Regulation of Plasmodesmal Transport and Modification of Plasmodesmata During Development and Following Infection by Viruses and Viral Proteins

Burch‐Smith, Tessa M.; Zambryski, Patricia

doi:10.1007/978-3-319-25489-0_4

Cited by 9 publications

(4 citation statements)

References 160 publications

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“…For example, the PsbP (photosystem II oxygen-evolving complex protein) interacts with alfalfa mosaic virus (AMV) CP, and its overexpression observably hindered virus replication [28]. The RuBisCO small subunit could be hijacked by the tobamovirus movement proteins to facilitate the intercellular movement of virus [29,30]. The 3′-UTR region of bamboo mosaic virus (BaMV) interacts with chloroplast phosphoglycerate kinase (CpGK).…”

Section: Introductionmentioning

confidence: 99%

Characterization of Proteins Involved in Chloroplast Targeting Disturbed by Rice Stripe Virus by Novel Protoplast–Chloroplast Proteomics

Zhao

Chen

et al. 2019

IJMS

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Rice stripe virus (RSV) is one of the most devastating viral pathogens in rice and can also cause the general chlorosis symptom in Nicotiana benthamiana plants. The chloroplast changes associated with chlorosis symptom suggest that RSV interrupts normal chloroplast functions. Although the change of proteins of the whole cell or inside the chloroplast in response to RSV infection have been revealed by proteomics, the mechanisms resulted in chloroplast-related symptoms and the crucial factors remain to be elucidated. RSV infection caused the malformation of chloroplast structure and a global reduction of chloroplast membrane protein complexes in N. benthamiana plants. Here, both the protoplast proteome and the chloroplast proteome were acquired simultaneously upon RSV infection, and the proteins in each fraction were analyzed. In the protoplasts, 1128 proteins were identified, among which 494 proteins presented significant changes during RSV; meanwhile, 659 proteins were identified from the chloroplasts, and 279 of these chloroplast proteins presented significant change. According to the label-free LC–MS/MS data, 66 nucleus-encoded chloroplast-related proteins (ChRPs), which only reduced in chloroplast but not in the whole protoplast, were identified, indicating that these nuclear-encoded ChRPswere not transported to chloroplasts during RSV infection. Gene ontology (GO) enrichment analysis confirmed that RSV infection changed the biological process of protein targeting to chloroplast, where 3 crucial ChRPs (K4CSN4, K4CR23, and K4BXN9) were involved in the regulation of protein targeting into chloroplast. In addition to these 3 proteins, 41 among the 63 candidate proteins were characterized to have chloroplast transit peptides. These results indicated that RSV infection changed the biological process of protein targeting into chloroplast and the location of ChRPs through crucial protein factors, which illuminated a new layer of RSV–host interaction that might contribute to the symptom development.

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Section: Introductionmentioning

confidence: 99%

Characterization of Proteins Involved in Chloroplast Targeting Disturbed by Rice Stripe Virus by Novel Protoplast–Chloroplast Proteomics

Zhao

Chen

et al. 2019

IJMS

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“…In line with these findings, there are several studies demonstrating that some MPs from certain viruses behave as viral enhancers of RNA silencing (VERs) by facilitating the propagation of vsiRNAs from cell to cell (Vogler et al, 2008;Zhou et al, 2008;Lacombe et al, 2010). It is unclear whether the increased spread of the silencing signal induced by MPs could be mediated by the sequence-unspecific MP-RNA binding activity (Citovsky et al, 1990) or by an increase of the size exclusion limit of the plasmodesmata (reviewed in Burch-Smith and Zambryski, 2016) and/or by altering the components that mediate RNA silencing pathways (for a review, see Amari et al, 2012).…”

Section: Effects Of Tmv Movement Proteinmentioning

confidence: 96%

Modulation of host plant immunity by Tobamovirus proteins

Conti

Rodríguez

Venturuzzi

et al. 2016

Ann Bot

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Background To establish successful infection, plant viruses produce profound alterations of host physiology, disturbing unrelated endogenous processes and contributing to the development of disease. In tobamoviruses, emerging evidence suggests that viral-encoded proteins display a great variety of functions beyond the canonical roles required for virus structure and replication. Among these, their modulation of host immunity appears to be relevant in infection progression.Scope In this review, some recently described effects on host plant physiology of Tobacco mosaic virus (TMV)-encoded proteins, namely replicase, movement protein (MP) and coat protein (CP), are summarized. The discussion is focused on the effects of each viral component on the modulation of host defense responses, through mechanisms involving hormonal imbalance, innate immunity modulation and antiviral RNA silencing. These effects are described taking into consideration the differential spatial distribution and temporality of viral proteins during the dynamic process of replication and spread of the virus.Conclusion In discussion of these mechanisms, it is shown that both individual and combined effects of viralencoded proteins contribute to the development of the pathogenesis process, with the host plant's ability to control infection to some extent potentially advantageous to the invading virus.

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“…U mutantów ise1 i ise2 obserwuje się taki sam fenotyp, dlatego można sądzić, że podwyższenie potencjału redox mitochondriów i jego obniżenie w przypadku chloroplastów powoduje wzrost przepuszczalności plazmodesm, co z kolei jest przykładem komunikacji ONPS bez udziału jądra komórkowego. Chociaż mutanty gat1 oraz ise1 i ise2 mają przeciwstawny efekt w kontroli transportu przez plazmodesmy, to u obu mutantów można zaobserwować występowanie rozgałęzionych plazmodesm [83,92]. Ponadto, chloroplasty mogą brać udział w nabyciu systemowej odporności SAR (ang.…”

Section: Zmiany Komunikacji Symplastowej a Reakcja Roślin Na Stres Biotyczny I Abiotycznyunclassified

Komunikacja symplastowa – nadkomórkowy system regulacji różnicowania komórek

Godel-Jędrychowska

Kurczyńska²

2022

Postepy Biochem

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Plazmodesmy (PD) odkryte ponad 120 lat temu, ciągle stanowią zagadkę w związku z ich rolą w regulacji różnicowania komórek roślinnych. Badania ostatnich lat zweryfikowały nasze wyobrażenie nie tylko o budowie PD, ale także ich roli w wymianie informacji między komórkami organizmu roślinnego. Udział PD w przemieszczaniu się białek, w tym czynników transkrypcyjnych, hormonów oraz różnego rodzaju RNA wskazuje, że odgrywają istotną rolę w regulacji różnicowania komórek. Przemieszczanie się cząsteczek poprzez PD nazywane jest komunikacją symplastową, a jej ograniczenia lub brak stanowią istotny element kontrolujący kierunek różnicowania się komórek.

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Regulation of Plasmodesmal Transport and Modification of Plasmodesmata During Development and Following Infection by Viruses and Viral Proteins

Cited by 9 publications

References 160 publications

Characterization of Proteins Involved in Chloroplast Targeting Disturbed by Rice Stripe Virus by Novel Protoplast–Chloroplast Proteomics

Characterization of Proteins Involved in Chloroplast Targeting Disturbed by Rice Stripe Virus by Novel Protoplast–Chloroplast Proteomics

Modulation of host plant immunity by Tobamovirus proteins

Komunikacja symplastowa – nadkomórkowy system regulacji różnicowania komórek

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