1 Supplementary Information to: 2 Adaptation of an abundant Roseobacter RCA organism to pelagic systems revealed by 3 genomic and transcriptomic analyses 4 5 Sonja Voget 1, Bernd Wemheuer 1, Thorsten Brinkhoff 2, John Vollmers 1, Sascha Dietrich1, Helge- 6 A. Giebel 2, Christine Beardsley 2, Carla Sardemann 2, Insa Bakenhus 2, Sara Billerbeck 2, Rolf 7 Daniel 1, Meinhard Simon 2 * 8 9 1 Institute of Microbiology & Genetics, Genomic & Applied Microbiology and Göttingen Genomics 10 Laboratory, University of Göttingen, D-37077 Göttingen, Germany. 11 2 12 26111 Oldenburg, Germany. Institute for Chemistry and Biology of the Marine Environment, University of Oldenburg, D- 13 14 * corresponding author. m.simon@icbm.de 15 16 17 Supplementary information includes 4 Figures with the circular representation of the genome of 18 Planktomarina temperata RCA23 (S1), the flagellar genes (S2), the photosynthesis gene cluster of 19 P. temperata RCA23 and other organisms affiliated to the Roseobacter clade (S3), expression 20 patterns of the photosynthesis gene cluster of P. temperata RCA23 during day and night during a 21 phytoplankton spring bloom in the North Sea (S4) and 7 Tables with genomic and metagenomic 22 data on this organism and others of the Roseobacter clade. For Tables S4, S6 and S7 see extra files. 23 24 1 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 Figure legends Figure S1: Circular representation of the genome of Planktomarina temperata RCA23. From the outer to the innermost circle: 1. Genomic islands (GIs, red). 2 and 3: Leading and lagging strand colored according to the assigned Clusters of Orthologous Groups (COG) categories. 4: transposases/integrases (red), rRNA genes (purple). 5: tRNAs. 6-22: Homologs to genes in 17 organisms of the Roseobacter clade as listed in Table S3, colored according to subclades like in Fig. 1. ORFs of P. temperata were determined by reciprocal BLAST-analysis with global alignments (see Methods) against the proteome datasets of the 17 organisms. Query organisms: Rhodobacterales bacterium HTCC2150, Maritimibacter alkaliphilus HTCC2654, Jannaschia sp. CCS1, Dinoroseobacter shibae DFL12, Loktanella vestfoldensis SKA53, Octadecabacter antarcticus 307, Octadecabacter arcticus 238, Roseovarius sp. TM1035, Roseovarius sp. 217, Sagittula stellata E-37, Oceanicola batsensis HTCC2597, Sulfitobacter NAS-14.1, Sulfitobacter sp. GAI101, Roseobacter litoralis Och149, Rhodobacterales bacterium HTCC2083, Phaeobacter inhibens DSM17395, Ruegeria pomeroyi DSS-3. 23: G+C-content of the chromosome of P. temperata with violet areas below average and olive areas above average. Figure S2 Neighbor-joining phylogeny of flagellar gene sets in Roseobacter clade members (marked in red) and related gene sets in other Alpha- and Gammaproteobacteria based on concatenated protein sequences. The subtree containing flagellar protein sequences of Gammaproteobacteria was collapsed. Bootstrap values are given for major nodes. The resulting phylogenetic tree shows that the flagellar gene sets of the Roseobacter clade are divided into two distinct groups (group I and II) which are more closely related to gene sets of Gammaproteobacteria than to each other. The