The neomuran origin of archaebacteria, the negibacterial root of the universal tree and bacterial megaclassification

International Journal of Systematic and Evolutionary Microbiology

Volumn 52, Issue 1, 2002, Pages 7-76

  Cavalier Smith, T ^a  

^a UNIVERSITY OF OXFORD   (United Kingdom)

Author keywords

Actinobacteria; Microbial fossils and evolution; Origin of N linked glycoprotein secretion; Thermophily and molecular co evolution of DNA handling enzymes; Unibacteria

Indexed keywords

ADENOSINE TRIPHOSPHATASE; ASPARAGINE LINKED OLIGOSACCHARIDE; BACTERIAL RNA; CHAPERONIN; CHOLESTEROL; DNA BINDING PROTEIN; FLAGELLIN; GLYCOPROTEIN; HEAT SHOCK PROTEIN 90; HISTONE; LIPID; PEPTIDOGLYCAN; PROTEASOME; PROTEIN SUBUNIT; PROTON PUMP; RADICAL; SIGNAL RECOGNITION PARTICLE; SMALL NUCLEOLAR RIBONUCLEOPROTEIN; SULFUR; TRANSFER RNA;

ANAEROBIC BACTERIUM; ARCHAEBACTERIUM; ARTICLE; BACTERIAL FLAGELLUM; BACTERIAL MEMBRANE; BACTERIUM TRANSFORMATION; BIOGENESIS; CHIMERA; CHOLESTEROL SYNTHESIS; CLADISTICS; CLASSIFICATION; CLASSIS; CONTROLLED STUDY; CYANOBACTERIUM; EUKARYOTE; EVOLUTIONARY ADAPTATION; FOSSIL; GENE DUPLICATION; GENE LOSS; GENE SEQUENCE; GENE TRANSFER; HALOPHILIC BACTERIUM; HETEROTROPHY; INTRON; METHANOGENESIS; MICROMORPHOLOGY; MOLECULAR EVOLUTION; MOSAICISM; NONHUMAN; PALEONTOLOGY; PARAPHYLY; PHENOTYPE; PHOTOSYNTHESIS; PHYLOGENETIC TREE ROOT; PHYLUM; PRIORITY JOURNAL; PROKARYOTE; PROTEIN DOMAIN; PROTEIN SECRETION; QUANTUM CHEMISTRY; REGNUM; RNA SPLICING; RNA TRANSLATION; TAXONOMY; THERMOPHILIC BACTERIUM; ULTRASTRUCTURE;

ACTINOBACTERIA; ARCHAEA; BACTERIA (MICROORGANISMS); CYANOBACTERIA; EUKARYOTA; INSERTION SEQUENCES; NEGIBACTERIA; POSIBACTERIA; PROKARYOTA;

EID: 0036155782     PISSN: 14665026     EISSN: None     Source Type: Journal    
DOI: 10.1099/00207713-52-1-7     Document Type: Article

References (330)

