Function and structure of phosphate translocator in plant

ZHENG Bing-song; HUANG You-jun; WANG Zheng-jia; CHUHuai-liang; HUANG Jian-qin

Volume 24 Issue 2

Feb. 2017

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ZHENG Bing-song, HUANG You-jun, WANG Zheng-jia, CHUHuai-liang, HUANG Jian-qin. Function and structure of phosphate translocator in plant[J]. Journal of Zhejiang A&F University, 2007, 24(2): 225-230.

Citation:

ZHENG Bing-song, HUANG You-jun, WANG Zheng-jia, CHUHuai-liang, HUANG Jian-qin. Function and structure of phosphate translocator in plant[J]. Journal of Zhejiang A&F University, 2007, 24(2): 225-230.

Function and structure of phosphate translocator in plant

1.
School of Forestry and Biotechnology, Zhejiang Forestry College, Linan 311300, Zhejiang, China

Received Date: 2006-05-11
Rev Recd Date: 2006-12-15
Publish Date: 2007-04-20

Abstract

As one of the key protein regulating translocation of photosynthetic products, the phosphate translocator(PT)is an important part in the photosynthesis research, especially focused on its physiological and biochemical function. This report gives an introduction of the gene structure and characteristics of the phosphate translocators,and also gives a comparison of the specificity of the phosphate translocators in various plastids. The phosphate translocator(molecularweight 36 kD)is encoded by nuclear DNA. The different translocators are derived from a common ancestor and are subsequently diversified. In a single plant, different genes encode different phosphate translocators.Whereas the phosphate translocator of the C3plant mediates a counter exchange between inorganic phosphate(Pi), dihydroxyacetone phosphate(DHAP), and 3-phosphoglycerate(3PGA), but seldom or not between 2-phosphoglycerate(2PGA), phosphoenolpyruvate(PEP), and glucose 6-phosphate(G6P), the phosphate translocators in chloroplasts from C4and CAM plants transport PEP in addition to the above mentioned three metabolites. In plastids from plant roots, the phosphate translocator also transports. There are different chloroplast phosphate translocators in different cells of one leaf.[Ch, 1 tab. 36 ref.]
- plant physiology,
- plastid,
- phosphate translocator,
- review,
- C3plant,
- C4and CAMplants

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通讯作者: 陈斌, bchen63@163.com

1.
沈阳化工大学材料科学与工程学院沈阳 110142

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Function and structure of phosphate translocator in plant

1. School of Forestry and Biotechnology, Zhejiang Forestry College, Linan 311300, Zhejiang, China

Received Date: 2006-05-11

Rev Recd Date: 2006-12-15

Publish Date: 2007-04-20

Key words:

Abstract: As one of the key protein regulating translocation of photosynthetic products, the phosphate translocator(PT)is an important part in the photosynthesis research, especially focused on its physiological and biochemical function. This report gives an introduction of the gene structure and characteristics of the phosphate translocators,and also gives a comparison of the specificity of the phosphate translocators in various plastids. The phosphate translocator(molecularweight 36 kD)is encoded by nuclear DNA. The different translocators are derived from a common ancestor and are subsequently diversified. In a single plant, different genes encode different phosphate translocators.Whereas the phosphate translocator of the C3plant mediates a counter exchange between inorganic phosphate(Pi), dihydroxyacetone phosphate(DHAP), and 3-phosphoglycerate(3PGA), but seldom or not between 2-phosphoglycerate(2PGA), phosphoenolpyruvate(PEP), and glucose 6-phosphate(G6P), the phosphate translocators in chloroplasts from C4and CAM plants transport PEP in addition to the above mentioned three metabolites. In plastids from plant roots, the phosphate translocator also transports. There are different chloroplast phosphate translocators in different cells of one leaf.[Ch, 1 tab. 36 ref.]

Function and structure of phosphate translocator in plant

Abstract

References

Proportional views

通讯作者: 陈斌, bchen63@163.com

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