Results 61 to 70 of about 19,656 (270)

Of parasites and men

open access: yesInfection, Genetics and Evolution, 2013
The living world has evolved and is evolving through interspecific relationships between organisms. The diversity of these interactions is enormous going from mutualism to parasitism. Humans live with a multitude of microorganisms, essential for their biology. However, interactions are not always advantageous.
Bañuls, Anne-Laure   +2 more
openaire   +5 more sources

Daphnia‐associated bacterial communities correlate with diet quantity, environmental conditions, and epidemic size across natural outbreaks

open access: yesLimnology and Oceanography, EarlyView.
Abstract Zooplankton‐associated microbiomes play an important role for host health, and contribute to ecosystem processes such as nutrient cycling. Yet, few studies have assessed how environmental gradients and biotic interactions, including parasitism and diet, may shape the microbiome composition of wild zooplankton. Here, we analyzed the microbiomes
Amruta Rajarajan   +6 more
wiley   +1 more source

Iron and Parasites [PDF]

open access: yesBioMed Research International, 2015
In this special issue, we analyze the importance of iron in the host-parasite interplay. Iron is a transition element and the fourth most abundant element in the Earth's crust. Iron is vital for growth of nearly all living organisms, from prokaryotes to humans.
Rossana Arroyo   +3 more
openaire   +2 more sources

Occurrence and integrated control of major rice diseases in China

open access: yesNew Plant Protection, EarlyView.
Rice is constantly under threat from a variety of pathogens. This review highlights the major diseases affecting rice in China, including three fungal diseases, two bacterial diseases, two viral diseases, and one nematode. The review also proposes future directions for an integrated approach to control these significant rice diseases.
Ruyi Wang   +13 more
wiley   +1 more source

Three's a crowd: The relationship among endoparasites, an epibiont and their Daphnia host

open access: yesOikos, EarlyView.
In freshwater communities, organisms interact in a variety of ways, including predation, competition and parasitism. Parasites are ubiquitous, playing an important role in shaping freshwater communities. Endoparasites live within internal organs of their host, while ectoparasites, also known as epibionts, are confined to the external part of the host's
Ofir Hirshberg, Frida Ben‐Ami
wiley   +1 more source

Co-evolutionary dynamics of a host-parasite interaction model: obligate versus facultative social parasitism [PDF]

open access: yesarXiv, 2015
To examine the co-evolution of quantitative traits in hosts and parasites, we present and study a co-evolutionary model of a social parasite-host system that incorporates (1) ecological dynamics that feed back into their co-evolutionary outcomes; (2) variation in whether the parasite is obligate or facultative; and (3) Holling Type II functional ...
arxiv  

Surviving in a changing world: weather and juvenile condition matter for a long‐lived avian predator, but blood parasites do not appear to

open access: yesOikos, EarlyView.
Survival is commonly the most critical factor influencing population growth in long‐lived species. Hence, identifying factors shaping variation of survival rates is crucial to understand and predict population trajectories in a changing world. We investigated the factors influencing survival in a long‐lived diurnal bird of prey, analysing the effectsof
Meinolf Ottensmann   +6 more
wiley   +1 more source

Authority of the Worm: Examining Parasitism Within INSIDE and UPSTREAM COLOUR

open access: yesMetacritic Journal for Comparative Studies and Theory, 2018
Within science fiction the parasite has long provided a way to engage with bodily fears, however in recent years, our perceived relationship with these kinds of organisms have become increasingly cognitive and existential.
Andrew Bailey
doaj   +1 more source

Do environmental fluctuations during development affect trait variation? An experimental test with salinity

open access: yesOikos, EarlyView.
Human‐induced climate change is a driver of extinction, with extreme events occurring more frequently. It increases both the amount and fluctuations in environmental stress that organisms experience. In such environments, greater intra‐specific trait variation creates more potential for adaptation through natural selection.
Meng‐Han Joseph Chung   +2 more
wiley   +1 more source

Parasite infection in a cell population: role of the partitioning kernel [PDF]

open access: yesJ. Math. Biol. 89, 14 (2024), 2023
We consider a cell population subject to a parasite infection. Cells divide at a constant rate and, at division, share the parasites they contain between their two daughter cells. The sharing may be asymmetrical, and its law may depend on the quantity of parasites in the mother.
arxiv  

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