Identification of Two Widely Separated Loci Conferring Nicotinic Acid Dependence on Wild-Type Shigella flexneri 2a.
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.
Gemski
P
P
Walter Reed Army Institute of Research, Washington, D.C. 20012.
Formal
S B
SB
Baron
L S
LS