title: Microtubule motors and pollen tube growth--still an open question.
authors.affiliation: Dipartimento Scienze Ambientali G. Sarfatti, Università di Siena, via Mattioli 4, 53100 Siena, Italy. cai@unisi.it
authors.forename: Giampiero
authors.initials: G
authors.lastname: Cai
authors.forename: Mauro
authors.initials: M
authors.lastname: Cresti