AUTHOR=Littlejohn George R. , Meckel Tobias , Schwarzländer Markus , Costa Alex TITLE=Functional imaging in living plants—cell biology meets physiology JOURNAL=Frontiers in Plant Science VOLUME=5 YEAR=2014 URL=https://www.frontiersin.org/journals/plant-science/articles/10.3389/fpls.2014.00740 DOI=10.3389/fpls.2014.00740 ISSN=1664-462X