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Acta Prataculturae Sinica ›› 2015, Vol. 24 ›› Issue (7): 180-188.DOI: 10.11686/cyxb2014415

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Review of advances in the study of plant ABCG transporters

ZHANG Jing, CHEN Meng-Ci, MA Qing, WEI Li, WANG Suo-Min*   

  1. College of Pastoral Agriculture Science and Technology, State Key Laboratory of Grassland Agro-ecosystems, Lanzhou University, Lanzhou 730020, China
  • Received:2014-10-09 Online:2015-07-20 Published:2015-07-20

Abstract: The ATP-binding cassette (ABC) transporters are members of a protein superfamily that constitutes one of the largest protein families known in plants. The ABC subfamily G (ABCG) consists of a single ABC cassette in the amino terminal. ABCG includes both the half-size molecular transporter white-brown complex (WBC) and the full-size molecular transporter pleiotropic drug resistance (PDR). ABCG is made up of a wide variety of substances (including antibiotics, phytohormones, lignin monolignols, lipids and secondary metabolites) that are involved in many kinds of metabolic processes during the plant life cycle. This paper reviews recent advances in studies of the molecular structure and function of ABCG transporters. Research hotspots and future directions are also considered.