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A naturally occurring epigenetic mutation in a gene encoding an SBP-box transcription factor inhibits tomato fruit ripening
TLDR
It is demonstrated that an SBP-box gene is critical for normal ripening and highlights the likely importance of epialleles in plant development and the generation of natural variation.
A tomato HD-Zip homeobox protein, LeHB-1, plays an important role in floral organogenesis and ripening
TLDR
The findings suggest that LeHB-1 is not only involved in the control of ripening but also plays a critical role in floral organogenesis.
Functional Characterization of the Nuclear Localization Signal for a Suppressor of Posttranscriptional Gene Silencing
TLDR
It is established that nuclear localization is likely required for C2 protein to function in C2-mediated induction of necrosis and suppression of PTGS, which may follow diverse pathways in plants.
Chloroplast in Plant-Virus Interaction
TLDR
Chloroplast is a common target of plant viruses for viral pathogenesis or propagation; and conversely, chloroplast and its components also can play active roles in plant defense against viruses.
Hypovirus Papain-Like Protease p29 Suppresses RNA Silencing in the Natural Fungal Host and in a Heterologous Plant System
TLDR
It is reported that hypovirus CHV1-EP713-encoded p29 can suppress RNA silencing in the natural host, the chestnut blight fungus Cryphonectria parasitica.
Cytoplastic Glyceraldehyde-3-Phosphate Dehydrogenases Interact with ATG3 to Negatively Regulate Autophagy and Immunity in Nicotiana benthamiana
TLDR
Autophagy-related protein 3 (ATG3) interacts with the cytosolic glyceraldehyde-3-phosphate dehydrogenases (GAPCs) to regulate autophagy in Nicotiana benthamiana plants and it is found that oxidative stress inhibits the interaction of ATG3 with GAPCs.
A DEMETER-like DNA demethylase governs tomato fruit ripening
TLDR
This work defines a molecular mechanism, which has until now been missing, to explain the correlation between genomic DNA demethylation and fruit ripening and demonstrates a direct cause-and-effect relationship between active DNA dem methylation and induction of gene expression in fruits.
Mutation of three cysteine residues in Tomato yellow leaf curl virus-China C2 protein causes dysfunction in pathogenesis and posttranscriptional gene-silencing suppression.
TLDR
It is demonstrated that TYLCV-C C2, like its counterpart in the bipartite begomovirus African cassava mosaic virus, mediates suppression of posttranscriptional gene silencing (PTGS) and to act as a suppressor of PTGS.
Autophagy Contributes to Leaf Starch Degradation[C][W]
TLDR
It is reported that autophagy, a nonplastidial process, participates in leaf starch degradation and contributes to transitory starch degradation by sequestering SSGLs to the vacuole for their subsequent breakdown.
Autophagy functions as an antiviral mechanism against geminiviruses in plants
TLDR
The plant autophagic machinery targets the virulence factor βC1 of Cotton leaf curl Multan virus for degradation through its interaction with the key autophagy protein ATG8, which represents a novel anti-pathogenic mechanism that plays an important role in antiviral immunity in plants.
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