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Fig. 6 | Microbiome

Fig. 6

From: Remarkably coherent population structure for a dominant Antarctic Chlorobium species

Fig. 6

Abundance and function of genes in Ca. Chlorobium antarcticum LCRs. The scatter plot shows relative coverages of genes associated with transport, metabolism, cell wall modification, and cell defence that were identified in LCRs of Ca. Chlorobium antarcticum from AL (, , ), EF () or TB (). The AL or EF oxic-anoxic interface merged metagenomes and TB oxic-anoxic interface metagenome are listed (x-axis). Gene functions associated with Ca. Chlorobium antarcticum LCRs are listed (y-axis). AL data represent a time-series: summer, red font (); winter, blue font (); spring, green font (). Bubble diameter scales with relative coverage expressed as a percentage (enumerated to the right of each bubble). The percentages indicate the proportion of the Ca. Chlorobium antarcticum population that contains the LCR genes, where 100% (e.g., the TB protease transporter genes) indicates all Ca. Chlorobium antarcticum MAGs contain the genes. Genes: cobalamin biosynthesis — cobalt-precorrin-5B C(1)-methyltransferase CbiD, cobalt-precorrin-6A reductase CbiJ, cobalt-precorrin-4 C(11)-methyltransferase/cobalt-precorrin-5A hydrolase CbiFG, cobalamin biosynthesis bifunctional protein CbiET, cobalamin biosynthesis protein CbiHC, cobalt-precorrin-2 C(20)-methyltransferase CbiL, sirohydrochlorin cobaltochelatase CbiK, uroporphyrinogen-III C-methyltransferase CysG; cobalt transporter — cobalt/nickel transport system proteins CbiO, CbiQ, CbiN; cobinamide and pseudocobalamin salvaging — adenosylcobinamide amidohydrolase; cobalamin transporter — TonB-dependent receptor protein, cobalamin transporter BtuB, iron/cobalamin transport system ATP-binding protein, cobalamin import system permease protein BtuC, iron/cobalamin transport system substrate-binding protein; cobalt/magnesium chelatases — magnesium chelatase subunits BchH, BchI, BchD, and cobaltochelatase subunit CobN; Iron transporters — TonB-dependent receptor protein, two iron complex transport system substrate-binding proteins, iron complex transport system permease protein, iron complex transport system ATP-binding protein, TonB-dependent haem/haemoglobin receptor family protein; Sodium ion transporter — N-ATPase operon subunits AtpG, AtpA, AtpF, AtpE, AtpB, AtpR, AtpQ, AtpC, and AtpD; Protease transporter — two ATP-binding cassette subfamily C exporters for protease/lipase, protease secretion system membrane fusion protein, protease secretion system outer membrane protein; cell wall modification — phosphatidylinositol alpha-1,6-mannosyltransferase, five glycosyltransferase involved in cell wall biosynthesis, glycosyltransferase family 4 protein, UDP-N-acetyl-d-mannosaminuronic acid dehydrogenase; type I R-M system — type I restriction enzyme subunits R and M; type IV R-M system — type IV restriction enzyme; BrnTA type II T-A system (antitoxin) — BrnA antitoxin. R-M, restriction-modification; T-A, toxin-antitoxin

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