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1

Risk in the circular food economy: Glyphosate-based herbicide residues in manure fertilizers decrease crop yield

Muola, Anne, Fuchs, Benjamin, Laihonen, Miika, Rainio, Kalle, Heikkonen, Lauri, Ruuskanen, Suvi, Saikkonen, Kari, Helander, Marjo

Journal:

Science of The Total Environment

Year:

2021

File:

PDF, 808 KB

2021

2

Silicon, endophytes and secondary metabolites as grass defenses against mammalian herbivores

Huitu, Otso, Forbes, Kristian M., Helander, Marjo, Julkunen-Tiitto, Riitta, Lambin, Xavier, Saikkonen, Kari, Stuart, Peter, Sulkama, Sini, Hartley, Sue

Journal:

Frontiers in Plant Science

Year:

2014

Language:

english

File:

PDF, 686 KB

english, 2014

3

Effects of a glyphosate-based herbicide on survival and oxidative status of a non-target herbivore, the Colorado potato beetle (Leptinotarsa decemlineata)

Rainio, Miia J., Margus, Aigi, Lehmann, Philipp, Helander, Marjo, Lindström, Leena

Journal:

Comparative Biochemistry and Physiology Part C: Toxicology & Pharmacology

Year:

2019

Language:

english

File:

PDF, 858 KB

english, 2019

4

Evolution of endophyte–plant symbioses

Kari Saikkonen, Piippa Wäli, Marjo Helander, Stanley H. Faeth

Journal:

Trends in Plant Science

Year:

2004

Language:

english

File:

PDF, 281 KB

english, 2004

5

Insect herbivory may cause changes in the visual properties of leaves and affect the camouflage of herbivores to avian predators

Koski, Tuuli-Marjaana, Lindstedt, Carita, Klemola, Tero, Troscianko, Jolyon, Mäntylä, Elina, Tyystjärvi, Esa, Stevens, Martin, Helander, Marjo, Laaksonen, Toni

Journal:

Behavioral Ecology and Sociobiology

Year:

2017

Language:

english

File:

PDF, 1.14 MB

english, 2017

6

Postglacial colonization history reflects in the genetic structure of natural populations of Festuca rubra in Europe

von Cräutlein, Maria, Leinonen, Päivi H., Korpelainen, Helena, Helander, Marjo, Väre, Henry, Saikkonen, Kari

Journal:

Ecology and Evolution

Year:

2019

Language:

english

File:

PDF, 906 KB

english, 2019

7

Antioxidants inFestuca rubraL. seeds affected by the fungal symbiontEpichloë festucae

Gundel, Pedro E., Hamilton, Cyd E., Seal, Charlotte E., Helander, Marjo, Martínez-Ghersa, María Alejandra, Ghersa, Claudio M., Vázquez de Aldana, Beatriz R., Zabalgogeazcoa, Iñigo, Saikkonen, Kari

Journal:

Year:

2012

Language:

english

File:

PDF, 319 KB

english, 2012

8

Fungal endophytes help prevent weed invasions

Saikkonen, Kari, Ruokolainen, Kalle, Huitu, Otso, Gundel, Pedro E., Piltti, Tiina, Hamilton, Cyd E., Helander, Marjo

Journal:

Agriculture, Ecosystems & Environment

Year:

2013

Language:

english

File:

PDF, 334 KB

english, 2013

9

Glyphosate decreases mycorrhizal colonization and affects plant-soil feedback

Helander, Marjo, Saloniemi, Irma, Omacini, Marina, Druille, Magdalena, Salminen, Juha-Pekka, Saikkonen, Kari

Journal:

Science of The Total Environment

Year:

2018

Language:

english

File:

PDF, 1.03 MB

english, 2018

10

Heritable Epichloë symbiosis shapes fungal but not bacterial communities of plant leaves

Nissinen, Riitta, Helander, Marjo, Kumar, Manoj, Saikkonen, Kari

Journal:

Scientific Reports

Year:

2019

Language:

english

File:

PDF, 1.33 MB

english, 2019

11

Classification of the glyphosate target enzyme (5-enolpyruvylshikimate-3-phosphate synthase) for assessing sensitivity of organisms to the herbicide

