Moran Laboratory: Publications

Moran Laboratory: Publications

Click on highlighted text (author names) to go to PubMed or other online source for the article or abstract.
Last updated 22 October 2009.

Scientific Publications

Degnan, P. H., T. E. Leonardo, B. N. Cass, B. Hurwitz, D. Stern, R. A. Gibbs, S. Richards, N. A. Moran. 2009. Dynamics of genome evolution in facultative symbionts of aphids. Environmental Microbiology 2009 Oct 16. [Epub ahead of print]

Peccoud, J., J. C. Simon, H. J. McLaughlin, N. A. Moran. 2009. Post-Pleistocene radiation of the pea aphid complex revealed by rapidly evolving endosymbionts. Proceedings of the National Academy of Sciences USA 106: 16315-16320.

Oliver, K. M., P. H. Degnan, G. R. Burke, N. A. Moran. 2009. Facultative symbionts of aphids and the horizontal transfer of ecologically important traits. Annual Review of Entomology 2009 Sep 3. [Epub ahead of print]

McCutcheon, J. P., B. R. McDonald, N. A. Moran. 2009. Convergent evolution of metabolic roles in bacterial co-symbionts of insects. Proceedings of the National Academy of Sciences USA 106: 15394-15399.

Oliver, K. M., P. H. Degnan, M. S. Hunter, and N. A. Moran. 2009. Bacteriophages encode factors required for protection in a symbiotic mutualism. Science 325: 992-994.

Nováková, E., V. Hypsa, and N. A. Moran. 2009. Arsenophonus, an emerging clade of intracellular symbionts with a broad host distribution. BMC Microbiology 9: 143.

McCutcheon, J. P., B. R. McDonald, N. A. Moran. 2009. Origin of an alternative genetic code in the extremely small and GC-rich genome of a bacterial symbiont. PLoS Genetics 5: e1000565.

Burke, G. R., B. B. Normark, C. Favret, N. A. Moran. 2009. Evolution and diversity of facultative symbionts from the aphid subfamily Lachninae. Applied Environmental Microbiology 75: 5328-35.

Kuo, C. H., N. A. Moran, and H. Ochman. 2009. The consequences of genetic drift for bacterial genome complexity. Genome Research 19: 1450-4.

Watts, T., Haselkorn, T. S., N. A. Moran, T. A. Markow. 2009. Variable incidence of Spiroplasma infections in natural populations of Drosophila species. PLoS One 4: e5703.

Degnan, P. H., Y. Yu, N. Sisneros, R.A. Wing, and N.A. Moran. 2009. Hamiltonella defensa, genome evolution of protective bacterial endosymbiont from pathogenic ancestors. Proceedings of the National Academy of Sciences USA 106: 9063-9068.

Harmon, J. P., N. A. Moran, and A. R. Ives. 2009. Species response to environmental change: impacts of food web interactions and evolution. Science 323(5919): 1347-50.

Haselkorn, T. S., T. A. Markow, and N. A. Moran. 2009. Multiple introductions of the Spiroplasma bacterial endosymbiont into Drosophila. Molecular Ecology 18(6): 1294-305.

Moran, N. A., H. J. McLaughlin, and R. Sorek. 2009. The dynamics and time scale of ongoing genomic erosion in symbiotic bacteria. Science. 323: 379-382 Full text

Moran, N. A., J. P. McCutcheon, and A. Nakabachi. 2008. Genomics and evolution of heritable bacterial symbionts. Annual Review of Genetics 42: 165-190

Degnan, P. H. and N. A. Moran. 2008. Diverse phage-encoded toxins in a protective insect endosymbiont. Applied Environmental Microbiology 74(21): 6782-91

Degnan, P. H. and N. A. Moran. 2008. Evolutionary genetics of a defensive facultative symbiont of insects: exchange of toxin-encoding bacteriophage. Molecular Ecology 17(3): 916-29

Oliver, K. M., J. Campos, N. A. Moran, and M. S. Hunter. 2008. Population dynamics of defensive symbionts in aphids. Proceedings of the Royal Society B 275(1632): 293-9

Plague, G. R., H. E. Dunbar, P. L. Tran, and N. A. Moran. 2008. Extensive proliferation of transposable elements in heritable bacterial symbionts. Journal of Bacteriology 190(2): 777-9

