Leśniewska J., Öhman D., Krzesłowska M., Kushwah S., Barciszewska-Pacak M., Kleczkowski L. A., Sundberg B., Moritz T., Mellerowicz E. J. 2017. Defense responses in aspen with altered pectin methylesterase activity reveal the hormonal inducers of tyloses. Plant Physiology. 173(2): 1409-19. doi:10.1104/pp.16.01443