Results 31 to 40 of about 112,872 (335)

Changes in Aphid Host Plant Diet Influence the Small-RNA Expression Profiles of Its Obligate Nutritional Symbiont, Buchnera. [PDF]

open access: yes, 2019
Plants are a difficult food resource to use, and herbivorous insects have evolved a variety of mechanisms that allow them to fully exploit this poor nutritional resource. One such mechanism is the maintenance of bacterial symbionts that aid in host plant
Hansen, Allison K, Thairu, Margaret W
core   +2 more sources

Aphid Facultative Symbionts Aid Recovery of Their Obligate Symbiont and Their Host After Heat Stress

open access: yesFrontiers in Ecology and Evolution, 2020
Environmental conditions affect insect fitness, with many species constrained by specific temperature ranges. Aphids are limited to temperate climates and it is hypothesized that this is partly due to their heat-susceptible obligate nutritional symbiont ...
E. Heyworth   +2 more
semanticscholar   +1 more source

New Insights into Cockroach Control: Using Functional Diversity of Blattella germanica Symbionts

open access: yesInsects, 2020
Insects have close symbiotic relationships with several microbes, which extends the limited metabolic networks of most insects. Using symbiotic microorganisms for the biological control of pests and insect-borne diseases has become a promising direction.
Xiaoyuan Pan, Xuejun Wang, Fan Zhang
doaj   +1 more source

Parasites, parasitoids, and hive products that are potentially deleterious to wild and commercially raised bumble bees (Bombus spp.) in North America

open access: yesJournal of Pollination Ecology, 2023
Bumble bees are important pollinators for a great diversity of wild and cultivated plants, and in many parts of the world certain species have been found to be in decline, gone locally extinct, or even globally extinct.
Elaine Evans   +14 more
doaj   +1 more source

Genetic Diversity and Potential Function of Microbial Symbionts Associated with Newly Discovered Species of Osedax Polychaete Worms [PDF]

open access: yes, 2007
We investigated the genetic diversity of symbiotic bacteria associated with two newly discovered species of Osedax from Monterey Canyon, CA, at 1,017-m (Osedax Monterey Bay sp. 3 "rosy" [Osedax sp. MB3]) and 381-m (Osedax Monterey Bay sp.
Goffredi, Shana K.   +2 more
core   +2 more sources

Bacterial Symbionts in Lepidoptera: Their Diversity, Transmission, and Impact on the Host

open access: yesFrontiers in Microbiology, 2018
The insect’s microbiota is well acknowledged as a “hidden” player influencing essential insect traits. The gut microbiome of butterflies and moths (Lepidoptera) has been shown to be highly variable between and within species, resulting in a controversy ...
Luis R. Paniagua Voirol   +4 more
semanticscholar   +1 more source

Ixodes ricinus ticks have a functional association with Midichloria mitochondrii

open access: yesFrontiers in Cellular and Infection Microbiology, 2023
In addition to being vectors of pathogenic bacteria, ticks also harbor intracellular bacteria that associate with ticks over generations, aka symbionts.
Melina Garcia Guizzo   +8 more
doaj   +1 more source

Trichoderma Species: Versatile Plant Symbionts.

open access: yesPhytopathology, 2019
Because of the need to provide food for the growing population, agricultural activity is faced with the huge challenge of counteracting the negative effects generated by adverse environmental factors and diseases caused by pathogens on crops, while ...
Paulina Guzmán-Guzmán   +3 more
semanticscholar   +1 more source

Olive Fruit Fly Symbiont Population: Impact of Metamorphosis

open access: yesFrontiers in Microbiology, 2022
The current symbiotic view of the organisms also calls for new approaches in the way we perceive and manage our pest species. The olive fruit fly, the most important olive tree pest, is dependent on an obligate bacterial symbiont to its larvae ...
Catarina Campos   +3 more
doaj   +1 more source

The Evolution of Extortion in Iterated Prisoner's Dilemma Games [PDF]

open access: yes, 2012
Iterated games are a fundamental component of economic and evolutionary game theory. They describe situations where two players interact repeatedly and have the possibility to use conditional strategies that depend on the outcome of previous interactions.
Hilbe, Christian   +2 more
core   +2 more sources

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