McCutcheon, J.P. and N. A. Moran. 2007. Parallel genomic evolution and metabolic interdependence in an ancient symbiosis. Proceedings of the National Academy of Sciences USA 104: 19392-7

Cox-Foster, D. L., S. Conlan, E. C. Holmes, G. Palacios, J. D. Evans, N. A. Moran, P. L. Quan, T. Briese, M. Hornig, D. M. Geiser, V. Martinson, D. vanEngelsdorp, A. L. Kalkstein, A. Drysdale, J. Hui, J. Zhai, L. Cui, S. K. Hutchison, J. F. Simons, M. Egholm, J. S. Pettis, and W. I. Lipkin. 2007. A metagenomic survey of microbes in honey bee colony collapse disorder. Science 318(5848): 283-7

Moran, N. A. 2007. Symbiosis as an adaptive process and source of phenotypic complexity. Proceedings of the National Academy of Sciences USA 104 Suppl 1: 8627-33

Dunbar, H.E., A. C. Wilson, N. R. Ferguson, and N. A. Moran. 2007. Aphid thermal tolerance is governed by a point mutation in bacterial symbionts. PLoS Biology 5(5): e96

Moran, N. A. 2006. Symbiosis. Current Biology 16(20): R866-71

Takiya, D. M., P. Tran, C. H. Dietrich, and N. A. Moran. 2006. Co-cladogenesis spanning three phyla: leafhoppers (Insecta: Hemiptera: Cicadellidae) and their dual bacterial symbionts. Molecular Ecology 15(13): 4175-91

Nakabachi, A., A. Yamashita, H. Toh, H. Ishikawa, H. E. Dunbar, N. A. Moran, and M. Hattori. 2006. The 160-kilobase genome of the bacterial endosymbiont Carsonella. Science 314(5797): 267

Moran, N. A. and H. E. Dunbar. 2006. Sexual acquisition of beneficial symbionts in aphids. Proceedings of the National Academy of Sciences U S A 103(34): 12803-6

Dale, C. and N. A. Moran 2006. Molecular interactions between bacterial symbionts and their hosts. Cell. 126(3): 453-65

Mateos, M., S. J. Castrezana, B. J. Nankivell, A. Estes, T. A. Markow, and N. A. Moran. 2006. Heritable endosymbionts of Drosophila. Genetics 174: 363–76

Wu, D., S. C. Daugherty, S. E. Van Aken, G. H. Pai, K. L. Watkins, H. Khouri, L. J. Tallon, J. M. Zaborsky, H. E. Dunbar, P. L. Tran, N. A. Moran, and J. A. Eisen. 2006. Metabolic complementarity and genomics of the dual symbiosis of sharpshooters. PloS Biology 4(6): e188

Oliver, K. M., N. A. Moran, and M. Hunter. 2006. Costs and benefits of a superinfection of facultative symbionts in aphids. Proceedings of the Royal Society B 273(1591): 1273-80

Moran, N. A. and P. H. Degnan. 2006. Functional genomics of Buchnera and the ecology of aphid hosts. Molecular Ecology 15(5): 1251-61

Russell, J. A. and N. A. Moran. 2006. Costs and benefits of symbiont infection in aphids: variation among symbionts and across temperatures. Proceedings of the Royal Society B 273(1586): 603-10

Wilson, A. C. C., H. E. Dunbar, G. K. Davis, W. B. Hunter, D. L. Stern, and N. A. Moran. 2006. A dual-genome microarray for the pea aphid, Acyrthosiphon pisum and its obligate bacterial symbiont, Buchnera aphidicola. BMC Genomics 7: 50.

