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学科主题: Microbiology
题名: The functional divergence of two glgP homologues in Synechocystis sp PCC 6803
作者: Fu, J; Xu, XD
通讯作者: Xu, XD, Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol, Wuhan 430072, Hubei, Peoples R China
关键词: glgP ; functional divergence ; Synechocystis PCC 6803
刊名: FEMS MICROBIOLOGY LETTERS
发表日期: 2006-07-01
DOI: 10.1111/j.1574-6968.2006.00312.x
卷: 260, 期:2, 页:201-209
收录类别: SCI
文章类型: Article
部门归属: Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol, Wuhan 430072, Hubei, Peoples R China
WOS标题词: Science & Technology ; Life Sciences & Biomedicine
类目[WOS]: Microbiology
研究领域[WOS]: Microbiology
摘要: Glycogen phosphorylase (GlgP, EC 2.4.1.1) catalyzes the cleavage of glycogen into glucose-1-phosphate (Glc-1-P), the first step in glycogen catabolism. Two glgP homologues are found in the genome of Synechocystis sp. PCC 6803, a unicellular cyanobacterium: sll1356 and slr1367. We report on the different functions of these glgP homologues. sll1356, rather than slr1367, is essential for growth at high temperatures. On the other hand, when CO2-fixation and the supply of glucose are both limited, slr1367 is the key factor in glycogen metabolism. In cells growing autotrophically, sll1356 plays a more important role in glycogen digestion than slr1367. This functional divergence is also supported by a phylogenetic analysis of glgP homologues in cyanobacteria.
英文摘要: Glycogen phosphorylase (GlgP, EC 2.4.1.1) catalyzes the cleavage of glycogen into glucose-1-phosphate (Glc-1-P), the first step in glycogen catabolism. Two glgP homologues are found in the genome of Synechocystis sp. PCC 6803, a unicellular cyanobacterium: sll1356 and slr1367. We report on the different functions of these glgP homologues. sll1356, rather than slr1367, is essential for growth at high temperatures. On the other hand, when CO2-fixation and the supply of glucose are both limited, slr1367 is the key factor in glycogen metabolism. In cells growing autotrophically, sll1356 plays a more important role in glycogen digestion than slr1367. This functional divergence is also supported by a phylogenetic analysis of glgP homologues in cyanobacteria.
关键词[WOS]: HEAT-SHOCK RESPONSE ; GLYCOGEN-PHOSPHORYLASE ; SEQUENCE ALIGNMENT ; HETEROTROPHIC GROWTH ; BACTERIAL GLYCOGEN ; MOLECULAR-CLONING ; ESCHERICHIA-COLI ; HISTIDINE KINASE ; HUMAN-LIVER ; GENE
语种: 英语
WOS记录号: WOS:000238579800011
ISSN号: 0378-1097
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.ihb.ac.cn/handle/152342/8938
Appears in Collections:中科院水生所知识产出(2009年前)_期刊论文

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作者单位: 1.Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol, Wuhan 430072, Hubei, Peoples R China

Recommended Citation:
Fu, J; Xu, XD.The functional divergence of two glgP homologues in Synechocystis sp PCC 6803,FEMS MICROBIOLOGY LETTERS,2006,260(2):201-209
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