Pichia kudriavzevii
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ABSTRACT:
PROVIDER: PRJNA171287 | ENA |
REPOSITORIES: ENA
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Project description:Thermotolerant yeast strains were isolated from nuruk, a traditional Korean fermentation starter in which variety of microorganisms are present. Among the isolates, the MBY1358 identified as yeast Pichia kudriavzevii showed significantly higher growth rate (0.59 ± 0.00 1/h) at 44 °C than other strains. Maximum ethanol concentration of 8.35 ± 0.03 g/L was obtained from 20 g/L glucose with yield of 0.44 ± 0.01 g/g at 44 °C, which is 1.14 times ethanol production of the control strain of P. kudriavzevii. The MBY1358, which was significantly more thermotolerant than the control strain and fermented 200 g/L glucose to 107.33 ± 5.03 g/L ethanol at 44 °C, was deposited to Korean Collection for Type Cultures (KCTC) under the accession number 27654.
| S-EPMC6049779 | biostudies-literature
Project description:RNA-seq libraries were constructed for three samples, including (I) ΔURA3 strain grown in SD medium containing 2% w/v glucose(pH=5.0);(II)ΔURA3 strain grown in SD medium containing 2%w/v glucose and 2% w/v succinic acid(pH=5.0);(III)ΔURA3 strain grown in SD medium containing 2% w/v succinic acid(pH=5.0). For preparation of RNA samples, ΔURA3 cells grown overnight were inoculated into 50 ml liquid Synthetic Dextrose (SD) medium with the initial inoculation amount of OD600= 0.1, and cultured for 24 hours to the logarithmic growth phase (OD600= 2-3). The cells were collected by centrifugation at 6000g for 5 minutes. After washing twice with phosphate buffer saline (PBS), they were inoculated into new 50 mL SD medium containing carbon sources of different combinations of glucose and succinic acid .The pH of the culture sample is adjusted to 5.0 with NaOH. After flask culturing at 30°C and 250 rpm for an additional three hours, the yeast cells were collected by centrifugation for total RNA isolation and Illumina RNA-seq library construction. Total RNA for samples were isolated using TRIzol reagent (Invitrogen, Grand Island, USA), then used for high-throughput RNA sequencing. The 150-nt paired-end RNA-seq libraries were generated commercially at Novogene Biotechnology Co. Ltd (Tianjin, China) by using Illumina’s Hiseq X Ten platform (Illumina, San Diego, USA). Each sample contains two biological replicates.
2021-05-05 | GSE159457 | GEO
Project description:A 23-year-old female, who had undergone a sleeve gastrectomy two weeks earlier, presented with abdominal complaints. A CT scan showed portal vein thrombosis, bowel ischemia, and intra-abdominal sepsis. Anastomosis and antibiotic therapy were not successful, and the patient went into multi-organ failure and died. Multiple cultures revealed a yeast fungus confirmed as Pichia kudriavzevii using rRNA gene sequencing. We report the first case of peritonitis in association with P kudriavzevii. In addition to the abdominal complications and surgical interventions, the yeast was found to have significantly contributed to the patient's death. SIMILAR CASES PUBLISHED: None. CONFLICT OF INTEREST: None.
| S-EPMC6832336 | biostudies-literature
Project description:A Novel yeast genome analysis by NGS
| PRJNA433780 | ENA
Project description:A Novel yeast genome analysis by NGS
| PRJNA383123 | ENA
Project description:Amylolytic yeast used in food fermentation
| PRJNA295789 | ENA
Project description:The yeast strain SJP-SNU was investigated as a probiotic and was characterized with respect to growth temperature, bile salt resistance, hydrogen sulfide reducing activity, intestinal survival ability and chicken embryo pathogenicity. In addition, we determined the complete genomic and mitochondrial sequences of SJP-SNU and conducted comparative genomics analyses. SJP-SNU grew rapidly at 37 °C and formed colonies on MacConkey agar containing bile salt. SJP-SNU reduced hydrogen sulfide produced by Salmonella serotype Enteritidis and, after being fed to 4-week-old chickens, could be isolated from cecal feces. SJP-SNU did not cause mortality in 10-day-old chicken embryos. From 13 initial contigs, 11 were finally assembled and represented 10 chromosomal sequences and 1 mitochondrial DNA sequence. Comparative genomic analyses revealed that SJP-SNU was a strain of Pichia kudriavzevii. Although SJP-SNU possesses pathogenicity-related genes, they showed very low amino acid sequence identities to those of Candida albicans. Furthermore, SJP-SNU possessed useful genes, such as phytases and cellulase. Thus, SJP-SNU is a useful yeast possessing the basic traits of a probiotic, and further studies to demonstrate its efficacy as a probiotic in the future may be warranted.
| S-EPMC5957016 | biostudies-literature
Project description:Opportunistic pathogen that causes important food-born disease
| PRJNA10753 | ENA
Project description:Opportunistic pathogen that causes important food-born disease
| PRJNA17297 | ENA