Moran, N. A., P. Tran, and N. M. Gerardo. 2005. Symbiosis and insect diversification: an ancient symbiont of sap-feeding insects from the bacterial phylum Bacteroidetes. Applied and Environmental Microbiology 71(12): 8802-10

Russell, J. A. and N. A. Moran. 2005. Horizontal transfer of bacterial symbionts: heritability and fitness effects in a novel aphid host. Applied and Environmental Microbiology 71(12): 7987-94

Moran, N. A., P. H. Degnan, S. R. Santos, H. E. Dunbar, and H. Ochman. 2005. The players in a mutualistic symbiosis: Insects, bacteria, viruses and virulence genes. Proceedings of the National Academy of Sciences USA 102(47): 16919-26

Oliver, K. M., N. A. Moran, and M. S. Hunter. 2005. Variation in resistance to parasitism in aphids is due to symbionts and not host genotype. Proceedings of the National Academy of Sciences USA 102(36): 12795-800

Moran, N. A., H. E. Dunbar, and J. L. Wilcox. 2005. Regulation of transcription in a reduced bacterial genome: nutrient-provisioning genes of the obligate symbiont, Buchnera aphidicola. Journal of Bacteriology 187(12): 4229-37

Moran, N. A., J. A. Russell, R. Koga, and T. Fukatsu. 2005. Evolutionary relationships of three new species of Enterobacteriaceae living as symbionts of aphids and other insects. Applied and Environmental Microbiology 71(6): 3302-10

Lerat E., Daubin V., Ochman H., and Moran N. A. 2005. Evolutionary origins of genomic repertoires in bacteria. PLoS Biology 3(5): e130

Dale, C. D., H. Dunbar, N. A. Moran, and H. Ochman. 2004. Extracting single genomes from heterogenous DNA samples: A test case with Carsonella ruddii the bacterial symbiont of psyllids (Insecta). Journal of Insect Science 5: 3

Daubin, V. and Moran N. A. 2004. Comment on The Evolution of Genome Complexity. Science 306: 978

Lerat, E. and Moran, N. A. 2004. The evolutionary history of quorum-sensing systems in bacteria. Molecular Biology and Evolution 21: 903-913

Moran, N. A. and G. R. Plague. 2004. Genomic changes following host restriction in bacteria. Current Opinions in Genetics and Development 14: 627-633

Dale, C., B. Wang, N. Moran and H. Ochman. 2003. Loss of DNA recombinational repair enzymes in the initial stages of genome degeneration in mutualistic bacterial endosymbionts. Molecular Biology and Evolution 20: 1188-1194

Daubin, V., N. A. Moran and H. Ochman. 2003. Phylogenetics and the cohesion of bacterial genomes. Science 5634: 829-832 /p>

Lerat, E., V. Daubin and N. A. Moran. 2003. From gene trees to organismal phylogeny in prokaryotes: the case of the γ-Proteobacteria. PLoS Biology 1: 101-108

Moran, N. A. 2003. Tracing the evolution of gene loss in obligate symbionts. Current Opinions in Microbiology 6: 512-518

Moran, N. A., C. Dale, H. Dunbar, W. Smith, and H. Ochman. 2003. Intracellular symbionts of sharpshooters (Insecta: Hemiptera: Cicadellinae) form a distinct clade with a small genome. Environmental Microbiology 5: 116-126

Moran, N. A., G. Plague, J. Sandström, and J. Wilcox. 2003. A genomic perspective on nutrient-provisioning by bacterial symbionts of insects. Proceedings of the National Academy of Sciences USA (Colloquium Issue) 100: 14543-14548

Moran, N. A. and J. Wilcox. 2003. Genomic evolution in Buchnera the obligate symbiont of aphids. Nova Acta Leopoldina 333:335-338

Normark, B. B., O Judson, and N. A. Moran. 2003. Genomic signatures of ancient asexual lineages. Biological Journal of the Linnean Society 79: 69-84

Oliver, K., J. Russell, N. Moran, and M. Hunter. 2003. Facultative bacterial symbionts in aphids confer resistance to parasitic wasps. Proceedings of the National Academy of Sciences USA 100:1803-1807

Plague, G.R., C. Dale, and N. A. Moran. 2003. Low and homogeneous copy number of plasmid-borne symbiont genes affecting host nutrition in Buchnera aphidicola of the aphid Uroleucon ambrosiae. Molecular Ecology 12: 1095-1100

Russell, J.A., A. L. LaTorre, B. Sabater-Munoz, A. Moya, N. A. Moran. 2003. Side-stepping secondary symbionts: widespread horizontal transfer across and beyond the Aphidoidea. Molecular Ecology 12: 1061-1075

Wilcox, J. L., H. E. Dunbar, R. D. Wolfinger, and N. A. Moran. 2003. Consequences of reductive evolution for gene expression in an obligate endosymbiont. Molecular Microbiology 48: 1491-1500

