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INTRODUCTION

Jody Hey, Walter M. Fitch, and Francisco J. Ayala

Systematics and the origin of species: An introduction
PNAS 2005 102: 6515-6519; published online before print April 25 2005, 10.1073/pnas.0501939102 [Extract] [Full Text] [PDF]  

COLLOQUIUM PAPERS

H. Allen Orr

The genetic basis of reproductive isolation: Insights from Drosophila
PNAS 2005 102: 6522-6526; published online before print April 25 2005, 10.1073/pnas.0501893102 [Abstract] [Full Text] [Figures Only] [PDF]  

William R. Rice, Jodell E. Linder, Urban Friberg, Timothy A. Lew, Edward H. Morrow, and Andrew D. Stewart

Inter-locus antagonistic coevolution as an engine of speciation: Assessment with hemiclonal analysis
PNAS 2005 102: 6527-6534; published online before print April 25 2005, 10.1073/pnas.0501889102 [Abstract] [Full Text] [Figures Only] [PDF]  

Francisco J. Ayala and Mario Coluzzi

Chromosome speciation: Humans, Drosophila, and mosquitoes
PNAS 2005 102: 6535-6542; published online before print April 25 2005, 10.1073/pnas.0501847102 [Abstract] [Full Text] [Figures Only] [PDF]  

Mary Jane West-Eberhard

Developmental plasticity and the origin of species differences
PNAS 2005 102: 6543-6549; published online before print April 25 2005, 10.1073/pnas.0501844102 [Abstract] [Full Text] [PDF]  

Scott V. Edwards, Sarah B. Kingan, Jennifer D. Calkins, Christopher N. Balakrishnan, W. Bryan Jennings, Willie J. Swanson, and Michael D. Sorenson

Speciation in birds: Genes, geography, and sexual selection
PNAS 2005 102: 6550-6557; published online before print April 25 2005, 10.1073/pnas.0501846102 [Abstract] [Full Text] [Figures Only] [PDF]  

Carlos A. Machado, Nancy Robbins, M. Thomas P. Gilbert, and Edward Allen Herre

Critical review of host specificity and its coevolutionary implications in the fig/fig-wasp mutualism
PNAS 2005 102: 6558-6565; published online before print April 25 2005, 10.1073/pnas.0501840102 [Abstract] [Full Text] [Figures Only] [PDF]  

Stephen R. Palumbi and H. A. Lessios

Evolutionary animation: How do molecular phylogenies compare to Mayr's reconstruction of speciation patterns in the sea?
PNAS 2005 102: 6566-6572; published online before print April 25 2005, 10.1073/pnas.0501806102 [Abstract] [Full Text] [Figures Only] [PDF]  

Jeffrey L. Feder, Xianfa Xie, Juan Rull, Sebastian Velez, Andrew Forbes, Brian Leung, Hattie Dambroski, Kenneth E. Filchak, and Martin Aluja

Mayr, Dobzhansky, and Bush and the complexities of sympatric speciation in Rhagoletis
PNAS 2005 102: 6573-6580; published online before print April 25 2005, 10.1073/pnas.0502099102 [Abstract] [Full Text] [Figures Only] [PDF] [Supporting Figures]  

Yong-Jin Won, Arjun Sivasundar, Yong Wang, and Jody Hey

On the origin of Lake Malawi cichlid species: A population genetic analysis of divergence
PNAS 2005 102: 6581-6586; published online before print April 25 2005, 10.1073/pnas.0502127102 [Abstract] [Full Text] [Figures Only] [PDF] [Supporting Tables]  

Anne D. Yoder, Link E. Olson, Carol Hanley, Kellie L. Heckman, Rodin Rasoloarison, Amy L. Russell, Julie Ranivo, Voahangy Soarimalala, K. Praveen Karanth, Achille P. Raselimanana, and Steven M. Goodman

A multidimensional approach for detecting species patterns in Malagasy vertebrates
PNAS 2005 102: 6587-6594; published online before print April 25 2005, 10.1073/pnas.0502092102 [Abstract] [Full Text] [Figures Only] [PDF]  

Howard Ochman, Emmanuelle Lerat, and Vincent Daubin

Examining bacterial species under the specter of gene transfer and exchange
PNAS 2005 102: 6595-6599; published online before print April 25 2005, 10.1073/pnas.0502035102 [Abstract] [Full Text] [Figures Only] [PDF]  

Kevin de Queiroz

Ernst Mayr and the modern concept of species
PNAS 2005 102: 6600-6607; published online before print April 25 2005, 10.1073/pnas.0502030102 [Abstract] [Full Text] [Figures Only] [PDF]  

Anne B. Simonson, Jacqueline A. Servin, Ryan G. Skophammer, Craig W. Herbold, Maria C. Rivera, and James A. Lake

Decoding the genomic tree of life
PNAS 2005 102: 6608-6613; published online before print April 25 2005, 10.1073/pnas.0501996102 [Abstract] [Full Text] [Figures Only] [PDF]  

Stuart J. Macdonald and Anthony D. Long

Prospects for identifying functional variation across the genome
PNAS 2005 102: 6614-6621; published online before print April 25 2005, 10.1073/pnas.0501990102 [Abstract] [Full Text] [Figures Only] [PDF] [Supporting Information]  

Trudy F. C. Mackay, Stefanie L. Heinsohn, Richard F. Lyman, Amanda J. Moehring, Theodore J. Morgan, and Stephanie M. Rollmann

Genetics and genomics of Drosophila mating behavior
PNAS 2005 102: 6622-6629; published online before print April 25 2005, 10.1073/pnas.0501986102 [Abstract] [Full Text] [Figures Only] [PDF] [Supporting Tables]  

Mónica Medina

Genomes, phylogeny, and evolutionary systems biology
PNAS 2005 102: 6630-6635; published online before print April 25 2005, 10.1073/pnas.0501984102 [Abstract] [Full Text] [Figures Only] [PDF]  

PERSPECTIVES

Edward O. Wilson

Systematics and the future of biology
PNAS 2005 102: 6520-6521; published online before print April 25 2005, 10.1073/pnas.0501936102 [Extract] [Full Text] [PDF]