Relevant bibliographies by topics / Rp1-D21

Academic literature on the topic 'Rp1-D21'

Author: Grafiati
Published: 10 December 2022
Last updated: 28 January 2023

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Journal articles on the topic "Rp1-D21"

1

Wang, Guan-Feng, and Peter J. Balint-Kurti. "Cytoplasmic and Nuclear Localizations Are Important for the Hypersensitive Response Conferred by Maize Autoactive Rp1-D21 Protein." Molecular Plant-Microbe Interactions® 28, no. 9 (September 2015): 1023–31. http://dx.doi.org/10.1094/mpmi-01-15-0014-r.

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Disease resistance (R) genes have been isolated from many plant species. Most encode nucleotide binding leucine-rich repeat (NLR) proteins that trigger a rapid localized programmed cell death called the hypersensitive response (HR) upon pathogen recognition. Despite their structural similarities, different NLR are distributed in a range of subcellular locations, and analogous domains play diverse functional roles. The autoactive maize NLR gene Rp1-D21 derives from an intragenic recombination between two NLR genes, Rp1-D and Rp1-dp2, and confers a HR independent of the presence of a pathogen. Rp1-D21 and its N-terminal coiled coil (CC) domain (CCD21) confer autoactive HR when transiently expressed in Nicotiana benthamiana. Rp1-D21 was predominantly localized in cytoplasm with a small amount in the nucleus, while CCD21 was localized in both nucleus and cytoplasm. Targeting of Rp1-D21 or CCD21 predominantly to either the nucleus or the cytoplasm abolished HR-inducing activity. Coexpression of Rp1-D21 or CCD21 constructs confined, respectively, to the nucleus and cytoplasm did not rescue full activity, suggesting nucleocytoplasmic movement was important for HR induction. This work emphasizes the diverse structural and subcellular localization requirements for activity found among plant NLR R genes.
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2

Zhu, Yu-Xiu, Chunxia Ge, Shijun Ma, Xiao-Ying Liu, Mengjie Liu, Yang Sun, and Guan-Feng Wang. "Maize ZmFNSI Homologs Interact with an NLR Protein to Modulate Hypersensitive Response." International Journal of Molecular Sciences 21, no. 7 (April 5, 2020): 2529. http://dx.doi.org/10.3390/ijms21072529.

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Nucleotide binding, leucine-rich-repeat (NLR) proteins are the major class of resistance (R) proteins used by plants to defend against pathogen infection. The recognition between NLRs and their cognate pathogen effectors usually triggers a rapid localized cell death, termed the hypersensitive response (HR). Flavone synthase I (FNSI) is one of the key enzymes in the flavone biosynthesis pathway. It also displays salicylic acid (SA) 5-hydroxylase (S5H) activity. A close homolog of FNSI/S5H displays SA 3-hydroxylase (S3H) activity. Both FNSI/S5H and S3H play important roles in plant innate immunity. However, the underlying molecular mechanisms and the relationship between S5H and S3H with the NLR-mediated HR are not known in any plant species. In this study, we identified three genes encoding ZmFNSI-1, ZmFNSI-2 and ZmS3H that are significantly upregulated in a maize line carrying an autoactive NLR Rp1-D21 mutant. Functional analysis showed that ZmFNSI-1 and ZmFNSI-2, but not ZmS3H, suppressed HR conferred by Rp1-D21 and its signaling domain CCD21 when transiently expressed in N. benthamiana. ZmFNSI-1 and ZmFNSI-2 physically interacted with CCD21. Furthermore, ZmFNSI-1 and ZmFNSI-2 interacted with HCT, a key enzyme in lignin biosynthesis pathway, which can also suppress Rp1-D21-mediated HR. These results lay the foundation for the further functional analysis of the roles of FNSI in plant innate immunity.
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3

Liu, Mengjie, Ya‐Jie Li, Yu‐Xiu Zhu, Yang Sun, and Guan‐Feng Wang. "Maize nicotinate N ‐methyltransferase interacts with the NLR protein Rp1‐D21 and modulates the hypersensitive response." Molecular Plant Pathology 22, no. 5 (March 6, 2021): 564–79. http://dx.doi.org/10.1111/mpp.13044.

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4

Negeri, Adisu, Guan-Feng Wang, Larissa Benavente, Cromwell M. Kibiti, Vijay Chaikam, Guri Johal, and Peter Balint-Kurti. "Characterization of temperature and light effects on the defense response phenotypes associated with the maize Rp1-D21 autoactive resistance gene." BMC Plant Biology 13, no. 1 (2013): 106. http://dx.doi.org/10.1186/1471-2229-13-106.