flagellar genes of P. temperata (marked in bold) fall into group II which contains relatively few sequences of Roseobacter clade members but includes strains of the SAR116 clade (Cand. Puniceispirillum marinum IMCC1322, Alphaproteobacterium HIMB 100) and of Rhodobacter sphaeroides. In contrast, the majority of flagella gene sets in the Roseobacter clade belong to group I. For the phylogenetic relationship of the flagellar gene sets, genes belonging to the flagellar cluster were identified in the genomes of 38 Roseobacter clade members based on existing annotations and on reciprocal BLASTp analyses. Related gene sets from other bacterial taxa (displayed in black) were obtained by BLASTp analyses of the NCBI nt database using multiple flagellar proteins as query. When multiple flagellar gene sets were present in the same genome, numbers were assigned to the individual sets (indicated by square parentheses). For each gene set, alignments of 15 shared flagellar proteins (FlgA, FlgB, FlgC, FlgD, FlgF, FlgG, FlgH, FlgI, FlhA, FlhB, FliE, FliI, FliL, FliQ, and FliR) were produced using clustalW v1.83. The alignments were concatenated and imported into ARB v5.1 where a filter was created to remove gapped sites and the remaining 3,673 alignment positions per concatenated sequence were subjected to neighbor-joining analysis. Figure S3 Photosynthesis gene cluster (PGC) of P. temperata RCA23, a BAC clone and other organisms affiliated to the Roseobacter clade. Shown is the different organization of the PGC of members of the Roseobacter clade and environmental clone BAC-60D04 (NCBI Accession AE008921) derived from Californian coastal waters (Béjà et al., 2002). Homologous regions are indicated by blue shaded vertical areas and black lines, respectively. Re-arrangements are marked by red shaded areas. Genes are colored according to biological categories: green, 2 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 bacteriochlorophyll biosynthesis (bch); orange, carotenoid biosynthesis (crt); red, light harvesting and photosynthesis reaction center (puf); blue, cytochrome c2; grey, accessory genes. Figure S4 Transporter proteins of P. temperata RCA23 in comparison to those of other organisms of the Roseobacter clade. Relation between total numbers of transporters and ABC transporters (A). Box-Whisker plot of ABC transporters (B), ABC-/total transporters (C) and TRAP transporters (D) of 14 members of the Roseobacter clade associated to other organisms, surfaces or sediment and of 24 members with a pelagic life style listed in supplementary Table S2. Data include 12 closed and 26 draft genomes. Blue circle and +: P. temperata RCA23. The boxes show the median (solid line), mean (dashed line), the 25th and 75th percentile and the whiskers the 10th and 90th percentiles. : outlayers. For further details see supplementary Tables S2 and S3. Figure S5 Expression patterns of the photosynthesis gene cluster of P. temperata RCA23 at station 13 during day and station 9 at night during a phytoplankton spring bloom in the southern North Sea in May 2010. Genes are colored according to biological categories: green, bacteriochlorophyll biosynthesis (bch); orange, carotenoid biosynthesis (crt); red, light harvesting and photosynthesis reaction center (puf). Figure S6 Representation of the genome of Planktomarina temperata RCA23 in metagenomic data sets of the north-western Atlantic Ocean. (A) Overview of the stations visited by the Global Ocean Sampling (GOS) expedition in the western coastal Atlantic Ocean (Rusch et al., 2007). (B) Salinity, temperature, chlorophyll and mapped reads (bar) of the genome of P. temperata RCA23 at the stations shown above. 