux-en-Y gastric bypass: results from the United Kingdom National Bariatric Surgical Registry.

Khan OA, McGlone ER, Maynard W, Hopkins J, Dexter S, Finlay I, Hewin D, Sedman P, Walton P, Somers S, Reddy M, Small P, Adamo M, Welbourn R.

Surg Obes Relat Dis. 2018 Oct;14(10):1516-1520. doi: 10.1016/j.soard.2018.06.017. Epub 2018 Jun 30.


Islam and Motivation to Quit Smoking: Public Health Policy Implications.

Alturki K, Hamza A, Walton P.

J Relig Health. 2018 Jun 12. doi: 10.1007/s10943-018-0649-4. [Epub ahead of print]


Obesity surgery makes patients healthier and more functional: real world results from the United Kingdom National Bariatric Surgery Registry.

Miras AD, Kamocka A, Patel D, Dexter S, Finlay I, Hopkins JC, Khan O, Reddy M, Sedman P, Small P, Somers S, Cro S, Walton P, le Roux CW, Welbourn R.

Surg Obes Relat Dis. 2018 Jul;14(7):1033-1040. doi: 10.1016/j.soard.2018.02.012. Epub 2018 Feb 15.


An ancient family of lytic polysaccharide monooxygenases with roles in arthropod development and biomass digestion.

Sabbadin F, Hemsworth GR, Ciano L, Henrissat B, Dupree P, Tryfona T, Marques RDS, Sweeney ST, Besser K, Elias L, Pesante G, Li Y, Dowle AA, Bates R, Gomez LD, Simister R, Davies GJ, Walton PH, Bruce NC, McQueen-Mason SJ.

Nat Commun. 2018 Feb 22;9(1):756. doi: 10.1038/s41467-018-03142-x.


Lytic xylan oxidases from wood-decay fungi unlock biomass degradation.

Couturier M, Ladevèze S, Sulzenbacher G, Ciano L, Fanuel M, Moreau C, Villares A, Cathala B, Chaspoul F, Frandsen KE, Labourel A, Herpoël-Gimbert I, Grisel S, Haon M, Lenfant N, Rogniaux H, Ropartz D, Davies GJ, Rosso MN, Walton PH, Henrissat B, Berrin JG.

Nat Chem Biol. 2018 Mar;14(3):306-310. doi: 10.1038/nchembio.2558. Epub 2018 Jan 29.


Structural and electronic determinants of lytic polysaccharide monooxygenase reactivity on polysaccharide substrates.

Simmons TJ, Frandsen KEH, Ciano L, Tryfona T, Lenfant N, Poulsen JC, Wilson LFL, Tandrup T, Tovborg M, Schnorr K, Johansen KS, Henrissat B, Walton PH, Lo Leggio L, Dupree P.

Nat Commun. 2017 Oct 20;8(1):1064. doi: 10.1038/s41467-017-01247-3.


Family attitudes, actions, decisions and experiences following implementation of deemed consent and the Human Transplantation (Wales) Act 2013: mixed-method study protocol.

Noyes J, Morgan K, Walton P, Roberts A, Mclaughlin L, Stephens M.

BMJ Open. 2017 Oct 12;7(10):e017287. doi: 10.1136/bmjopen-2017-017287.


Evolution of Sound Source Localization Circuits in the Nonmammalian Vertebrate Brainstem.

Walton PL, Christensen-Dalsgaard J, Carr CE.

Brain Behav Evol. 2017;90(2):131-153. doi: 10.1159/000476028. Epub 2017 Oct 9.


Bariatric Surgery Worldwide: Baseline Demographic Description and One-Year Outcomes from the Second IFSO Global Registry Report 2013-2015.

Welbourn R, Pournaras DJ, Dixon J, Higa K, Kinsman R, Ottosson J, Ramos A, van Wagensveld B, Walton P, Weiner R, Zundel N.

Obes Surg. 2018 Feb;28(2):313-322. doi: 10.1007/s11695-017-2845-9.


The peroxisomal import receptor PEX5 functions as a stress sensor, retaining catalase in the cytosol in times of oxidative stress.

Walton PA, Brees C, Lismont C, Apanasets O, Fransen M.

Biochim Biophys Acta Mol Cell Res. 2017 Oct;1864(10):1833-1843. doi: 10.1016/j.bbamcr.2017.07.013. Epub 2017 Jul 29.


The Peroxisome-Mitochondria Connection: How and Why?

Fransen M, Lismont C, Walton P.

Int J Mol Sci. 2017 May 24;18(6). pii: E1126. doi: 10.3390/ijms18061126. Review.


Quantitative Monitoring of Subcellular Redox Dynamics in Living Mammalian Cells Using RoGFP2-Based Probes.

Lismont C, Walton PA, Fransen M.

Methods Mol Biol. 2017;1595:151-164. doi: 10.1007/978-1-4939-6937-1_14.


Activity, stability and 3-D structure of the Cu(ii) form of a chitin-active lytic polysaccharide monooxygenase from Bacillus amyloliquefaciens.

Gregory RC, Hemsworth GR, Turkenburg JP, Hart SJ, Walton PH, Davies GJ.

