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Editorial: Cooperative Adaptation and Evolution in Plant-Microbe Systems.

Matveeva T, Provorov N, Valkonen JPT.

Front Plant Sci. 2018 Aug 14;9:1090. doi: 10.3389/fpls.2018.01090. eCollection 2018. No abstract available.


Sensitivity of Small RNA-Based Detection of Plant Viruses.

Santala J, Valkonen JPT.

Front Microbiol. 2018 May 14;9:939. doi: 10.3389/fmicb.2018.00939. eCollection 2018.


Effect of resource availability on evolution of virulence and competition in an environmentally transmitted pathogen.

Pulkkinen K, Pekkala N, Ashrafi R, Hämäläinen DM, Nkembeng AN, Lipponen A, Hiltunen T, Valkonen JK, Taskinen J.

FEMS Microbiol Ecol. 2018 May 1;94(5). doi: 10.1093/femsec/fiy060.


Resemblance of a model species and its mimic: Response to Bury and Cichoń.

Valkonen JK, Mappes J.

Conserv Biol. 2018 Apr;32(2):487-489. doi: 10.1111/cobi.13070. Epub 2018 Jan 16. No abstract available.


Promotion of mental health in the core of public health work.

Wahlbeck K, Hannukkala M, Parkkonen J, Valkonen J, Solantaus T.

Duodecim. 2017;133(10):985-92.


Correction: Pathogenic seedborne viruses are rare but Phaseolus vulgaris endornaviruses are common in bean varieties grown in Nicaragua and Tanzania.

Nordenstedt N, Marcenaro D, Chilagane D, Mwaipopo B, Rajamäki ML, Nchimbi-Msolla S, Njau PJR, Mbanzibwa DR, Valkonen JPT.

PLoS One. 2017 Aug 29;12(8):e0184263. doi: 10.1371/journal.pone.0184263. eCollection 2017.


Utilization of engineered resistance to viruses in crops of the developing world, with emphasis on sub-Saharan Africa.

Kreuze JF, Valkonen JP.

Curr Opin Virol. 2017 Oct;26:90-97. doi: 10.1016/j.coviro.2017.07.022. Epub 2017 Aug 8. Review.


Pathogenic seedborne viruses are rare but Phaseolus vulgaris endornaviruses are common in bean varieties grown in Nicaragua and Tanzania.

Nordenstedt N, Marcenaro D, Chilagane D, Mwaipopo B, Rajamäki ML, Nchimbi-Msolla S, Njau PJR, Mbanzibwa DR, Valkonen JPT.

PLoS One. 2017 May 25;12(5):e0178242. doi: 10.1371/journal.pone.0178242. eCollection 2017. Erratum in: PLoS One. 2017 Aug 29;12 (8):e0184263.


Higher resource level promotes virulence in an environmentally transmitted bacterial fish pathogen.

Kinnula H, Mappes J, Valkonen JK, Pulkkinen K, Sundberg LR.

Evol Appl. 2017 Mar 30;10(5):462-470. doi: 10.1111/eva.12466. eCollection 2017 Jun.


Differential Requirement of the Ribosomal Protein S6 and Ribosomal Protein S6 Kinase for Plant-Virus Accumulation and Interaction of S6 Kinase with Potyviral VPg.

Rajamäki ML, Xi D, Sikorskaite-Gudziuniene S, Valkonen JPT, Whitham SA.

Mol Plant Microbe Interact. 2017 May;30(5):374-384. doi: 10.1094/MPMI-06-16-0122-R. Epub 2017 Apr 24.


Experimental evidence suggests that specular reflectance and glossy appearance help amplify warning signals.

Waldron SJ, Endler JA, Valkonen JK, Honma A, Dobler S, Mappes J.

Sci Rep. 2017 Mar 21;7(1):257. doi: 10.1038/s41598-017-00217-5.


Strigolactone biosynthesis is evolutionarily conserved, regulated by phosphate starvation and contributes to resistance against phytopathogenic fungi in a moss, Physcomitrella patens.

Decker EL, Alder A, Hunn S, Ferguson J, Lehtonen MT, Scheler B, Kerres KL, Wiedemann G, Safavi-Rizi V, Nordzieke S, Balakrishna A, Baz L, Avalos J, Valkonen JPT, Reski R, Al-Babili S.

