To optimize usage of nutrient, legumes utilize multiple strategies to regulate root nitrogen-fixing symbiotic nodulation. Excessive nodulation may hamper plant’s normal growth, so fine-tuning it is important for plant survival. Laffont et al. report that there are two independent pathways systematically regulating symbiotic nodulation in Medicago truncatula. They found that Super Numeric Nodule (SUNN) and […]
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About Nanxun Qin
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Entries by Nanxun Qin
Higher plants rely on a sophisticated photo-sensory system to cope with the vast variety of environmental stimuli. Under light conditions, young seedlings display photomorphogenic development to maxize the usage of light. Recently, YQ Heng et al. discovered two B-box containing proteins, BBX30 and BBX31, can repress photomorphogenesis in Arabidopsis. The central positive regulator ELONGATED HYPOCOTYL […]
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, Pin-Yao et al. report that a member of the ethylene response factor called […]
For optimal photosynthetic performance, plants utilize multiple strategies to compete with their neighbors. Especially when light supply is limited in the canopy, plants promote their own elongation to overgrow neighboring plants. This occurs as a response to a low ratio of Red to Far-Red light (R/FR), in a process called the Shade Avoidance Syndrome (SAS). […]