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Purple non‐sulphur bacteria and plant production: benefits for fertilization, stress resistance and the environment

Purple non‐sulphur bacteria and plant production: benefits for fertilization, stress resistance and the environment

Sakarika, Myrsini, Spanoghe, Janne, Sui, Yixing ORCID: 0000-0003-2646-5773, Wambacq, Eva, Grunert, Oliver, Haesaert, Geert, Spiller, Marc and Vlaeminck, Siegfried E. (2019) Purple non‐sulphur bacteria and plant production: benefits for fertilization, stress resistance and the environment. Microbial Biotechnology, 13 (5). pp. 1336-1365. ISSN 1751-7915 (doi:https://doi.org/10.1111/1751-7915.13474)

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Abstract

Purple non-sulphur bacteria (PNSB) are phototrophic microorganisms, which increasingly gain attention in plant production due to their ability to produce and accumulate high-value compounds that are benefi- cial for plant growth. Remarkable features of PNSB include the accumulation of polyphosphate, the pro- duction of pigments and vitamins and the production of plant growth-promoting substances (PGPSs). Scattered case studies on the application of PNSB for plant cultivation have been reported for decades, yet a comprehensive overview is lacking. This review highlights the potential of using PNSB in plant pro- duction, with emphasis on three key performanceindicators (KPIs): fertilization, resistance to stress (biotic and abiotic) and environmental benefits. PNSB have the potential to enhance plant growth performance, increase the yield and quality of edible plant biomass, boost the resistance to environmental stresses, bioremediate heavy metals and mitigate greenhouse gas emissions. Here, the mechanisms responsible for these attributes are discussed. A dis- tinction is made between the use of living and dead PNSB cells, where critical interpretation of existing literature revealed the better performance of living cells. Finally, this review presents research gaps that remain yet to be elucidated and proposes a roadmap for future research and implementation paving the way for a more sustainable crop production.

Item Type: Article
Uncontrolled Keywords: Purple non-sulphur bacteria
Subjects: S Agriculture > SB Plant culture
Faculty / Department / Research Group: Faculty of Engineering & Science
Faculty of Engineering & Science > School of Science (SCI)
Related URLs:
Last Modified: 06 Aug 2021 10:56
Selected for GREAT 2016: None
Selected for GREAT 2017: None
Selected for GREAT 2018: None
Selected for GREAT 2019: None
Selected for REF2021: None
URI: http://gala.gre.ac.uk/id/eprint/33363

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