Abbot, P. and N. A. Moran. 2002. Extremely low levels of genetic polymorphism in endosymbionts of aphids (Pemphigus). Molecular Ecology 11: 2649-2660

Dale C., G. Plague, B. Wang, H. Ochman, and N. A. Moran. 2002. Type III secretion and the conversion from parasitism to mutualism. Proceedings of the National Academy of Sciences USA 99: 12397-12402

Mira, A. and N. Moran. 2002. Estimating population size and transmission bottlenecks in maternally transmitted endosymbiotic bacteria. Microbial Ecology 44: 137-143

Moran, N. A. 2002. The ubiquitous and varied role of infection in the lives of animals and plants. The American Naturalist 160:S1-S8

Moran, N. A. 2002. Microbial minimalism: Genome reduction in bacterial pathogens Cell 108: 583-586

Tamas, I, L. Klasson, B. Canbäck, K. Näslund, A.-S. Eriksson, J. J. Wernegreen, J. P. Sandström, N. A. Moran, and S. G. E. Andersson. 2002. Fifty million years of genomic stasis in endosymbiotic bacteria. Science 296:2376-2379

Abbot, P., J. H. Withgott, and N. A. Moran. 2001. Genetic conflict and conditional altruism in social aphid colonies. Proceedings of the National Academy of Sciences USA 98:12068-12071

Clark, M.A, L. Baumann, M.L. Thao, N.A. Moran, and P. Baumann. 2001. Degenerative minimalism in the genome of a psyllid endosymbiont. Journal of Bacteriology 183: 1853-1861

Funk, D. J., J. J. Wernegreen, and N. A. Moran. 2001. Intraspecific variation in symbiont genomes: bottlenecks and the aphid- Buchnera association. Genetics 157: 477-489

Mira, A., H. Ochman, and N. A. Moran. 2001. Deletional bias and the evolution of bacterial genomes. Trends in Genetics 17: 589-596

Moran, N. A. 2001. Bacterial menageries inside insects. (Commentary). Proceedings of the National Academy of Sciences USA 98: 1338-1340

Moran, N. A. 2001. The coevolution of bacterial endosymbionts and phloem-feeding insects. Annals of the Missouri Botanical Gardens 88: 35-44

Moran, N. A. and A. Mira. 2001. The process of genome shrinkage in the obligate symbiont, Buchnera aphidicola. Genome Biology 2: research0054.1-0054.12

Ochman, H. and N. A. Moran. 2001. Genes lost and genes found: the evolution of bacterial pathogenesis and symbiosis. Science 292: 1096-1098

Sandström, J. P. and N. A. Moran. 2001. Amino acid budgets in three aphid species using the same host plant. Physiological Entomology 26: 202-211

Sandström, J. P., J. A. Russell, J. P. White, and N. A. Moran. 2001. Independent origins and horizontal transfer of bacterial symbionts of aphids. Molecular Ecology 10: 217-228

Thao, M. L, M. A. Clark, D. H. Burckhart, N. A. Moran, and P. Baumann. 2001. Phylogenetic analysis of vertically transmitted psyllid endsymbionts (Candidatus Carsonella ruddi) based on atpAGD and rpoC : Comparisons with 16S-23S rDNA-derived phylogeny. Current Microbiology 42: 419-421

von Dohlen, C. D. and N. A. Moran. 2001. Mitochondrial ribosomal sequences and fossils support a rapid radiation of aphids in the Cretaceous and multiple origins of a complex life cycle. Biological Journal of the Linnean Society 71: 689-717

Wernegreen, J. J. and N. A. Moran. 2001. Vertical transmission of biosynthetic plasmids in aphid endosymbionts (Buchnera). Journal of Bacteriology 183: 785-790

Wernegreen, J. J., A. Richardson, and N. A. Moran. 2001. Parallel acceleration of evolutionary rates in genes underlying host nutrition in aphid symbionts. Molecular Phylogenetics and Evolution 19: 479-485

Baumann, P., L. Baumann and N. A. Moran. 2000. Genus Buchnera Munson, Baumann, and Kinsey 1991. (entry in Bergey's Manual of Systematic Bacteriology)