3 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 Figure S1. 4 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 Figure S2 5 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 Figure S3 6 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 Figure S4 7 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 Figure S5 Voget et al 8 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 Figure S6 9 305 306 307 Table S1. Overview of metagenomic and metatranscriptomic datasets used in this study. Data sets used in this study type Sequencing technology Raw-reads No. of reads (trimmed, rRNA free) Reference DNA Illumina 24 331 052 23 381 812 This study RNA Illumina 24 879 579 2 223 804 DNA Illumina 13 125 978 12 671 944 RNA Illumina 26 176 832 8 101 537 DNA Illumina 16 877 252 16 156 091 RNA Illumina 26 985 711 15 349 574 northwestern Atlantic (stations GOS02-13) DNA Sanger 1 083 836 - Norwegian fjord DNA 454 863 687 - RNA 454 256 537 - Station 3, non-bloom Station 9, bloom-night Station 13, bloom-day 308 309 310 311 312 313 314 315 This study This study Rusch et al. Gilbert et al Rusch DB, et al. (2007). The Sorcerer II Global Ocean Sampling expedition: northwest Atlantic through eastern tropical Pacific. PLoS Biology 5:e77. Gilbert JA, et al. (2008). Detection of large numbers of novel sequences in the metatranscriptomes of complex marine microbial communities. PLoS One 3:e3042. 10 Table S2. Overview of genome characteristics and general genome comparisons of organisms of the Roseobacter clade isolated from associations (assoc) with various organisms, surfaces or sediment and from pelagic environments and ordered according to genome size. For comparison respective data of Cand. Pelagibacter ubique HTCC1062 are also given. The number of plasmids was derived from plasmid replication systems. Data were taken from the Integrated Microbial Genomes and Metagenomes (IMG; http://img.jgi.doe.gov/) platform. F: finished genomes; D: draft genomes. nd: not determined. CDS: Coding DNA sequences; COG: Cluster of orthologous groups; ABC: ATP-binding cassette; TRAP: Tripartite ATP-independent periplasmic. Status F F F F D F F F D F D F F F D Genome Name Cand. Pelagibacter ubique HTCC1062 Nautella italica R11 Ruegeria sp. TM1040 Phaeobacter inhibens 2.10 Roseovarius sp. TM1035 Phaeobacter inhibens DSM17395 Roseobacter denitrificans OCh 114 Dinoroseobacter shibae DFL-12, DSM 16493 Ruegeria sp. KLH11 Ruegeria pomeroyi DSS-3 Silicibacter sp. TrichCH4B Roseobacter litoralis Och 149 Octadecabacter antarcticus 307 Octadecabacter arcticus 238 Citreicella sp. SE45 type Scaf fold Cou nt GC geno me size % codi ng Gene Count CDS Count COG Homolog CDSs (alignment min. 30% and e-value <1e-20) trans-port proteins ABC-type transport