Abstract
The draft genomes of green-colored Chlorobium phaeovibrioides GrKhr17 and brown-colored Chlorobium phaeovibrioides BrKhr17, green sulfur bacteria with gas vesicles isolated from Lake Bolshye Khruslomeny, are presented. These sequences contribute to genomic analyses of the Chlorobiaceae family that are part of ongoing research seeking to better understand their ecosystem-specific adaptations.
Highlights
Meromictic lakes along the White Sea region harbor many populations of green sulfur bacteria (GSB) that offer a great opportunity for study diversity in examining the evolution of green- and brown-colored types of GSB (1–4)
The calculated values exceeded the proposed species boundary values for species delineation (ANI Ͻ 95 to 96%, digital DNA-DNA hybridization (dDDH) Ͻ 70%) (16), which suggests that strains GrKhr[17] and BrKhr[17] are novel strains of the known species Chlorobium phaeovibrioides
The genomes of Chlorobium phaeovibrioides GrKhr[17] and BrKhr[17] contain the gvp gene cluster (17), which encodes proteins that are involved in gas vesicle biogenesis (18)
Summary
Meromictic lakes along the White Sea region harbor many populations of green sulfur bacteria (GSB) that offer a great opportunity for study diversity in examining the evolution of green- and brown-colored types of GSB (1–4). Received 15 June 2019 Accepted 25 June 2019 Published 18 July 2019 mra.asm.org 1 (12) and supported with BLASTp (E value Ͻ 1e-20) (13) searches against the NCBI nonredundant protein database.
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