Personal information

Keywords

Plant Health, Diagnostics, Molecular biology, Phytopathology, Plant identification, Microbial taxonomy

Countries

Denmark

Activities

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Employment (7)

University of Copenhagen: Copenhagen, Frederiksberg campus, DK

2022 to present | Special Consultant (Department of Plant and Environmental Sciences)
Employment
Source: Self-asserted source
Mads G Johnsen

Teknologisk Institut: Tastrup, Hovedstaden, DK

2015-04-01 to 2022-06-30 | Senior specialist (AgroTech)
Employment
Source: Self-asserted source
Mads G Johnsen

Novo Nordisk AS: Kalundborg, DK

2014 to 2015 | Chemist (Support team 1, insulin aspart manufacturing plant 1)
Employment
Source: Self-asserted source
Mads G Johnsen

Bioneer A/S: Horsholm, DK

1997 to 2014 | Project manager
Employment
Source: Self-asserted source
Mads G Johnsen

Danish Institute of Plant and Soil Science: Lyngby, DK

1996 to 1997 | Post Doc (Later 'Department of Plant and Environmental Sciences, UCPH')
Employment
Source: Self-asserted source
Mads G Johnsen

University of Copenhagen: Copenhagen, DK

1995 to 1996 | Post doc (Department of Food Science)
Employment
Source: Self-asserted source
Mads G Johnsen

Danish Institute of Plant and Soil Science: Lyngby, DK

1990 to 1991 | Research assistant (Later 'Department of Plant and Environmental Sciences, UCPH')
Employment
Source: Self-asserted source
Mads G Johnsen

Education and qualifications (2)

University of Copenhagen: Frederiksberg, DK

1991 to 1995 | PhD (Department of Food Science, UCPH)
Education
Source: Self-asserted source
Mads G Johnsen

University of Copenhagen: Frederiksberg, DK

1983 to 1990 | Masters Degrees in Agronomy (Department of Plant and Environmental Sciences, UCPH)
Education
Source: Self-asserted source
Mads G Johnsen

Professional activities (3)

Danish Society for Plant Diseases and Pests: Copenhagen, DK

2017 to present
Membership
Source: Self-asserted source
Mads G Johnsen

University of Copenhagen: Copenhagen, DK

2014 to present | External examiner (Department of Plant and Environmental Sciences)
Invited position
Source: Self-asserted source
Mads G Johnsen

Ministry of Environment and Food of Denmark: Copenhagen, DK

2013 to 2015 | Consultant assessing recombinant microorganisms (The Danish Environmental Protection Agency)
Invited position
Source: Self-asserted source
Mads G Johnsen

Works (19)

Early assessment of fungal and oomycete pathogens in greenhouse irrigation water using Oxford nanopore amplicon sequencing

PLOS ONE
2024-03-15 | Journal article
DOI: 10.1371/journal.pone.0300381
Contributors: Enoch Narh Kudjordjie; Jaime E. Blair; Anne Saaby Schmidt-Høier; Mai-Britt Brøndum; Mads Grønvald Johnsen; Mogens Nicolaisen; Mette Vestergård
Source: check_circle
Crossref

Transient p53 Suppression Increases Reprogramming of Human Fibroblasts without Affecting Apoptosis and DNA Damage

Stem Cell Reports
2014 | Journal article
DOI: https://doi.org/10.1016/j.stemcr.2014.07.006
Source: Self-asserted source
Mads G Johnsen

Recombinant expression of Laceyella sacchari thermitase in Lactococcus lactis

Protein Expression and Purification
2013 | Journal article
DOI: https://doi.org/10.1016/j.pep.2013.09.009
Source: Self-asserted source
Mads G Johnsen

Isolation, characterization and heterologous expression of a novel chitosanase from Janthinobacterium sp. strain 4239

Microbial Cell Factories
2010 | Journal article
DOI: 10.1186/1475-2859-9-5
Source: Self-asserted source
Mads G Johnsen

Flavobacterium sp. Strain 4221 and Pedobacter sp. Strain 4236 β-1,3-Glucanases That Are Active at Low Temperatures

Applied and Environmental Microbiology
2008 | Journal article
DOI: 10.1128/AEM.00681-08
Source: Self-asserted source
Mads G Johnsen

The influence of polymeric properties on chitosan/siRNA nanoparticle formulation and gene silencing

Biomaterials
2007 | Journal article
DOI: https://doi.org/10.1016/j.biomaterials.2006.11.004
Source: Self-asserted source
Mads G Johnsen

Secreted β-galactosidase from a Flavobacterium sp. isolated from a low-temperature environment

Applied Microbiology and Biotechnology
2006 | Journal article
DOI: 10.1007/s00253-005-0153-0
Source: Self-asserted source
Mads G Johnsen

Fermentation method for production of heterologous gene products in lactic acid bacteria.

2002 | Patent
PAT: EP1356073
Source: Self-asserted source
Mads G Johnsen

Method of treating phenylketonuria and means therefor.

2002 | Patent
PAT: WO0168822
Source: Self-asserted source
Mads G Johnsen

Microbial diversity in ikaite tufa columns: an alkaline, cold ecological niche in Greenland.
Source: Self-asserted source
Mads G Johnsen

Regulation of promoter activity using a polypeptide isolated from Lactococcus lactis.

2002 | Patent
PAT: EP1326884
Source: Self-asserted source
Mads G Johnsen

Development of a Heterologous Gene Expression System for Use in Lactococcus Lactis

2001 | Book chapter
DOI: 10.1007/978-94-015-9749-4_19
Part of ISBN: 9789048157563
Source: Self-asserted source
Mads G Johnsen

Method of isolating secretion signals in lactic acid bacteria and novel secretion signals isolated from Lactococcus lactis.

2001 | Patent
PAT: EP1206556
Source: Self-asserted source
Mads G Johnsen

Synthesis and Posttranslational Regulation of Pyruvate Formate-Lyase in Lactococcus lactis

Journal of Bacteriology
2000 | Journal article
DOI: 10.1128/JB.182.17.4783-4788.2000
Source: Self-asserted source
Mads G Johnsen

Petersen, A., Josephsen, J., & Johnsen, M. G. (1999). TPW22, a lactococcal temperate phage with a site-specific integrase closely related to Streptococcus thermophilus phage integrases. Journal of bacteriology, 181(22), 7034-42.

1999 | Journal article
PMID: 10559170
Source: Self-asserted source
Mads G Johnsen

A Genomic Region of Lactococcal Temperate Bacteriophage TP901-1 Encoding Major Virion Proteins

Virology
1996 | Journal article
DOI: https://doi.org/10.1006/viro.1996.0199
Source: Self-asserted source
Mads G Johnsen

Virion Positions and Relationships of Lactococcal Temperate Bacteriophage TP901-1 Proteins

Virology
1995 | Journal article
DOI: https://doi.org/10.1006/viro.1995.1517
Source: Self-asserted source
Mads G Johnsen

Characterization of the lactococcal temperate phage TP901-1 and its site-specific integration.

1994 | Journal article
PMID: 8106318
Source: Self-asserted source
Mads G Johnsen

In vivo expression of the 29000 Mr protein from RNA-2 of pea early browning tobravirus

Journal of General Virology
1991 | Journal article
Source: Self-asserted source
Mads G Johnsen
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