Dataset Information

Whole eye proteomic analysis of bbs1 zebrafish mutants

ABSTRACT: Bardet-Biedl syndrome (BBS) is a ciliopathy characterized by retinal dystrophy, intellectual disability, polydactyly, obesity and renal anomalies. In photoreceptors (PR), light sensation occurs in outer segments (OSs), which are specialized primary cilia. BBS1, the major BBS gene, is part of a protein complex called “BBSome”, which is involved in intracellular protein transport. However, the precise function of BBS1/BBSome in controlling trafficking of ciliary proteins in PRs remains unclear. We generated a bbs1 knock out zebrafish mutant to investigate the role of Bbs1 and the BBSome in vivo. To detect global changes in the eye proteome and to verify the knock-out of Bbs1, we conducted a whole eyes proteomic investigation.

INSTRUMENT(S): Orbitrap Fusion Lumos

ORGANISM(S): Danio Rerio (zebrafish) (brachydanio Rerio)

TISSUE(S): Eye

DISEASE(S): Bardet-biedl Syndrome 1

SUBMITTER: Markus Masek

LAB HEAD: Ruxandra Bachmann-Gagescu

PROVIDER: PXD030522 | Pride | 2022-02-10

REPOSITORIES: Pride

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			Action	DRS
	20211116_C26694_002_S326836_BBS1_MUT_1_Knock-out__KO_.raw	Raw
	20211116_C26694_003_S326837_BBS1_MUT_2_Knock-out__KO_.raw	Raw
	20211116_C26694_004_S326838_BBS1_MUT_3_Knock-out__KO_.raw	Raw
	20211116_C26694_005_S326839_BBS1_MUT_4_Knock-out__KO_.raw	Raw
	20211116_C26694_008_S326832_BBS1_WT_1_Control_shotgun.raw	Raw

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Project description:The plant response may be triggered by various factors, including pathogens, non-pathogenic microbes, and natural or synthetic molecules, such as salicylic acid (SA), benzo(1,2,3)-Thiadiazole-7-Carbothioic Acid S-Methyl Ester (BTH) that are considered as plant resistance inducers. Resistance inducers mobilize the plant for the synthesis of defense compounds, but they are not directly toxic for the plant. The BTH is an analogue of SA, a molecule naturally synthesized in the plant during systemic acquired resistance (SAR). In this study, we hypothesized that challenging the plant with resistance inducer causes an increase in the level of proteins associated with defence response to external stimuli with primary metabolism and that the action of the choline derivative of the BTH (in the form of the ionic liquid) during induction of resistance in tomato plants is mediated by to some extent similar signaling pathways as it is in the case of unmodified BTH compound. Therefore, this study aimed to identify global proteome changes occurring in tomato plants exposed to resistance inducers as well as to identify common pathways associated with the plant's defense response to (+)ssRNA viruses induced upon both, viral infection and prior resistance inducer treatment. The effect of ionic liquids on changes in plant proteome is not described in the literature. The ionic character of compounds offers a great advantage of using them as the plant resistance inducer. The high chemical and thermal stability, as well as low volatility, guarantees safe application in fields. For that reason, comparing the action of the resistance inducer in the form of an ionic liquid with the core compound (BTH) will help to elucidate the mode of action of ionic liquid derivatives in plant resistance induction. To this end, two RNA-type viruses from different families were tested: tomato mosaic virus (ToMV, Virgaviridae) and potato virus Y (PVY, Potyviridae). The most affected processes presented in the results were: photosynthesis, regulation of oxidative stress, metabolism of glutathione and chitin, cell wall reorganization. The increased impact on the regulation of primary metabolism in inducer-treated plants (both for BTH and cholinium ionic liquid derivative). The response to ToMV and PVY was more intense when infected plants were pre-treated with inducers. The increased abundances of defense priming proteins with changes in cell wall organization may block virus transport from infected spots to other tissue of the host plant so that the losses caused by the disease will be lower.

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Whole eye proteomic analysis of bbs1 zebrafish mutants

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