Bernays, E. A., D. J. Funk, and N. A. Moran. 2000. Intraspecific differences in olfactory sensilla in relation to diet breadth in Uroleucon ambrosiae (Homoptera: Aphididae). Journal of Morphology 245: 99-109

Clark, M. A., N. A. Moran, P. Baumann and J. J. Wernegreen. 2000. Cospeciation between bacterial endosymbionts (Buchnera) and a recent radiation of aphids (Uroleucon) and pitfalls of testing for phylogenetic congruence. Evolution 54: 517-525

Funk, D. J., L. Helbling, J. J. Wernegreen, and N. A. Moran. 2000. Intraspecific phylogenetic congruence among multiple symbiont genomes. Proceedings of the Royal Society of London Series B 267: 2517-2521

Moran, N. A. and P. Baumann. 2000. Bacterial endosymbionts in animals. Current Opinions in Microbiology 3: 270-275

Moran, N. A., and J. J. Wernegreen. 2000. Lifestyle evolution in symbiotic bacteria: insights from genomics. Trends in Ecology and Evolution 15: 321-326

Normark, B. B. and N. A. Moran. 2000. Testing for the accumulation of deleterious mutations in asexual eukaryotes. Journal of Natural History 34:1719-1729

Rispe, C. and N. A. Moran. 2000. Accumulation of deleterious mutations in endosymbionts: Muller's ratchet with two levels of selection. The American Naturalist 156: 425-441

Sandström, J., A. Telang and N. A. Moran. 2000. Nutritional enhancement of host plants by aphids--a comparison of three aphid species on grasses. Journal of Insect Physiology 46: 33-40

Thao, M. L., M. Clark, L. Baumann, E. B. Brennan, N. A. Moran. and P. Baumann. 2000. Secondary symbionts of psyllids have been acquired multiple times. Current Microbiology 41: 300-304

Thao, M. L., N. A. Moran. P. Abbot, E. B. Brennan, D. H. Burckhardt and P. Baumann. 2000. Cospeciation of psyllids and their prokaryotic endosymbionts. Applied and Environmental Microbiology 66: 2898-2905

Wernegreen, J. J. and N. A. Moran. 2000. Decay of mutualistic potential in aphid endosymbionts through silencing of biosynthetic loci: Buchnera of Diuraphis. Proceedings of the Royal Society Series B 267: 1423-1431

Wernegreen, J. J., H. Ochman, I. Jones and N. A. Moran. 2000. The decoupling of genome size and sequence divergence in a symbiotic bacterium. Journal of Bacteriology 182: 3867-3869

Baumann, L., P. Baumann, N. A. Moran, J. Sandström and M. L. Thao. 1999. Genetic characterization of plasmids contining genes encoding enzymes of leucine biosynthesis in endosymbionts (Buchnera) of aphids. Journal of Molecular Evolution 48:77-85

Baumann, P., N. A. Moran and L. Baumann. 1999. Bacteriocyte-associated endosymbionts of insects. In The Prokaryotes, Third Edition, a Handbook on the Biology of Bacteria: Ecophysiology, isolation, identification, applications, (Dworkin, M., ed.) Springer-Verlag

Clark M. A., P. Baumann and N.A. Moran. 1999. Buchnera plasmid-associated trpEG probably originated from a chromosomal location between hsIU and fpr. Current Microbiology 38: 309-311

Clark, M. A., N. A. Moran and P. Baumann. 1999. Sequence evolution in bacterial endosymbionts having extreme base composition. Molecular Biology and Evolution 16: 1586-1598

Holt, R.D., M. A. McPeek and N. A. Moran. 1999. 1998 Sewall Wright Award: William Donald Hamilton. American Naturalist 153(1): i-ii

Moran, N. A., M. A. Kaplan, M. Gelsey, T. Murphy and E. Scholes. 1999. Phylogenetics and evolution of the aphid genus Uroleucon based on mitochondrial and nuclear DNA sequences. Systematic Entomology 24: 85-93

Ochman, H., S. Elwyn and N. Moran. 1999. Calibrating bacterial evolution. Proceedings of the National Academy of Sciences USA 96:12638-12643

Sandström, J. and N. Moran. 1999. How nutritionally imbalanced is phloem sap for aphids? Entomologia experimentalis et applicata 91: 203-210

