Cloning and Functional Analysis of GhPRP10 Related to Fiber Development in Gossypium hirsutum Ectopic Expression of a Bacterium NhaD-type Na+/H+ Antiporter Leads to Increased Tolerance to Combined Salt/Alkali Stresses Construction and Preliminary Screening of Full-length cDNA Library of Lophopyrum elongatum Molecular Characterization of Plant Prevacuolar and Endosomal Compartments Simplification of vacuole structure during plant cell death triggered by culture filtrates of Erwinia carotovora