Genetic engineers must specify a priori the precise activities of biomolecular parts for use in integrated synthetic systems 1,2,3,4,5,6,7,8,9,10,11. Improvements in methods and tools for synthesizing ...

The phytohormone abscisic acid (ABA) plays a pivotal role in a variety of developmental processes and adaptive responses to environmental stimuli in plants. Promoter analysis of ABA-regulated genes ...

A METHOD of X-ray absorption analysis has been developed which permits the quantitative determination of elements with low atomic numbers in extremely small quantities of a biological tissue. It is ...