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  1. Models of the maintenance of sex predict that one reproductive strategy, sexual or parthenogenetic, should outcompete the other. Distribution patterns may reflect the outcome of this competition as well as the...

    Authors: Norbert Pongratz, Martin Storhas, Salvador Carranza and Nicolaas K Michiels
    Citation: BMC Evolutionary Biology 2003 3:23
    Content type: Research article Published on:

  2. Analytical methods have been proposed to determine whether there are evolutionarily stable strategies (ESS) for a trait of ecological significance, or whether there is disruptive selection in a population appr...

    Authors: Émile Ajar
    Citation: BMC Evolutionary Biology 2003 3:22
    Content type: Research article Published on:

  3. Several studies have suggested that proteins that interact with more partners evolve more slowly. The strength and validity of this association has been called into question. Here we investigate how biases in ...

    Authors: Jesse D Bloom and Christoph Adami
    Citation: BMC Evolutionary Biology 2003 3:21
    Content type: Research article Published on:

  4. Drosophila nasuta nasuta (2n = 8) and Drosophila nasuta albomicans (2n = 6) are a pair of sibling allopatric chromosomal cross-fertile races of the nasuta subgroup of immigrans species group of Drosophila. Interr...

    Authors: Ballagere P Harini and Nallur B Ramachandra
    Citation: BMC Evolutionary Biology 2003 3:20
    Content type: Research article Published on:

  5. The binding sites of sequence specific transcription factors are an important and relatively well-understood class of functional non-coding DNAs. Although a wide variety of experimental and computational metho...

    Authors: Alan M Moses, Derek Y Chiang, Manolis Kellis, Eric S Lander and Michael B Eisen
    Citation: BMC Evolutionary Biology 2003 3:19
    Content type: Research article Published on:

  6. The ars gene system provides arsenic resistance for a variety of microorganisms and can be chromosomal or plasmid-borne. The arsC gene, which codes for an arsenate reductase is essential for arsenate resistance a...

    Authors: Colin R Jackson and Sandra L Dugas
    Citation: BMC Evolutionary Biology 2003 3:18
    Content type: Research article Published on:

  7. Dof proteins are a family of plant-specific transcription factors that contain a particular class of zinc-finger DNA-binding domain. Members of this family have been found to play diverse roles in gene regulat...

    Authors: Diego Lijavetzky, Pilar Carbonero and Jesús Vicente-Carbajosa
    Citation: BMC Evolutionary Biology 2003 3:17
    Content type: Research article Published on:

  8. Phylogenetic hypotheses of higher-level relationships in the order Charadriiformes based on morphological data, partly disagree with those based on DNA-DNA hybridisation data. So far, these relationships have ...

    Authors: Per GP Ericson, Ida Envall, Martin Irestedt and Janette A Norman
    Citation: BMC Evolutionary Biology 2003 3:16
    Content type: Research article Published on:

  9. Genomic imprinting refers to the differential expression of genes inherited from the mother and father (matrigenes and patrigenes). The kinship theory of genomic imprinting treats parent-specific gene expressi...

    Authors: David C Queller
    Citation: BMC Evolutionary Biology 2003 3:15
    Content type: Research article Published on:

  10. Lateral gene transfer can introduce genes with novel functions into genomes or replace genes with functionally similar orthologs or paralogs. Here we present a study of the occurrence of the latter gene replac...

    Authors: Jan O Andersson and Andrew J Roger
    Citation: BMC Evolutionary Biology 2003 3:14
    Content type: Research article Published on:

  12. A key event in the origin of life on this planet has been formation of self-replicating RNA-type molecules, which were complex enough to undergo a Darwinian-type evolution (origin of the "RNA world"). However,...

    Authors: Armen Y Mulkidjanian, Dmitry A Cherepanov and Michael Y Galperin
    Citation: BMC Evolutionary Biology 2003 3:12
    Content type: Research article Published on:

  14. Swarm-founding epiponine wasps are an intriguing group of social insects in which colonies are polygynic (several queens share reproduction) and differentiation between castes is often not obvious. However, ca...

    Authors: Mário V Baio, Fernando B Noll and Ronaldo Zucchi
    Citation: BMC Evolutionary Biology 2003 3:10
    Content type: Research article Published on:

  15. Aminoadipate reductase (Lys2) is a fungal-specific protein. This enzyme contains an adenylating domain. A similar primary structure can be found in some bacterial antibiotic/peptide synthetases. In this study,...

