Frédéric Lamblin
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View article: Contrasting biochemical compositions and microbial interactions of English oak and black poplar root mucilage
Contrasting biochemical compositions and microbial interactions of English oak and black poplar root mucilage Open
Root mucilage plays a crucial role in plant-soil interactions, yet its composition and functions for trees remain largely unexplored. We investigated the root mucilage of two tree species with contrasting growth strategies: the slow-growin…
View article: Growth parameter optimization of hybrid poplar (Populus tremula × Populus alba) hairy root culture for the production of antioxidant specialized metabolites
Growth parameter optimization of hybrid poplar (Populus tremula × Populus alba) hairy root culture for the production of antioxidant specialized metabolites Open
Hairy roots cultures resulting from transformation by the soil bacteria Rhizobium rhizogenes represent a biotechnological tool to produce specialized bioactive metabolites. We previously developed a protocol allowing the sustainable produc…
View article: A yeast osmotic reporter system as a tool to identify biostimulant for plant drought stress tolerance
A yeast osmotic reporter system as a tool to identify biostimulant for plant drought stress tolerance Open
In the context of global warming, water availability is a major concern and strategies aiming at the protection of this vital resource without reduction of crop yield are of particular interest. In this regard, a system able to identify ne…
View article: Searching for Osmosensing Determinants in Poplar Histidine-Aspartate Kinases
Searching for Osmosensing Determinants in Poplar Histidine-Aspartate Kinases Open
Previous works have shown the existence of protein partnership, belonging to a MultiStep Phosphorelay (MSP), potentially involved in osmosensing in Populus. The first actor of this signalling pathway belongs to the histidine-aspartate kina…
View article: Black Poplar (Populus nigra L.) Root Extracellular Trap, Structural and Molecular Remodeling in Response to Osmotic Stress
Black Poplar (Populus nigra L.) Root Extracellular Trap, Structural and Molecular Remodeling in Response to Osmotic Stress Open
The root extracellular trap (RET) consists of root-associated, cap-derived cells (root AC-DCs) and their mucilaginous secretions, and forms a structure around the root tip that protects against biotic and abiotic stresses. However, there i…
View article: New Insight into HPts as Hubs in Poplar Cytokinin and Osmosensing Multistep Phosphorelays: Cytokinin Pathway Uses Specific HPts
New Insight into HPts as Hubs in Poplar Cytokinin and Osmosensing Multistep Phosphorelays: Cytokinin Pathway Uses Specific HPts Open
We have previously identified proteins in poplar which belong to an osmosensing (OS) signaling pathway, called a multistep phosphorelay (MSP). The MSP comprises histidine-aspartate kinases (HK), which act as membrane receptors; histidine p…
View article: Salivary proteins of<i>Phloeomyzus passerinii</i>, a plant-manipulating aphid, and their impact on early gene responses of susceptible and resistant poplar genotypes
Salivary proteins of<i>Phloeomyzus passerinii</i>, a plant-manipulating aphid, and their impact on early gene responses of susceptible and resistant poplar genotypes Open
Successful plant colonization by parasites requires the circumvention of host defenses, and sometimes a reprogramming of host metabolism, mediated by effector molecules delivered into the host. Using transcriptomic and enzymatic approaches…
View article: Laser Microdissection and Spatiotemporal Pinoresinol-Lariciresinol Reductase Gene Expression Assign the Cell Layer-Specific Accumulation of Secoisolariciresinol Diglucoside in Flaxseed Coats
Laser Microdissection and Spatiotemporal Pinoresinol-Lariciresinol Reductase Gene Expression Assign the Cell Layer-Specific Accumulation of Secoisolariciresinol Diglucoside in Flaxseed Coats Open
The concentration of secoisolariciresinol diglucoside (SDG) found in flaxseed (Linum usitatissimum L.) is higher than that found in any other plant. It exists in flaxseed coats as an SDG-3-hydroxy-3-methylglutaric acid oligomer complex. A …