1. Microbe Division/Japan Collection of Microorganisms, RIKEN BioResource Research Center, Tsukuba, Ibaraki 305-0074, Japan
2. PRIME, Japan Agency for Medical Research and Development (AMED), Tsukuba, Ibaraki 305-0074, Japan
3. Advanced Genomics Center, National Institute of Genetics, Mishima, Shizuoka 411-8540, Japan