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. 1979 Jan;37(1):136-42.
doi: 10.1128/aem.37.1.136-142.1979.

Pectinolytic enzymes of large rumen treponemes

M Wojciechowicz, A Ziołecki

Pectinolytic enzymes of large rumen treponemes

M Wojciechowicz et al. Appl Environ Microbiol. 1979 Jan.

Abstract

Large spiral organisms isolated from the rumen of cattle produced and released into the external environment a complex of pectinolytic enzymes, consisting mainly of poly(1,4-alpha-D-galacturonide) lyase (EC 4.2.2.2, formerly EC 4.2.99.3), most active at pH 8.0 to 9.0, and another enzyme acting at pH below 7.0, probably a poly(1,4-alpha-D-galacturonide) glycanohydrolase (EC 3.2.1.15). The mixture of enzymes degraded polygalacturonate to saturated and unsaturated monogalacturonates as the end products. A pectin pectylhydrolase (pectinesterase) (EC 3.1.1.11) was also present in the clarified cultures.

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