Results 131 to 140 of about 10,860,643 (378)

The multidrug and toxin extrusion (MATE) transporter DTX51 antagonizes non‐cell‐autonomous HLS1–AMP1 signaling in a region‐specific manner

open access: yesFEBS Letters, EarlyView.
The Arabidopsis mutants hls1 hlh1 and amp1 lamp1 exhibit pleiotropic developmental phenotypes. Although the functions of the causative genes remain unclear, they act in the same genetic pathway and are thought to generate non‐cell‐autonomous signals.
Takashi Nobusawa, Makoto Kusaba
wiley   +1 more source

Ergothioneine supplementation improves pup phenotype and survival in a murine model of spinal muscular atrophy

open access: yesFEBS Letters, EarlyView.
Spinal muscular atrophy (SMA) is a genetic disease affecting motor neurons. Individuals with SMA experience mitochondrial dysfunction and oxidative stress. The aim of the study was to investigate the effect of an antioxidant and neuroprotective substance, ergothioneine (ERGO), on an SMNΔ7 mouse model of SMA.
Francesca Cadile   +8 more
wiley   +1 more source

Repeated loss of function at HD mating-type genes and of recombination in anther-smut fungi

open access: yesNature Communications
Basidiomycete fungi typically have two mating-type loci controlling mating compatibility, HD and PR, residing on different chromosomes. Loss-of-function in mating compatibility has been reported at the PR genes in a few heterothallic basidiomycetes, but ...
Elise A. Lucotte   +18 more
doaj   +1 more source

Cosmological Luminosity Evolution of QSO/AGN Population

open access: yes, 1999
We apply the observed optical/X-ray spectral states of the Galactic black hole candidates (GBHCs) to the cosmological QSO luminosity evolution under the assumptions that QSOs and GBHCs are powered by similar accretion processes and that their emission ...
Boyle B. J.   +10 more
core   +2 more sources

Microbial exopolysaccharide production by polyextremophiles in the adaptation to multiple extremes

open access: yesFEBS Letters, EarlyView.
Polyextremophiles are microorganisms that endure multiple extreme conditions by various adaptation strategies that also include the production of exopolysaccharides (EPSs). This review provides an integrated perspective on EPS biosynthesis, function, and regulation in these organisms, emphasizing their critical role in survival and highlighting their ...
Tracey M Gloster, Ebru Toksoy Öner
wiley   +1 more source

The coincidence of ecological opportunity with hybridization explains rapid adaptive radiation in Lake Mweru cichlid fishes

open access: yesNature Communications, 2019
Recent studies have suggested that hybridization can facilitate adaptive radiations. Here, the authors show that opportunity for hybridization differentiates Lake Mweru, where cichlids radiated, and Lake Bangweulu, where cichlids did not radiate despite ...
Joana I. Meier   +9 more
doaj   +1 more source

Against “revolution” and “evolution” [PDF]

open access: yes, 2005
Those standard historiographic themes of “evolution” and “revolution” need replacing. They perpetuate mid-Victorian scientists’ history of science. Historians’ history of science does well to take in the long run from the Greek and Hebrew heritages on ...
Hodge, M.J.S.
core  

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