Studies on the Hemagglutinogen in Japanese Quail Detected by Peanuts PHA

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  • MIZUTANI Makoto
    Nippon Institute for Biological Science, Laboratory Animal Research Station
  • UMEZAWA Hidehiko
    Nippon Institute for Biological Science, Laboratory Animal Research Station
  • KURAMASU Shigemi
    Nippon Institute for Biological Science, Laboratory Animal Research Station

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Other Title
  • ピーナッPHAにより見出されたニホンウズラ赤血球凝集原に関する研究
  • ピーナツ PHA ニ ヨリ ミイダサレタ ニホンウズラ セッケッキュウ ギョウ

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Abstract

In the previous report, the authors reported that difference in hemagglutinability among birds, regardless of the sex, was successfully demonstrated when PHA of peanuts seeds (Arachis hypogaea) was used. Based on this result, selective breeding was carried out and two strains (PNP and PNN) of Japanese quail were established; all adult birds of PNP were positive and all those of PNN were negative in the hemagglutination test to the peanuts PHA. In the present report, the hemagglutinogen to peanuts PHA designated as "Pn" was studied for its occurrence and genetical control. The PHA in question agglutinate the erythrocytes of all embyos and chicks in PNP strain and those of adult Fi hybrids between PNP and PNN. In PNN syrain, erythrocytes were agglutinable in all embryos from 7 to 9 days o incubation, but after 10 days of incubation non-agglutinable erythrocytes began to appear, and finally in chicks older than 1 week non-agglutinable erythrocyte was observed. From the results of mating experiments between PNP and PNN it became clear that the existence of "Pn" hemagglutinogen in quail is controlled by a simple autosomal dominant gene symbolized as "Pn". Hemagglutinability to the peanuts PHA was further tested in the chicken, turkey, duck, goose and pigeon (Columba livia). Of the first three species the response was positive though not in all, but of the last two species the response was always negative. Results of absorption test suggested that the hemagglutinogen found in the quail ("Pn") might be the same as those found in the chicken, turkey and duck.

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