Leino, Lyydia, Tall, Tuomas, Helander, Marjo, Saloniemi, Irma, Saikkonen, Kari, Ruuskanen, Suvi, PuigbÃ², Pere

Journal:

Journal of Hazardous Materials

Year:

2020

File:

PDF, 324 KB

2020

12

Glyphosate-Modulated Biosynthesis Driving Plant Defense and Species Interactions

Fuchs, Benjamin, Saikkonen, Kari, Helander, Marjo

Journal:

Trends in Plant Science

Year:

2020

File:

PDF, 1.14 MB

2020

13

Vertically transmitted fungal endophytes: different responses of host-parasite systems to environmental conditions

Jouni U. Ahlholm, Marjo Helander, Silja Lehtimäki, Piippa Wäli, Kari Saikkonen

Journal:

Year:

2002

Language:

english

File:

PDF, 315 KB

english, 2002

14

Lack of O-antigen is essential for plasminogen activation by Yersinia pestis and Salmonella enterica

Maini Kukkonen, Marjo Suomalainen, Päivi Kyllönen, Kaarina Lähteenmäki, Hannu Lång, Ritva Virkola, Ilkka M. Helander, Otto Holst, Timo K. Korhonen

Journal:

Molecular Microbiology

Year:

2004

Language:

english

File:

PDF, 328 KB

english, 2004

15

Micro-fungi and invertebrate herbivores on birch trees: fungal mediated plant–herbivore interactions or responses to host quality?

Jouni Ahlholm, Marjo Helander, Pirjo Elamo, Irma Saloniemi, Seppo Neuvonen, Sinikka Hanhimäki, Kari Saikkonen

Journal:

Ecology Letters

Year:

2002

Language:

english

File:

PDF, 108 KB

english, 2002

16

Circadian periodicity of airborne pollen and spores; significance of sampling height

Aulirantio-Lehtimäki, Marjo Linnea Helander, Anna-Mari Pessi

Journal:

Year:

1991

Language:

english

File:

PDF, 413 KB

english, 1991

17

Variation in airborne urediniospore concentration ofMelampsoridium betulinum

Pirjo Vuorinen, Marjo L. Helander

Journal:

Year:

1995

Language:

english

File:

PDF, 816 KB

english, 1995

18

Birch pollen production, transport and deposition for the period 1984–1993 at Kevo, northernmost Finland

Sheila Hicks, Marjo Helander, Saini Heino

Journal:

Year:

1994

Language:

english

File:

PDF, 873 KB

english, 1994

19

Comparison of some pollen concentrations in Finland and the Estonian SSR

Ritva Kupias, Marjo Linnea Helander, Maret Saar, Yrjö Mäkinen

Journal:

Year:

1989

Language:

english

File:

PDF, 450 KB

english, 1989

20

Occurrence and Genetic Structure of the Systemic Grass EndophyteEpichloë festucaein Fine Fescue Populations

Piippa R. Wäli, Jouni U. Ahlholm, Marjo Helander, Kari Saikkonen

Journal:

Microbial Ecology

Year:

2007

Language:

english

File:

PDF, 273 KB

english, 2007

21

The Effects of Endophytes on Seed Production and Seed Predation of Tall Fescue and Meadow Fescue

Susanna Saari, Marjo Helander, Stanley H. Faeth, Kari Saikkonen

Journal:

Microbial Ecology

Year:

2010

Language:

english

File:

PDF, 217 KB

english, 2010

22

Are endophyte-mediated effects on herbivores conditional on soil nutrients?

Päivi Lehtonen, Marjo Helander, Kari Saikkonen

Journal:

Year:

2005

Language:

english

File:

PDF, 150 KB

english, 2005

23

Consumption of grass endophytes alters the ultraviolet spectrum of vole urine

Otso Huitu, Marjo Helander, Päivi Lehtonen, Kari Saikkonen

Journal:

Year:

2008

Language:

english

File:

PDF, 295 KB

english, 2008

24

Variable effects of endophytic fungus on seedling establishment of fine fescues

Piippa R. Wäli, Marjo Helander, Irma Saloniemi, Jouni Ahlholm, Kari Saikkonen

Journal:

Year:

2009

Language:

english

File:

PDF, 469 KB

english, 2009

25

Birch family and environmental conditions affect endophytic fungi in leaves

Pirjo Elamo, Marjo L. Helander, Irma Saloniemi, Seppo Neuvonen

Journal:

Year:

1999

Language:

english

File:

PDF, 150 KB

english, 1999

26

Leaf surface traits: overlooked determinants of birch resistance to herbivores and foliar micro-fungi?

