Isolation of Soft Rot Bacteria on Wieringa's Pectate Gel


THE disintegration or soft rot of the parenchyma of plants is caused by varieties of the coliform bacterium Pectobacterium carotovorum, which secretes enzymes capable of destroying the pectic substances of the cementing layer (middle lamella) of contiguous cells. No other coliform bacteria possess these enzymes.

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    Wieringa, K. T., Rep. Proc. Fourth Internat. Cong. Microbiology, Copenhagen, 1947, P. 482 (1949).

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DOWSON, W. Isolation of Soft Rot Bacteria on Wieringa's Pectate Gel. Nature 179, 682 (1957).

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