title: The plant growth-promoting bacterium Kosakonia radicincitans improves fruit yield and quality of Solanum lycopersicum.
abstract: BACKGROUND
  Production and the quality of tomato fruits have a strong economic relevance. Microorganisms such as the plant growth-promoting bacterium (PGPB) Kosakonia radicincitans (DSM 16656) have been demonstrated to improve shoot and root growth of young tomato plants, but data on yield increase and fruit quality by K. radicincitans are lacking.
  
  
  RESULTS
  This study investigated how K. radicincitans affects tomato fruits. After inoculation of tomato seeds with K. radicincitans or a sodium chloride buffer control solution, stalk length, first flowering and the amount of ripened fruits produced by inoculated and non-inoculated plants were monitored over a period of 21 weeks. Inoculation of tomato seeds with K. radicincitans accelerated flowering and ripening of tomato fruits. Sugars, acidity, amino acids, volatile organic compounds and carotenoids in the fruits were also analyzed.
  
  
  CONCLUSIONS
  It was found that the PGPB K. radicincitans affected the amino acid, sugar and volatile composition of ripened fruits, contributing to a more pleasant-tasting fruit without forfeiting selected quality indicators. © 2017 Society of Chemical Industry.
authors.affiliation: Leibniz-Institute of Vegetable and Ornamental Crops e.V., Grossbeeren, Germany.
authors.forename: Beatrice
authors.identifier: http://orcid.org/0000-0003-1079-0512
authors.initials: B
authors.lastname: Berger
authors.affiliation: Leibniz-Institute of Vegetable and Ornamental Crops e.V., Grossbeeren, Germany.|Institute of Nutritional Science, University of Potsdam, Nuthetal, Germany.
authors.forename: Susanne
authors.initials: S
authors.lastname: Baldermann
authors.affiliation: Leibniz-Institute of Vegetable and Ornamental Crops e.V., Grossbeeren, Germany.
authors.forename: Silke
authors.initials: S
authors.lastname: Ruppel
mesh_terms: D059827:Agricultural Inoculants / Q000502:physiology; D000596:Amino Acids / Q000032:analysis; D004755:Enterobacteriaceae / Q000502:physiology*; D005638:Fruit / Q000737:chemistry / Q000254:growth & development* / Q000382:microbiology; D018506:Gene Expression Regulation, Plant; D018551:Solanum lycopersicum / Q000737:chemistry / Q000254:growth & development / Q000382:microbiology*; D012639:Seeds / Q000254:growth & development / Q000382:microbiology; D055549:Volatile Organic Compounds / Q000032:analysis
chemical_list: D000596:Amino Acids; D055549:Volatile Organic Compounds
keywords: Kosakonia radicincitans; Solanum lycopersicum; fruit metabolites; plant growth-promoting bacteria