Table 7.

A list of common genomic features shared by Thalassobius-Shimia group included in the study.

- A complete set of PHB synthesis and degradation machinery

- Type II secretion system, tad type

- chv two components response regulator

- Absence of BChl a production, together with presence of regA gene

- Absence of proteorhodopsin production

- Presence of a Genome Transfer Agent set (GTA) lacking Capsid gene

- Lack of minCDE system among cytoskeleton set of genes

- Putrescine biosynthetic ability (arginine decarboxylase, speA, plus agmatinase, speB)

- Phosphatidyl choline synthesis (pcs)

- Decaprenyl phosphate synthase (Q10)

- A complete ethylmalonyl CoA pathway for C2 assimilation

- Arsenate reductase

- Mercuric reductase