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Table 2 Microbial strains and plasmids used in this study

From: Overexpression of a bifunctional enzyme, CrtS, enhances astaxanthin synthesis through two pathways in Phaffia rhodozyma

 

Description

Source or reference

Strains

 JCM9042

Wild-type strain of P. rhodozyma

Institute of Physical and Chemical Research (RIKEN), Japan

 MK19

Generated by NTG and Co60 mutagenesis from JCM9042

Miao et al. [11]

 CSR19

CrtS-overexpressing strain (with Rbs of P. rhodozyma crtS gene)

Present study

 CS19

CrtS-overexpressing strain (with Rbs of plasmid pGBKT7)

Present study

 E. coli DH5α

EndA1 hsdR17 [r-m+] supE44 thi-1 recA1 gyrA [NalR]relA1[lacZYA-argF]U169deoR [Φ80]M15]

Green et al. [26]

Plasmids

 pGBKT7

Expression vector, ADH1 promoter, Kmr

Donated by Professor Huiqiang Lou

 pGBKT7-crtSr

pGBKT7 derivative containing crtSr gene (with Rbs of P. rhodozyma crtS gene)

Present study

 pGBKT7-crtS

pGBKT7 derivative containing crtS gene (with Rbs of plasmid pGBKT7)

Present study

 pMDTM18-T

Cloning vector for gene sequencing, Ampr

Takara Co., Japan