Telang, A., J. Sandström, E. Dyreson and N. A. Moran. 1999. Feeding damage by Diuraphis noxia results in a nutritionally enhanced phloem diet. Entomologia experimentalis et applicata 91: 403-412

Wernegreen J.J. and N. A. Moran. 1999. Evidence for genetic drift in endosymbionts: analyses of protein coding genes. Molecular Biology and Evolution 16: 83-97

Baumann, L., P. Baumann and N. A. Moran. 1998. The endosymbiont (Buchnera) of the aphid Diuraphis noxia contains all the genes of the tryptophan biosynthetic pathway. Current Microbiology 37:58-59

Brynnel, E. A., C. G. Kurland, S. G. E. Andersson and N. A. Moran. 1998. Evolutionary rates for tuf genes in endosymbionts of aphids. Molecular Biology and Evolution 15: 574-582

Lambert, J. L. and N. A. Moran. 1998. Deleterious mutations destabilize ribosomal RNA of endosymbionts. Proceedings of the National Academy of Sciences USA 95: 4458-4462

Moran, N. A. and A. Telang. 1998. Bacteriocyte-associated endosymbionts in insects. Bioscience 48: 295-304

Thao, M. L., L. Baumann, P. Baumann and N. A. Moran. 1998. Endosymbionts (Buchnera) from the aphids Schizaphis graminum and Diuraphis noxia have different copy numbers of the plasmid containing the leucine biosynthetic genes. Current Microbiology 36: 238-240

Baumann, L., M. A. Clark, D. Rouhbakhsh, P. Baumann, N. A. Moran and D. J. Voegtlin. 1997. Endosymbionts (Buchnera) of Uroleucon sonchi contain plasmids with trpEG and remnants of trpE pseudogenes. Current Microbiology 35: 18- 21

Baumann, P. and N. A. Moran. 1997. Non-cultivable microorganisms from symbiotic associations of insects and other hosts. Antonie van Leeuwenhoek 72: 39-48

Baumann, P., N. Moran and L. Baumann. 1997. The evolution and genetics of aphid endosymbionts. Bioscience 47: 12-20

Rouhbaksh, D., M. A. Clark, L. Baumann, N. Moran and P. Baumann. 1997. Evolution of the tryptophan biosynthetic pathway in Buchnera (aphid endosymbionts): studies of plasmid-associated trpEG within the genus Uroleucon. Molecular Phylogenetics and Evolution 8: 167-176

Withgott, J. H., D. K. Abbot and N. A. Moran. 1997. Maternal death relaxes developmental inhibition in nymphal aphid defenders. Proceedings of the Royal Society of London Series B 264: 1197-1202

Aoki, S., U. Kurosu, and N. A. Moran. 1996. Secondary monoecy of the gall aphid Thecabius populimonilis. Japanese Journal of Entomology 64: 367-378

Lai, C.-Y., P. Baumann and N. Moran. 1996. The endosymbiont (Buchnera) of the aphid Diuraphis noxia contains plasmids consisting of trpEG and tandem repeats of trpEG pseudogenes. Applied and Environmental Microbiology 62: 332-339

Moran, N. A. 1996. Accelerated evolution and Muller's ratchet in endosymbiotic bacteria. Proceedings of the National Academy of Sciences 93: 2873-2878

Rouhbaksh, D., C.-Y. Lai, C. D. von Dohlen, L. Baumann, P. Baumann, N. A. Moran, and D. J. Voegtlin. 1996. The tryptophan biosynthetic pathway of aphid endosymbionts (Buchnera): genetics and evolution of plasmid-associated trpEG within the Aphididae. Journal of Molecular Evolution 42: 414-421

Seger J. and N. A. Moran. 1996. Behavioural ecology - Snapping social swimmers. Nature 381: 473-474

Baumann, P., L. Baumann , C.-Y. Lai, D. Rouhbakhsh, N. A. Moran and M. A. Clark. 1995. Genetics, physiology, and evolutionary relationships of the genus Buchnera: intracellular symbionts of aphids. Annual Review of Microbiology 41: 55-94