1. Were the original eubacteria thermophiles?
2. Adaptations of the archaeal cell membrane to heat stress
3. Prokaryotic homologs of the eukaryotic DNA-end-binding protein Ku, novel domains in the Ku protein and prediction of a prokaryotic double-strand break repair system
4. Evidence for massive gene exchange between archaeal and bacterial hyperthermophiles
5. Reply
6. Holliday junction resolvases and related nucleases: Identification of new families, phyletic distribution and evolutionary trajectories
7. Recurrent paralogy in the evolution of archaeal chaperonins
8. Origin and evolution of eukaryotic chaperonins: Phylogenetic evidence for ancient duplications in CCT genes
9. Molecular chaperones encoded by a reduced nucleus: The cryptomonad nucleomorph
10. The twenty-first amino acid
11. The eukaryotic-like Ser/ Thr protein kinases of Mycobacterium tuberculosis
12. Molecular clock mirages
13. Origin and evolution of the slime molds (Mycetozoa)
14. The root of the universal tree and the origin of eukaryotes based on elongation factor phylogeny
15. A kingdom-level phylogeny of eukaryotes based on combined protein data
16. Perspectives on archaeal diversity, thermophily and monophyly from environmental rRNA sequences
17. Genetic hitchhiking
18. Eukaryotic non-coding DNA is functional: Evidence from the differential scaling of cryptomonad genomes
19. Another bridge between kingdoms: tRNA splicing in archaea and eukaryotes
20. Prokaryotic and eukaryotic chromosomes: What's the difference?
21. Chromosome replication, nucleoid segregation and cell division in archaea
22. The cyanobacterial origin and vertical transmission of the plastid tRNA(Leu) group-I intron
23. The phylogeny of plastids: A review based on comparisons of small-subunit ribosomal RNA coding regions
24. Phylogeny of Gracilaria lemaneiformis (Rhodophyta) based on sequence analysis of its small subunit ribosomal RNA coding region
25. Algae containing chlorophylls a+c are paraphyletic: Molecular evolutionary analysis of the Chromophyta
26. Protein structure, electron transfer and evolution of prokaryotic photosynthetic reaction centers
27. Molecular evidence for the evolution of photosynthesis
28. Intracellular protein topogenesis
29. The role of lateral gene transfer in the evolution of isoprenoid biosynthesis pathways
30. The Cambrian explosion and the slow burning fuse
31. A billion years of environmental stability and the emergence of eukaryotes: New data from northern Australia
32. Ediacarian sponge spicule clusters from southwestern Mongolia and the origins of the Cambrian fauna
33. Archaea sister group of Bacteria? Indications from tree reconstruction artifacts in ancient phylogenies
34. Archean molecular fossils and the early rise of eukaryotes
35. Archaea and the prokaryote-to-eukaryote transition
36. Gene descent, duplication, and horizontal transfer in the evolution of glutamyl- and glutaminyl-tRNA synthetases
37. The ring-type polymerase sliding clamp family
38. An intron within the 16S ribosomal RNA gene of the archaeon Pyrobaculum aerophilum
39. Purification and properties of DNA polymerase from Bacillus caldotenax
40. Bangiomorpha pubescens n. gen., n. sp.: Implications for the evolution of sex, multicellularity, and the Mesoproterozoic/Neoproterozoic radiation of eukaryotes
41. A bangiophyte red alga from the Proterozoic of arctic Canada
42. Structural and genomic correlates of hyperthermostability
43. The Archaean sulfur cycle and the early history of atmospheric oxygen
44. Functional interactions of a homolog of proliferating cell nuclear antigen with DNA polymerases in Archaea
45. Respiratory chains in the last common ancestor of living organisms
46. The origin of nuclei and of eukaryote cells
47. Darwinism yesterday and today
48. Nuclear volume control by nucleo-skeletal DNA, selection for cell volume and cell growth rate, and the solution of the DNA C-value paradox
49. Cell compartmentation and the origin of eukaryote membranous organelles
50. The origin and early evolution of the eukaryotic cell
51. Genetic symbionts and the origin of split genes and linear chromosomes
52. A 6-kingdom classification and a unified phylogeny
53. Introduction: The evolutionary significance of genome size
54. DNA replication and the evolution of genome size
55. Selfish DNA and the origin of introns
56. The kingdoms of organisms
57. The origin of cells: A symbiosis between genes, catalysts, and membranes
58. The origin of eukaryotic and archaebacterial cells
