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三篇与脂多糖合成有关的最新文献(2006-2007)
陈文峰 2007-11-8 21:21
第一篇: Structure of UDP-N-acetylglucosamine acyltransferase with a bound antibacterial pentadecapeptide 第二篇: Inaugural Article: Structural basis for the acyl chain selectivity and mechanism of UDP-N-acetylglucosamine acyltransferase 第三篇: Structure and reactivity ...
个人分类: 微生物生理学专栏|5709 次阅读|没有评论
果聚糖蔗糖酶基因(sacB)在微生物学理及遗传上的应用
陈文峰 2007-11-8 19:25
题目: Expression of the Bacillus subtilis sacB gene confers sucrose sensitivity on mycobacteria. 作者: Pelicic, V : Reyrat, J M : Gicquel, B 摘要: Expression in mycobacteria of the structural gene sacB, which encodes the Bacillus subtilis levansu ...
个人分类: 微生物生理学专栏|6463 次阅读|没有评论
乙醛酸循环-glyoxylate cycle
陈文峰 2007-10-31 20:03
乙醛酸循环-glyoxylate cycle 途径见下(来自biocyc.org) Summary: The glyoxylate cycle bypasses reactions of TCA cycle in which CO(2) is released, and conserves 4 carbon compounds for biosynthesis. Pathway is active when growth on 2 carbon compounds requires conservation of 4 carbon TCA in ...
个人分类: 微生物生理学专栏|11936 次阅读|没有评论
二氧化碳的固定:还原的单羧酸环
陈文峰 2007-10-31 11:33
reductive monocarboxylic acid cycle The reduction of CO 2 to one-carbon units is essential for the anabolism of Clostridia. In the case of Clostridium kluyveri , CO 2 was shown to be the predominant precursor of one-carbon units . The process is mediated by ...
个人分类: 微生物生理学专栏|4619 次阅读|没有评论
二氧化碳的固定:厌氧的乙酰辅酶A途径
陈文峰 2007-10-31 08:39
二氧化碳的固定: 厌氧的乙酰辅酶A途径 (anaerobic acetyl-CoA pathway) 是产乙酸菌、硫酸盐还原菌和产甲烷菌等细菌在厌氧条件对二氧化碳进行固定的一条途径。 该途径又称作Wood途径,由美国的Harland G. Wood(1907-1991)用了30多年的时间才阐明清楚的一条途径。这条途径可能是 ...
个人分类: 微生物生理学专栏|11139 次阅读|没有评论
"非常规"根瘤菌在豆科植物上结瘤
陈文峰 2007-10-22 08:04
Legume - Rhizobium associations are undoubtedly form the most important N 2 -fixing symbiosis and play a subtle role in contributing nitrogen and maintaining/improving soil fertility. A great diversity in the rhizobial species nodulating legumes has been recognized, which belongs toAlpha sub ...
个人分类: 科研工作|3144 次阅读|没有评论
3-羟基丙酸循环(3-hydroxypropionate cycle)
陈文峰 2007-10-20 23:09
3-Hydroxypropionate cycle A fourth pathway has been discovered for CO 2 assimilation in bacteria, the 3-hydroxypropionate cycle. In this cycle, CO 2 is fixed by acetyl-CoA and propionyl-CoA carboxylases eventually forming Malyl-CoA. This is split into acetyl-CoA, to replenish the cycle, and gl ...
个人分类: 微生物生理学专栏|7143 次阅读|没有评论
还原性乙酰辅酶A途径(Reductive acetyl CoA pathway)
陈文峰 2007-10-20 23:06
还原性乙酰辅酶A途径(Reductive acetyl CoA pathway) Unlike rTCA and RuBP, rACA is a noncyclic pathway. One CO 2 is captured on a special cofactor (tetrahydrofolate: T in the figure) and reduced to a methyl group. The other CO 2 is reduced to a carobonyl group (C=O) by carbon monoxide dehydrogena ...
个人分类: 微生物生理学专栏|9244 次阅读|没有评论

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