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慢生根瘤菌属32H1菌株的微需氧、有固氮酶活性的连续培养物的细胞表面碳水化合物

Cell surface carbohydrates of microaerobic, nitrogenase-active, continuous cultures of Bradyrhizobium sp. strain 32H1.

作者信息

Gore R S, Miller K J

机构信息

Graduate Program in Genetics, Pennsylvania State University, University Park 16802.

出版信息

J Bacteriol. 1992 Dec;174(23):7838-40. doi: 10.1128/jb.174.23.7838-7840.1992.

Abstract

A continuous culture system was developed to examine the cell surface carbohydrates of Bradyrhizobium sp. strain 32H1. When cultures were shifted from aerobic to microaerobic growth conditions, nitrogenase activity was induced and extracellular polysaccharide levels were greatly reduced; however, the levels of cell-associated cyclic beta-1,6 -1,3 glucans were found to be essentially unchanged.

摘要

开发了一种连续培养系统来检测慢生根瘤菌属32H1菌株的细胞表面碳水化合物。当培养物从有氧生长条件转变为微需氧生长条件时,固氮酶活性被诱导,胞外多糖水平大幅降低;然而,发现细胞相关的环状β-1,6 -1,3葡聚糖水平基本未变。

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本文引用的文献

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K regulates bacteroid-associated functions of Bradyrhizobium.K 调节慢生根瘤菌菌瘤相关功能。
Proc Natl Acad Sci U S A. 1987 Jul;84(13):4650-4. doi: 10.1073/pnas.84.13.4650.
3
Physiology of Ex Planta Nitrogenase Activity in Rhizobium japonicum.根瘤菌中植物体外固氮酶活性的生理学。
Appl Environ Microbiol. 1983 May;45(5):1592-601. doi: 10.1128/aem.45.5.1592-1601.1983.
6
Cell-associated oligosaccharides of Bradyrhizobium spp.慢生根瘤菌属的细胞相关寡糖
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