Walter Reed Army Institute of Research, Washington, D.C. 20012.
Infect Immun. 1971 Mar;3(3):500-3. doi: 10.1128/iai.3.3.500-503.1971.
Two widely separated loci causing the nicotinic acid dependence of wild-type Shigella flexneri 2a were identified by intergeneric mating procedures and found to be closely linked to the gal and fuc chromosomal determinants.
通过属间杂交程序鉴定出导致野生型福氏 2a 志贺菌烟酸依赖性的两个广泛分离的基因座,并发现它们与 gal 和 fuc 染色体决定簇紧密连锁。