ArticlePlanta2019
A maize cytochrome b-c1 complex subunit protein ZmQCR7 controls variation in the hypersensitive response.
Article in Planta, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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Who cites it
6 citing papers in PubMed, 13 citations in OpenAlex.
- Deciphering the mechanism of selenium-induced resistance to TR4 in bananas via proteomic profiling.BMC plant biology · 2026Article
- Recent insights on gene expression studies onPhysiology and molecular biology of plants : an international journal of functional plant biology · 2022Review
- The maize ZmMIEL1 E3 ligase and ZmMYB83 transcription factor proteins interact and regulate the hypersensitive defence response.Molecular plant pathology · 2021Article
- Use of virus-induced gene silencing to characterize genes involved in modulating hypersensitive cell death in maize.Molecular plant pathology · 2020Article
- The plant hypersensitive response: concepts, control and consequences.Molecular plant pathology · 2019Review
- A maize polygalacturonase functions as a suppressor of programmed cell death in plants.BMC plant biology · 2019Article
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Authors and funding
3 authors at 2 institutions in 1 country.
Funding
Abstract
MAIN
conclusionThe gene GRMZM2G318346 which encodes a cytochrome b-c1 complex subunit 7 is associated with variation in strength of the hypersensitive response in maize. We previously identified a QTL at 3,545,354 bp (B73 reference genome V2) on maize chromosome 5 associated with variation in the hypersensitive response (HR) conferred by the autoactive R-gene Rp1-D21 (Olukolu et al. in PLoS Genet 10:e1004562 2014). In this study, we show that a gene at this locus, GRMZM2G318346 which encodes a cytochrome b-c1 complex subunit seven (ZmQCR7), an important part of the mitochondrial electron transport chain, can suppress HR mediated by Rp1-D21 in a transient expression assay. ZmQCR7 alleles from two maize lines, W22 and B73 differ for the encoded proteins at just two sites, amino acid 27 (threonine and alanine in B73 and W22, respectively) and amino acid 109 (asparagine and serine), however, the B73 allele is much more effective at suppressing HR. We show that variation at amino acid 27 controlled this variation in HR-suppressing effects. We furthermore demonstrate that the B73 allele of ZmQCR7 can suppress HR induced by RPM1(D505 V), another autoactive R-gene, and that Arabidopsis homologs of ZmQCR7 can also suppress NLR-induced HR. The implications of these findings are discussed.
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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.