Changes in Two Ribonuclease Isozymes During Rust Infection of Flax Cotyledons 1

AUTOR(ES)
RESUMO

A ribonuclease fraction previously purified from flax by gel filtration was further resolved into two components by hydroxyl apatite chromatography. These were homogeneous with respect to electrophoresis and isoelectric focusing. Both enzymes are of RNase I type but differ in substrate specificity, kinetic properties, pH response, and isoelectric point.

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