Age related occurrence of natural agglutinins in the erisilkworm, Philosamia ricini.


Natural agglutinins against human, guinea pig, and rat erythrocytes (RBC) and bacteria Bacillus thuringiensis were readily detected in hemolymph of final instar larvae with resulting titers of 0-9 (log2). Titers were independent of sex and season but varied conspicuously and reproducibly with age. Moreover, response of hemagglutinins to heating varied with… (More)


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