Tag: Plant Defense

The nematode infection process in plants involves secreted effector proteins that suppress the host defense mechanisms. However, the molecular interactions in which this is done is yet unclear. Here, Pogorelko et al. characterize the function of 4E02, an effector from the cyst nematode H. schachtii,…

To secure food availability for the world population, plant scientists study the interactions between crop species and pathogens. Plants have robust defense strategies that they employ when attacked. On the other hand, microbes have multiple strategies to manipulate host functions to suppress these defenses…

Plants have natural mechanisms against pathogen infections. Post-translational modifications (PTMs) on key proteins involved in RNAi pathways are needed to control these immune responses. Argonaute (AGO) proteins are targets of PTMs to direct the silencing of genes. Here, Hu et al. identified the role…

Herbivore-induced volatiles have been shown to prime plant defense response in multiple species. A new study by Ye et al. unveils some of the early signaling events in volatile-mediated defense priming in rice. The authors show that rice plants release increased amounts of the volatile indole when attacked…

To fight off invading pathogens, higher plants such as Arabidopsis are intrinsically programmed with a subset of defense responses known as pattern-triggered immunity (PTI). However, excessive defense responses may hamper plant’s normal growth, so fine-tuning PTI is important for plant survival. Recently,…

Chloroplasts have diverse roles in plant defense, including contributing to the production of defense compounds. Toufexi, Duggan et al. show new data indicating the dynamic relocation of chloroplasts to the contact point of the oomycete pathogen Phytophthora infestans. Infection also causes an increase…

Source: Institute of Genetics and Developmental Biology Published: 2019-01-11. Translated from the original. As an important plant hormone, jasmonic acid regulates plant defense responses and adaptive growth. When the plant is exposed to pests or other stresses, the active jasmonic…

To optimize their fitness in the field, plants need to respond rapidly, specifically and dynamically to an ever-changing and often hostile environment. By integrating external environmental cues with endogenous developmental programs, phytohormones play a critical role in the cross-talk between signal…