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Draft Genome Sequence of a New Homofermentative, Lactic Acid-Producing Enterococcus faecalis Isolate, CBRD01
Lew P Christopher1, Vinayak Kapatral, Benjamin Vaisvil
1Center for Bioprocessing Research & Development and Civil & Environmental Engineering, South Dakota School of Mines & Technology, Rapid City, South Dakota, USA.
We sequenced the genome of a novel Enterococcus faecalis strain, CBRD01, which efficiently produces lactic acid with minimal nutrient needs. This finding is significant for industrial lactic acid production.
Area of Science:
- Microbiology
- Genomics
- Biotechnology
Background:
- Enterococcus faecalis is a common bacterium with diverse metabolic capabilities.
- Lactic acid is a valuable organic acid with numerous industrial applications.
- Optimizing lactic acid production requires identifying strains with high yields and minimal nutritional demands.
Purpose of the Study:
- To report the draft genome sequence of a novel Enterococcus faecalis isolate, CBRD01.
- To characterize the genetic basis for high lactic acid productivity in this isolate.
- To assess the potential of CBRD01 for industrial lactic acid fermentation.
Main Methods:
- Whole-genome sequencing of Enterococcus faecalis CBRD01.
- Bioinformatic analysis of the draft genome.
- Comparative genomics to identify relevant metabolic pathways.
Main Results:
- The draft genome sequence of Enterococcus faecalis CBRD01 is 2.8 Mbp with 37% G+C content.
- The genome contains genes encoding two lactate dehydrogenase (LDH) enzymes.
- The isolate exhibits high lactic acid productivity and yields with minimal nutritional requirements.
Conclusions:
- The genome sequence provides a foundation for understanding the high lactic acid production capabilities of Enterococcus faecalis CBRD01.
- The identified LDH genes are likely crucial for the strain's efficient lactic acid fermentation.
- Enterococcus faecalis CBRD01 represents a promising candidate for sustainable and cost-effective lactic acid production.
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