proteins TRAP -type trans port protei ns amino acid transpo rt proteins Plasmids total % Mb % total total % total % total per Mb total per Mb total total total pelagic 1 30 1.31 96.1 1 394 1 354 81.13 847 27.7 95 73 67 51.1 9 31 0 assoc 2 60 3.82 88.7 3 725 3 656 1 860 60.9 321 84 256 67.0 27 63 1 assoc 3 60 4.15 89.0 3 964 3 870 75.45 1 825 59.7 375 90 289 69.6 42 51 4 assoc 4 60 4.16 88.0 3 798 3 729 82.52 1 894 62.0 371 89 289 69.5 27 74 3 assoc 15 61 4.21 91.1 4 158 4 102 73.42 1 847 60.4 380 90 275 65.3 53 100 1 assoc 4 60 4.23 88.8 3 960 3 891 80.03 1 891 61.9 369 87 297 70.2 22 69 3 assoc 5 59 4.33 89.4 4 201 4 146 73.22 1 923 62.9 432 100 324 74.8 64 72 4 assoc 6 66 4.42 89.9 4 271 4 219 74.29 1 861 60.9 407 92 273 61.8 78 55 5 assoc 6 58 4.49 86.4 4 338 4 274 68.88 1 797 58.8 327 73 241 53.7 34 51 2 assoc 2 64 4.60 90.0 4 355 4 283 78.05 1 941 63.5 447 97 321 69.8 72 114 1 assoc 8 59 4.69 89.1 4 814 4 735 68.92 1 821 59.6 461 98 348 74.2 55 45 nd assoc 4 57 4.74 89.1 4 577 4 537 77.91 1 982 64.9 509 107 387 81.6 66 95 3 assoc 18 55 4.91 83.4 5 544 5 495 58.75 1 906 62.4 428 87 339 69.0 48 58 1 assoc 8 55 5.39 81.8 5 883 5 834 60.58 1 888 61.8 395 73 305 56.6 50 80 2 assoc 9 67 5.52 87.9 5 499 5 427 71.65 1 721 56.3 644 117 443 80.3 132 103 3 11 Status D D F D D D D D D D D D D D F D D D Genome Name Rhodobacterales sp.HTCC2255 Loktanella vestfoldensis SKA53 Planktomarina temperata RCA23 Loktanella sp. CCS2 Thalassiobium sp. R2A62 Ruegeriar lacuscaerulensis ITI1157 Sulfitobacter sp. EE36 Rhodobacterales sp. HTCC2150 Roseovarius nubinhibens ISM Sulfitobacter sp. NAS-14.1 Rhodobacterales sp. HTCC2083 Oceanicola granulosus HTCC2516 Oceanibulbus indolifex HEL-45 Roseobacter sp. AzwK-3b Jannaschia sp. CCS1 Rhodobacterales sp. Y4I Oceanicola batsensis HTCC2597 Maritimibacter alkaliphilus HTCC2654 type Scaf fold Cou nt GC geno me size % codi ng Gene Count CDS Count COG Homolog CDSs (alignment min. 30% and e-value <1e-20) trans-port proteins ABC-type transport proteins TRAP -type trans port protei ns amino acid transpo rt proteins Plasmids total % Mb % total total % total % total per Mb total per Mb total total total pelagic 12 37 2.54 92.7 2 240 2 177 87.46 1 565 51,2 247 111 179 47.6 38 54 0 pelagic 14 60 3.06 91.9 3 117 3 068 75.01 1 843 60.3 272 89 205 67.0 34 45 0 pelagic 1 54 3.29 89.8 3 101 3 056 83.23 / / 287 87 208 63.2 43 53 0 pelagic 11 55 3.49 92.2 3 703 3 660 69.46 1 841 60.2 300 86 234 67.0 35 46 0 pelagic 1 55 3.49 90.1 3 744 3 696 67.68 1 913 62.6 285 82 221 63.3 31 48 0 pelagic 2 63 3.52 90.9 3 677 3 611 72.97 1 828 59.8 298 85 222 63.1 28 44 1 pelagic 15 60 3.55 91.0 3 542 3 474 76.31 1 764 57.7 333 94 215 60.6 73 54 2 pelagic 25 49 3.58 91.6 3 713 3 667 70.11 1 943 63.6 273 76 186 52.0 53 59 3 pelagic 10 64 3.67 89.8 3 605 3 547 74.84 1 737 56.8 322 88 202 55.0 76 70 1 pelagic 27 60 4.00 90.1 4 026 3 962 73.7 1 788 58.5 348 87 229 57.3 65 53 5 pelagic 5 53 4.02 87.6 4 226 4 179 69.12 2 009 65.7 347 86 255 63.4 66 76 1 pelagic 85 70 4.04 91.5 3 855 3 792 77.12 1 736 56.8 459 114 384 95.0 35 52 2 pelagic 105 60 4.11 89.4 4 208 4 153 73.31 1 780 58.2 411 100 286 69.6 68 79 1 pelagic 31 62 4.18 88.8 4 197 4 145 69.67 1 825 59.7 325 78 229 54.8 59 78 