Buchnera
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Subject Areas on Research
- 50 million years of genomic stasis in endosymbiotic bacteria.
- A conservative test of genetic drift in the endosymbiotic bacterium Buchnera: slightly deleterious mutations in the chaperonin groEL.
- A strong effect of AT mutational bias on amino acid usage in Buchnera is mitigated at high-expression genes.
- Cospeciation between bacterial endosymbionts (Buchnera) and a recent radiation of aphids (Uroleucon) and pitfalls of testing for phylogenetic congruence.
- Decay of mutualistic potential in aphid endosymbionts through silencing of biosynthetic loci: Buchnera of Diuraphis.
- Decoupling of genome size and sequence divergence in a symbiotic bacterium.
- Endosymbiont gene functions impaired and rescued by polymerase infidelity at poly(A) tracts.
- Gene expression levels influence amino acid usage and evolutionary rates in endosymbiotic bacteria.
- Intraspecific phylogenetic congruence among multiple symbiont genomes.
- Intraspecific variation in symbiont genomes: bottlenecks and the aphid-buchnera association.
- Mutation exposed: a neutral explanation for extreme base composition of an endosymbiont genome.
- Parallel acceleration of evolutionary rates in symbiont genes underlying host nutrition.
- Reduced selective constraint in endosymbionts: elevation in radical amino acid replacements occurs genome-wide.
- Vertical transmission of biosynthetic plasmids in aphid endosymbionts (Buchnera).