Glycine Betaine Biosynthesized from Glycine Provides an Osmolyte for Cell Growth and Spore Germination during Osmotic Stress in Myxococcus xanthus

Author:

Kimura Yoshio1,Kawasaki Shinji1,Yoshimoto Hinae1,Takegawa Kaoru12

Affiliation:

1. Department of Applied Biological Science, Faculty of Agriculture, Kagawa University, Miki-cho, Kagawa, Japan 761-0795

2. Department of Bioscience and Biotechnology, Kyusyu University, Hakozaki, Higashi-ku, Fukuoka, Japan 812-8581

Abstract

ABSTRACT Glycine sarcosine methyltransferase (Gsm) and sarcosine dimethylglycine methyltransferase (Sdm) catalyze glycine betaine synthesis from glycine. Disruption of the M. xanthus gsmA (MXAN 7068) or sdmA (MXAN 3190) gene, encoding Gsm or Sdm homologue proteins, respectively, generated mutants that exhibited a longer lag period of growth and delayed spore germination under osmostress.

Publisher

American Society for Microbiology

Subject

Molecular Biology,Microbiology

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