Imperial College London

ProfessorTimothyBarraclough

Faculty of Natural SciencesDepartment of Life Sciences (Silwood Park)

Professor of Evolutionary Biology
 
 
 
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Contact

 

+44 (0)20 7594 2247t.barraclough Website

 
 
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Location

 

N2.4Silwood ParkSilwood Park

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Summary

 

Publications

Publication Type
Year
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100 results found

Barraclough TG, Vogler AP, 2000, Detecting the geographical pattern of speciation from species-level phylogenies, AMERICAN NATURALIST, Vol: 155, Pages: 419-434, ISSN: 0003-0147

JOURNAL ARTICLE

Barraclough TG, Hogan JE, Vogler AP, 1999, Testing whether ecological factors promote cladogenesis in a group of tiger beetles (Coleoptera : Cicindelidae), PROCEEDINGS OF THE ROYAL SOCIETY B-BIOLOGICAL SCIENCES, Vol: 266, Pages: 1061-1067, ISSN: 0962-8452

JOURNAL ARTICLE

Barraclough TG, Barclay MVL, Vogler AP, 1998, Species richness: Does flower power explain beetle-mania?, CURRENT BIOLOGY, Vol: 8, Pages: R843-R845, ISSN: 0960-9822

JOURNAL ARTICLE

Barraclough TG, Nee S, Harvey PH, 1998, Sister-group analysis in identifying correlates of diversification - Comment, EVOLUTIONARY ECOLOGY, Vol: 12, Pages: 751-754, ISSN: 0269-7653

JOURNAL ARTICLE

Barraclough TG, Vogler AP, Harvey PH, 1998, Revealing the factors that promote speciation, PHILOSOPHICAL TRANSACTIONS OF THE ROYAL SOCIETY OF LONDON SERIES B-BIOLOGICAL SCIENCES, Vol: 353, Pages: 241-249, ISSN: 0962-8436

JOURNAL ARTICLE

Degen AA, Kam M, Khokhlova IS, Krasnov BR, Barraclough TGet al., 1998, Average daily metabolic rate of rodents: habitat and dietary comparisons, FUNCTIONAL ECOLOGY, Vol: 12, Pages: 63-73, ISSN: 0269-8463

JOURNAL ARTICLE

Vogler AP, Welsh A, Barraclough TG, 1998, Molecular phylogeny of the Cicindela maritima (Coleoptera : Cicindelidae) group indicates fast radiation in western North America, ANNALS OF THE ENTOMOLOGICAL SOCIETY OF AMERICA, Vol: 91, Pages: 185-194, ISSN: 0013-8746

JOURNAL ARTICLE

Barraclough TG, Harvey PH, Nee S, 1996, Rate of rbcL gene sequence evolution and species diversification in flowering plants (angiosperms), PROCEEDINGS OF THE ROYAL SOCIETY B-BIOLOGICAL SCIENCES, Vol: 263, Pages: 589-591, ISSN: 0962-8452

JOURNAL ARTICLE

BARRACLOUGH TG, HARVEY PH, NEE S, 1995, SEXUAL SELECTION AND TAXONOMIC DIVERSITY IN PASSERINE BIRDS, PROCEEDINGS OF THE ROYAL SOCIETY B-BIOLOGICAL SCIENCES, Vol: 259, Pages: 211-215, ISSN: 0962-8452

JOURNAL ARTICLE

Barraclough TG, Nowell R, Wilson C, Smith Tet al., Comparative genomics of bdelloid rotifers: insights from desiccating and nondesiccating species, PLoS Biology, ISSN: 1544-9173

Bdelloid rotifers are a Class of microscopic invertebrates that have existed for millions of years apparently without sex or meiosis. They inhabit a variety of temporary and permanent freshwater habitats globally, and many species are remarkably tolerant of desiccation. Bdelloids offer an opportunity to better understand the evolution of sex and recombination, but previous work has emphasized desiccation as the cause of several unusual genomic features in this group. Here, we present high-quality whole genome sequences of three bdelloid species: Rotaria macrura and Rotaria magnacalcarata, which are both desiccation intolerant, and Adineta ricciae, which is desiccationtolerant. In combination with the published assembly of Adineta vaga, which is also desiccation tolerant, we apply a comparative genomics approach to evaluate the potential effects of desiccation tolerance and asexuality on genome evolution in bdelloids. We find that ancestral tetraploidy is conserved among all four bdelloid species, but homologous divergence in obligately aquatic Rotaria genomes is unexpectedly low. This finding is contrary to current models regarding the role of desiccation in shaping bdelloid genomes. In addition, we find that homologous regions in A. ricciaeare largely collinear and do not form palindromic repeats as observed in the published A. vaga assembly. Consequently, several features interpreted as genomic evidence for long-term ameiotic evolution are not general to all bdelloid species, even within the same genus. Finally, we substantiate previous 50 findings of high levels of horizontally transferred non-metazoan genes in both desiccating and non-desiccating bdelloid species, and show that this unusual feature is not shared by other animal phyla, even those with desiccation-tolerant representatives. These comparisons call

JOURNAL ARTICLE

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