59. The origin of Fungi and pseudofungi
60. Microorganism megaevolution: Integrating the living and fossil evidence
61. The evolution of cells
62. The evolution of prokaryotic and eukaryotic cells
63. Intron phylogeny: A new hypothesis
64. Origins of secondary metabolism
65. Bacteria and eukaryotes
66. Origin of the cytoskeleton
67. Evolution of the eukaryotic genome
68. Membrane heredity, symbiogenesis, and the multiple origins of algae
69. A revised six-kingdom system of life
70. Principles of protein and lipid targeting in secondary symbiogenesis: Euglenoid, dinoflagellate, and sporozoan plastid origins and the eukaryote family tree
71. Membrane heredity and early chloro-plast evolution
72. Flagellate megaevolution: The basis for eukaryote diversification
73. What are Fungi?
74. Obcells as proto-organisms: Membrane heredity, lithophosphorylation, and the origins of the genetic code, the first cells, and photosynthesis
75. The phagotrophic origin of eukaryotes and phylogenetic classification of Protozoa
76. The skeletal function of non-genic nuclear DNA: New evidence from ancient cell chimaeras
77. Cryptomonad nuclear and nucleomorph 18S rRNA phylogeny
78. Sponge phylogeny, animal monophyly and the origin of the nervous system: 18S rRNA evidence
79. Polar lipids of archaebacteria in sediments and petroleums
80. Pseudouridine in RNA: What, where, how, and why?
81. Do ribonucleo-proteins contribute to the resistance of Deinococcus radiodurans to ultraviolet irradiation
82. 1 transfer enzymes and coenzymes linking methylotrophic bacteria and methanogenic archaea
83. Cis-acting signals controlling translational initiation in the thermophilic archaeon Sulfolobus solfataricus
84. A novel RNA binding protein, SBP2, is required for the translation of mammalian selenoprotein mRNAs
85. The catalytic subunit of yeast telomerase
86. Retrotransposition of a bacterial group II intron
87. Glu-tRNAGln amidotransferase: A novel heterotrimeric enzyme required for correct decoding of glutamine codons during translation
88. Sporulation in evolution
89. Archaeopteryx and evolution
90. Dibiphytanyl ether lipids in nonthermophilic crenarchaeotes
91. Rampant horizontal transfer and duplication of rubisco genes in eubacteria and plastids
92. Expanding the known diversity and environmental distribution of an uncultured phylogenetic division of bacteria
93. The origins and evolution of eukaryotic proteins
94. Microbial genomes opened up
95. Evolutionary anomalies among the aminoacyl-tRNA synthetases
96. Genes - In pieces: Were they ever together?
97. Phylogenetic classification and the universal tree
98. Lateral genomics
99. Uprooting the tree of life
100. Cryptomonad algae are evolutionary chimaeras of two phylo-genetically distinct unicellular eukaryotes
101. The highly reduced genome of an enslaved algal nucleus
102. DNA uptake in bacteria
103. The birth of complex cells
104. Archaea and the origin(s) of DNA replication proteins
105. Evidence of independent gene duplications during the evolution of archaeal and eukaryotic family B DNA polymerases
106. Proposal for Mollicutes as name of the class established for the order Mycoplasmatales
107. Early branching eukaryotes?
108. The selenocysteine insertion sequence binding protein SBP is different from the Y-box protein dbpB
109. Cytoskeletal proteins: The evolution of cell division
110. Horizontal transfer of catalase-peroxidase genes between archaea and pathogenic bacteria
111. Molecular analysis of archaeal flagellins: Similarity to the type IV pilin-transport superfamily widespread in bacteria
112. Nuclear-encoded, plastid-targeted genes suggest a single common origin for apicomplexan and dinoflagellate plastids
113. Cases in which parsimony or compatibility methods will be positively misleading
114. Converting amino acid alignment scores into measures of evolutionary time: A simulation study of various relationships
115. Determining divergence times with a protein clock: Update and reevaluation
116. Molecular phylogeny of the animal kingdom
117. An improved method for determining codon variability in a gene and its application to the rate of fixation of mutations in evolution
118. Thermoreduction, a hypothesis for the origin of prokaryotes
119. A hot topic: The origin of hyperthermophiles
120. Where is the root of the universal tree of life?
121. Universal tree of life
122. Reverse gyrase from hyperthermophiles: Probable transfer of a thermoadaptation trait from archaea to bacteria