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5

Karre, Shailesh, Bong-Suk Kim, Saet-Byul Kim, Rajdeep S. Khangura, Shannon Sermons, Brian Dilkes, Gurmukh (Guri) Johal, and Peter Balint-Kurti. "Maize Plants Chimeric for an Autoactive Resistance Gene Display a Cell Autonomous Hypersensitive Response but Non-Cell Autonomous Defense Signaling." Molecular Plant-Microbe Interactions®, January 28, 2021. http://dx.doi.org/10.1094/mpmi-04-20-0091-r.

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The maize gene Rp1-D21 is a mutant form of the gene Rp1-D that confers resistance to common rust. Rp1-D21 triggers a spontaneous defense response that occurs in the absence of the pathogen and includes a programed cell death called the hypersensitive response (HR). Eleven plants heterozygous for Rp1-D21, in four different genetic backgrounds, were identified that had chimeric leaves with lesioned sectors showing HR abutting green non-lesioned sectors lacking HR. The Rp1-D21 sequence derived from each of the lesioned portions of leaves was unaltered from the expected sequence whereas the Rp1-D21 sequences from nine of the non-lesioned sectors displayed various mutations and we were unable to amplify Rp1-D21 from the other two non-lesioned sectors. In every case, the borders between the sectors were sharp with no transition zone, suggesting that HR and chlorosis associated with Rp1-D21 activity was cell-autonomous. Expression of defense response marker genes was assessed in the lesioned and non-lesioned sectors as well as in near-isogenic plants lacking and carrying Rp1-D21. Defense gene expression was somewhat elevated in non-lesioned sectors abutting sectors carrying Rp1-D21 compared to near-isogenic plants lacking Rp1-D21. This suggests that while the HR itself was cell autonomous, other aspects of the defense response initiated by Rp1-D21 were not.
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6

Ge, Chunxia, Yi-Ge Wang, Shouping Lu, Xiang Yu Zhao, Bing-Kai Hou, Peter J. Balint-Kurti, and Guan-Feng Wang. "Multi-Omics Analyses Reveal the Regulatory Network and the Function of ZmUGTs in Maize Defense Response." Frontiers in Plant Science 12 (September 24, 2021). http://dx.doi.org/10.3389/fpls.2021.738261.

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Maize is one of the major crops in the world; however, diseases caused by various pathogens seriously affect its yield and quality. The maize Rp1-D21 mutant (mt) caused by the intragenic recombination between two nucleotide-binding, leucine-rich repeat (NLR) proteins, exhibits autoactive hypersensitive response (HR). In this study, we integrated transcriptomic and metabolomic analyses to identify differentially expressed genes (DEGs) and differentially accumulated metabolites (DAMs) in Rp1-D21 mt compared to the wild type (WT). Genes involved in pathogen-associated molecular pattern (PAMP)-triggered immunity (PTI) and effector-triggered immunity (ETI) were enriched among the DEGs. The salicylic acid (SA) pathway and the phenylpropanoid biosynthesis pathway were induced at both the transcriptional and metabolic levels. The DAMs identified included lipids, flavones, and phenolic acids, including 2,5-DHBA O-hexoside, the production of which is catalyzed by uridinediphosphate (UDP)-dependent glycosyltransferase (UGT). Four maize UGTs (ZmUGTs) homologous genes were among the DEGs. Functional analysis by transient co-expression in Nicotiana benthamiana showed that ZmUGT9250 and ZmUGT5174, but not ZmUGT9256 and ZmUGT8707, partially suppressed the HR triggered by Rp1-D21 or its N-terminal coiled-coil signaling domain (CCD21). None of the four ZmUGTs interacted physically with CCD21 in yeast two-hybrid or co-immunoprecipitation assays. We discuss the possibility that ZmUGTs might be involved in defense response by regulating SA homeostasis.
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7

Luan, Qing‐Ling, Yu‐Xiu Zhu, Shijun Ma, Yang Sun, Xiao‐Ying Liu, Mengjie Liu, Peter J. Balint‐Kurti, and Guan‐Feng Wang. "Maize metacaspases modulate the defense response mediated by the NLR protein Rp1‐D21 likely by affecting its subcellular localization." Plant Journal, November 20, 2020. http://dx.doi.org/10.1111/tpj.15047.

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