Please use this identifier to cite or link to this item: https://hdl.handle.net/1959.11/18594
Title: Assessment of affinity and specificity of 'Azospirillum' for plants
Contributor(s): Pereg, Lily  (author); de-Bashan, Luz E (author); Bashan, Yoav (author)
Publication Date: 2016
DOI: 10.1007/s11104-015-2778-9
Handle Link: https://hdl.handle.net/1959.11/18594
Abstract: Background: 'Azospirillum' spp. are the most studied plant growth-promoting bacteria (PGPB). The genus represents a common model for plant-bacteria interactions. This genus was initially isolated and tested on cereals and was subsequently commercialized. Aims: Despite claims of plant specificity, particularly towards cereals, data over the past 40 years does not appear to substantiate claims of such specificity/affinity of 'Azospirillum' species. Consequently an evaluation of the specificity/affinity of the genus 'Azospirillum' across all plants, in general, and cereals, in particular, was undertaken. Results: Although the majority of studies focused on cereals, 'Azospirillum' spp. increase growth of 113 plant species across 35 botanical families, including 14 species of cereals. Amongst 'Azospirillum' spp., several well studied strains have been effective in several plant species, making these organisms potentially valuable for further study. Conclusions: This review demonstrates that azospirilla are not cereal-specific at the genus and species levels. 'Azospirillum' serves as a general PGPB to every plant species tested so far. Given the paucity of widespread screening, affinity of strains to a plant genotype, cultivar, or plant species cannot be overruled. Definitive conclusions concerning such specificity require molecular and cross-inoculation studies, using various strains of bacteria, and re-isolation after growth of the plants in different plant species.
Publication Type: Journal Article
Source of Publication: Plant and Soil, 399(1-2), p. 389-414
Publisher: Springer Netherlands
Place of Publication: The Netherlands
ISSN: 0032-079X
1573-5036
Field of Research (FOR): 060799 Plant Biology not elsewhere classified
050303 Soil Biology
060504 Microbial Ecology
Socio-Economic Outcome Codes: 970106 Expanding Knowledge in the Biological Sciences
961402 Farmland, Arable Cropland and Permanent Cropland Soils
970107 Expanding Knowledge in the Agricultural and Veterinary Sciences
Peer Reviewed: Yes
HERDC Category Description: C1 Refereed Article in a Scholarly Journal
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