Results 1 to 10 of about 1,711 (143)

A theoretical model for host-controlled regulation of symbiont density. [PDF]

J Evol Biol, 2023
Mathematical modelling was used to investigate regulation of symbiont density by hosts. Abstract There is growing empirical evidence that animal hosts actively control the density of their mutualistic symbionts according to their requirements. Such active regulation can be facilitated by compartmentalization of symbionts within host tissues, which ...
Whittle M, Bonsall MB, Barreaux AMG, Ponton F, English S.   +4 more
europepmc   +2 more sources

Stress in dipteran insects mass-reared for sterile insect technique applications. [PDF]

Insect Sci
The connections between biotic and abiotic stress affecting mass‐reared dipteran insects and the associated stress and immunological responses. Numbers indicate the order in which the topics are discussed in this review. Abstract Stress may be viewed as the disturbance of homeostasis of an organism.
Mirieri CK, Ros VID, Abd-Alla AMM, van Oers MM.   +3 more
europepmc   +2 more sources

Host-associated beneficial gut microbiota boosts induced immunity and limits immune deployment costs in bumblebees. [PDF]

J Anim Ecol
Our work demonstrates a key role for host‐associated microbiota in the realization of induced immune defense, and contributes more broadly to our understanding of microbiota‐immune interactions in the context of ecological immunology. Abstract Ecological immunology posits that variation in host resistance to infection may be attributed partly to the ...
Calhoun AC, Shosanya T, Long BK, Rehberger JK, Sadd BM.   +4 more
europepmc   +2 more sources

Large-scale and significant expression from pseudogenes in Sodalis glossinidius – a facultative bacterial endosymbiont [PDF]

, 2020
The majority of bacterial genomes have high coding efficiencies, but there are some genomes of intracellular bacteria that have low gene density. The genome of the endosymbiont Sodalis glossinidius contains almost 50 % pseudogenes containing mutations ...
Beynon, R, Blow, F, Brownridge, P, Darby, AC, Goodhead, IB, Hughes, M, Kenny, J, Krishna, R, McLean, L, Pongchaikul, P   +9 more
core   +2 more sources

The Wolbachia Genome of Brugia malayi: Endosymbiont Evolution within a Human Pathogenic Nematode [PDF]

, 2005
Complete genome DNA sequence and analysis is presented for Wolbachia, the obligate alpha-proteobacterial endosymbiont required for fertility and survival of the human filarial parasitic nematode Brugia malayi. Although, quantitatively, the genome is even
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core   +6 more sources

Draft Genome Sequence of the Bactrocera oleae Symbiont "Candidatus Erwinia dacicola". [PDF]

, 2016
"Candidatus Erwinia dacicola" is a Gammaproteobacterium that forms a symbiotic association with the agricultural pest Bactrocera oleae Here, we present a 2.1-Mb draft hybrid genome assembly for "Ca.
Ben-Yosef, Michael, Blow, Frances, Darby, Alistair C, Gioti, Anastasia, Jurkevitch, Edouard, Pasternak, Zohar, Starns, David, Vontas, John   +7 more
core   +6 more sources

Protein abundance in the midgut of wild tsetse flies (Glossina palpalis palpalis) naturally infected by Trypanosoma congolense s.l.

Medical and Veterinary Entomology, Volume 37, Issue 4, Page 723-736, December 2023., 2023
Main functions of underexpressed proteins in infected flies: transcription/translation processes; biosynthetic and metabolic processes (ATP synthesis); and glutathione S‐transferase activity = metabolic and immune destabilisation and weakening of the fly during infection. Main functions of overexpressed proteins in infected flies (serpins as an example)
Jean Marc Tsagmo, Flobert Njiokou, Alexis Dziedziech, Valerie Rofidal, Sonia Hem, Anne Geiger   +5 more
wiley   +1 more source

No evidence for direct thermal carryover effects on starvation tolerance in the obligate blood‐feeder, Glossina morsitans morsitans

Ecology and Evolution, Volume 13, Issue 10, October 2023., 2023
We find that adult temperature had the most pronounced effect on starvation tolerance in tsetse. There were no direct carryover effects of pupal temperature, showing that starvation responses to temperature are life‐stage specific. Therefore, rising temperatures due to climate change are likely to exert the greatest effect on emerging adult tsetse ...
Hester Weaving, Jennifer S. Lord, Lee Haines, Sinead English   +3 more
wiley   +1 more source

Macroevolutionary constraints on global microbial diversity

Ecology and Evolution, Volume 13, Issue 8, August 2023., 2023
Microorganisms have traditionally been overlooked when estimating the number of species on Earth. We parameterized macroevolutionary models, which indicate that global richness beyond one trillion (1012) species is feasible and in agreement with empirical predictions.
Ford J. Fishman, Jay T. Lennon
wiley   +1 more source

Could bacterial associations determine the success of weevil species?

Annals of Applied Biology, Volume 178, Issue 1, Page 51-61, January 2021., 2021
Abstract The weevil superfamily Curculionoidea is the largest insect group and so the largest animal group on earth. This taxon includes species which represent an important threat to many economically important crops and, therefore, pose a risk to agriculture and food security.
Pilar Morera‐Margarit, Tom W. Pope, Carolyn Mitchell, Alison J. Karley   +3 more
wiley   +1 more source