Black locust deploys peptides to steer root bacteria into nitrogen fixation

Plants need nitrogen to grow. Many legumes meet this need through a symbiotic relationship: They harbor bacteria that fix atmospheric nitrogen and make it available to the plant. Until now, it was ...
IEEE

81-2025 - IEEE Guide for Measuring Earth Resistivity, Ground Impedance, and Earth Surface Potentials of a Grounding System

Abstract: Practical test methods and techniques are presented for measuring the electrical characteristics of grounding systems. Topics addressed include safety considerations, measuring earth ...
Frontiers

The Locus Coeruleus- Norepinephrine System in Stress and Arousal: Unraveling Historical, Current, and Future Perspectives

Arousal may be understood on a spectrum, with excessive sleepiness, cognitive dysfunction, and inattention on one side, a wakeful state in the middle, and hypervigilance, panic, and psychosis on the ...
Frontiers

Getting to the roots of it: Genetic and hormonal control of root architecture

Root system architecture (RSA) – the spatial configuration of a root system – is an important developmental and agronomic trait, with implications for overall plant architecture, growth rate and yield ...
PNAS

3D phenotyping and quantitative trait locus mapping identify core regions of the rice genome controlling root architecture

Improving the efficiency of root systems should result in crop varieties with better yields, requiring fewer chemical inputs, and that can grow in harsher environments. Little is known about the ...
PNAS

Photosynthetic sucrose acts as cotyledon-derived long-distance signal to control root growth during early seedling development in Arabidopsis

Effect of cotyledon and apex amputation on root growth. After 5 daig in the light, the following seedling parts were dissected: visible leaf primordia (−apex), one cotyledon (−1 cot), entire apex and ...