123. A non-hyperthermophilic common ancestor to extant life forms
124. The RNA world
125. The miniaturized nuclear genome of a eukaryotic endosymbiont contains genes that overlap, genes that are cotranscribed, and the smallest known spliceosomal introns
126. About the last common ancestor, the universal life-tree and lateral gene transfer: A reappraisal
127. The bioenergetics of the last common ancestor and the origin of the eukaryotic endo-membrane system
128. +ATPase: Implications for the origin of eukaryotes
129. An archaeal genomic signature
130. Evolution of heme and chlorophyll
131. Was "molecular opportunism" a factor in the evolution of different photosynthetic light-harvesting pigment systems?
132. The root of the universal tree of life inferred from anciently duplicated genes encoding components of the protein-targeting machinery
133. Discontinuous occurrence of the hsp70 (dnaK) gene among Archaea and sequence features of HSP70 suggest a novel outlook on phylogenies inferred from this protein
134. Selective stimulation of translation of leaderless mRNA by initiation factor 2: Evolutionary implications for translation
135. Protein phylogenies and signature sequences: A reappraisal of evolutionary relationships among archaebacteria, eubacteria, and eukaryotes
136. Life's third domain (Archaea): An established fact or an endangered paradigm?
137. The natural evolutionary relationships among prokaryotes
138. Evolutionary relationships among photosynthetic prokaryotes (Helio-bacterium chlorum, Chloroflexus aurantiacus, cyanobacteria, Chlorobium tepidum and proteobacteria): Implications regarding the origin of photosynthesis
139. Traces of archaebacteria in ancient sediments
140. Megascopic eukaryotic algae from the 2.1-billion-year-old Negaunee iron-formation, Michigan
141. An attempt to pinpoint the phylogenetic introduction of glutaminyl-tRNA synthetase among bacteria
142. Verrucomicrobia div. nov., a new division of the bacteria containing three new species of Prosthecobacter
143. Ribozyme crevices and catalysis
144. The prokaryote-to-eukaryote transition reflected in the evolution of the V/F/A-ATPase catalytic and proteolipid subunits
145. Microsporidia are related to Fungi: Evidence from the largest subunit of RNA polymerase II and other proteins
146. A neoproterozoic snowball earth
147. The phylogenetic structure of the metabacteria
148. The "green" form I ribulose 1,5-bisphosphate carboxylase/oxygenase from the nonsulfur purple bacterium Rhodobacter capsulatus
149. The thermosome: Chaperonin with a built-in lid
150. Novel division level bacterial diversity in a Yellowstone hot spring
151. Impact of culture-independent studies on the emerging phylogenetic view of bacterial diversity
152. Lateral gene transfer, genome surveys, and the phylogeny of prokaryotes
153. Neoproterozoic 'snowball Earth' simulations with a coupled climate/ice-sheet model
154. Evidence for the presence of the reductive pentose phosphate cycle in a filamentous anoxygenic photosynthetic bacterium, Oscillochloris trichoides strain DG-6
155. Evolutionary relationship of archaebacteria, eubacteria, and eukaryotes inferred from phylogenetic trees of duplicated genes
156. Horizontal gene transfer among genomes: The complexity hypothesis
157. The origin of chordates: A methodological essay
158. Polymorphic transition in bacterial flagella
159. Conversion of DNA gyrase into a conventional type II topoisomerase
160. Origin of H1 linker histones
161. Atmospheric evolution: The rise of oxygen
162. Archaea: Narrowing the gap between prokaryotes and eukaryotes
163. Origins of microsporidia
164. Evolutionary relationship between translation initiation factor eIF-2 gamma and selenocysteine-specific elongation factor SELB: Change of function in translation factors
165. Evidence from beta-tubulin phylogeny that microsporidia evolved from within the fungi
166. Crystal structures of eukaryotic translation initiation factor 5A from Methanococcus jannaschii at 1.8 Å resolution
167. Non-Darwinian evolution
168. Paleoproterozoic snowball earth: Extreme climatic and geochemical global change and its biological consequences
169. DNA-dependent RNA polymerase subunit B as a tool for phylogenetic reconstructions: Branching topology of the archaeal domain
170. The complete genome sequence of the hyperthermophilic, sulphate-reducing archaeon Archaeoglobus fulgidus
