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  Plant iron acquisition strategy exploited by an insect herbivore

Hu, L., Mateo, P., Ye, M., Zhang, X., Berset, J. D., Handrick, V., et al. (2018). Plant iron acquisition strategy exploited by an insect herbivore. Science, 361(6403), 694-697. doi:10.1126/science.aat4082.

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 Creators:
Hu, L., Author
Mateo, P., Author
Ye, M., Author
Zhang, X., Author
Berset, J. D., Author
Handrick, Vinzenz1, Author              
Radisch, Diana1, 2, Author              
Grabe, Veit3, Author              
Köllner, Tobias G.1, Author              
Gershenzon, Jonathan1, Author              
Robert, C. A. M., Author
Erb, M., Author
Affiliations:
1Department of Biochemistry, Prof. J. Gershenzon, MPI for Chemical Ecology, Max Planck Society, ou_421893              
2IMPRS on Ecological Interactions, MPI for Chemical Ecology, Max Planck Society, Jena, DE, ou_421900              
3Microscopy Service, Dr. Veit Grabe, MPI for Chemical Ecology, Max Planck Society, ou_3171478              

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 Abstract: Insect herbivores depend on their host plants to acquire macro- and micronutrients. Here we asked how a specialist herbivore and damaging maize pest, the western corn rootworm, finds and accesses plant-derived micronutrients. We show that the root feeding larvae use complexes between iron and benzoxazinoid secondary metabolites to identify maize as a host, to forage within the maize root system and to increase their growth. Maize plants use these same benzoxazinoids for protection against generalist herbivores and, as shown here, for iron uptake. We identify an iron transporter that allows the corn rootworm to benefit from complexes between benzoxazinoids and iron. Thus, foraging for an essential plant-derived complex between a micronutrient and a secondary metabolite shapes the interaction between maize and a specialist herbivore.

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 Dates: 2018-06-192018-08-172018-08-17
 Publication Status: Published in print
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 Identifiers: Other: GER514
DOI: 10.1126/science.aat4082
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Title: Science
Source Genre: Journal
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Publ. Info: Washington, D.C. : American Association for the Advancement of Science
Pages: - Volume / Issue: 361 (6403) Sequence Number: - Start / End Page: 694 - 697 Identifier: ISSN: 0036-8075
CoNE: https://pure.mpg.de/cone/journals/resource/991042748276600_1