Results 111 to 120 of about 45,475 (168)
Disruption of methionine synthesis repressor makes <i>Escherichia coli</i> mutualistic to host stinkbug. [PDF]
mBioWang Y, Koga R, Moriyama M, Fukatsu T.
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Symbionts of Ciliates and Ciliates as Symbionts
Indian Journal of MicrobiologyEndosymbiotic relationships between ciliates and others are critical for their ecological roles, physiological adaptations, and evolutionary implications. These can be obligate and facultative. Symbionts often provide essential nutrients, contribute to the ciliate's metabolism, aid in digestion, and offer protection against predators or environmental ...
Jyoti Dagar +7 more
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Swapping symbionts in spittlebugs: evolutionary replacement of a reduced genome symbiont [PDF]
ISME Journal, 2014 Abstract Bacterial symbionts that undergo long-term maternal transmission experience elevated fixation of deleterious mutations, resulting in massive loss of genes and changes in gene sequences that appear to limit efficiency of gene products.
Nancy Moran +2 more
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Screening Salamanders for Symbionts
2022Microbial symbionts are broadly categorized by their impacts on host fitness: commensals, pathogens, and mutualists. However, recent investigations into the physiological basis of these impacts have revealed nuanced microbial influences on a wide range of host developmental, immunological, and physiological processes, including regeneration.
Elli, Vickers, Ryan, Kerney
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Pollen. Symbionts and Symbiont-Induced Structures
1985Pollen grains, the male gametophytes of plants, are free structures for a portion of their life history. At maturity, the pollen is released from the anther in angiosperms, or the microsporangium in gymnosperms, and is carried by wind, insects, or other agents to the receptive surface of the female part of the plant, namely the stigma in flowering ...
J. P. Mascarenhas, D. Canary
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Archaeal symbionts and parasites
Current Opinion in Microbiology, 2011Several species of Archaea are involved in symbiotic or parasitic associations with representatives of Eukarya, Bacteria and other Archaea. Eukaryal interactions include different members of methanogens, found in the gut of arthropods, in the rumen of cattle, and in the human intestine, while Cenarchaeum symbiosum is a partner of a marine sponge ...
Christine, Moissl-Eichinger +1 more
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2005
A self-reproducing cycle has the fundamental organization, $A+X \longrightarrow 2A$, and is autocatalytic, i.e. the products catalyze the formation of the products. The rate of increase of A is proportional to A, i.e. exponential. Asexual living entities often grow exponentially when resources are abundant, and decay exponentially when resources are ...
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A self-reproducing cycle has the fundamental organization, $A+X \longrightarrow 2A$, and is autocatalytic, i.e. the products catalyze the formation of the products. The rate of increase of A is proportional to A, i.e. exponential. Asexual living entities often grow exponentially when resources are abundant, and decay exponentially when resources are ...
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Algal Symbionts of Invertebrates
Annual Review of Microbiology, 1973INTRODUCTION 171 TAXONOMy 172 Criteria for Identification 172 ARinities with Free-Living Species . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 173 ULTRASTRUCTURE : . . . . . . . . . . 174 Cyanophyta ....... . . ..... 174 Chromophyta ...... . . 175 Chlorophyta ....... . . . \77 LIFE HISTORIES . . . .
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Nature Biotechnology, 2003
The complete genome sequence of the insect pathogen and nematode symbiont Photorhabdus luminescens identifies a trove of antibiotic and toxin genes.
Valerie M Williamson, Harry K Kaya
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The complete genome sequence of the insect pathogen and nematode symbiont Photorhabdus luminescens identifies a trove of antibiotic and toxin genes.
Valerie M Williamson, Harry K Kaya
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Assigning function to symbionts
Nature Microbiology, 2017The development of tools to accelerate identification of causal microorganisms is crucial, and advances in microbial culture, bioinformatics and animal experimentation are currently driving these discoveries.
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