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A gene encoding a p...
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Wang, DaoyongSoutheast Univ, Minist Educ Dev Genes & Human Dis, Key Lab, Dept Biochem,Sch Med, Nanjing 210009, Jiangsu, Peoples R China.
(author)
A gene encoding a potential adenosine 5 '-phosphosulphate kinase is necessary for timely development of Myxococcus xanthus
- Article/chapterEnglish2016
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Microbiology Society,2016
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Numbers
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LIBRIS-ID:oai:DiVA.org:uu-299616
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https://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-299616URI
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https://doi.org/10.1099/mic.0.000254DOI
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Language:English
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Summary in:English
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Subject category:ref swepub-contenttype
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Subject category:art swepub-publicationtype
Notes
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A Myxococcus xanthus gene, MXAN3487, was identified by transposon mutagenesis to be required for the expression of mcuABC, an operon coding for part of the chaperone-usher (CU) system in this bacterium. The MXAN3487 protein displays sequence and structural homology to adenosine 5'-phosphosulphate (APS) kinase family members and contains putative motifs for ATP and APS binding. Although the MXAN3487 locus is not linked to other sulphate assimilation genes, its protein product may have APS kinase activity in vivo and the importance of the ATP-binding site for activity was demonstrated. Expression of MXAN3487 was not affected by sulphate availability, suggesting that MXAN3487 may not function in a reductive sulphate assimilation pathway. Deletion of MXAN3487 significantly delayed fruiting body formation and the production of McuA, a spore coat protein secreted by the M. xanthus Mcu CU system. Based on these observations and data from our previous studies, we propose that MXAN3487 may phosphorylate molecules structurally related to APS, generating metabolites necessary for M. xanthus development, and that MXAN3487 exerts a positive effect on the mcuABC operon whose expression is morphogenesis dependent.
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Xu, ShihuiSoutheast Univ, Minist Educ Dev Genes & Human Dis, Key Lab, Dept Biochem,Sch Med, Nanjing 210009, Jiangsu, Peoples R China.
(author)
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Song, DanSoutheast Univ, Minist Educ Dev Genes & Human Dis, Key Lab, Dept Biochem,Sch Med, Nanjing 210009, Jiangsu, Peoples R China.
(author)
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Knight, StefanUppsala universitet,Struktur- och molekylärbiologi(Swepub:uu)stkni677
(author)
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Mao, XiaohuaSoutheast Univ, Minist Educ Dev Genes & Human Dis, Key Lab, Dept Biochem,Sch Med, Nanjing 210009, Jiangsu, Peoples R China.
(author)
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Southeast Univ, Minist Educ Dev Genes & Human Dis, Key Lab, Dept Biochem,Sch Med, Nanjing 210009, Jiangsu, Peoples R China.Struktur- och molekylärbiologi
(creator_code:org_t)
Related titles
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In:Microbiology: Microbiology Society162, s. 672-6831350-08721465-2080
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