Results 71 to 80 of about 2,670 (208)

Dissemination of Pseudomonas syringae pv. actinidiae through pollen and its epiphytic life on leaves and fruit [PDF]

open access: yes, 2011
The role of pollen in disseminating Pseudomonas syringae pv. actinidiae (Psa) in kiwifruit orchards was investigated and the survival of the pathogen as an epiphyte on leaves and fruits was followed, from pollination time until the pre-harvest season ...
GIOVANARDI, DAVIDE, STEFANI, Emilio
core  

Contribution of mangotoxin to the virulence and epiphytic fitness of Pseudomonas syringae pv. syringae [PDF]

open access: yes, 2009
Mangotoxin is an antimetabolite toxin that inhibits ornithine acetyl transferase, a key enzyme in the biosynthetic pathway of ornithine and arginine and recently reported in strains of Pseudomonas syringae pv. syringae (Pss) isolated from mango.
Alejandro Pérez-García   +5 more
core   +4 more sources

Pseudomonas syringae pv. actinidiae chemotaxis and the kiwifruit phyllosphere

open access: yes, 2022
<p><b>Pseudomonas syringae pv. actinidiae (Psa) is causative agent of bacterial canker of kiwifruit. Outbreaks of bacterial canker disease cause significant ecological impact and economic losses both in New Zealand and globally. The first stage of infection is host colonisation.
openaire   +1 more source

Some Like it Hot: Efficiency of the Type III Secretion System has Multiple Thermosensitive Behaviours in the Pseudomonas syringae Complex

open access: yesMolecular Plant Pathology, Volume 26, Issue 12, December 2025.
We characterised the role of temperature on T3SS efficiency in P. syringae, showing that bacterial behaviour in response to temperature is highly variable among strains, even among very closely related ones. Our study provides further evidence of the need to investigate the diversity of pathogenic organisms beyond model strains.
E. Caullireau   +5 more
wiley   +1 more source

AraC‐Family Transcriptional Regulator WhpR Controls Virulence in Pseudomonas savastanoi pv. savastanoi Through Regulation of Indole Metabolism

open access: yesMicrobial Biotechnology, Volume 18, Issue 10, October 2025.
The WHOP genomic island of Pseudomonas syringae complex pathogens integrates indole degradation, multicellular behaviour, fitness and virulence regulation in woody hosts. We propose that the ipoABC and dhoAB operons mediate indole catabolism to anthranilate, which is channeled into the tricarboxylic acid cycle (TCA).
Antonio Arroyo‐Mateo   +3 more
wiley   +1 more source

Role of Metcalfa pruinosa as a Vector for Pseudomonas syringae pv. actinidiae

open access: yesThe Plant Pathology Journal, 2017
After 20 years of steady increase, kiwifruit industry faced a severe arrest due to the pandemic spread of the bacterial canker, caused by Pseudomonas syringae pv. actinidiae (Psa). The bacterium penetrates the host plant primarily via natural openings or
Irene Donati   +4 more
doaj   +1 more source

Spider and harvestmen biodiversity in New Zealand horticultural ecosystems

open access: yesNew Zealand Journal of Zoology, Volume 52, Issue 3, Page 255-273, September 2025.
ABSTRACT Spiders contribute to pest suppression in agroecosystems by direct and non‐direct consumption. They provide an ecosystem service which provides economic gains to horticultural growing systems, such as apples, wine grapes, and kiwifruit. Very few studies on spider biodiversity in cropping systems have been completed in New Zealand, and no ...
Nicola Sullivan   +5 more
wiley   +1 more source

Outbreak and Spread of Bacterial Canker of Kiwifruit Caused by Pseudomonas syringae pv. actinidiae Biovar 3 in Korea

open access: yesThe Plant Pathology Journal, 2016
A bacterial pathogen, Pseudomonas syringae pv. actinidiae (Psa), is a causal agent of kiwifruit bacterial canker worldwide. Psa biovar 3 (Psa3) was first detected in 2011 at an orchard in Dodeok-myeon, Goheunggun, Jeonnam Province in Korea. In this study,
Gyoung Hee Kim   +6 more
doaj   +1 more source

Synthesis and Bioactivities of Novel Piperonylic Acid Derivatives Containing a Sulfonic Acid Ester Moiety

open access: yesFrontiers in Chemistry, 2022
The crop loss caused by bacteria has increased year by year due to the lack of effective control agents. In order to develop efficient, broad-spectrum, and structurally simple agricultural bactericide, the structure of piperonylic acid was modified and a
Dandan Xie   +5 more
doaj   +1 more source

RNA‐binding proteins orchestrating immunity in plants

open access: yesThe Plant Journal, Volume 123, Issue 5, September 2025.
SUMMARY RNA‐binding proteins (RBPs) direct the function and fate of RNA throughout the RNA lifecycle and play important roles in plant immunity, orchestrating the post‐transcriptional reprogramming of the transcriptome following induction of plant immune responses, a process that we term ‘RBP‐mediated immunity’. Although the importance of specific RBPs
Marcel Bach‐Pages   +4 more
wiley   +1 more source

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