171. RNA polymerase of Aquifex pyrophilus: Implications for the evolution of the bacterial rpoBC operon and extremely thermophilic bacteria
172. The early evolution of eukaryotes: A geological perspective
173. Steroids from the myxobacterium Nannocystis exedens
174. Determining the relative rates of change for prokaryotic and eukaryotic proteins with anciently duplicated paralogs
175. Three-dimensional structure of the beta subunit of E. coli DNA polymerase III holoenzyme: A sliding DNA clamp
176. Comparison of archaeal and bacterial genomes: Computer analysis of protein sequences predicts novel functions and suggests a chimeric origin for the archaea
177. Prediction of the archaeal exosome and its connections with the proteasome and the translation and transcription machineries by a comparative-genomic approach
178. The role of posttranscriptional modification in stabilization of transfer RNA from hyperthermophiles
179. Crystal structure of the eukaryotic DNA polymerase processivity factor PCNA
180. Archaeal and bacterial hyperthermophiles: Horizontal gene exchange or common ancestry?
181. Universally conserved translation initiation factors
182. Archaeal translation initiation revisited: The initiation factor 2 and eukaryotic initiation factor 2B alpha-beta-delta subunit families
183. The evolutionary history of carbamoyltransferases: A complex set of paralogous genes was already present in the last universal common ancestor
184. Origin of the eukaryotic nucleus determined by rate-invariant analysis of rRNA sequences
185. A sterol biosynthetic pathway in Mycobacterium
186. Evolution of the Glx-tRNA synthetase family: The glutaminyl enzyme as a case of horizontal gene transfer
187. Unexpected abundance of self-splicing introns in the genome of bacteriophage Twort: Introns in multiple genes, a single gene with three introns, and exon skipping by group I ribozymes
188. Sulfated dolicholphosphate oligosaccharides are transiently methylated during biosynthesis of halobacterial glycoproteins
189. Molecular clock calibrations and metazoan divergence dates
190. Universal conservation in translation initiation revealed by human and archaeal homologs of bacterial translation initiation factor IF2
191. Did DNA replication evolve twice independently?
192. Protein folding: Versatility of the cytosolic chaperonin TRiC/CCT
193. The stability of the RNA bases: Implications for the origin of life
194. Spirochete periplasmic flagella and motility
195. Low temperature regulated DEAD-box RNA helicase from the Antarctic archaeon, Methanococcoides burtonii
196. Eukaryotic type II chaperonin CCT interacts with actin through specific subunits
197. 3D reconstruction of the ATP-bound form of CCT reveals the asymmetric folding conformation of a type II chaperonin
198. The recent origins of spliceosomal introns revisited
199. Thermotoga heats up lateral gene transfer
200. The root of the tree of life in the light of the covarion model
201. DNA supercoiling and temperature adaptation: A clue to early diversification of life?
202. L'Evolution Physiologique: Étude des Pertes de Fonctions chez les Microorganismes
203. Mergers and acquisitions: Malaria and the great chloroplast heist
204. The world's oldest foraminiferans
205. The nucleomorph genomes of cryptophytes and chlorarachniophytes
206. Five kingdom classification and the origin and evolution of cells
207. Mosaic bacterial chromosomes: A challenge en route to a tree of genomes
208. The hydrogen hypothesis for the first eukaryote
209. Elongation arrest is a physiologically important function of signal recognition particle
210. Archaeal proteasomes: Proteolytic nanocompartments of the cell
211. Two empires or three?
212. 13C contents of organic components in the photoautotrophic bacterium Chloroflexus aurantiacus
213. SBP, SECIS binding protein, binds to the RNA fragment upstream of the Sec UGA codon in glutathione peroxidase mRNA
214. Plasmid and chromosome segregation in prokaryotes
215. Symbiosis between methanogenic archaea and δ-proteobacteria as the origin of eukaryotes: The syntrophic hypothesis
216. The origin of red algae and the evolution of chloroplasts
217. Bacterial mode of replication with eukaryotic-like machinery in a hyperthermophilic archaeon
218. A novel member of the Bacterial-Archaeal regulator family is a nonspecific DNA-binding protein and induces positive supercoiling
219. Evidence for lateral gene transfer between Archaea and Bacteria from genome sequence of Thermotoga maritima