Dalton Trans. 2016 Nov 14;45(42):16904-16912. Epub 2016 Sep 29.


Heterogeneity in the Histidine-brace Copper Coordination Sphere in Auxiliary Activity Family 10 (AA10) Lytic Polysaccharide Monooxygenases.

Chaplin AK, Wilson MT, Hough MA, Svistunenko DA, Hemsworth GR, Walton PH, Vijgenboom E, Worrall JA.

J Biol Chem. 2016 Jun 10;291(24):12838-50. doi: 10.1074/jbc.M116.722447. Epub 2016 Apr 15.


On the catalytic mechanisms of lytic polysaccharide monooxygenases.

Walton PH, Davies GJ.

Curr Opin Chem Biol. 2016 Apr;31:195-207. doi: 10.1016/j.cbpa.2016.04.001. Epub 2016 Apr 16. Review.


The molecular basis of polysaccharide cleavage by lytic polysaccharide monooxygenases.

Frandsen KE, Simmons TJ, Dupree P, Poulsen JC, Hemsworth GR, Ciano L, Johnston EM, Tovborg M, Johansen KS, von Freiesleben P, Marmuse L, Fort S, Cottaz S, Driguez H, Henrissat B, Lenfant N, Tuna F, Baldansuren A, Davies GJ, Lo Leggio L, Walton PH.

Nat Chem Biol. 2016 Apr;12(4):298-303. doi: 10.1038/nchembio.2029. Epub 2016 Feb 29.


Targeted Antioxidant, Catalase-SKL, Reduces Beta-Amyloid Toxicity in the Rat Brain.

Nell HJ, Au JL, Giordano CR, Terlecky SR, Walton PA, Whitehead SN, Cechetto DF.

Brain Pathol. 2017 Jan;27(1):86-94. doi: 10.1111/bpa.12368. Epub 2016 Jun 13.


Attribution of extreme weather and climate-related events.

Stott PA, Christidis N, Otto FE, Sun Y, Vanderlinden JP, van Oldenborgh GJ, Vautard R, von Storch H, Walton P, Yiou P, Zwiers FW.

Wiley Interdiscip Rev Clim Change. 2016 Jan;7(1):23-41. Epub 2015 Dec 16. Review.


The Contribution of Non-catalytic Carbohydrate Binding Modules to the Activity of Lytic Polysaccharide Monooxygenases.

Crouch LI, Labourel A, Walton PH, Davies GJ, Gilbert HJ.

J Biol Chem. 2016 Apr 1;291(14):7439-49. doi: 10.1074/jbc.M115.702365. Epub 2016 Jan 22.


What do people think about running barefoot/with minimalist footwear? A thematic analysis.

Walton PD, French DP.

Br J Health Psychol. 2016 May;21(2):451-68. doi: 10.1111/bjhp.12180. Epub 2016 Jan 12.


Tracing fetal and childhood exposure to lead using isotope analysis of deciduous teeth.

Shepherd TJ, Dirks W, Roberts NM, Patel JG, Hodgson S, Pless-Mulloli T, Walton P, Parrish RR.

Environ Res. 2016 Apr;146:145-53. doi: 10.1016/j.envres.2015.12.017. Epub 2016 Jan 2.


Structure-function characterization reveals new catalytic diversity in the galactose oxidase and glyoxal oxidase family.

Yin DT, Urresti S, Lafond M, Johnston EM, Derikvand F, Ciano L, Berrin JG, Henrissat B, Walton PH, Davies GJ, Brumer H.

Nat Commun. 2015 Dec 18;6:10197. doi: 10.1038/ncomms10197.


The UK National Flap Registry (UKNFR): A National Database for all pedicled and free flaps in the UK.

Hazari A, Walton P.

J Plast Reconstr Aesthet Surg. 2015 Dec;68(12):1633-6. doi: 10.1016/j.bjps.2015.10.008.


Lignocellulose degradation mechanisms across the Tree of Life.

Cragg SM, Beckham GT, Bruce NC, Bugg TD, Distel DL, Dupree P, Etxabe AG, Goodell BS, Jellison J, McGeehan JE, McQueen-Mason SJ, Schnorr K, Walton PH, Watts JE, Zimmer M.

Curr Opin Chem Biol. 2015 Dec;29:108-19. doi: 10.1016/j.cbpa.2015.10.018. Epub 2015 Nov 14. Review.


Lytic Polysaccharide Monooxygenases in Biomass Conversion.

Hemsworth GR, Johnston EM, Davies GJ, Walton PH.

Trends Biotechnol. 2015 Dec;33(12):747-761. doi: 10.1016/j.tibtech.2015.09.006. Epub 2015 Oct 21. Review.


A cadaver study revisiting the original methodology of Lauge-Hansen and a commentary on modern usage.

Kwon JY, Gitajn IL, Walton P, Miller TJ, Appleton P, Rodriguez EK.

J Bone Joint Surg Am. 2015 Apr 1;97(7):604-9. doi: 10.2106/JBJS.N.00970. Review.


