To elucidate the co‐evolutionary relationships between phloem‐feeding insects and their
secondary, or facultative, bacterial symbionts, we explore the distributions of three such …

In North America, the pea aphid Acyrthosiphon pisum encompasses ecologically and
genetically distinct host races that offer an ideal biological system for studies on sympatric …

Buchnera is a mutualistic intracellular symbiont of aphids. Their association began about
200 million years ago, with host and symbiont lineages evolving in parallel since that time. …

… (B) On long evolutionary time scales, we also find that strong clients evolve faster than weak
clients (Wilcoxon rank-sum test, P = 2.3 × 10 − 3). The thick horizontal line in the middle of …

The heat-shock protein GroEL is a double-ring–structured chaperonin that assists the folding
of many newly synthesized proteins in Escherichia coli and the refolding in vitro, with the …

… Cytochrome b. Comparison of outgroup and ingroup sequences of the cytochome b fragment
(1006 bp) revealed 101 variable sites of which 44 were parsimony informative (4.4% of …

… (B) We quantified the expression level as the mean number of pixels (±SE) by Western
blotting using hybridization with monoclonal GroEL antibody (ABCam #ab905022 at 1:1,000) at …

… panel César Monzó a b , Beatriz Sabater-Muñoz a , Alberto Urbaneja a , Pedro Castañera
b … Acta Agriculturae Scandinavica Section B, Soil and Plant Science, 42 (1992), pp. 57-61 …

The Mediterranean fruit fly, Ceratitis capitata (Wiedemann), which is often controlled chemically,
is a major citrus pest in Spain; however, alternative biological control strategies such as …

Aphids are the leading pests in agricultural crops. A large-scale sequencing of 40,904 ESTs
from the pea aphid Acyrthosiphon pisum was carried out to define a catalog of 12,082 …