New Phytol. 2017 Oct;216(2):455-468. doi: 10.1111/nph.14506. Epub 2017 Mar 6.


A Framework for the Evaluation of Biosecurity, Commercial, Regulatory, and Scientific Impacts of Plant Viruses and Viroids Identified by NGS Technologies.

Massart S, Candresse T, Gil J, Lacomme C, Predajna L, Ravnikar M, Reynard JS, Rumbou A, Saldarelli P, Škorić D, Vainio EJ, Valkonen JP, Vanderschuren H, Varveri C, Wetzel T.

Front Microbiol. 2017 Jan 24;8:45. doi: 10.3389/fmicb.2017.00045. eCollection 2017.


Seedborne Pathogenic Fungi in Common Bean (Phaseolus vulgaris cv. INTA Rojo) in Nicaragua.

Marcenaro D, Valkonen JP.

PLoS One. 2016 Dec 20;11(12):e0168662. doi: 10.1371/journal.pone.0168662. eCollection 2016.


Graphical genotyping as a method to map Ny (o,n)sto and Gpa5 using a reference panel of tetraploid potato cultivars.

van Eck HJ, Vos PG, Valkonen JP, Uitdewilligen JG, Lensing H, de Vetten N, Visser RG.

Theor Appl Genet. 2017 Mar;130(3):515-528. doi: 10.1007/s00122-016-2831-y. Epub 2016 Nov 21.


Viral RNase3 Co-Localizes and Interacts with the Antiviral Defense Protein SGS3 in Plant Cells.

Weinheimer I, Haikonen T, Ala-Poikela M, Moser M, Streng J, Rajamäki ML, Valkonen JP.

PLoS One. 2016 Jul 8;11(7):e0159080. doi: 10.1371/journal.pone.0159080. eCollection 2016.


Correction: Comparative Analysis of Prokaryotic Communities Associated with Organic and Conventional Farming Systems.

Pershina EV, Valkonen JP, Kurki P, Ivanova EA, Chirak EL, Korvigo IO, Provorov NA, Andronov EE.

PLoS One. 2016 May 4;11(5):e0155155. doi: 10.1371/journal.pone.0155155. eCollection 2016.


Psychosocial intervention for children with narcolepsy:: Parents' expectations and perceived support.

Kippola-Pääkkönen A, Härkäpää K, Valkonen J, Tuulio-Henriksson A, Autti-Rämö I.

J Child Health Care. 2016 Dec;20(4):521-529. doi: 10.1177/1367493516643420. Epub 2016 Jul 25.


Dissecting Abscisic Acid Signaling Pathways Involved in Cuticle Formation.

Cui F, Brosché M, Lehtonen MT, Amiryousefi A, Xu E, Punkkinen M, Valkonen JP, Fujii H, Overmyer K.

Mol Plant. 2016 Jun 6;9(6):926-38. doi: 10.1016/j.molp.2016.04.001. Epub 2016 Apr 7.


A novel sweet potato potyvirus open reading frame (ORF) is expressed via polymerase slippage and suppresses RNA silencing.

Untiveros M, Olspert A, Artola K, Firth AE, Kreuze JF, Valkonen JP.

Mol Plant Pathol. 2016 Sep;17(7):1111-23. doi: 10.1111/mpp.12366. Epub 2016 Apr 28.


Comparative Analysis of Prokaryotic Communities Associated with Organic and Conventional Farming Systems.

Pershina E, Valkonen J, Kurki P, Ivanova E, Chirak E, Korvigo I, Provorov N, Andronov E.

PLoS One. 2015 Dec 18;10(12):e0145072. doi: 10.1371/journal.pone.0145072. eCollection 2015. Erratum in: PLoS One. 2016;11(5):e0155155.


Warning coloration can be disruptive: aposematic marginal wing patterning in the wood tiger moth.

Honma A, Mappes J, Valkonen JK.

Ecol Evol. 2015 Oct 12;5(21):4863-74. doi: 10.1002/ece3.1736. eCollection 2015 Nov.


The Influence of Infective Dose on the Virulence of a Generalist Pathogen in Rainbow Trout (Oncorhynchus mykiss) and Zebra Fish (Danio rerio).

Kinnula H, Mappes J, Valkonen JK, Sundberg LR.

