EventsThe 1st International Electronic Conference on Metabolomics
Event submissions
Published
with-doi10.3390/iecm-1-B004
This submission belongs to the session B. Applications of Metabolomics in Agriculture and Industry of the event The 1st International Electronic Conference on Metabolomics
Published date
01 Nov, 2016
Citation
Daniela Aparecida Chagas-Paula, João Luiz Baldim Zanin, Olivia Silva Domingos, Antônio Rogério Bernardo, Ana Carolina Volante, Andréia Pereira Matos, João Henrique Ghilardi Lago, Marisi Gomes Soares, Metabolomic to target insecticidal compounds of Caesalpinia pluviosa var. peltophoroides against Spodoptera frugiperda , in Proceedings of The 1st International Electronic Conference on Metabolomics, 1 November–30 November 2016, MDPI: Basel, Switzerland, doi: 10.3390/iecm-1-B004
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Metabolomic to target insecticidal compounds of Caesalpinia pluviosa var. peltophoroides against Spodoptera frugiperda

João Luiz Baldim Zanin 1
Olivia Silva Domingos 1
Antônio Rogério Bernardo 2
Ana Carolina Volante 2
Andréia Pereira Matos 2
João Henrique Ghilardi Lago 3
Daniela Aparecida Chagas-Paula 1
Marisi Gomes Soares 1
1. Laboratório de Fitoquímica e Química Medicinal - LFQM, Chemistry Institute, Universidade Federal de Alfenas - UNIFAL-MG.
2. Departamento de Ciências Exatas, Universidade Federal de São Carlos – UFSCar
3. Departamento de Ciências Exatas e da Terra, Universidade Federal de São Paulo – UNIFESP
Abstract

Introduction

Spodoptera frugiperda (Lepidoptera: Noctuidae) is one of the main plagues of maize cultivation and it is resistant to the most used insecticides. Plants are important source of biopesticides due to their own mechanisms of interaction and diversified composition. Thus, fractions (hexane, acetate and hydro-ethanol ) of extracts from different parts of Caesalpinia pluviosa var. peltophoroides (Fabaceae) have insecticidal activity investigated. Chemical composition of the fractions were evaluated by UHPLC-HRFTMS, thereafter processed on MZmine 2.2 software  and exported to do multivariate statistical analysis (MSA) - O2PLS-DA (SIMCA-P 13.0). The dereplication of compounds were performed using DNP© , Scifinder® and our in house Caesalpinia database.

Results and Discussion

Six fractions were inactive and five displayed pupal or larval mortality. The O2PLS-DA analysis found a clear separation of inactive and insecticidal group (R2= 0,72) and indicated the metabolites highly correlated with the insecticidal property (VIP>1.95): eugenyl vicianoside; gluconic acid lactone and gallic acid.

Conclusions

Thus, through metabolomic strategies was possible to dereplicate the compounds most correlated with insecticidal property and this knowledge can be very useful to  development of new techniques to the crop pest control.

Acknowledgements

FAPEMIG and CNPQ for the financial funding and the AsterBioChem for the UHPLC-HRMS analysis.

Keywords
metabolomic
Caesalpinia pluviosa
Spodoptera frugiperda
insecticidal
UHPLC-HRMS
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