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Bacterial modes of action for enhancing of plant growth

Premachandra, D, Hudek, L and Brau, L 2016, Bacterial modes of action for enhancing of plant growth, Journal of biotechnology & biomaterials, vol. 6, no. 3, Article number: 1000236, pp. 1-8, doi: 10.4172/2155-952X.1000236.

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Title Bacterial modes of action for enhancing of plant growth
Author(s) Premachandra, D
Hudek, L
Brau, LORCID iD for Brau, L orcid.org/0000-0001-7105-8339
Journal name Journal of biotechnology & biomaterials
Volume number 6
Issue number 3
Season Article number: 1000236
Start page 1
End page 8
Total pages 8
Publisher OMICS International Journals
Place of publication Los Angeles, Calif.
Publication date 2016-08-02
ISSN 2155-952X
Keyword(s) plant growth promoting bacteria (PGPB)
biofertilizer
rhizosphere nitrogen fixation
siderophores
secondary metabolites
Summary The greatest issue affecting the sustainability of broad acre cropping both environmentally and economically is the requirement of fertilizers. These are based on mined phosphorous or other mineral ores, ammonia produced through the Harbour-Bosch process and industrially manufactured potash. As global demand for fertilizers increases, the costs associated with the production for each of these major nutrients increases. Biofertilizers such as plant growth promoting bacteria (PGPB) are a possible biotechnology that could alleviate the need for addition of increasing amounts of fertilizers. These bacteria naturally occur in soils and aggressively colonize around plant roots and have been shown to have plant growth promoting effects. PGPB are known to influence plant growth by various direct and indirect mechanisms; while some can affect plant physiology directly by mimicking synthesis of plant hormones,others increase mineral availability and nitrogen content in soil. Here we review the previously characterized modes of action for enhancement of plant growth by PGPB such as nitrogen fixation, nutrient solubilization and production of auxins and enzymes, as well as discussing more recent proposed modes of action such as secondary metabolites.
Language eng
DOI 10.4172/2155-952X.1000236
Field of Research 060799 Plant Biology not elsewhere classified
070303 Crop and Pasture Biochemistry and Physiology
Socio Economic Objective 970106 Expanding Knowledge in the Biological Sciences
HERDC Research category C1 Refereed article in a scholarly journal
ERA Research output type C Journal article
Copyright notice ©2016, The Authors
Free to Read? Yes
Use Rights Creative Commons Attribution licence
Persistent URL http://hdl.handle.net/10536/DRO/DU:30087619

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Every reasonable effort has been made to ensure that permission has been obtained for items included in DRO. If you believe that your rights have been infringed by this repository, please contact drosupport@deakin.edu.au.