Rapid specialization of counter defenses enables two-spotted spider mite to adapt to novel plant hosts
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Título
Rapid specialization of counter defenses enables two-spotted spider mite to adapt to novel plant hostsAutoría
Fecha de publicación
2021-08-31Editor
American Society of Plant BiologistsISSN
0032-0889; 1532-2548Cita bibliográfica
Golnaz Salehipourshirazi, Kristie Bruinsma, Huzefa Ratlamwala, Sameer Dixit, Vicent Arbona, Emilie Widemann, Maja Milojevic, Pengyu Jin, Nicolas Bensoussan, Aurelio Gómez-Cadenas, Vladimir Zhurov, Miodrag Grbic, Vojislava Grbic, Rapid specialization of counter defenses enables two-spotted spider mite to adapt to novel plant hosts, Plant Physiology, Volume 187, Issue 4, December 2021, Pages 2608–2622Tipo de documento
info:eu-repo/semantics/articleVersión
info:eu-repo/semantics/publishedVersionPalabras clave / Materias
Resumen
Genetic adaptation, occurring over a long evolutionary time, enables host-specialized herbivores to develop novel resistance traits and to efficiently counteract the defenses of a narrow range of host plants. In ... [+]
Genetic adaptation, occurring over a long evolutionary time, enables host-specialized herbivores to develop novel resistance traits and to efficiently counteract the defenses of a narrow range of host plants. In contrast, physiological acclimation, leading to the suppression and/or detoxification of host defenses, is hypothesized to enable broad generalists to shift between plant hosts. However, the host adaptation mechanisms used by generalists composed of host-adapted populations are not known. Two-spotted spider mite (TSSM; Tetranychus urticae) is an extreme generalist herbivore whose individual populations perform well only on a subset of potential hosts. We combined experimental evolution, Arabidopsis thaliana genetics, mite reverse genetics, and pharmacological approaches to examine mite host adaptation upon the shift of a bean (Phaseolus vulgaris)-adapted population to Arabidopsis. We showed that cytochrome P450 monooxygenases are required for mite adaptation to Arabidopsis. We identified activities of two tiers of P450s: general xenobiotic-responsive P450s that have a limited contribution to mite adaptation to Arabidopsis and adaptation-associated P450s that efficiently counteract Arabidopsis defenses. In approximately 25 generations of mite selection on Arabidopsis plants, mites evolved highly efficient detoxification-based adaptation, characteristic of specialist herbivores. This demonstrates that specialization to plant resistance traits can occur within the ecological timescale, enabling the TSSM to shift to novel plant hosts. [-]
Publicado en
Plant Physiology, Volume 187, Issue 4, (December 2021)Entidad financiadora
Ontario Research Fund (Government of Canada) | Natural Sciences and Engineering Research Council of Canada
Código del proyecto o subvención
RE08-067 | NSERC, RGPIN-2018-04538
Derechos de acceso
info:eu-repo/semantics/openAccess
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