Results 51 to 60 of about 271,635 (292)

Mitochondrial Dna Replacement Versus Nuclear Dna Persistence

open access: yes, 2006
In this paper we consider two populations whose generations are not overlapping and whose size is large. The number of males and females in both populations is constant.
Cann R L   +6 more
core   +1 more source

Metagenomic analysis of dental calculus in ancient Egyptian baboons [PDF]

open access: yes, 2019
Dental calculus, or mineralized plaque, represents a record of ancient biomolecules and food residues. Recently, ancient metagenomics made it possible to unlock the wealth of microbial and dietary information of dental calculus to reconstruct oral ...
Bramanti, Barbara   +7 more
core   +1 more source

Bacteria‐Responsive Nanostructured Drug Delivery Systems for Targeted Antimicrobial Therapy

open access: yesAdvanced Materials, EarlyView.
Bacteria‐responsive nanocarriers are designed to release antimicrobials only in the presence of infection‐specific cues. This selective activation ensures drug release precisely at the site of infection, avoiding premature or indiscriminate release, and enhancing efficacy.
Guillermo Landa   +3 more
wiley   +1 more source

A 16th century Escherichia coli draft genome associated with an opportunistic bile infection

open access: yesCommunications Biology, 2022
Ancient DNA from an Italian mummy’s gallstone provides insight into opportunistic E. coli infection.
George S. Long   +12 more
doaj   +1 more source

Microbial Contribution to Soiling and Its Impact on Photovoltaic Module Soiling in Arid Zones of the Atacama Desert

open access: yesAdvanced Sustainable Systems, EarlyView.
Microorganisms colonizing photovoltaic surfaces in the Atacama desert form biofilms that enhance particle adhesion and reduce energy yield. This study identifies UV‐resistant bacteria and carotenoid‐producing strains that interfere with PV performance.
Douglas Olivares   +8 more
wiley   +1 more source

Genome-wide diversity of Pagliarola sheep residual population and its conservation implication

open access: yesItalian Journal of Animal Science, 2021
Local breeds represent an underestimated resource in terms not only of their important cultural and economical role in marginal areas, but also because they often own a potential genetic pool well adapted to extreme conditions. This fact is of increasing
Christian Persichilli   +8 more
doaj   +1 more source

Ancient DNA [PDF]

open access: yes, 2011
DNA je genetski materijal svih organizama, to je molekula jednostavne građe, ali vrlo složene zadaće. Nosi uputu o svim funkcijama u našem tijelu, možemo reći nosi „znanja“ potrebna za život, jer u sebi sadrži informaciju potrebnu za funkcioniranje svih ...
Jukić, Patricia
core   +2 more sources

Nurr1 Orchestrates Claustrum Development and Functionality

open access: yesAdvanced Science, EarlyView.
Nurr1 (Nr4a2) is the master transcription factor to control claustrum morphogenesis and cell fate decision postmitotically by inhibiting intracellular G‐protein signaling. Nurr1 deficiency alters the transcriptomic profiles of subcortical claustral neurons into neocortical insular neurons, resulting in defected claustrum development, impaired axonal ...
Kuo Yan   +12 more
wiley   +1 more source

A Cold Stress‐Activated Endocrine Sentinel Chemical Hormone Promotes Insect Survival via Mitochondrial Adaptations Through the Adipokinetic Hormone Receptor

open access: yesAdvanced Science, EarlyView.
Seasonal cold adaptation is vital for insect survival, yet the molecular mechanisms linking diapause to mitochondrial resilience remain largely unresolved. We identify ascaroside C9 (asc‐C9) as a key endocrine signal that enhances diapause survival during cold stress by activating the AKHR–PGC1α–UCP4 axis, thereby driving cold‐induced lipolysis and ...
Jiao Zhou   +14 more
wiley   +1 more source

Ten years of the horse reference genome: insights into equine biology, domestication and population dynamics in the post-genome era. [PDF]

open access: yes, 2019
The horse reference genome from the Thoroughbred mare Twilight has been available for a decade and, together with advances in genomics technologies, has led to unparalleled developments in equine genomics.
Bellone, R   +3 more
core   +2 more sources

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