Acetylation of alpha-Tubulin on Lys(40) Is a Widespread Post-Translational Modification in Angiosperms

作者：Nakagawa Umihito; Suzuki Daisuke; Ishikawa Mai; Sato Hideki; Kamemura Kazuo^*; Imamura Aya

来源：Bioscience Biotechnology and Biochemistry, 2013, 77(7): 1602-1605.

DOI：10.1271/bbb.130261

• alpha-tubulin
• acetylation
• organ distribution
• angiosperm
• Arabidopsis thaliana

Acetylation of alpha-tubulin on Lys(40) is thought to be a modification that regulates the dynamic instability of microtubules, but little is known about the occurrence of alpha-tubulin acetylation in plants. Here we report on a growth stage-dependent change in levels of alpha-tubulin acetylation and the organ distribution of acetylated alpha-tubulin in Arabidopsis thaliana plants. Widespread occurrence of alpha-tubulin acetylation in the leaves of 15 species (20 cultivars) of angiosperms was also confirmed. Our data indicate that acetylated alpha-tubulin is widespread in many angiosperms, but levels can differ, sometimes considerably, among different organs and developmental stages.

• 出版日期2013-7