Sucrose transporters(SUTs)contain multiple transmembrane domains that mediate sucrose transport and provide energy for plant growth and development.However,the role of OsSUTs in regulating rice quality and grain yield...Sucrose transporters(SUTs)contain multiple transmembrane domains that mediate sucrose transport and provide energy for plant growth and development.However,the role of OsSUTs in regulating rice quality and grain yield remains unclear.In this study,we identified five rice SUT genes(OsSUT1-OsSUT5)and examined their molecular characteristics and biological functions.OsSUT1,OsSUT2,and OsSUT4 were predominantly expressed in stems,while OsSUT3 and OsSUT5 showed higher expression in panicles.OsSUT1 and OsSUT4 are located on the plasma membrane,whereas OsSUT2,OsSUT3,and OsSUT5 are localized to the tonoplast.展开更多
基金supported by the National Key Research and Development Program of China(Grant No.2023YFF1000500)the National Natural Science Foundation of China(Grant Nos.32372099,32172080,and 32188102)the Innovation Program of the Chinese Academy of Agricultural Sciences,China(Grant No.CAAS-CSCB-202402).
文摘Sucrose transporters(SUTs)contain multiple transmembrane domains that mediate sucrose transport and provide energy for plant growth and development.However,the role of OsSUTs in regulating rice quality and grain yield remains unclear.In this study,we identified five rice SUT genes(OsSUT1-OsSUT5)and examined their molecular characteristics and biological functions.OsSUT1,OsSUT2,and OsSUT4 were predominantly expressed in stems,while OsSUT3 and OsSUT5 showed higher expression in panicles.OsSUT1 and OsSUT4 are located on the plasma membrane,whereas OsSUT2,OsSUT3,and OsSUT5 are localized to the tonoplast.
