Standard methods for research on Apis mellifera gut symbionts

P Engel, RR James, R Koga, WK Kwong… - Journal of Apicultural …, 2013 - Taylor & Francis
Gut microbes can play an important role in digestion, disease resistance, and the general
health of animals, but little is known about the biology of gut symbionts in Apis mellifera. As …

Wolbachia as a bacteriocyte-associated nutritional mutualist

T Hosokawa, R Koga, Y Kikuchi… - Proceedings of the …, 2010 - National Acad Sciences
Many insects are dependent on bacterial symbionts that provide essential nutrients (ex.
aphid–Buchnera and tsetse–Wiglesworthia associations), wherein the symbionts are …

Small, smaller, smallest: the origins and evolution of ancient dual symbioses in a phloem-feeding insect

GM Bennett, NA Moran - Genome biology and evolution, 2013 - academic.oup.com
Many insects rely on bacterial symbionts with tiny genomes specialized for provisioning
nutrients lacking in host diets. Xylem sap and phloem sap are both deficient as insect diets …

Cellular mechanism for selective vertical transmission of an obligate insect symbiont at the bacteriocyte–embryo interface

R Koga, XY Meng, T Tsuchida… - Proceedings of the …, 2012 - National Acad Sciences
Many insects are associated with obligate symbiotic bacteria, which are localized in
specialized cells called bacteriocytes, vertically transmitted through host generations via …

Small genome symbiont underlies cuticle hardness in beetles

H Anbutsu, M Moriyama, N Nikoh… - Proceedings of the …, 2017 - National Acad Sciences
Beetles, representing the majority of the insect species diversity, are characterized by thick
and hard cuticle, which plays important roles for their environmental adaptation and …

[HTML][HTML] Single mutation makes Escherichia coli an insect mutualist

R Koga, M Moriyama, N Onodera-Tanifuji, Y Ishii… - Nature …, 2022 - nature.com
Microorganisms often live in symbiosis with their hosts, and some are considered mutualists,
where all species involved benefit from the interaction. How free-living microorganisms have …

Obligate bacterial endosymbionts limit thermal tolerance of insect host species

B Zhang, SP Leonard, Y Li… - Proceedings of the …, 2019 - National Acad Sciences
The thermal tolerance of an organism limits its ecological and geographic ranges and is
potentially affected by dependence on temperature-sensitive symbiotic partners. Aphid …

[HTML][HTML] A microsporidian impairs Plasmodium falciparum transmission in Anopheles arabiensis mosquitoes

JK Herren, L Mbaisi, E Mararo, EE Makhulu… - Nature …, 2020 - nature.com
A possible malaria control approach involves the dissemination in mosquitoes of inherited
symbiotic microbes to block Plasmodium transmission. However, in the Anopheles gambiae …

Evolutionary replacement of obligate symbionts in an ancient and diverse insect lineage

R Koga, GM Bennett, JR Cryan… - Environmental …, 2013 - Wiley Online Library
Many insect groups depend on ancient obligate symbioses with bacteria that undergo long‐
term genomic degradation due to inactivation and loss of ancestral genes. Sap‐feeding …

Serial horizontal transfer of vitamin-biosynthetic genes enables the establishment of new nutritional symbionts in aphids' di-symbiotic systems

A Manzano-Marı́n, A Coeur d'acier… - The ISME …, 2020 - academic.oup.com
Many insects depend on obligate mutualistic bacteria to provide essential nutrients lacking
from their diet. Most aphids, whose diet consists of phloem, rely on the bacterial …