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Microbiology

D-Index
61
Citations
17340
World Ranking
2958
National Ranking
29

Overview

Martti Vaara is affiliated with the University of Helsinki in Finland. Their research primarily focuses on the fields of Medicine and Biochemistry, Genetics and Molecular Biology, with specific subfields including Pulmonary and Respiratory Medicine, Biomedical Engineering, Radiology, Nuclear Medicine and Imaging, Pharmacology, and Molecular Medicine.

The scientist's work addresses several main topics, notably Photodynamic Therapy Research Studies, Nanoplatforms for cancer theranostics, Laser Applications in Dentistry and Medicine, Antibiotic Resistance in Bacteria, Antibiotics Pharmacokinetics and Efficacy, Tuberculosis Research and Epidemiology, and Escherichia coli research studies.

Martti Vaara has contributed to multiple scientific publications. Selected recent papers include:

  • Dual-light photodynamic therapy administered daily provides a sustained antibacterial effect on biofilm and prevents Streptococcus mutans adaptation, 2020, PLoS ONE
  • Dual-light photodynamic therapy administered daily provides a sustained antibacterial effect on biofilm and prevents Streptococcus mutans adaptation, 2020, bioRxiv (Cold Spring Harbor Laboratory)
  • Excretion of the Polymyxin Derivative NAB739 in Murine Urine, 2020, Antibiotics
  • An antibiotic derivative as a new potential tool in the prevention of hemolytic uremic syndrome, 2025, iScience

Frequent collaborators in their research include Sakari Nikinmaa, Heikki Alapulli, Petri Auvinen, Esko Kankuri, and Timo Sorsa.

The venues where Martti Vaara most often publishes are PLoS ONE, bioRxiv (Cold Spring Harbor Laboratory), Antibiotics, and iScience.

Best Publications

  • Molecular basis of bacterial outer membrane permeability.

    H Nikaido;M Vaara

  • Agents that increase the permeability of the outer membrane.

    M Vaara

  • Safety of probiotics that contain lactobacilli or bifidobacteria.

    Unknown

  • Lactobacillus Bacteremia during a Rapid Increase in Probiotic Use of Lactobacillus rhamnosus GG in Finland

    Minna K. Salminen;Soile Tynkkynen;Hilpi Rautelin;Maija Saxelin

  • Postural balance in a random sample of 7,979 subjects aged 30 years and over

    P. Era;P. Sainio;S. Koskinen;P. Haavisto

  • Polycations as outer membrane-disorganizing agents.

    M Vaara;T Vaara

  • Sensitization of Gram-negative bacteria to antibiotics and complement by a nontoxic oligopeptide

    Martti Vaara;Timo Vaara

  • Polycations sensitize enteric bacteria to antibiotics.

    M Vaara;T Vaara

  • Group of peptides that act synergistically with hydrophobic antibiotics against gram-negative enteric bacteria.

    M Vaara;M Porro

  • Accurate and rapid identification of bacterial species from positive blood cultures with a DNA-based microarray platform: an observational study

    Päivi Tissari;Alimuddin Zumla;Eveliina Tarkka;Sointu Mero

  • Characterization of the lipopolysaccharide from the polymyxin-resistant pmrA mutants of Salmonella typhimurium.

    M. Vaara;T. Vaara;M. Jensen;I. Helander

  • Lipopolysaccharides of polymyxin B‐resistant mutants of Escherichia coii are extensively substituted by 2‐aminoethyl pyrophosphate and contain aminoarabinose in lipid A

    Kim Nummila;IIkka Kilpeläinen;Ulrich Zähringer;Martti Vaara

  • Antibiotic-supersusceptible mutants of Escherichia coli and Salmonella typhimurium.

    M Vaara

  • Increased substitution of phosphate groups in lipopolysaccharides and lipid A of the polymyxin‐resistant pmrA mutants of Salmonella typhimurium: a 31P‐NMR study

    Ilkka M. Helander;Ilkka Kilpeläinen;Martti Vaara

  • Outer membrane permeability barrier to azithromycin, clarithromycin, and roxithromycin in gram-negative enteric bacteria.

    M Vaara

  • Novel Polymyxin Derivatives Carrying Only Three Positive Charges Are Effective Antibacterial Agents

    Martti Vaara;John Fox;Günther Loidl;Osmo Siikanen

  • New approaches in peptide antibiotics.

    Martti Vaara

  • Outer Membrane Permeability Barrier in Escherichia coli Mutants That Are Defective in the Late Acyltransferases of Lipid A Biosynthesis

    Martti Vaara;Martti Vaara;Marjatta Nurminen

  • Potentiation of Antibiotic Activity by a Novel Cationic Peptide: Potency and Spectrum of Activity of SPR741

    David Corbett;Andrew Wise;Tara Langley;Kirsty Skinner

  • Outer Membrane Permeability Barrier Disruption by Polymyxin in Polymyxin-Susceptible and -Resistant Salmonella typhimurium

    Martti Vaara;Timo Vaara

  • The lipid A biosynthesis mutation lpxA2 of Escherichia coli results in drastic antibiotic supersusceptibility.

    R Vuorio;M Vaara

  • Eight bacterial proteins, including UDP-N-acetylglucosamine acyltransferase (LpxA) and three other transferases of Escherichia coli, consist of a six-residue periodicity theme

    Martti Vaara

Frequent Co-Authors

Jari Jalava
Jari Jalava Finnish Institute for Health and Welfare
Timo Sorsa
Timo Sorsa University of Helsinki
Anja Siitonen
Anja Siitonen Finnish Institute for Health and Welfare (THL)
Pentti Kuusela
Pentti Kuusela University of Helsinki
Niels Frimodt-Møller
Niels Frimodt-Møller University of Copenhagen
Jukka H. Meurman
Jukka H. Meurman University of Helsinki
Alimuddin Zumla
Alimuddin Zumla University College London
Seppo Koskinen
Seppo Koskinen Finnish Institute for Health and Welfare
Ilkka Kilpeläinen
Ilkka Kilpeläinen University of Helsinki
Jim F. Huggett
Jim F. Huggett University College London

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