期刊
PLANTS-BASEL
卷 11, 期 1, 页码 -出版社
MDPI
DOI: 10.3390/plants11010102
关键词
iron; zinc; antiporters; phytosiderophores; transport; iron deficiency; micronutrients
资金
- NABI-CORE
- DBT, Govt of India [BT/PR13940/GET/119/39/2015)]
The major facilitator superfamily (MFS) is a group of secondary transporters found in all kingdoms of life, and zinc-induced facilitator-like (ZIFL) transporters are a subset of this family. They have been shown to play important roles in various plant species, such as transporting secondary metabolites and maintaining auxin homeostasis. The functions of ZIFL proteins highlight their significance in crop species.
The major facilitator superfamily (MFS) is a large and diverse group of secondary transporters found across all kingdoms of life. Zinc-induced facilitator-like (ZIFL) transporters are the MFS family members that function as exporters driven by the antiporter-dependent processes. The presence of multiple ZIFL transporters was shown in various plant species, as well as in bryophytes. However, only a few ZIFLs have been functionally characterized in plants, and their localization has been suggested to be either on tonoplast or at the plasma membrane. A subset of the plant ZIFLs were eventually characterized as transporters due to their specialized role in phytosiderophores efflux and auxin homeostasis, and they were also proven to impart tolerance to micronutrient deficiency. The emerging functions of ZIFL proteins highlight their role in addressing important traits in crop species. This review aims to provide insight into and discuss the importance of plant ZIFL in various tissue-specific functions. Furthermore, a spotlight is placed on their role in mobilizing essential micronutrients, including iron and zinc, from the rhizosphere to support plant survival. In conclusion, in this paper, we discuss the functional redundancy of ZIFL transporters to understand their roles in developing specific traits in crop.
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