Baumann, P., C.-Y. Lai, L. Baumann, D. Rouhbakhsh, N. A. Moran, and M. A. Clark. 1995. Mutualistic associations of aphids and prokaryotes: biology of the genus Buchnera. Applied and Environmental Microbiology 61: 1-7

Lai, C.-Y., P. Baumann, and N.A. Moran. 1995. Genetics of the tryptophan biosynthetic pathway of the prokaryotic endosymbiont (Buchnera) of the aphid Schlechtendalia chinensis. Insect Molecular Biology 4: 47-59

Moran, N. A., C. D. von Dohlen and P. Baumann. 1995. Faster evolutionary rates in endosymbiotic bacteria than in cospeciating insect hosts. Journal of Molecular Evolution 41: 727-731

von Dohlen, C. D. and N. A. Moran. 1995. Molecular phylogeny of the Homoptera: a paraphyletic taxon. Journal of Molecular Evolution 41: 211-223

Aoki, S. and N. A. Moran. 1994. Pemphigus obesinymphae, a new American aphid species with defenders and swollen nymphs (Homoptera: Aphidoidea: Pemphigidae). Journal of the New York Entomological Society 102: 251-260

Moran, N. A. 1994. Adaptation and constraint in the complex life cycles of animals. Annual Review of Ecology and Systematics 25: 573-600

Moran, N. and P. Baumann. 1994. Phylogenetics of cytoplasmically inherited microorganisms of arthropods. Trends in Ecology and Evolution 9: 15-20

Moran, N. A., P. Baumann and C. von Dohlen. 1994. Use of DNA sequences to reconstruct the history of the association between members of the Sternorrhyncha and their bacterial endosymbionts. European Journal of Entomology 91: 79-83

Rouhbaksh, D., N. A. Moran, L. Baumann, D. J. Voegtlin and P. Baumann. 1994. Detection of Buchnera the primary prokaryotic endosymbiont of aphids, using the polymerase chain reaction. Insect Molecular Biology 3: 213-217

Baumann, P., M. A. Munson, C.-Y. Lai, M. A. Clark, L. Baumann, N. A. Moran and B. C. Campbell. 1993. Origin and properties of bacterial endosymbionts of aphids, whiteflies, and mealybugs. American Society of Microbiology News 59: 21-24

Moran, N. A. 1993. Defenders in the North American aphid, Pemphigus obesinymphae. Insectes Sociaux 40: 391-402

Moran, N. A., M. A. Munson, P. Baumann and H. Ishikawa. 1993. A molecular clock in endosymbiotic bacteria is calibrated using the insect hosts. Proceedings of the Royal Society of London Series B 253: 167-171

Moran, N., J. Seminoff and L. Johnstone. 1993. Genotypic variation in propensity for host alternation within a population of the aphid Pemphigus betae. Journal of Evolutionary Biology 6: 691-705

Moran, N., J. Seminoff and L. Johnstone. 1993. Induction of winged sexuparae in root- inhabiting colonies of the aphid Pemphigus betae. Physiological Entomology 18: 296-302

Clark, M. A., L. Baumann, M. A. Munson, P. Baumann, B. C. Campbell, J. E. Duffus, L. S. Osborne and N. A. Moran. 1992. The eubacterial endosymbionts of whiteflies (Homoptera: Aleyrodoidea) constitute a lineages distinct from the endosymbionts of aphids and mealybugs. Current Microbiology 25: 119-123

Moran, N. A. 1992. Evolution of sex ratio variation in aphids. chapter in Evolution and Diversity of Sex Ratios in Insects and Mites (D. Wrensch and M. Ebbert, eds.), pp. 346-368. Chapman and Hall, NY

Moran, N. A. 1992. The evolutionary maintenance of alternative phenotypes. The American Naturalist 139: 971-989

Moran, N. A. 1992. The evolution of life cycles in aphids. Annual Review of Entomology 37: 321-348

Munson, M., P. Baumann and N. Moran. 1992. Phylogenetic relationships of mealybug endosymbionts (Homoptera: Pseudococcidae) based on 16S rDNA sequences. Molecular Phylogenetics and Evolution 1: 26-30

Moran, N. A. 1991. Phenotype fixation and genotypic diversity in the life cycle of the aphid, Pemphigus betae. Evolution 45: 957-970

