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Molecular Effects of Xylella fastidiosa and Drought Combined Stress in Olive Trees
Due to global climate change, complex combinations of stresses are expected to occur, among which the interaction between pathogens and drought stress may have a significant effect on growth and yi...
Molecular Profiling of Pierce's Disease Outlines the Response Circuitry of Vitis vinifera to Xylella fastidiosa Infection
Non-Lethal Effects of N-Acetylcysteine on Xylella fastidiosa Strain De Donno Biofilm Formation and Detachment
This study investigated in-vitro the non-lethal effects of N-acetylcysteine (NAC) on Xylella fastidiosa subspecies pauca strain De Donno (Xf-DD) biofilm. This strain was isolated from the olive tre...
Ohr plays a central role in bacterial responses against fatty acid hydroperoxides and peroxynitrite
Organic hydroperoxide resistance (Ohr) enzymes are unique Cysbased, lipoyl-dependent peroxidases. Here, we investigated the involvement of Ohr in bacterial responses toward distinct hydroper-oxides...
Organic hydroperoxide resistance gene encodes a thiol-dependent peroxidase
ohr (organic hydroperoxide resistance gene) is present in several species of bacteria, and its deletion renders cells specifically sensitive to organic peroxides. The goal of this work was to deter...
Oxidative stress tolerance is critical for xylem colonization and virulence of xylem-limited pathogens Xanthomonas albilineans and Xylella fastidiosa
Xanthomonas albilineans (Xal) and Xylella fastidiosa (Xf) are xylem-limited bacteria causing leaf scald of sugarcane and Pierce’s disease in grapevines, respectively. Hydrogen peroxide (H2O2) is es...
Persistence in Phytopathogenic Bacteria: Do We Know Enough?
Phytopathogenic bacteria affect a wide range of crops worldwide and have a negative impact in agriculture due to their associated economic losses and environmental impacts. Together with other biot...
The role of iron in Mycobacterium smegmatis biofilm formation: the exochelin siderophore is essential in limiting iron conditions for biofilm formation but not for planktonic growth
Many species of mycobacteria form structured biofilm communities at liquid-air interfaces and on solid surfaces. Full development of Mycobacterium smegmatis biofilms requires addition of supplement...
Xylella fastidiosa Differentially Accumulates Mineral Elements in Biofilm and Planktonic Cells
Xylella fastidiosa is a bacterial plant pathogen that infects numerous plant hosts. Disease develops when the bacterium colonizes the xylem vessels and forms a biofilm. Inductively coupled plasma o...
