Results 61 to 70 of about 253,035 (314)

Revealing the structure of land plant photosystem II: the journey from negative‐stain EM to cryo‐EM

FEBS Letters, EarlyView.
Advances in cryo‐EM have revealed the detailed structure of Photosystem II, a key protein complex driving photosynthesis. This review traces the journey from early low‐resolution images to high‐resolution models, highlighting how these discoveries deepen our understanding of light harvesting and energy conversion in plants.
Roman Kouřil
wiley   +1 more source

Por que o desenvolvimento ontogenético foi tratado como uma “caixa preta” na síntese moderna da evolução?

Principia: An International Journal of Epistemology, 2015
The Modern Evolutionary Synthesis relegated the ontogenetic development to a “black box”. In this article, we argue that the absence of ontogenetic development in the Evolutionary Synthesis was due its strong foundation in transmission genetics.
Leonardo Augusto Luvison Araújo, Aldo Mellender de Araújo   +1 more
doaj  

Complex Genetic Interactions in a Quantitative Trait Locus

PLoS Genetics, 2006
Whether in natural populations or between two unrelated members of a species, most phenotypic variation is quantitative. To analyze such quantitative traits, one must first map the underlying quantitative trait loci. Next, and far more difficult, one must identify the quantitative trait genes (QTGs), characterize QTG interactions, and identify the ...
Bradly P. Nicholson, John H. McCusker, Lars M. Steinmetz, Himanshu Sinha   +3 more
openaire   +5 more sources

Plasmodium falciparum gametogenesis essential protein 1 (GEP1) is a transmission‐blocking target

FEBS Letters, EarlyView.
This study shows Plasmodium falciparum GEP1 is vital for activating sexual stages of malarial parasites even independently of a mosquito factor. Knockout parasites completely fail gamete formation even when a phosphodiesterase inhibitor is added. Two single‐nucleotide polymorphisms (V241L and S263P) are found in 12%–20% of field samples.
Frederik Huppertz, Milagros Siebeck Caturelli, Lina S. Lehmann, Florian Kurth, Alexander G. Maier, Kai Matuschewski   +5 more
wiley   +1 more source

Linked dimers of the AAA+ ATPase Msp1 reveal energetic demands and mechanistic plasticity for substrate extraction from lipid bilayers

FEBS Letters, EarlyView.
Cells must clear mislocalized or faulty proteins from membranes to survive. The AAA+ ATPase Msp1 performs this task, but dissecting how its six subunits work together is challenging. We engineered linked dimers with varied numbers of functional subunits to reveal how Msp1 subunits cooperate and use energy to extract proteins from the lipid bilayer ...
Deepika Gaur, Brian Acquaviva, Baylee A. Smith, Nathan Walker, Isabella Walter, Matthew L. Wohlever   +5 more
wiley   +1 more source

Genetic determinants of trabecular and cortical volumetric bone mineral densities and bone microstructure.

PLoS Genetics, 2013
Most previous genetic epidemiology studies within the field of osteoporosis have focused on the genetics of the complex trait areal bone mineral density (aBMD), not being able to differentiate genetic determinants of cortical volumetric BMD (vBMD ...
Lavinia Paternoster, Mattias Lorentzon, Terho Lehtimäki, Joel Eriksson, Mika Kähönen, Olli Raitakari, Marika Laaksonen, Harri Sievänen, Jorma Viikari, Leo-Pekka Lyytikäinen, Dan Mellström, Magnus Karlsson, Osten Ljunggren, Elin Grundberg, John P Kemp, Adrian Sayers, Maria Nethander, David M Evans, Liesbeth Vandenput, Jon H Tobias, Claes Ohlsson   +20 more
doaj   +1 more source

The genetic basis of resistance and matching-allele interactions of a host-parasite system: The Daphnia magna-Pasteuria ramosa model. [PDF]

PLoS Genetics, 2017
Negative frequency-dependent selection (NFDS) is an evolutionary mechanism suggested to govern host-parasite coevolution and the maintenance of genetic diversity at host resistance loci, such as the vertebrate MHC and R-genes in plants.
Gilberto Bento, Jarkko Routtu, Peter D Fields, Yann Bourgeois, Louis Du Pasquier, Dieter Ebert   +5 more
doaj   +1 more source

The MAPT locus—a genetic paradigm in disease susceptibility

Nature Reviews Neurology, 2012
Understanding how genetic variation can confer susceptibility to neurological disease is an urgent priority. A new gene-expression study has explored the relationship between DNA sequence variation at the microtubule-associated protein tau (MAPT) locus and MAPT expression in the brain, providing an exciting new paradigm for the field.
openaire   +3 more sources

Reciprocal control of viral infection and phosphoinositide dynamics

FEBS Letters, EarlyView.
Phosphoinositides, although scarce, regulate key cellular processes, including membrane dynamics and signaling. Viruses exploit these lipids to support their entry, replication, assembly, and egress. The central role of phosphoinositides in infection highlights phosphoinositide metabolism as a promising antiviral target.
Marie Déborah Bancilhon, Bruno Mesmin
wiley   +1 more source

Reinforcement of genetic coherence: a single-locus model

Biosystems, 1997
Genetic coherence and genetic separation are the outcome of evolutionary mechanisms which maintain genetic variation within populations through recombination on the one hand, and which divide this variation via speciation between reproductively (recombinatorically) more or less isolated populations on the other.
Steiner, Wilfried, Gregorius, Hans-Rolf
openaire   +4 more sources