BMC Evolutionary Biology - Volume 11, issue Preprint

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Electronic ISSN
1471-2148

Abstract

Background

The fossil record has suggested that clade growth may differ in marine and terrestrial taxa, supporting equilibrial models in the former and expansionist models in the latter. However, incomplete sampling may bias findings based on fossil data alone. To attempt to correct for such bias,

Journal: BMC Evolutionary Biology, vol. 11, no. Preprint, 2011

Abstract

Background

The taxonomy and systematic relationships among species of Solanum section Petota are complicated and the section seems overclassified. Many of the presumed (sub)species from South America are very similar and they are able to exchange genetic material. We applied a popula

Journal: BMC Evolutionary Biology, vol. 11, no. Preprint, 2011

Abstract

Background

Lysozyme c (chicken-type lysozyme) has an important role in host defense, and has been extensively studied as a model in molecular biology, enzymology, protein chemistry, and crystallography. Traditionally, lysozyme c has been considered to be part of a small family that i

Journal: BMC Evolutionary Biology, vol. 11, no. Preprint, 2011

Abstract

Background

Understanding causes of biological diversity may be greatly enhanced by knowledge of divergence times. Strict and relaxed clock models are used in Bayesian estimation of divergence times. We examined whether: i) strict clock models are generally more appropriate in shallow phylogenies w

Journal: BMC Evolutionary Biology, vol. 11, no. Preprint, 2011

Abstract

Background

The major islands of the Western Mediterranean--Corsica, Sardinia, and the Balearic Islands--are continental terrenes that drifted towards their present day location following a retreat from their original position on the eastern Iberian Peninsula about 30 million years ago. Several stu

Journal: BMC Evolutionary Biology, vol. 11, no. Preprint, 2011

Abstract

Background

Understanding the fitness consequences of inbreeding is of major importance for evolutionary and conservation biology. However, there are few studies using pedigree-based estimates of inbreeding or investigating the influence of environment and age variation on inbreeding depression in

Journal: BMC Evolutionary Biology, vol. 11, no. Preprint, 2011

Abstract

Background

The last universal common ancestor represents the primordial cellular organism from which diversified life was derived. This urancestor accumulated genetic information before the rise of organismal lineages and is considered to be either a simple 'progenote' organism with a rudimentary

Journal: BMC Evolutionary Biology, vol. 11, no. Preprint, 2011

Abstract

Background

The division of reproductive labor among group members in insect societies is regulated by "queen pheromones". However, it remains controversial whether these are manipulative, i.e., actively suppress worker reproduction, or honestly signal the fertility status of the queen to which wor

Journal: BMC Evolutionary Biology, vol. 11, no. Preprint, 2011

Abstract

Background

The Iberian Peninsula is recognized as an important refugial area for species survival and diversification during the climatic cycles of the Quaternary. Recent phylogeographic studies have revealed Iberia as a complex of multiple refugia. However, most of these studies have focused eith

Journal: BMC Evolutionary Biology, vol. 11, no. Preprint, 2011

Abstract

Background

Gene clusters containing multiple similar genomic regions in close proximity are of great interest for biomedical studies because of their associations with inherited diseases. However, such regions are difficult to analyze due to their structural complexity and their complicated evolut

Journal: BMC Evolutionary Biology, vol. 11, no. Preprint, 2011