Dataset Information

Crosstalk of Protein Expression and Lysine Acetylation in Response to TMV Infection in Nicotiana benthamiana

ABSTRACT: Kac, a reversible PTM, plays essential roles in various biological processes, including those involving metabolic pathways, pathogen resistance and transcription, in both prokaryotes and eukaryotes. TMV, the major factor that causes poor quality of Solanaceae crops worldwide, directly alters many metabolic processes in tobacco. However, the extent and function of Kac during TMV infection have not been determined. Here, using LC−MS/MS in conjunction with highly sensitive immune-affinity purification, we comprehensively analyzed the changes in the proteome and acetylome of TMV-infected tobacco (Nicotiana benthamiana) seedlings. In total, 2082 lysine-acetylated sites on 1319 proteins differentially expressed in response to TMV infection were identified. Extensive bioinformatic studies disclosed changes in acetylation of proteins engaged in cellular metabolism and biological processes. The vital influence of Kac in fatty acid degradation and alpha-linolenic acid metabolism was also revealed in TMV-infected seedlings. This study first revealed Kac information in N. benthamiana under TMV infection and expands upon the existing landscape of acetylation in pathogen infection.

INSTRUMENT(S): Q Exactive HF

ORGANISM(S): Nicotiana Tabacum (common Tobacco)

TISSUE(S): Leaf

SUBMITTER: Xianliang Ma

LAB HEAD: Jinguang Yang

PROVIDER: PXD035737 | Pride | 2022-10-15

REPOSITORIES: Pride

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			Action	DRS
	QE_HFX_2020928_50cm_60min_Fr1.raw	Raw
	QE_HFX_2020928_50cm_60min_Fr10.raw	Raw
	QE_HFX_2020928_50cm_60min_Fr11.raw	Raw
	QE_HFX_2020928_50cm_60min_Fr12.raw	Raw
	QE_HFX_2020928_50cm_60min_Fr13.raw	Raw

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Publications

Cross-Talk of Protein Expression and Lysine Acetylation in Response to TMV Infection in Nicotiana benthamiana.

Song Liyun L Zhan Huaixu H Wang Yujie Y Lin Zhonglong Z Li Bin B Shen Lili L Jiao Yubing Y Li Ying Y Wang Fenglong F Yang Jinguang J

ACS omega 20220901 36

Lysine acetylation (Kac), a reversible PTM, plays an essential role in various biological processes, including those involving metabolic pathways, pathogen resistance, and transcription, in both prokaryotes and eukaryotes. TMV, the major factor that causes the poor quality of Solanaceae crops worldwide, directly alters many metabolic processes in tobacco. However, the extent and function of Kac during TMV infection have not been determined. The validation test to detect K<s ...[more]

PMID: 36120045

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Project description:Hypersensitive response-related programmed cell death (PCD) has been extensively analyzed in various plant–virus interactions. However, little is known about changes in gene expression associated with cell death caused by compatible viruses. The synergistic interaction of Potato virus X (PVX) with Plum pox virus (PPV) results in increased symptoms that lead to systemic necrosis (SN) in Nicotiana benthamiana. Here, we performed three transcriptome comparisons in response to i) a PVX recombinant virus expressing the helper component-proteinase (HC-Pro) gene from PPV that leads to SN, ii) a systemic incompatible interaction conferred by the Tobacco mosaic virus (TMV)-resistance gene N (SHR), and iii) the depletion of the PBE subunit of the proteasome that leads to PCD by virus induced gene silencing (VIGS Prot), at early and late stages of infection. Our analysis indicated that the SN response was clustered with SHR by the similarity of their overall gene expression profiles. However, the expression profiles of defence-related and hormone-responsive genes in response to SN were more closely related to the response to VIGS Prot than to that elicited by SHR. This suggests the potential contribution of proteasome dysfunction to the increase in pathogenicity observed in PVX-potyvirus infections We compare the gene expression profiles of Nicotiana benthamiana plants infected with either necrosis-inducing viruses or non-necrosis-inducing viruses, as follow: PVX/HCWT-infected plants versus plants infected with a PVX recombinant virus expressing a PPV HC-Pro mutant (PVX/HCLH) that was unable to induce the SN response (SN comparison), at 7 and 11 days postinoculation (dpi), (ii) TRV:NbPBE-silenced plants versus plants infected with the TRV empty vector (VIGS Prot comparison), at 4 and 8 days after infiltration (dpa), and (iii) TMV-GFP-infected, N-transgenic plants versus wild-type plants infected with TMV-GFP (SHR comparison), at 24 and 72 hours after temperature shift (hts). Per time and treatment, three independent biological replicates were used to monitor differences in gene expression between treatments

Dataset Information

Crosstalk of Protein Expression and Lysine Acetylation in Response to TMV Infection in Nicotiana benthamiana

Dataset's files

Publications

Cross-Talk of Protein Expression and Lysine Acetylation in Response to TMV Infection in <i>Nicotiana benthamiana</i>.

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