Two new RNA degradation factors identified in Arabidopsis
RNA degradation is key to control gene expression. The group of Dominique Gagliardi identified two new RNA degradation…
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Genome surveillance in plants: a new motif in Pol IV
In addition to the three RNA polymerases conserved in all eukaryotes, terrestrial plants express subunits for a fourth…
Resetting ABA signaling requires the degradation of PP2C phosphatases by BPM3 and 5 proteins
As sessile organisms, plants need fast, finely regulated signaling pathways to adapt their growth and survival to their…
Small RNAs and cell cycle control in plants
Control of the cell cycle stages requires the dynamic accumulation of RNA and specific proteins. In mammals a…
SolariX can see the invisible in black poplar leaves
In a study focused on water quality at the exit of a wastewater treatment facility, researchers from Plant…
Higher interactive complexity between histone marks in Arabidopsis
In eukaryotes, epigenetic modifications of histones are one of the many mechanisms allowing the dynamic control of DNA…
Small is big in Arabidopsis mitochondrial ribosome
Ribosomes are the molecular machines that translate messenger RNAs into proteins. They consist of two subunits. The small…
Recycle to stay green!
The salvage pathway allows the rapid provision of nucleotides necessary for DNA synthesis and repair. In plants, this…
Small but strong!
Equipped with high-resolution mass spectrometry instruments since 2017, the IBMP’s Plant Imaging Mass Spectrometry platform was able to…
The AGO1 DUF1785 is required for unwinding perfectly matched sRNA duplexes
RNA interference (RNAi), a major defense of plants against viruses, is based on the use of small RNA…
High-fidelity production of dsRNA: a key step towards crop protection
In order to protect plants from pathogens that threaten crops and food security, farmers use chemical pesticides that…
Plants can recover from viral disease and achieve a virus-tolerant state
Virus-induced diseases cause severe damages to cultivated plants resulting in crop losses. Interestingly, in some cases, the diseased…
A new catalytic activity for the RNA exosome in eukaryotes
The RNA exosome is a key component of the RNA degradation machinery in eukaryotes. The team of Dominique…
Mitochondrial mRNAs in Chlamydomonas reinhardtii: C the difference!
RNA modifications play a major role in gene expression. The existence of poly (A) additions at the 3′-end…
A plant RNase P – tRNA complex on JBC cover
RNase P is a universal enzyme that removes 5′ leader sequences (spark) from tRNA precursors. An integrative structural…
Camel cures for ailing grapevines
Grapevine fanleaf degeneration disease is of viral origin and appears on the list of the most pathogenic vine…
Divert to better control: how plants control their defenses
Plants are constantly attacked by insects, germs, and other pests, and activate sophisticated defense mechanisms as soon as…
A new counterdefense of plant viruses: send siRNAs to a blind alley !
In plants, RNA interference (RNAi) is the main defense against viruses. This antiviral mechanism is driven by small…
Reproductive isolation : epigenetics enters the mix
Genetic variation produces population diversity on which natural selection can act, but for biological species to form, barriers…
Moss cuticle : an ancestor of lignin of vascular plant ?
Evolution of two essential biopolymers, lignin and cutin, has been required for successful plant transition from water to…
ROP2 and TOR at the heart of the translational regulation by auxin in plants
Auxins is an essential phytohormone that regulates multiple aspects of plant growth and development. If it exerts a…
How does plant metabolism evolve ?
The team of Daniele Werck found, through a combined approach of phylogenomics biochemistry of cytochrome P450 and analytical…
The unveiled origin of wine lactone, a typical aroma of Gewurztraminer wine
The lactone of wine significantly contributes to the bouquet of aromatic white wines such as Gewurztraminer. This molecule…
Unexpected role of uridylation in repairing the ends of messenger RNA
The eukaryotic messenger RNAs end with a succession of dozens of adenosine, commonly called poly (A) tail. A…
Gibberellins put the iron in spinach!
Patrick Achard team reveals that tissue-specific distribution of signaling by phytohormones gibberellins (GAs) in the roots, allows plants…
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