0 pelagic 2 62 4.40 90.8 4 339 4 283 73.17 1 917 62.7 400 91 303 68.9 59 39 1 pelagic 5 64 4.34 86.2 4 206 4 133 73.3 1 782 58.3 317 73 218 50.2 42 73 2 pelagic 23 66 4.44 89.2 4 261 4 212 75.1 1 739 56.9 437 98 293 66.0 82 108 4 pelagic 46 64 4.53 90.1 4 763 4 712 67.86 1 751 57.3 381 84 260 57.4 64 88 3 12 Status D D D D D D Genome Name Sulfitobacter sp. GAI101 Roseobacter sp. SK209-2-6 Roseobacter sp. MED193 Roseovarius sp. 217 Sagittula stellata E37 Pelagibaca bermudensis HTCC2601 type Scaf fold Cou nt GC geno me size % codi ng Gene Count CDS Count COG Homolog CDSs (alignment min. 30% and e-value <1e-20) trans-port proteins ABC-type transport proteins TRAP -type trans port protei ns amino acid transpo rt proteins Plasmids total % Mb % total total % total % total per Mb total per Mb total total total pelagic 9 59 4.53 87.2 4 258 4 203 76.33 1 857 60.8 414 91 291 64.2 74 59 3 pelagic 29 57 4.55 88.8 4 610 4 537 71.13 1 851 60.6 394 87 276 60.7 59 86 3 pelagic 19 57 4.65 89.1 4 605 4 535 71.9 1 901 62.2 395 85 281 60.4 51 80 2 pelagic 37 61 4.76 90.2 4 823 4 772 72.53 1 842 60.3 417 88 277 58.2 73 100 2 pelagic 39 65 5.26 88.3 5 121 5 067 72.66 1 908 62.4 546 104 399 75.9 90 89 3 pelagic 103 66 5.42 88.6 5 519 5 452 70.95 1 830 59.9 596 110 408 75.3 116 87 3 13 Table S3. Mean values+standard deviation of genomic features and COG categories indicated of the members of the Roseobacter clade associated to other organisms, surfaces and sediment and with a pelagic life style listed in supplementary Table S4, Planktomarina temperata RCA23 and of Photobacterium angustum and Sphingopyxis alaskensis. *: significantly different means as tested by Student’s t-test (P<0.03; genome size, % coding genes, ABC/total transporters, COG V) or Mann Whitney Rank Sum test (P<0.015; ABC transporters, COG I). N: number of organism of the subgroup; CDS: Coding DNA Sequences. Data of P. angustum and S. alaskensis are from Lauro et al. (2009) and the Integrated Microbial Genomes and Metagenomes (IMG; http://img.jgi.doe.gov/) platform. Feature Associated Pelagic N 14 24 GC content (%) 60.07+3.58 59.28+6.82 Genome size (Mb) 4 547+478 4 059+681 * % coding genes 88.05+2.57 89.82+1.62 * CDS 4 442.7+689.2 4 003.9+699.8 Transporter proteins 419.0+82.5 366.8+86.0 ABC transporters 313.4+53.6 260.9+63.5 * ABC/total 0.75+0.04 0.71+0.05 * ABC/Mb 68.8+7.9 63.2+9.8 TRAP transporters 55.0+28.1 58.9+21.3 COG N (cell motility; %) 1.53+0.44 1.22+0.54 COG K (transcription; %) 8.03+1.01 7.53+0.99 COG V (defense; %) 1.37+0.20 1.14+0.18 * COG T (signal transduction ; %) 4.45+0.79 4.16+0.85 COG I (lipid transport and metabolism; %) 4.58+0.47 5.34+0.86 * COG Q (secondary metabolites, biosynthesis, 3.52+0.44 3.87+0.65 transport and catabolism, %) P. temperata P. angustum S. alaskensis 1 54 3.29 89.75 3 056 287 208 0.72 63.2 43 1.71 6.15 1.01 2.72 6.18 4.63 1 39.69 5.10 85.19 4 558 293 182 0.62 36.7 4 3.31 7.53 1.47 7.07 2.96 2.17 1 65.46 3.37 90.63 3 208 116 50 0.43 14.9 0 1.01 6.62 1.24 3.63 4.41 3.54 14 Table S4. Complete CDS list of P. temperata RCA23 and combined results of the reciprocal blast comparisons against 39 Roseobacter genomes. Orthologous genes with an e-value of the corresponding blast hit <1e-20 