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鷄由來 病原性 大腸菌에 관한 硏究 3. 大腸菌感染 病鷄로부터 分離한 Citrate 陽性 大腸菌의 生化學的 性狀 및 Citrate 利用能의 傳達

Studies on Pathogenic Escherichia coli Isolated from Chicken with Colibacillosis 3. Biochemical Properties and Conjugal Transfer of Citrate-Utilizing Ability in Citrate-Positive Strains of Escherichia coli Isolated from Chicken with Colibacillosis

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Twenty citrate-positive strains of Escherichia coli were obtained from chicken with colibacillosis. With the exception of citrate utilization biochemical properties of these strains of E. coli were in accordance with citrate-negative strains of E. coli of chicken origin. The citrate-utilizing ability of 18 out of these twenty citrate-positive strains of E. coli was transferred by conjugation to recipient strain of E. coli ML 1410. And the conjugal transfer of citrate-utilizing ability was thermosensitive and concurrent with transfer of drug resistance.

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