Predicted glycosyl transferase genes located outside the HEP island are required for formation of heterocyst envelope polysaccharide in Anabaena sp strain PCC 7120
Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol, Wuhan 430072, Peoples R China; Michigan State Univ, US DOE, Plant Res Lab, E Lansing, MI 48824 USA; Michigan State Univ, Dept Plant Biol, E Lansing, MI 48824 USA
WOS标题词:
Science & Technology
; Life Sciences & Biomedicine
类目[WOS]:
Microbiology
研究领域[WOS]:
Microbiology
摘要:
During maturation, heterocysts form an envelope layer of polysaccharide, called heterocyst envelope polysaccharide (HEP), whose synthesis depends on a cluster of genes, the HEP island, and on an additional, distant gene, hepB, or a gene immediately downstream from hepB. We show that HEP formation depends upon the predicted glycosyl transferase genes all4160 at a third locus and alr3699, which is adjacent to hepB and is cotranscribed with it. Mutations in the histidine kinase genes hepN and hepK appear to silence the promoter of hepB and incompletely down-regulate all4160.
英文摘要:
During maturation, heterocysts form an envelope layer of polysaccharide, called heterocyst envelope polysaccharide (HEP), whose synthesis depends on a cluster of genes, the HEP island, and on an additional, distant gene, hepB, or a gene immediately downstream from hepB. We show that HEP formation depends upon the predicted glycosyl transferase genes all4160 at a third locus and alr3699, which is adjacent to hepB and is cotranscribed with it. Mutations in the histidine kinase genes hepN and hepK appear to silence the promoter of hepB and incompletely down-regulate all4160.
Predicted glycosyl transferase genes located outside the HEP island are required for formation of heterocyst envelope polysaccharide in Anabaena sp strain PCC 7120.pdf（340KB）
1.Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol, Wuhan 430072, Peoples R China 2.Michigan State Univ, US DOE, Plant Res Lab, E Lansing, MI 48824 USA 3.Michigan State Univ, Dept Plant Biol, E Lansing, MI 48824 USA
Recommended Citation:
Wang, Yu; Lechno-Yossef, Sigal; Gong, Yangmin; Fan, Qing; Wolk, Peter; Xu, Xudong.Predicted glycosyl transferase genes located outside the HEP island are required for formation of heterocyst envelope polysaccharide in Anabaena sp strain PCC 7120,JOURNAL OF BACTERIOLOGY,2007,189(14):5372-5378
Predicted glycosyl transferase genes located outside the HEP island are required for formation of heterocyst envelope polysaccharide in Anabaena sp strain PCC 7120.pdf
