Biologia plantarum 58:401-410, 2014 | DOI: 10.1007/s10535-014-0423-8

The B subfamily of plant ATP binding cassette transporters and their roles in auxin transport

Y. X. Xu1, Y. Liu1, S. T. Chen1, X. Q. Li2, L. G. Xu1, Y. H. Qi1, D. A. Jiang1,*, S. H. Jin2,*
1 State Key Laboratory of Plant Physiology and Biochemistry, College of Life Sciences, Zhejiang University, Hangzhou, P.R. China
2 Tianmu College, Zhejiang A & F University, Zhuji, P.R. China

The ATP binding cassette B/multidrug-resistance/P-glycoprotein (ABCB/MDR/PGP) subfamily is a member of the ABC protein family. Significant progress has been made in the functional characterization of ABCB genes, particularly in Arabidopsis thaliana. This review evaluates recent advances concerning the plant ABCB subfamilies including their evolution and structure, the involvement and regulation of ABCB-mediated auxin transport, and the roles of ABCBs in plant growth and development. Insights into specific functions of members of the ABCB subfamily and their mediation of various regulatory pathways are also presented.

Keywords: ABC protein family; gene expression; phylogenetic tree; subcellular localization; transgenic plants
Subjects: ATP binding cassette transporters; auxin transport; ABC proteins; gene expression; phylogenetic tree; subcellular localization; transgenic plans
Species: Arabidopsis thaliana

Received: September 18, 2013; Revised: March 18, 2014; Accepted: March 24, 2014; Published: September 1, 2014Show citation

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Xu, Y.X., Liu, Y., Chen, S.T., Li, X.Q., Xu, L.G., Qi, Y.H., Jiang, D.A., & Jin, S.H. (2014). The B subfamily of plant ATP binding cassette transporters and their roles in auxin transport. Biologia plantarum, 58(3), 401-410. doi: 10.1007/s10535-014-0423-8.
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