Idiomarina loihiensis is a rod shaped, Gram-negative aerobic cell with a single polar flagellum in the genus Idiomarina. The cells are typically 0.35 µm wide and 0.7–1.8 µm in length with optimum growth temperatures between 4–46 °C. It was isolated from a hydrothermal vent at 1,300m depth on the Loihi submarine volcano, Hawaii.
The genome has been sequenced and contains 2,839,318 bp, with a GC content of 47.04%, encoding 2640 protein coding genes.These include many enzymes involved in amino acid degradation and transport, leading to the hypothesis that these bacteria utilize protein particles present in their natural habitat. The genome also encodes enzymes for the synthesis of exopolysaccharides that may be used in adherence to these particles.
- Locked Chromophore Analogs Reveal That Photoactive Yellow Protein Regulates Biofilm Formation in the Deep Sea Bacterium Idiomarina loihiensis, Michael A. van der Horst†, T. Page Stalcup‡, Sandip Kaledhonkar§, Masato Kumauchi‡, Miwa Hara‡, Aihua Xie§, Klaas J. Hellingwerf† and Wouter D. Hoff*‡ https://dx.doi.org/10.1021/ja9057103
Thumbnail: Electron micrographs of Idiomarina loihiensis Donachie, S., Hou, S., Gregory, T., et al. "Idiomarina loihiensis sp. nov., a halophilic γ-proteobacterium from the Lo'ihi submarine volcano, Hawai'i." International Journal of Systematic and Evolutionary Microbiology.