220. Peptide nucleic acids rather than RNA may have been the first genetic molecule
221. Phylogenetic analysis of two 'archaeal' genes in Thermotoga maritima reveal multiple transfers between archaea and bacteria
222. Eubacterial origin of nuclear genes for chloroplast and cytosolic glucose-6-phosphate isomerase from spinach: Sampling eubacterial gene diversity in eukaryotic chromosomes through symbiosis
223. Eight of fourteen gvp genes are sufficient for formation of gas vesicles in halophilic archaea
224. Horizontal transfer of archaeal genes into the Deinococcaceae: Detection by molecular and computer-based approaches
225. Phylogeny of the Bangiophycidae (Rhodophyta) and the secondary endo-symbiotic origin of algal plastids
226. Evolution of reaction centers in photosynthetic prokaryotes
227. Homologs of small nucleolar RNAs in Archaea
228. The origin of life - A review of facts and speculations
229. Heliobacterium fasciatum gen. nov. sp. nov. and Heliobacterium gestii sp. nov.: Endosporeforming heliobacteria from rice field soils
230. Analysis of base-pairing potentials between 16S rRNA and 5′ UTR for translation initiation in various prokaryotes
231. Origin of life - Facing up to the physical setting
232. Ribosomal RNA phylogeny and the primary lines of evolutionary descent
233. Extracting species trees from complex gene trees: Reconciled trees and vertebrate phylogeny
234. Dynamic evolution of plant mitochondrial genomes: Mobile genes and introns and highly variable mutation rates
235. Rhodobacter capsulatus genes encoding form I ribulose-1,5-bisphosphate carboxylase/oxygenase (cbbLS) and neighbouring genes were acquired by a horizontal gene transfer
236. Origin and evolution of group I introns in cyanobacterial tRNA genes
237. Sporadic distribution of tRNA(Arg)CCU introns among alpha-purple bacteria: Evidence for horizontal transmission and transposition of a group I intron
238. Extreme differences in rates of molecular evolution of foraminifera revealed by comparison of ribosomal DNA sequences and the fossil record
239. The molecular phylogeny of Eukaryota: Solid facts and uncertainties
240. The rooting of the universal tree of life is not reliable
241. Characterization of a novel lipid A containing D-galacturonic acid that replaces phosphate residues. The structure of the lipid A of the lipopolysaccharide from the hyperthermophilic bacterium Aquifex pyrophilus
242. Early evolution: Prokaryotes, the new kids on the block
243. The zinc-finger domain of the archaeal MCM protein is required for helicase activity
244. Testate amoebae in the Neoproterozoic era: Evidence from vase-shaped microfossils in the Chuar group, Grand Canyon
245. A psychrophilic crenarchaeon inhabits a marine sponge: Cenarchaeum symbiosum gen. nov., sp. nov
246. Chaperonins
247. Filamentous microfossils in a 3,235-million-year-old volcanogenic massive sulphide deposit
248. Genes for breakfast: The have-your-cake-and-eat-it-too of bacterial transformation
249. Archaeal histones, nucleosomes, and transcription initiation
250. Microbiology of ancient and modern hydrothermal systems
251. Evidence that eukaryotes and eocyte prokaryotes are immediate relatives
252. Genomic evidence for two functionally distinct gene classes
253. The hyperthermophile chromosomal protein Sac7d sharply kinks DNA
254. Reconstructing early events in eukaryotic evolution
255. Introns, the broken transposons
256. Non-specific lanosterol and hopanoid biosynthesis by a cell-free system from the bacterium Methylococcus capsulatus
257. 13C-Depleted carbon microparticles in > 3700-Ma sea-floor sedimentary rocks from west Greenland
258. Proteasome function is dispensable under normal but not under heat shock conditions in Thermoplasma acidophilum
259. The genome sequence of the thermoacidophilic scavenger Thermoplasma acidophilum
260. Computer analyses of complete genomes suggest that some archaebacteria employ both eukaryotic and eubacterial mechanisms in translation initiation
261. YidC mediates membrane protein insertion in bacteria
262. Origin of the eukaryotic nucleus
263. S-Layer proteins
264. Carbon isotopes as biogeochemical recorders of life over 3.8 Ga of earth history: Evolution of a concept
265. Paleobiology of the Archaea
266. Microfossils of the Early Archaean Apex chert: New evidence of the antiquity of life
267. Disparate rates, differing fates: Tempo and mode of evolution changed from the Precambrian to the Phanerozoic
268. Archaean microfossils: New evidence of ancient microbes
