Translocation and insecticidal activity of Bacillus thuringiensis living inside of plants

Monnerat, Rose Gomes, Soares, Carlos Marcelo, Capdeville, Guy, Jones, Gareth, Martins, Érica Soares, Praça, Lilian, Cordeiro, Bruno Arrivabene, Braz, Shélida Vasconcelos, dos Santos, Roseane Cavalcante and Berry, Colin ORCID: https://orcid.org/0000-0002-9943-548X 2009. Translocation and insecticidal activity of Bacillus thuringiensis living inside of plants. Microbial Biotechnology 2 (4) , pp. 512-520. 10.1111/j.1751-7915.2009.00116.x

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Abstract

The major biological pesticide for the control of insect infestations of crops, Bacillus thuringiensis was found to be present naturally within cotton plants from fields that had never been treated with commercial formulations of this bacterium. The ability of B. thuringiensis to colonize plants as an endophyte was further established by the introduction of a strain marked by production of green fluorescent protein (GFP). After inoculation of this preparation close to the roots of cotton and cabbage seedlings, GFP-marked bacteria could be re-isolated from all parts of the plant, having entered the roots and migrated through the xylem. Leaves taken from the treated plants were able to cause toxicity when fed to the Lepidoptera Spodoptera frugiperda (cotton) and Plutella xylostella (cabbage). These results open up new horizons for understanding the natural ecology and evolution of B. thuringiensis and use of B. thuringiensis in insect control.

Item Type:	Article
Date Type:	Publication
Status:	Published
Schools:	Biosciences
Subjects:	Q Science > Q Science (General) Q Science > QH Natural history
Additional Information:	Special Issue: Life of microbes that interact with plants. PDF uploaded in accordance with policies at http://www.sherpa.ac.uk/romeo/issn/1751-7915/ [accessed 29/04/2015]
Publisher:	Wiley
ISSN:	1751-7907
Date of First Compliant Deposit:	30 March 2016
Last Modified:	05 May 2023 16:07
URI:	https://orca.cardiff.ac.uk/id/eprint/23252

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