    Authors: Kwang-Deuk An, Hiromi Nishida, Yoshiharu Miura and Akira Yokota
    Citation: BMC Evolutionary Biology 2003 3:9
    Content type: Research article Published on:

  16. The study of organisms with restricted dispersal abilities and presence in the fossil record is particularly adequate to understand the impact of climate changes on the distribution and genetic structure of sp...

    Authors: Markus Pfenninger, David Posada and Frédéric Magnin
    Citation: BMC Evolutionary Biology 2003 3:8
    Content type: Research article Published on:

  20. Runx genes encode proteins defined by the highly conserved Runt DNA-binding domain. Studies of Runx genes and proteins in model organisms indicate that they are key transcriptional regulators of animal develop...

    Authors: Jessica Rennert, James A Coffman, Arcady R Mushegian and Anthony J Robertson
    Citation: BMC Evolutionary Biology 2003 3:4
    Content type: Research article Published on:

  21. The rate at which fitness declines as an organism's genome accumulates random mutations is an important variable in several evolutionary theories. At an intuitive level, it might seem natural that random mutat...

    Authors: Claus O Wilke, Richard E Lenski and Christoph Adami
    Citation: BMC Evolutionary Biology 2003 3:3
    Content type: Research article Published on:

  22. Comparative analysis of sequenced genomes reveals numerous instances of apparent horizontal gene transfer (HGT), at least in prokaryotes, and indicates that lineage-specific gene loss might have been even more...

    Authors: Boris G Mirkin, Trevor I Fenner, Michael Y Galperin and Eugene V Koonin
    Citation: BMC Evolutionary Biology 2003 3:2
    Content type: Research article Published on:

  23. It has been suggested that rates of protein evolution are influenced, to a great extent, by the proportion of amino acid residues that are directly involved in protein function. In agreement with this hypothes...

    Authors: I King Jordan, Yuri I Wolf and Eugene V Koonin
    Citation: BMC Evolutionary Biology 2003 3:1
    Content type: Research article Published on:

    The Erratum to this article has been published in BMC Evolutionary Biology 2003 3:5

  24. In general, the length of a protein sequence is determined by its function and the wide variance in the lengths of an organism's proteins reflects the diversity of specific functional roles for these proteins....

    Authors: David J Lipman, Alexander Souvorov, Eugene V Koonin, Anna R Panchenko and Tatiana A Tatusova
    Citation: BMC Evolutionary Biology 2002 2:20
    Content type: Research article Published on:

  25. Experimental populations of Escherichia coli have evolved for 20,000 generations in a uniform environment. Their rate of improvement, as measured in competitions with the ancestor in that environment, has decline...

    Authors: J Arjan GM de Visser and Richard E Lenski
    Citation: BMC Evolutionary Biology 2002 2:19
    Content type: Research article Published on:

  26. Power distributions appear in numerous biological, physical and other contexts, which appear to be fundamentally different. In biology, power laws have been claimed to describe the distributions of the connect...

    Authors: Georgy P Karev, Yuri I Wolf, Andrey Y Rzhetsky, Faina S Berezovskaya and Eugene V Koonin
    Citation: BMC Evolutionary Biology 2002 2:18
    Content type: Research article Published on:

  27. Subtribe Artemisiinae of Tribe Anthemideae (Asteraceae) is composed of 18 largely Asian genera that include the sagebrushes and mugworts. The subtribe includes the large cosmopolitan, wind-pollinated genus Artemi...

    Authors: Linda E Watson, Paul L Bates, Timothy M Evans, Matthew M Unwin and James R Estes
    Citation: BMC Evolutionary Biology 2002 2:17
    Content type: Research article Published on:

  29. The Prisoner's Dilemma (PD) is a widely used paradigm to study cooperation in evolutionary biology, as well as in fields as diverse as moral philosophy, sociology, economics and politics. Players are typically...

    Authors: Dominic DP Johnson, Pavel Stopka and Josh Bell
    Citation: BMC Evolutionary Biology 2002 2:15
    Content type: Research article Published on:

  31. Little is known about phytoplankton communities inhabiting low pH environments such as volcanic and geothermal sites or acidic waters. Only specialised organisms are able to tolerate such extreme conditions. T...

    Authors: Volker AR Huss, Claudia Ciniglia, Paola Cennamo, Salvatore Cozzolino, Gabriele Pinto and Antonino Pollio
    Citation: BMC Evolutionary Biology 2002 2:13
    Content type: Research article Published on:

  36. Pyridine-2,6-bis(thiocarboxylic acid) (pdtc) is a small secreted metabolite that has a high affinity for transition metals, increases iron uptake efficiency by 20% in Pseudomonas stutzeri, has the ability to redu...