Brain derived neurotrophic factor release from layer-by-layer coated agarose nerve guidance scaffolds.

Lynam DA, Shahriari D, Wolf KJ, Angart PA, Koffler J, Tuszynski MH, Chan C, Walton P, Sakamoto J.

Acta Biomater. 2015 May;18:128-31. doi: 10.1016/j.actbio.2015.02.014. Epub 2015 Feb 21.


Structure and boosting activity of a starch-degrading lytic polysaccharide monooxygenase.

Lo Leggio L, Simmons TJ, Poulsen JC, Frandsen KE, Hemsworth GR, Stringer MA, von Freiesleben P, Tovborg M, Johansen KS, De Maria L, Harris PV, Soong CL, Dupree P, Tryfona T, Lenfant N, Henrissat B, Davies GJ, Walton PH.

Nat Commun. 2015 Jan 22;6:5961. doi: 10.1038/ncomms6961.


Structure of the virulence-associated protein VapD from the intracellular pathogen Rhodococcus equi.

Whittingham JL, Blagova EV, Finn CE, Luo H, Miranda-CasoLuengo R, Turkenburg JP, Leech AP, Walton PH, Murzin AG, Meijer WG, Wilkinson AJ.

Acta Crystallogr D Biol Crystallogr. 2014 Aug;70(Pt 8):2139-51. doi: 10.1107/S1399004714012632. Epub 2014 Jul 25.


Spectroscopic and computational insight into the activation of O2 by the mononuclear Cu center in polysaccharide monooxygenases.

Kjaergaard CH, Qayyum MF, Wong SD, Xu F, Hemsworth GR, Walton DJ, Young NA, Davies GJ, Walton PH, Johansen KS, Hodgson KO, Hedman B, Solomon EI.

Proc Natl Acad Sci U S A. 2014 Jun 17;111(24):8797-802. doi: 10.1073/pnas.1408115111. Epub 2014 Jun 2.


Amyloid-beta neuroprotection mediated by a targeted antioxidant.

Giordano CR, Terlecky LJ, Bollig-Fischer A, Walton PA, Terlecky SR.

Sci Rep. 2014 May 15;4:4983. doi: 10.1038/srep04983.


A novel thermostable xylanase GH10 from Malbranchea pulchella expressed in Aspergillus nidulans with potential applications in biotechnology.

Ribeiro LF, De Lucas RC, Vitcosque GL, Ribeiro LF, Ward RJ, Rubio MV, Damásio AR, Squina FM, Gregory RC, Walton PH, Jorge JA, Prade RA, Buckeridge MS, Polizeli Mde L.

Biotechnol Biofuels. 2014 Jul 29;7:115. doi: 10.1186/1754-6834-7-115. eCollection 2014.


Discovery and characterization of a new family of lytic polysaccharide monooxygenases.

Hemsworth GR, Henrissat B, Davies GJ, Walton PH.

Nat Chem Biol. 2014 Feb;10(2):122-6. doi: 10.1038/nchembio.1417. Epub 2013 Dec 22.


Morphological awareness and vocabulary development among kindergartners with different ability levels.

Ramirez G, Walton P, Roberts W.

J Learn Disabil. 2014 Jan-Feb;47(1):54-64. doi: 10.1177/0022219413509970.


Capping progress on invasive species?

Carboneras C, Walton P, Vilà M.

Science. 2013 Nov 22;342(6161):930-1. doi: 10.1126/science.342.6161.930-b. No abstract available.


Melq'ilwiye: coming together--intersections of identity, culture, and health for urban Aboriginal youth.

Clark N, Walton P, Drolet J, Tribute T, Jules G, Main T, Arnouse M.

Can J Nurs Res. 2013 Jun;45(2):36-57.


The European Association for Cardio-Thoracic Surgery (EACTS) database: an introduction.

Head SJ, Howell NJ, Osnabrugge RL, Bridgewater B, Keogh BE, Kinsman R, Walton P, Gummert JF, Pagano D, Kappetein AP.

Eur J Cardiothorac Surg. 2013 Sep;44(3):e175-80. doi: 10.1093/ejcts/ezt303. Epub 2013 Jun 19.


Recent insights into copper-containing lytic polysaccharide mono-oxygenases.

Hemsworth GR, Davies GJ, Walton PH.

Curr Opin Struct Biol. 2013 Oct;23(5):660-8. doi: 10.1016/ Epub 2013 Jun 14. Review.


The copper active site of CBM33 polysaccharide oxygenases.

Hemsworth GR, Taylor EJ, Kim RQ, Gregory RC, Lewis SJ, Turkenburg JP, Parkin A, Davies GJ, Walton PH.

J Am Chem Soc. 2013 Apr 24;135(16):6069-77. doi: 10.1021/ja402106e. Epub 2013 Apr 10.


cis-1,3,5-Triaminocyclohexane as a facially capping ligand for ruthenium(II).

Gamble AJ, Lynam JM, Thatcher RJ, Walton PH, Whitwood AC.

Inorg Chem. 2013 Apr 15;52(8):4517-27. doi: 10.1021/ic302819j. Epub 2013 Mar 22.


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