ArticlePlant physiology2006
Silencing of a germin-like gene in Nicotiana attenuata improves performance of native herbivores.
Article in Plant physiology, 2006. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 56 papers.
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56 citing papers in PubMed, 132 citations in OpenAlex.
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- An Insect Effector Mimics Its Host Immune Regulator to Undermine Plant Immunity.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2025Article
- Nymphal feeding suppresses oviposition-induced indirect plant defense in rice.Nature communications · 2025Article
- Genomic Exploration: Unraveling the Intricacies of Indica RiceACS omega · 2024Article
- Effects of Secondary Metabolites of Rice on Brown Planthopper and Its Symbionts.International journal of molecular sciences · 2023Article
- Article
- OsGLP participates in the regulation of lignin synthesis and deposition in rice against copper and cadmium toxicity.Frontiers in plant science · 2022Article
- Planthopper-Secreted Salivary Calmodulin Acts as an Effector for Defense Responses in Rice.Frontiers in plant science · 2022Article
- Computational Analysis of HTS Data and Its Application in Plant Pathology.Methods in molecular biology (Clifton, N.J.) · 2022Article
- Bumble bee (Bombus impatiens) survival, pollen usage, and reproduction are not affected by oxalate oxidase at realistic concentrations in American chestnut (Castanea dentata) pollen.Transgenic research · 2021Article
- Potential stress tolerance roles of barley germins and GLPs.Development genes and evolution · 2021Article
- Both Allene Oxide Synthases Genes Are Involved in the Biosynthesis of Herbivore-Induced Jasmonic Acid and Herbivore Resistance in Rice.Plants (Basel, Switzerland) · 2021Article
- Genome-Wide Identification and Expression Profiling of Germin-Like Proteins Reveal Their Role in Regulating Abiotic Stress Response in Potato.Frontiers in plant science · 2021Article
- Molecular evidence for the involvement of cotton GhGLP2, in enhanced resistance to Verticillium and Fusarium Wilts and oxidative stress.Scientific reports · 2020Article
- Induction of defense in cereals by 4-fluorophenoxyacetic acid suppresses insect pest populations and increases crop yields in the field.Proceedings of the National Academy of Sciences of the United States of America · 2020Article
- (Horticulture research · 2020Article
- Proteomic Analysis of MeJa-Induced Defense Responses in Rice against Wounding.International journal of molecular sciences · 2019Article
- A Group D MAPK Protects Plants from Autotoxicity by Suppressing Herbivore-Induced Defense Signaling.Plant physiology · 2019Article
- Multiple molecular defense strategies in Brachypodium distachyon surmount Hessian fly (Mayetiola destructor) larvae-induced susceptibility for plant survival.Scientific reports · 2019Article
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Authors and funding
2 authors at 1 institution in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Germins and germin-like proteins (GLPs) are known to function in pathogen resistance, but their involvement in defense against insect herbivores is poorly understood. In the native tobacco Nicotiana attenuata, attack from the specialist herbivore Manduca sexta or elicitation by adding larval oral secretions (OS) to wounds up-regulates transcripts of a GLP. To understand the function of this gene, which occurs as a single copy, we cloned the full-length NaGLP and silenced its expression in N. attenuata by expressing a 250-bp fragment in an antisense orientation with an Agrobacterium-based transformation system and by virus-induced gene silencing (VIGS). Homozygous lines harboring a single insert and VIGS plants had significantly reduced constitutive (measured in roots) and elicited NaGLP transcript levels (in leaves). Silencing NaGLP improved M. sexta larval performance and Tupiocoris notatus preference, two native herbivores of N. attenuata. Silencing NaGLP also attenuated the OS-induced hydrogen peroxide (H(2)O(2)), diterpene glycosides, and trypsin proteinase inhibitor responses, which may explain the observed susceptibility of antisense or VIGS plants to herbivore attack and increased nicotine contents, but did not influence the OS-elicited jasmonate and salicylate bursts, or the release of the volatile organic compounds (limonene, cis-alpha-bergamotene, and germacrene-A) that function as an indirect defense. This suggests that NaGLP is involved in H(2)O(2) production and might also be related to ethylene production and/or perception, which in turn influences the defense responses of N. attenuata via H(2)O(2) and ethylene-signaling pathways.
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