Protein Changes in Diseased Plants

The purpose of this review is to present the current survey of protein changes in diseased plants, in connection with the metabolic alterations. Be­ sides the survey, some possible mechanisms of protein changes are also de­ scribed, together with some problems to be solved in the field. This review also deals with the relation of protein changes in disease with those in senescence and ripening of plants, and their role in the defense reaction, wound healing, and deterioration. There are several kinds of plant pathogens such as fungi, bacteria, and virus. Most pathogens cited here are fungi and bacteria. Viral diseases are not specially cited, because viral mUltiplication in plants, which is the main subject of protein changes in viral disease, proceeds in a different way from that of fungi and bacteria. Nematode infection is also excluded from this review. Some reviews on metabolism as related to protein changes in viral and nematode diseases, have been presented (23,25,72, 103, 107, 129), The review is organized as follows: