UV radiation is used to cause DNA breakage. UV reacts quickly hence helps to catch momentary protein binding and can be used in vivo as it penetrates cell membranes easily. But gels from such assays are difficult to interpret.

TLS Online TPP Program

#Id: 10238

#Unit 6. System Physiology – Plant

OsGSR1, a member of the gibberellic acid–stimulated gene family, acts as a positive regulator of both the gibberellic acid response and brassinosteroid biosynthesis.

TLS Online TPP Program

#Id: 10239

#Unit 6. System Physiology – Plant

ABA was originally thought to induce abscission, however, abscission is regulated by ethylene rather than ABA.

TLS Online TPP Program

#Id: 10240

#Unit 6. System Physiology – Plant

ABA has a single chiral center at C‐1′. Only the (S)‐enantiomer occurs in nature

TLS Online TPP Program

#Id: 10241

#Unit 6. System Physiology – Plant

ABA is synthesized in almost all cells that contain chloroplasts

or amyloplasts and has been detected in every major organ and tissue. ABA is a 15-carbon terpenoid, or sesquiterpenoid, which is synthesized in plants by an indirect pathway via 40-carbon carotenoid intermediates

TLS Online TPP Program

#Id: 10242

#Unit 6. System Physiology – Plant

TLS Online TPP Program

#Id: 10243

#Unit 6. System Physiology – Plant