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Mol Plant. 2016 Jun 6;9(6):774-86. doi: 10.1016/j.molp.2016.01.011. Epub 2016 Feb 2.

Biogenesis of Plant Prevacuolar Multivesicular Bodies.

Author information

1
State Key Laboratory of Agrobiotechnology, Centre for Cell & Developmental Biology, School of Life Sciences, The Chinese University of Hong Kong, Shatin, New Territories, Hong Kong, China.
2
State Key Laboratory of Agrobiotechnology, Centre for Cell & Developmental Biology, School of Life Sciences, The Chinese University of Hong Kong, Shatin, New Territories, Hong Kong, China; Shenzhen Key Laboratory of Cell Microenvironment, Department of Biology, South University of Science and Technology of China, Shenzhen 518055, China.
3
State Key Laboratory of Agrobiotechnology, Centre for Cell & Developmental Biology, School of Life Sciences, The Chinese University of Hong Kong, Shatin, New Territories, Hong Kong, China; CUHK Shenzhen Research Institute, The Chinese University of Hong Kong, Shenzhen 518057, China. Electronic address: ljiang@cuhk.edu.hk.

Abstract

Plant prevacuolar compartments (PVCs), or multivesicular bodies (MVBs), are single membrane-bound organelles that play important roles in mediating protein trafficking to vacuoles in the secretory pathway. PVC/MVB also serves as a late endosome in the endocytic pathway in plants. Since the plant PVC was identified as an MVB more than 10 years ago, great progress has been made toward the understanding of PVC/MVB function and biogenesis in plants. In this review, we first summarize previous research into the identification and characterization of plant PVCs/MVBs, and then highlight recent advances on the mechanisms underlying intraluminal vesicle formation and maturation of plant PVCs/MVBs. In addition, we discuss the possible crosstalk that appears to occur between PVCs/MVBs and autophagosomes during autophagy in plants. Finally, we list some open questions and present future perspectives in this field.

KEYWORDS:

Rab5 GTPase; multivesicular body; organelle biogenesis; prevacuolar compartment; vacuolar sorting receptor

PMID:
26836198
DOI:
10.1016/j.molp.2016.01.011
[Indexed for MEDLINE]
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