TABLE 4.

“Essential” genes displaying variability

Gene Category rolePredicted horizontal gene transferNo. of strains (strain[s])
Bsu no.Designation
Bsu1522 murD 1.1. Cell wall2 (N10, DV1-B-1)
Bsu2504 yqfY 1.1. Cell wall1 (RO-NN-1)
Bsu3569 tagH 1.1. Cell wallYes1 (Natto)
Bsu3569 tagG 1.1. Cell wallYes6
Bsu3570 tagF 1.1. Cell wallYes13
Bsu3572 tagD 1.1. Cell wallYes11
Bsu3573 tagA 1.1. Cell wallYes13
Bsu3574 tagB 1.1. Cell wallYes12
Bsu4037 yycG 1.3. Sensors (signal transduction)1 (RO-FF-1)
Bsu1596 ftsY 1.6. Protein secretion2 (RO-E-2)
Bsu3563 yvyH 2.1.1. Specific pathways3 (RO-E-2, W23, Natto)
Bsu1460 pdhA 2.1.2. Main glycolytic pathways1 (N10)
Bsu1790 tkt 2.1.2. Main glycolytic pathways2 (RO-E-2, W23)
Bsu0178 glmS 2.2. Metabolism of amino acids and related molecules1 (HLR11)
Bsu3073 menC 2.5. Metabolism of coenzymes and prosthetic groups1 (TU-B-10)
Bsu0606 ydiO 3.2. DNA restriction/modification and repairYes13
Bsu0607 ydiP 3.2. DNA restriction/modification and repairYes13
Bsu0115 rpsJ 3.7.1. Protein synthesis—ribosomal proteins1 (DV1-F-3)
Bsu4086 rpsR 3.7.1. Protein synthesis—ribosomal proteins3 (RO-E-2, DV1-E-2, W23)
Bsu3158 mrpD 4.2. Detoxification1 (DV1-E-2)
Bsu1807 yneS 5.2. From other organisms1 (TU-B-10)