J Integr Plant Biol. ›› 2010, Vol. 52 ›› Issue (9): 809-816.DOI: 10.1111/j.1744-7909.2010.00979.x

• Plant-environmental Interactions • Previous Articles     Next Articles

Light Regulation to Chlorophyll Synthesis and Plastid Development of the Chlorophyll-Less Golden-Leaf Privet

Ming Yuan1,2†, Mo-Yun Xu1†, Shu Yuan3†, Yang-Er Chen1, Jun-Bo Du3, Fei Xu1, Zhong-Wei Zhang3, Zi-Chan Guo1, Zhong-Yi Zhao1 and Hong-Hui Lin1*   

  1. 1Key Laboratory for Bio-Resource and Eco-Environment, Ministry of Education, School of Life Sciences, Sichuan University, Chengdu 610064, China
    2College of Biology and Science, Sichuan Agricultural University, Ya’an 625014, China
    3Plant Physiology Laboratory, School of Life Sciences, Sichuan University, Chengdu 610064, China
  • Received:2010-03-19 Accepted:2010-06-24 Published:2010-09-01
  • About author: These authors contributed equally to this work
    *Corresponding author Tel: +86 28 8541 5389; Fax: +86 28 8541 2571; E-mail:honghuilin@hotmail.com


Ligustrum vicaryi L. is a hybrid of Ligustrum ovalifolium Hassk. var. aureo-marginatum and Ligustrum
L., and displays a chlorophyll-less phenotype. Therefore it is widely used as a horticultural shrub
because of its golden-color leaves. Its putative mechanism, light responses, chlorophyll synthesis and
plastid development were studied. L. vicaryi has a higher level of 5-aminolevulinic acid (ALA), but lower
levels of chlorophylls compared with L. quihoui. The yellowish phenotype of L. vicaryi upper leaves could
be attributed to their hampered conversion from chlorophyllide into chlorophyll a. Despite the enhanced
ALA level and the decreased thylakoid stacking in plastids, L. vicaryi golden leaves contain normal
levels of Lhcb transcripts and photosystem apoproteins. Furthermore, reactive oxygen species (ROS)
accumulation is almost the same in L. vicaryi and L. quihoui. The golden leaves often turn green and
the contents of chlorophylls increase with decreasing light intensity. Dynamic changes of chlorophyll-synthesis-
system under the light transition were also analyzed.

Yuan M, Xu MY, Yuan S, Chen YE, Du JB, Xu F, Zhang ZW, Guo ZC, Zhao ZY, Lin HH (2010) Light regulation to chlorophyll synthesis and plastid development of the chlorophyll-less golden-leaf privet. J. Integr. Plant Biol. 52(9), 809–816.

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