and min. global alignment of 30% are colored. See extra file! 15 Table S5. Percent of COG categories N (cell motility), K (transcription), V (defense), T (signal transduction), I (lipid transport and metabolism) and Q (secondary metabolites, biosynthesis, transport and catabolism) of organisms of the Roseobacter clade isolated from associations with various organisms, surfaces or sediment and from pelagic environments. For comparison respective data of Cand. Pelagibacter ubique are also given. Data were taken from the Integrated Microbial Genomes and Metagenomes (IMG; http://img.jgi.doe.gov/) platform. Genome Name Associated Dinoroseobacter shibae DFL-12, DSM 16493 Nautella italica R11 Octadecabacter antarcticus 307 Octadecabacter arcticus 238, DSM 13978 Phaeobacter inhibens 2.10 Phaeobacter inhibens DSM 17395 Roseobacter denitrificans OCh 114 Roseobacter litoralis Och 149 Ruegeria pomeroyi DSS-3 Ruegeria sp. TM1040 Citreicella sp. SE45 Roseovarius sp. TM1035 Ruegeria sp. KLH11 Ruegeria sp. TrichCH4B N K V T I Q % % % % % % 1.14 1.82 1.32 1.21 1.69 1.64 1.43 1.35 0.85 2.17 1.27 2.46 1.17 1.90 6.86 8.07 7.11 6.25 8.62 8.30 7.15 7.63 9.89 9.29 8.60 7.73 7.97 9.07 1.26 1.46 1.23 0.83 1.40 1.33 1.72 1.40 1.44 1.34 1.37 1.51 1.54 1.33 3.89 5.17 3.51 2.90 4.98 4.67 4.52 4.37 4.15 6.08 4.19 4.59 4.05 5.21 4.37 4.68 4.71 3.60 4.75 4.86 4.52 4.21 5.74 4.61 4.29 4.65 4.75 4.31 3.65 3.39 3.45 2.63 3.73 3.63 3.38 3.56 4.50 3.28 3.86 3.93 3.38 2.95 16 Pelagic Planktomarina temperata RCA23 Jannaschia sp. CCS1 Loktanella sp. CCS2 Loktanella vestfoldensis SKA53 Maritimibacter alkaliphilus HTCC2654 Oceanibulbus indolifex HEL-45 Oceanicola batsensis HTCC2597 Oceanicola granulosus HTCC2516 Pelagibaca bermudensis HTCC2601 Rhodobacterales bacterium HTCC2083 Rhodobacterales bacterium HTCC2150 Rhodobacterales bacterium Y4I Rhodobacterales bacterium HTCC2255 Roseobacter sp. AzwK-3b Roseobacter sp. MED193 Roseobacter sp. SK209-2-6 Roseovarius nubinhibens ISM Roseovarius sp. 217 Sagittula stellata E-37 Ruegeria lacuscaerulensis ITI-1157 Sulfitobacter sp. EE-36 Sulfitobacter sp. GAI101 Sulfitobacter sp. NAS-14.1 Thalassiobium sp. R2A62 N K V T I Q 1.71 1.32 1.17 1.97 0.53 1.04 1.13 2.25 1.86 1.64 0.31 1.78 0.21 0.75 0.97 1.62 0.26 1.17 1.45 1.16 1.33 1.51 1.01 1.10 6.15 8.31 7.23 6.46 7.74 7.52 7.06 7.27 7.99 6.95 6.80 8.27 5.80 6.94 9.21 10.09 8.67 8.66 7.87 7.38 7.33 6.68 7.48 6.91 1.01 0.94 1.17 1.20 0.93 0.91 1.03 1.21 1.02 1.06 1.23 1.39 0.93 1.57 1.27 1.04 0.93 1.03 1.10 1.30 1.26 1.45 1.15 1.26 2.72 4.19 4.04 4.15 4.02 5.38 3.47 3.77 4.16 2.91 3.73 6.23 2.48 4.58 4.92 5.15 3.82 4.43 4.97 4.21 4.00 4.86 3.81 3.75 6.18 5.01 4.94 5.09 6.96 4.93 8.00 4.57 4.75 5.92 5.38 4.57 4.35 4.75 5.83 4.79 5.00 5.32 5.29 5.03 6.10 5.97 4.95 4.38 4.63 4.03 2.92 3.55 4.36 3.57 4.94 3.80 3.80 4.62 4.80 3.60 2.69 3.08 4.08 3.54 4.04 3.72 4.27 3.24 4.14 4.95 3.67 2.88 17 1 2 3 4 5 6 7 8 9 10 11 Table S6. Normalized read counts (NPKM) of the transcripts at stations 9 (bloom, night) and 13 (bloom, day) and differences between night and day See extra file! Table S7 Coverage of P. temperata RC23 genes from combined stations GS012-13 of the GOS data set and the Norwegian fjord metagenome. See extra file! 12 18