Tanenbaum S W, Flashner M
Can J Microbiol. 1977 Nov;23(11):1568-72. doi: 10.1139/m77-231.
A new species of Arthrobacter is described for which the name A. sialophilus is proposed. The organism was obtained by elective culture from soil using Collocalia mucoid, and can readily be induced in replacement minimal media with appropriate substrates, to form the enzyme neuraminidase. It undergoes sphere-rod-sphere morphogenesis, is gram-variable, non-motile, aerobic, catalase-positive, oxidase-negative, fails to release acid or gas from saccharides, has a GC content of 56.0 mol % and can grow at temperatures up to 45 degrees C. The peptidoglycan composition of its spherical form contains neither diaminopimelic acid nor arabinose as components, but does manifest the presence of glycine. Its generation time at 30 degrees C on tryptone-yeast extract medium is 1.6 h. Accessory growth factors do not appear to be required. The organism, though colorless in the dark, provides a bright yellow water-insoluble pigment after exposure to light. The foregoing combination of properties distinguishes this isolate from other well-described Arthrobacter spp.
描述了一种新的节杆菌属物种，提议将其命名为嗜涎节杆菌。该微生物是通过使用金丝燕黏液从土壤中进行选择性培养获得的，并且在含有适当底物的替代基本培养基中能够很容易地被诱导形成神经氨酸酶。它经历球-杆-球形态发生，革兰氏染色可变，不运动，需氧，过氧化氢酶阳性，氧化酶阴性，不能从糖类释放酸或气体，GC含量为56.0摩尔%，并且能够在高达45摄氏度的温度下生长。其球形形式的肽聚糖组成既不包含二氨基庚二酸也不包含阿拉伯糖作为成分，但确实显示出甘氨酸的存在。它在30摄氏度的胰蛋白胨-酵母提取物培养基上的代时为1.6小时。似乎不需要辅助生长因子。该微生物在黑暗中无色，但在光照后会产生亮黄色的水不溶性色素。上述特性组合将该分离物与其他已充分描述的节杆菌属物种区分开来。