Munson, M. A., P. Baumann, M. A. Clark, L. Baumann, N. A. Moran, D. J. Voegtlin, and B. C. Campbell. 1991. Evidence for the establishment of aphid-eubacterium endosymbiosis in an ancestor of four aphid families. Journal of Bacteriology 173: 6321-6324

Moran, N. A. 1990.Genetic variation in life cycle and host plant relations in Pemphigus betae. 7th International Symposium on Insect/Host Plant Relations. Symp. Biol. Hung. 39: 245-248

Moran, N. A. 1990. Aphid life cycles: two evolutionary steps. The American Naturalist 136: 135-138

Moran, N. A. and T. G. Whitham. 1990. Differential colonization of resistant and susceptible hostplants: Pemphigus and Populus. Ecology 71:1059-1067

Moran, N. A. and T. G. Whitham. 1990. Interspecific competition between root-feeding and leaf-galling aphids mediated by host plant resistance. Ecology 71: 1050-1058

Moran, N. A. 1989. A 48-million-year-old aphid-host plant association and complex life cycle: biogeographic evidence. Science 245: 173-175

Moran, N.A. 1988. The evolution of host alternation in aphids: evidence that specialization is a dead end. The American Naturalist 132: 681-706

Moran, N. A. and T. G. Whitham. 1988. Evolutionary reduction of complex life cycles: loss of host alternation in Pemphigus (Homoptera: Aphididae). Evolution 42: 717-728

Moran, N. A. and T. G. Whitham. 1988. Population fluctuations in complex life cycles: an example from Pemphigus aphids. Ecology 69: 1214-1218

Moran, N. A. 1987. Evolutionary determinants of host plant specificity in Uroleucon . Pages 29-38 in Population Structure, Genetics, and Taxonomy of Aphids and Thysanoptera, edited by J. Holman, J. Pelikan, A. F. G. Dixon, and L. Weisman. SPB Publishing, The Hague, The Netherlands

Moran, N. A. 1986. Morphological adaptation to host plants in Uroleucon (Homoptera: Aphididae). Evolution 40: 1044-1058

Moran, N. 1986. Benefits of host plant specificity in Uroleucon (Homoptera: Aphididae). Ecology 67, 108-115

Stenseth, N. C., L. R. Kirkendall, and N. A. Moran. 1985. On the evolution of pseudogamy. Evolution 39: 294-307

Moran, N. 1984. The genus Uroleucon in Michigan: key, host records, descriptions of three new species. Journal of the Kansas Entomological Society 57: 596-616

Moran, N. 1984. Reproductive performance of a specialist herbivore, Uroleucon nigrotibium, on its host and on a non-host. Oikos 42: 171-175

Moran, N. 1983. Seasonal shifts in host usage in Uroleucon gravicorne (Homoptera: Aphididae) and implications for the evolution of host alternation in aphids. Ecological Entomology 8: 371-382

Moran, N. A. 1981. Intraspecific variation in herbivore performance and host quality: a field study of Uroleucon caligatum (Homptera: Aphididae) and its Solidago (Asteraceae) hosts. Ecological Entomology 6: 301-306

Hamilton, W. D., P. A. Henderson, and N. A. Moran. 1980. Fluctuations of environment and coevolved antagonist polymorphism as factors in the maintenance of sex. Pages 363-382 in Natural Selection and Social Behavior: recent research and new theory, edited by R. D. Alexander and D. W. Tinkle. Chiron Press, NY

Moran, N. and W. D. Hamilton. 1980. Low nutritive quality as defense against herbivores. Journal of Theoretical Biology 86: 247-254

Burley, N. and N. Moran. 1979. Significance of age and reproductive experience in the mate preferences of feral pigeons, Columba livia. Animal Behaviour 27: 686-698

Popular articles

Moran, N. A. 2002. Genome evolution in endosymbiotic bacteria. American Society of Microbiology News 68:499-505.

Moran, N. A. 2001. Coevolucio de bacteris endosimbiotics i insectes. Methode 28: 40-43, Catalan language popular magazine about science (translated).

Moran, N. A. 2000. The secret to success in sap-sucking insects. Wings (essays on invertebrate conservation) 23: 12-16

Moran, N. A. 1992. Quantum leapers: aphids take risks to satisfy ancient tastes. Natural History 4/92: 34-39