PLoS One. 2015 Sep 30;10(9):e0139378. doi: 10.1371/journal.pone.0139378. eCollection 2015.


Visual illusions in predator-prey interactions: birds find moving patterned prey harder to catch.

Hämäläinen L, Valkonen J, Mappes J, Rojas B.

Anim Cogn. 2015 Sep;18(5):1059-68. doi: 10.1007/s10071-015-0874-0. Epub 2015 May 7.



Rojas B, Valkonen J, Nokelainen O.

Curr Biol. 2015 May 4;25(9):R350-1. doi: 10.1016/j.cub.2015.02.015. No abstract available.


Elucidation of virus-host interactions to enhance resistance breeding for control of virus diseases in potato.

Valkonen JP.

Breed Sci. 2015 Mar;65(1):69-76. doi: 10.1270/jsbbs.65.69. Epub 2015 Mar 1. Review.


Predator mimicry, not conspicuousness, explains the efficacy of butterfly eyespots.

De Bona S, Valkonen JK, López-Sepulcre A, Mappes J.

Proc Biol Sci. 2015 May 7;282(1806):20150202. doi: 10.1098/rspb.2015.0202.


Diversity and evolution of potato mop-top virus.

Beuch U, Berlin S, Åkerblom J, Nicolaisen M, Nielsen SL, Crosslin JM, Hamm PB, Santala J, Valkonen JP, Kvarnheden A.

Arch Virol. 2015 May;160(5):1345-51. doi: 10.1007/s00705-015-2381-7. Epub 2015 Mar 10.


Suppression of RNAi by dsRNA-degrading RNaseIII enzymes of viruses in animals and plants.

Weinheimer I, Jiu Y, Rajamäki ML, Matilainen O, Kallijärvi J, Cuellar WJ, Lu R, Saarma M, Holmberg CI, Jäntti J, Valkonen JP.

PLoS Pathog. 2015 Mar 6;11(3):e1004711. doi: 10.1371/journal.ppat.1004711. eCollection 2015 Mar.


Analysis of potato virus Y coat protein epitopes recognized by three commercial monoclonal antibodies.

Tian YP, Hepojoki J, Ranki H, Lankinen H, Valkonen JP.

PLoS One. 2014 Dec 26;9(12):e115766. doi: 10.1371/journal.pone.0115766. eCollection 2014.


Diagnosis and discovery of fungal viruses using deep sequencing of small RNAs.

Vainio EJ, Jurvansuu J, Streng J, Rajamäki ML, Hantula J, Valkonen JP.

J Gen Virol. 2015 Mar;96(Pt 3):714-25. doi: 10.1099/jgv.0.000003. Epub 2014 Dec 5.


Composite potato plants with transgenic roots on non-transgenic shoots: a model system for studying gene silencing in roots.

Horn P, Santala J, Nielsen SL, Hühns M, Broer I, Valkonen JP.

Plant Cell Rep. 2014 Dec;33(12):1977-92. doi: 10.1007/s00299-014-1672-x. Epub 2014 Sep 3.


Resembling a viper: implications of mimicry for conservation of the endangered smooth snake.

Valkonen JK, Mappes J.

Conserv Biol. 2014 Dec;28(6):1568-74. doi: 10.1111/cobi.12368. Epub 2014 Aug 7.


Silencing suppressor protein VPg of a potyvirus interacts with the plant silencing-related protein SGS3.

Rajamäki ML, Streng J, Valkonen JP.

Mol Plant Microbe Interact. 2014 Nov;27(11):1199-210. doi: 10.1094/MPMI-04-14-0109-R.


Infection cycle of Artichoke Italian latent virus in tobacco plants: meristem invasion and recovery from disease symptoms.

Santovito E, Mascia T, Siddiqui SA, Minutillo SA, Valkonen JP, Gallitelli D.

PLoS One. 2014 Jun 9;9(6):e99446. doi: 10.1371/journal.pone.0099446. eCollection 2014.


fPoxDB: fungal peroxidase database for comparative genomics.

Choi J, Détry N, Kim KT, Asiegbu FO, Valkonen JP, Lee YH.

BMC Microbiol. 2014 May 8;14:117. doi: 10.1186/1471-2180-14-117. Review.


Secret lifestyles of Neurospora crassa.