Elena Valkama, Julia Koricheva, Juha-Pekka Salminen, Marjo Helander, Irma Saloniemi, Kari Saikkonen, Kalevi Pihlaja

Journal:

Year:

2005

Language:

english

File:

PDF, 156 KB

english, 2005

27

Environmental conditions and host plant origin override endophyte effects on invertebrate communities

Salla-Riikka Vesterlund, Marjo Helander, Stanley H. Faeth, Terho Hyvönen, Kari Saikkonen

Journal:

Fungal Diversity

Year:

2011

Language:

english

File:

PDF, 289 KB

english, 2011

28

ENVIRONMENTAL CONDITIONS AND HOST GENOTYPE DIRECT GENETIC DIVERSITY OF VENTURIA DITRICHA, A FUNGAL ENDOPHYTE OF BIRCH TREES

Jouni U. Ahlholm, Marjo Helander, Janne Henriksson, Mary Metzler, Kari Saikkonen

Journal:

Year:

2002

Language:

english

File:

PDF, 242 KB

english, 2002

29

Asexual Neotyphodium endophytes in a native grass reduce competitive abilities

Stanley H. Faeth, Marjo L. Helander, Kari T. Saikkonen

Journal:

Ecology Letters

Year:

2004

Language:

english

File:

PDF, 186 KB

english, 2004

30

Transfer of endophyte-origin defensive alkaloids from a grass to a hemiparasitic plant

Päivi Lehtonen, Marjo Helander, Michael Wink, Frank Sporer, Kari Saikkonen

Journal:

Ecology Letters

Year:

2005

Language:

english

File:

PDF, 213 KB

english, 2005

31

Responses of pine needle endophytes to air pollution

MARJO L. HELANDER

Journal:

New Phytologist

Year:

1995

Language:

english

File:

PDF, 3.47 MB

english, 1995

32

The role of foliar microfungi in mountain birch - insect herbivore relationships

Janne H. Lappalainen, Marjo L. Helander

Journal:

Year:

1997

Language:

english

File:

PDF, 526 KB

english, 1997

33

The performance of the autumnal moth is lower on trees infected by birch rust

Janne Lappalainen, Marjo L. Helander, Päivi Palokangas

Journal:

Mycological Research

Year:

1995

Language:

english

File:

PDF, 495 KB

english, 1995

34

Climate change-driven species' range shifts filtered by photoperiodism

Saikkonen, Kari, Taulavuori, Kari, Hyvönen, Terho, Gundel, Pedro E., Hamilton, Cyd E., Vänninen, Irene, Nissinen, Anne, Helander, Marjo

Journal:

Nature Climate Change

Year:

2012

Language:

english

File:

PDF, 354 KB

english, 2012

35

Model systems in ecology: dissecting the endophyte–grass literature

Kari Saikkonen, Päivi Lehtonen, Marjo Helander, Julia Koricheva, Stanley H. Faeth

Journal:

Trends in Plant Science

Year:

2006

Language:

english

File:

PDF, 320 KB

english, 2006

36

Glyphosate in northern ecosystems

Marjo Helander, Irma Saloniemi, Kari Saikkonen

Journal:

Trends in Plant Science

Year:

2012

Language:

english

File:

PDF, 742 KB

english, 2012

37

Phenolic Compounds of the Inner Bark ofBetula pendula: Seasonal and Genetic Variation and Induction by Wounding

Liimatainen, Jaana, Karonen, Maarit, Sinkkonen, Jari, Helander, Marjo, Salminen, Juha-Pekka

Journal:

Journal of Chemical Ecology

Year:

2012

Language:

english

File:

PDF, 457 KB

english, 2012

38

Symbiotically modified organisms: nontoxic fungal endophytes in grasses

Gundel, Pedro E., Pérez, Luis I., Helander, Marjo, Saikkonen, Kari

Journal:

