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Table 1 Strains, plasmids, and primers used in this study

From: Strain engineering and metabolic flux analysis of a probiotic yeast Saccharomyces boulardii for metabolizing l-fucose, a mammalian mucin component

Strain/plasmid/primer

Description

References/source

Strains

 E. coli DH5α

F − ϕ80d, lacZΔM15, endA1, recA1, hsdR17(rK − mK−), supE44, thi-1, gyrA96, relA1, Δ(lacZYA-argF)U169

Invitrogen

 S. cerevisiae CEN.PK2-1D

MATα ura3-52 leu2-3,112 trp1-289 his3Δ MAL2-8c SUC2

 

S. cerevisiae WT

S. cerevisiae CEN.PK2-1D harboring pRS423GPD, pRS424GPD, pRS426GPD

This study

S. cerevisiae FC

S. cerevisiae CEN.PK2-1D harboring pRS423GPD_fucA, pRS424GPD_fucIU, pRS426GPD_fucK

This study

  S. cerevisiae FCT

S. cerevisiae CEN.PK2-1D harboring pRS423GPD_fucA, pRS424GPD_fucIU, pRS426GPD_fucK_HXT4

This study

S. boulardii (ATCC MYA-796)

MATα ura3-52 leu2-3,112 trp1-289 his3Δ MAL2-8c SUC2

[36]

  S. boulardii WT

S. boulardii harboring pRS423GPD, pRS424GPD, pRS426GPD

This study

  S. boulardii FCT

S. boulardii harboring pRS423GPD_fucA, pRS424GPD_fucIU, pRS426GPD_fucK_HXT4

This study

 HXT-null S. cerevisiae

S. cerevisiae D452-2 with a xylose pathway and deletion of HXT1-HXT7

[42]

  S. cerevisiae HXT1

Hxt-null S. cerevisiae with overexpression of HXT1

[42]

  S. cerevisiae HXT2

Hxt-null S. cerevisiae with overexpression of HXT2

[42]

S. cerevisiae HXT3

Hxt-null S. cerevisiae with overexpression of HXT3

[42]

S. cerevisiae HXT4

Hxt-null S. cerevisiae with overexpression of HXT4

[42]

  S. cerevisiae HXT6

Hxt-null S. cerevisiae with overexpression of HXT6

[42]

S. cerevisiae HXT7

Hxt-null S. cerevisiae with overexpression of HXT7

[42]

Plasmids

 prs423GPD

HIS3, GPD promoter, CYC1 terminator, 2 µ origin, and Ampr

[43]

 prs424GPD

LEU2, GPD promoter, CYC1 terminator, 2 µ origin, and Ampr

[43]

 prs426GPD

URA3, GPD promoter, CYC1 terminator, 2 µ origin, and Ampr

[43]

 prs423GPD_fucA

pRS423GPD harboring fucA from E. coli K12 MG1655

This study

 prs424GPD_fucIfucU

pRS424GPD harboring fucI and fucU from E. coli K12 MG1655

This study

 prs426GPD_fucKHXT4

pRS426GPD harboring fucK from E. coli K12 MG1655 and HXT4 from S. cerevisiae CEN.PK2-1D

This study

 prs426GPD_fucK

pRS426GPD harboring fucK from E. coli K12 MG1655

This study

Primers

 F_Eco_fucA

5′-ACTAGTATGGAACGAAATAAACTTGCTC-3′

This study

 R_Eco_fucA

5′-CTCGAGTTACTCTTCAATTCGTAACC-3′

This study

 F_Eco_fucI

5′-ACTAGTATGAAAAAAATCAGCTTACCGAA-3′

This study

 R_Eco_fucI

5′-CTCGAGTTAACGCTTGTACAACGGAC-3′

This study

 F_Eco_fucU

5′-ACTAGTATGCTGAAAACAATTTCGCC-3′

This study

 R_Eco_fucU

5′-CTCGAGTTACGGTGTTACCCCTTTTT-3′

This study

 F_Eco_fucK

5′-ACTAGTATGAAACAAGAAGTTATCCTGG-3′

This study

 R_Eco_fucK

5′-CTCGAGTCACACTTCCTCTATAAATT-3′

This study

 F_Sce_HXT4

5′-ACTAGTATGTCTGAAGAAGCTGCCTATCAA-3′

This study

 R_Sce_HXT4

5′CTCGAGCTACTTTTTTCCGAACATCT-3′

This study