269. Early evolution of cytochrome bc complexes
270. tRNA genes of Streptomyces lividans: New sequences and comparison of structure and organization with those of other bacteria
271. Isotopic evidence for microbial sulphate reduction in the early Archaean era
272. Structure of the molecular chaperone prefoldin: Unique interaction of multiple coiled coil tentacles with unfolded proteins
273. Sno storm in the nucleolus: New roles for myriad small RNPs
274. The evolution of Prokaryotes
275. Proteobacteria classis nov., a name for the phylogenetic taxon that includes the "purple bacteria and their relatives"
276. Some aspects of the biology of cells and their possible evolutionary significance
277. The Cyanobacteria
278. Phototrophic prokaryotes: The cyanobacteria
279. The concept of a bacterium
280. Long-branch attraction and the rDNA model of early eukaryotic evolution
281. Amitochondriate amoebae and the evolution of DNA-dependent RNA polymerase II
282. Intron 'sliding' and the diversity of intron positions
283. The carbon-isotopic record
284. Making membranes in bacteria
285. Principles of molecular and isotopic biogeochemistry
286. A bacterial calcium-binding protein homologous to calmodulin
287. The major carotenoid in all known species of heliobacteria is the C30 carotenoid 4,4′-diaponeurosporene, not neurosporene
288. Is there a phylogenetic signal in prokaryote proteins?
289. Mutators, population size, adaptive landscape and the adaptation of asexual populations of bacteria
290. Essai de classification des Nostochinées
291. Signal peptide-dependent protein transport in Bacillus subtilis: A genome-based survey of the secretome
292. Investigating deep phylogenetic relationships among cyano-bacteria and plastids by small subunit rRNA sequence analysis
293. On the mechanism of autotrophic fixation of carbon dioxide by Chloroflexus aurantiacus
294. Microsporidia: Accumulating molecular evidence that a group of amito-chondriate and suspectedly primitive eukaryotes are just curious fungi
295. The archaebacteria and eukaryotic origins
296. Ribosomal RNA sequence suggests microsporidia are extremely ancient eukaryotes
297. Filamentous microfossils from the 3,500-M-yr-old Onverwacht Group, Barberton Mountain Land, South Africa
298. SRP - Where the RNA and membrane worlds meet
299. Comparative phylogenetic analyses of members of the order Planctomycetales and the division Verrucomicrobia: 23S rRNA gene sequence analysis supports the 16S rRNA gene sequence-derived phylogeny
300. Evolutionary appearance of genes encoding proteins associated with box H/ACA snoRNAs: cbf5p in Euglena gracilis, an early diverging eukaryote, and candidate Gar1p and Nop10p homologs in archaebacteria
301. Early Archaean fossil bacteria and biofilms in hydrothermally-influenced sediments from the Barberton greenstone belt, South Africa
302. Archaebacteria and cellular origins: An overview
303. Bacterial evolution
304. There must be a prokaryote somewhere: Microbiology's search for itself
305. The universal ancestor
306. Interpreting the universal phylogenetic tree
307. Phylogenetic structure of the prokaryotic domain: The primary kingdoms
308. Are archaebacteria merely derived 'prokaryotes'?
309. Towards a natural system of organisms: Proposal for the domains Archaea, Bacteria, and Eucarya
310. Aminoacyl-tRNA synthetases, the genetic code, and the evolutionary process
311. Evolution of aminoacyl-tRNA synthetases-analysis of unique domain architectures and phylogenetic trees reveals a complex history of horizontal gene transfer events
312. Symbiosis-specific expression of Rhizobium etli casA encoding a secreted calmodulin-related protein
313. Tracking molecular evolution of photosynthesis by characterization of a major photosynthesis gene cluster from Heliobacillus mobilis
314. Molecular evidence for the early evolution of photosynthesis
315. An abundant DNA binding protein from the hyperthermophilic archaeon Sulfolobus shibatae affects DNA supercoiling in a temperature-dependent fashion
316. Chloroplast protein and centrosomal genes, a tRNA intron, and odd telomeres in an unusually compact eukaryotic genome, the cryptomonad nucleomorph
317. Single gene circles in dinoflagellate chloroplast genomes
318. Phylogeny of ultra-rapidly evolving dinoflagellate chloroplast genes: A possible common origin for sporozoan and dinoflagellate plastids
319. Dolichyl-phosphomannose synthase from the archae Thermoplasma acidophilum