Trends in Plant Science

Year:

2013

Language:

english

File:

PDF, 401 KB

english, 2013

39

Symbiotic interactions as drivers of trade-offs in plants: effects of fungal endophytes on tall fescue

Gundel, Pedro E., Garibaldi, Lucas A., Helander, Marjo, Saikkonen, Kari

Journal:

Fungal Diversity

Year:

2013

Language:

english

File:

PDF, 344 KB

english, 2013

40

Neotyphodiumfungal endophyte in tall fescue (Schedonorus phoenix): a comparison of three Northern European wild populations and the cultivar Kentucky-31

Gundel, Pedro E., Helander, Marjo, Casas, Cecilia, Hamilton, Cyd E., Faeth, Stanley H., Saikkonen, Kari

Journal:

Fungal Diversity

Year:

2013

Language:

english

File:

PDF, 344 KB

english, 2013

41

Chemical Ecology Mediated by Fungal Endophytes in Grasses

Saikkonen, Kari, Gundel, Pedro E., Helander, Marjo

Journal:

Journal of Chemical Ecology

Year:

2013

Language:

english

File:

PDF, 243 KB

english, 2013

42

Characterization of phenolic compounds from inner bark of Betula pendula

Liimatainen, Jaana, Karonen, Maarit, Sinkkonen, Jari, Helander, Marjo, Salminen, Juha-Pekka

Journal:

Year:

2012

Language:

english

File:

PDF, 918 KB

english, 2012

43

Non-systemic fungal endophytes inFestuca rubraplants infected byEpichloë festucaein subarctic habitats

Iñigo Zabalgogeazcoa, Pedro E. Gundel, Marjo Helander, Kari Saikkonen

Journal:

Fungal Diversity

Year:

2013

Language:

english

File:

PDF, 231 KB

english, 2013

44

Occurrence and Genetic Structure of the Systemic Grass Endophyte Epichloë festucae in Fine Fescue Populations

Piippa R. Wäli, Jouni U. Ahlholm, Marjo Helander and Kari Saikkonen

Journal:

Microbial Ecology

Year:

2007

Language:

english

File:

PDF, 1.64 MB

english, 2007

45

Susceptibility of endophyte-infected grasses to winter pathogens (snow molds)

Wäli, Piippa R., Helander, Marjo, Nissinen, Oiva, Saikkonen, Kari

Journal:

Canadian Journal of Botany

Year:

2006

Language:

english

File:

PDF, 201 KB

english, 2006

46

Efficient analysis of ploidy levels in plant evolutionary ecology

Dirihan, Serdar, Terho, Perttu, Helander, Marjo, Saikkonen, Kari

Journal:

Year:

2013

Language:

english

File:

PDF, 264 KB

english, 2013

47

Genetic and Environmental Variation in Rust Frequency on Mature Mountain Birch Trees

Elamo, Pirjo, Saloniemi, Irma, Helander, Marjo L., Neuvonen, Seppo

Journal:

Scandinavian Journal of Forest Research

Year:

2000

Language:

english

File:

PDF, 222 KB

english, 2000

48

Trends of some airborne tree pollen in the Nordic countries and Austria, 1980—1993

Jäger, Siegfried, Nilsson, Siwert, Berggren, Britt, Pessi, Anna-Mari, Helander, Marjo, Ramfjord, Hallvard

Journal:

Year:

1996

Language:

english

File:

PDF, 620 KB

english, 1996

49

Birch leaf endophytes in managed and natural boreal forests

Helander, Marjo, Wäli, Piippa, Kuuluvainen, Timo, Saikkonen, Kari

Journal:

Canadian Journal of Forest Research

Year:

2006

File:

PDF, 154 KB

2006

50

Nutritional niche overlap potentiates the use of endophytes in biocontrol of a tree disease

Blumenstein, Kathrin, Albrectsen, Benedicte R., Martín, Juan A., Hultberg, Malin, Sieber, Thomas N., Helander, Marjo, Witzell, Johanna

Journal:

Year:

2015

Language:

english

File:

PDF, 412 KB

english, 2015