AI Article Synopsis
- The brown planthopper (BPH) is a major pest for rice crops, and the Bph3 gene is crucial for rice resistance against BPH, but its proteomic impact hasn't been studied extensively.
- A research study used advanced techniques to identify proteins affected by BPH infestation in rice, discovering significant differences in protein expression between rice lines with and without the Bph3 gene.
- Findings suggest that Bph3 boosts BPH resistance by maintaining protein levels related to key metabolic and signaling pathways, particularly those connected to calcium signaling and plant hormones.
Article Abstract
Background: The brown planthopper (BPH) is an economically significant pest of rice. Bph3 is a key BPH resistance gene. However, the proteomic response of rice to BPH infestation, both in the presence and absence of Bph3, remains largely unexplored.
Results: In this study, we employed tandem mass tag labeling in conjunction with liquid chromatography-tandem mass spectrometry (LC-MS/MS) analysis to identify differentially expressed proteins (DEPs) in rice samples. We detected 265 and 125 DEPs via comparison of samples infected with BPH for 2 and 4 days with untreated samples of the BPH-sensitive line R582. For the Bph3 introgression line R373, we identified 29 and 94 DEPs in the same comparisons. Bioinformatic analysis revealed that Bph3 significantly influences the abundance of proteins associated with metabolic pathways, secondary metabolite biosynthesis, microbial metabolism in diverse environments, and phenylpropanoid biosynthesis. Moreover, Bph3 regulates the activity of proteins involved in the calcium signaling pathway, mitogen-activated protein kinase (MAPK) signaling pathway, and plant hormone signal transduction.
Conclusions: Our results indicate that Bph3 enhances the resistance of rice to BPH mainly by inhibiting the down-regulation of proteins associated with metabolic pathways; calcium signaling, the MAPK signaling pathway, and plant hormone signal transduction might also be involved in BPH resistance induced by Bph3.
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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC11575174 | PMC |
| http://dx.doi.org/10.1186/s12870-024-05799-7 | DOI Listing |
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