Complete genome sequence and transcriptome regulation of the pentose utilizing yeast Sugiyamaella lignohabitans

Martina Bellasio, Armin Peymann, Matthias G. Steiger, Minoska Valli, Matthias Sipiczki, Michael Sauer, Alexandra B. Graf, Hans Marx, Diethard Mattanovich

Research output: Article

6 Citations (Scopus)

Abstract

Efficient conversion of hexoses and pentoses into value-added chemicals represents one core step for establishing economically feasible biorefineries from lignocellulosic material. While extensive research efforts have recently provided advances in the overall process performance, the quest for new microbial cell factories and novel enzymes sources is still open. As demonstrated recently the yeast Sugiyamaella lignohabitans (formerly Candida lignohabitans) represents a promising microbial cell factory for the production of organic acids from lignocellulosic hydrolysates. We report here the de novo genome assembly of S. lignohabitans using the Single Molecule Real-Time platform, with gene prediction refined by using RNA-seq. The sequencing revealed a 15.98 Mb genome, subdivided into four chromosomes. By phylogenetic analysis, Blastobotrys (Arxula) adeninivorans and Yarrowia lipolyticawere found to be close relatives of S. lignohabitans. Differential gene expression was evaluated in typical growth conditions on glucose and xylose and allowed a first insight into the transcriptional response of S. lignohabitans to different carbon sources and different oxygenation conditions. Novel sequences for enzymes and transporters involved in the central carbon metabolism, and therefore of potential biotechnological interest, were identified. These data open the way for a better understanding of the metabolism of S. lignohabitans and provide resources for further metabolic engineering.

Original languageEnglish
Pages (from-to)1-14
Number of pages14
JournalFEMS Yeast Research
Volume16
Issue number4
DOIs
Publication statusPublished - jún. 1 2016

ASJC Scopus subject areas

  • Microbiology
  • Applied Microbiology and Biotechnology

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    Bellasio, M., Peymann, A., Steiger, M. G., Valli, M., Sipiczki, M., Sauer, M., Graf, A. B., Marx, H., & Mattanovich, D. (2016). Complete genome sequence and transcriptome regulation of the pentose utilizing yeast Sugiyamaella lignohabitans. FEMS Yeast Research, 16(4), 1-14. https://doi.org/10.1093/femsyr/fow037