Kuo HC, Hui S, Choi J, Asiegbu FO, Valkonen JP, Lee YH.

Sci Rep. 2014 May 30;4:5135. doi: 10.1038/srep05135.


Physcomitrella patens has kinase-LRR R gene homologs and interacting proteins.

Tanigaki Y, Ito K, Obuchi Y, Kosaka A, Yamato KT, Okanami M, Lehtonen MT, Valkonen JP, Akita M.

PLoS One. 2014 Apr 18;9(4):e95118. doi: 10.1371/journal.pone.0095118. eCollection 2014.


Protein secretome of moss plants (Physcomitrella patens) with emphasis on changes induced by a fungal elicitor.

Lehtonen MT, Takikawa Y, Rönnholm G, Akita M, Kalkkinen N, Ahola-Iivarinen E, Somervuo P, Varjosalo M, Valkonen JP.

J Proteome Res. 2014 Feb 7;13(2):447-59. doi: 10.1021/pr400827a. Epub 2013 Dec 6.


Genetic variability and evolutionary implications of RNA silencing suppressor genes in RNA1 of sweet potato chlorotic stunt virus isolates infecting sweetpotato and related wild species.

Tugume AK, Amayo R, Weinheimer I, Mukasa SB, Rubaihayo PR, Valkonen JP.

PLoS One. 2013 Nov 22;8(11):e81479. doi: 10.1371/journal.pone.0081479. eCollection 2013.


Functional diversification of duplicated chalcone synthase genes in anthocyanin biosynthesis of Gerbera hybrida.

Deng X, Bashandy H, Ainasoja M, Kontturi J, Pietiäinen M, Laitinen RA, Albert VA, Valkonen JP, Elomaa P, Teeri TH.

New Phytol. 2014 Mar;201(4):1469-83. doi: 10.1111/nph.12610. Epub 2013 Nov 25.


Binding and processing of small dsRNA molecules by the class 1 RNase III protein encoded by sweet potato chlorotic stunt virus.

Weinheimer I, Boonrod K, Moser M, Wassenegger M, Krczal G, Butcher SJ, Valkonen JP.

J Gen Virol. 2014 Feb;95(Pt 2):486-95. doi: 10.1099/vir.0.058693-0. Epub 2013 Nov 1.


Changes in predator community structure shifts the efficacy of two warning signals in Arctiid moths.

Nokelainen O, Valkonen J, Lindstedt C, Mappes J.

J Anim Ecol. 2014 May;83(3):598-605. doi: 10.1111/1365-2656.12169. Epub 2014 Jan 24.


Seasonal phenology and species composition of the aphid fauna in a northern crop production area.

Kirchner SM, Hiltunen L, Döring TF, Virtanen E, Palohuhta JP, Valkonen JP.

PLoS One. 2013 Aug 13;8(8):e71030. doi: 10.1371/journal.pone.0071030. eCollection 2013.


Improved silencing suppression and enhanced heterologous protein expression are achieved using an engineered viral helper component proteinase.

Haikonen T, Rajamäki ML, Valkonen JP.

J Virol Methods. 2013 Nov;193(2):687-92. doi: 10.1016/j.jviromet.2013.07.054. Epub 2013 Aug 6.


Protocol: Optimised methodology for isolation of nuclei from leaves of species in the Solanaceae and Rosaceae families.

Sikorskaite S, Rajamäki ML, Baniulis D, Stanys V, Valkonen JP.

Plant Methods. 2013 Jul 26;9:31. doi: 10.1186/1746-4811-9-31. eCollection 2013.


Mutation of a Short Variable Region in HCpro Protein of Potato virus A Affects Interactions with a Microtubule-Associated Protein and Induces Necrotic Responses in Tobacco.

Haikonen T, Rajamäki ML, Tian YP, Valkonen JP.

Mol Plant Microbe Interact. 2013 Jul;26(7):721-33. doi: 10.1094/MPMI-01-13-0024-R.


Interaction of the microtubule-associated host protein HIP2 with viral helper component proteinase is important in infection with potato virus A.

Haikonen T, Rajamäki ML, Valkonen JP.

Mol Plant Microbe Interact. 2013 Jul;26(7):734-44. doi: 10.1094/MPMI-01-13-0023-R.

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