Multicellular giant algae Chara species have been widely used in physiological studies for decades. This study tries to link the physiological phenomena associated to the role of the plant hormone... Show moreMulticellular giant algae Chara species have been widely used in physiological studies for decades. This study tries to link the physiological phenomena associated to the role of the plant hormone auxin to molecular mechanisms, impelling a more advanced and comprehensive usage of Chara as a model system. Show less