The recretohalophyte with specialized saltsecreting structures including salt glands and salt bladders can secrete salt from their bodies and easily adapt themselves to many kinds of salt habitats.Salt glands and salt...The recretohalophyte with specialized saltsecreting structures including salt glands and salt bladders can secrete salt from their bodies and easily adapt themselves to many kinds of salt habitats.Salt glands and salt bladders,arose from dermatogen cells,are excretory organs specially adapted for dealing with ionic homeostasis in the cells of recretohalophytes.The main function of salt glands or salt bladders is to secrete excess ions that invade the plant.The structures of salt glands or salt bladders differ among plant species.In addition to structural differences,salt glands also differ in their secretion abilities.In this review,we mainly focus on recent progress in the mechanism of salt excretion of salt glands and salt bladders,and in particular,emphasize the vesicle-mediated secretion systems from the vacuole to the plasmalemma and the possibly involved membrane-bound translocating proteins for salt secretion of plant gland secretory cell.展开更多
基金We are grateful for the financial support from the National Natural Science Foundation of China(Grant No.30870138)the High Technology Research and Development Program of China(No.2007AA091701).
文摘The recretohalophyte with specialized saltsecreting structures including salt glands and salt bladders can secrete salt from their bodies and easily adapt themselves to many kinds of salt habitats.Salt glands and salt bladders,arose from dermatogen cells,are excretory organs specially adapted for dealing with ionic homeostasis in the cells of recretohalophytes.The main function of salt glands or salt bladders is to secrete excess ions that invade the plant.The structures of salt glands or salt bladders differ among plant species.In addition to structural differences,salt glands also differ in their secretion abilities.In this review,we mainly focus on recent progress in the mechanism of salt excretion of salt glands and salt bladders,and in particular,emphasize the vesicle-mediated secretion systems from the vacuole to the plasmalemma and the possibly involved membrane-bound translocating proteins for salt secretion of plant gland secretory cell.
