Publications by authors named "Kolby Jeremiah Jardine"
Article Synopsis
- This study investigates the photosynthesis process in California poplar by measuring net oxygen production, isoprene emissions, and carbon exchange to gain a deeper understanding of the leaf's photosynthetic activity.
- The research shows that net CO exchange and net oxygen production are closely linked under varying conditions, but the relationship weakens at higher leaf temperatures due to alternative uses of energy such as lipid synthesis.
- Findings indicate that the dynamics of photosynthesis, specifically the balance between energy usage and production, are influenced by temperature, highlighting a mechanism that helps plants tolerate heat stress while managing their respiratory processes.
Warming surface temperatures and increasing frequency and duration of widespread droughts threaten the health of natural forests and agricultural crops. High temperatures (HT) and intense droughts can lead to the excessive plant water loss and the accumulation of reactive oxygen species (ROS) resulting in extensive physical and oxidative damage to sensitive plant components including photosynthetic membranes. ROS signaling is tightly integrated with signaling mechanisms of the potent phytohormone abscisic acid (ABA), which stimulates stomatal closure leading to a reduction in transpiration and net photosynthesis, alters hydraulic conductivities, and activates defense gene expression including antioxidant systems.
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