    Authors: Marc S Cortese, Allan B Caplan and Ronald L Crawford
    Citation: BMC Evolutionary Biology 2002 2:8
    Content type: Research article Published on:

  37. The complete genomes of three animals have been sequenced by global research efforts: a nematode worm (Caenorhabditis elegans), an insect (Drosophila melanogaster), and a vertebrate (Homo sapiens). Remarkably, th...

    Authors: Jaime E Blair, Kazuho Ikeo, Takashi Gojobori and S Blair Hedges
    Citation: BMC Evolutionary Biology 2002 2:7
    Content type: Research article Published on:

  38. In fungi, aminoadipate reductase converts 2-aminoadipate to 2-aminoadipate 6-semialdehyde. However, other organisms have no homologue to the aminoadipate reductase gene and this pathway appears to be restricte...

    Authors: Kwang-Deuk An, Hiromi Nishida, Yoshiharu Miura and Akira Yokota
    Citation: BMC Evolutionary Biology 2002 2:6
    Content type: Research article Published on:

  39. The potential adaptive significance of transposable elements (TEs) to the host genomes in which they reside is a topic that has been hotly debated by molecular evolutionists for more than two decades. Recent g...

    Authors: Andrea M McCollum, Eric W Ganko, Paula A Barrass, Jose M Rodriguez and John F McDonald
    Citation: BMC Evolutionary Biology 2002 2:5
    Content type: Research article Published on:

  40. Phylogenetic relationships of the genus Hapalemur remains controversial, particularly within the Hapalemur griseus species group. In order to obtain more information on the taxonomic status within this genus, and...

    Authors: Jean-Luc Fausser, Prosper Prosper, Giuseppe Donati, Jean-Baptiste Ramanamanjato and Yves Rumpler
    Citation: BMC Evolutionary Biology 2002 2:4
    Content type: Research article Published on:

  42. Factors that affect flowering vary among different plant species, and in the grasses in particular the exact mechanism behind this transition is not fully understood. The brown midrib (bm) mutants of maize (Zea m...

    Authors: Wilfred Vermerris, Karen J Thompson, Lauren M McIntyre and John D Axtell
    Citation: BMC Evolutionary Biology 2002 2:2
    Content type: Research article Published on:

  44. Prior to this report, members of the inward rectifier family, or Kir, have been found only in eukaryotes. Like most K+ channels, the pore-forming part of the protein is formed by four identical, or closely relate...

    Authors: Stewart R Durell and H Robert Guy
    Citation: BMC Evolutionary Biology 2001 1:14
    Content type: Research article Published on:

  45. Any DNA sequence is a result of compromise between the selection and mutation pressures exerted on it during evolution. It is difficult to estimate the relative influence of each of these pressures on the rate...

    Authors: Maria Kowalczuk, Pawel Mackiewicz, Dorota Mackiewicz, Aleksandra Nowicka, Malgorzata Dudkiewicz, Miroslaw R Dudek and Stanislaw Cebrat
    Citation: BMC Evolutionary Biology 2001 1:13
    Content type: Research article Published on:

  47. Despite the medical importance of trichomoniasis, little is known about the genetic relatedness of Trichomonas vaginalis strains with similar biological characteristics. Furthermore, the distribution of endobiont...

    Authors: Vladimír Hampl, Štěpánka Vaňáčová, Jaroslav Kulda and Jaroslav Flegr
    Citation: BMC Evolutionary Biology 2001 1:11
    Content type: Research article Published on:

  48. Although closely related, the alpha-proteobacteria Wolbachia and the Rickettsiacae (Rickettsia and Ehrlichia), employ different evolutionary life history strategies. Wolbachia are obligate endocellular symbionts ...

    Authors: Cort L Anderson and Timothy L Karr
    Citation: BMC Evolutionary Biology 2001 1:10
    Content type: Research article Published on:

  49. Nuclear DNA sequences provide genetic information that complements studies using mitochondrial DNA. Some 'universal' primer sets have been developed that target introns within protein-coding loci, but many sim...

    Authors: Joseph M Quattro, William J Jones and Kenneth J Oswald
    Citation: BMC Evolutionary Biology 2001 1:9
    Content type: Methodology article Published on:

  50. The availability of multiple complete genome sequences from diverse taxa prompts the development of new phylogenetic approaches, which attempt to incorporate information derived from comparative analysis of co...

    Authors: Yuri I Wolf, Igor B Rogozin, Nick V Grishin, Roman L Tatusov and Eugene V Koonin
    Citation: BMC Evolutionary Biology 2001 1:8
    Content type: Research article Published on:

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