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Low nucleotide diversity at the pal1 locus in the widely distributed Pinus sylvestris.
TLDR
The observed levels of inbreeding depression suggest that Scots pine may have a high mutation rate to deleterious alleles, and the levels of nucleotide variation should be higher than those in other plant species.
Origin and evolution of circadian clock genes in prokaryotes
TLDR
The data suggest that the prokaryotic circadian pacemakers have evolved in parallel with the geological history of the earth, and that natural selection, multiple lateral transfers, and gene duplications and losses have been the major factors shaping their evolution.
Nongenetic Determinants of Age at Menarche: A Systematic Review
TLDR
The factors affecting prenatal and early childhood growth seem to have a larger effect on further sexual maturation, and the data about influence of nongenetic factors on AAM are still inconsistent.
Genetic Variability and Differentiation of Geographically Marginal Scots Pine Populations From Ukraine
TLDR
The obtained values of NEI’s genetic distances suggest that southern geographically marginal populations of Scots pine are as much differentiated as the central populations and have probably slightly higher level of differentiation than the northernmost populations.
Circadian Input Kinases and Their Homologs in Cyanobacteria: Evolutionary Constraints Versus Architectural Diversification
TLDR
Circadian specialization of CikA, as opposed to its non-circadian homologs, is a result of several factors, including the unique conserved domain architecture and high evolutionary constraints of some domains and regions, which were previously identified as critical for the circadian function of the gene.
Evolution of kaiA, a key circadian gene of cyanobacteria
TLDR
The results show that, in contrast to the previous reports, kaiA has an ancient origin and is as old as cyanobacteria and the major structural modifications in the k KaiA genes have apparently been induced by global environmental changes in the different geological periods.
Genetics of age at menarche: a systematic review.
TLDR
The reviewed studies laid a solid basis for future research on genetics of age at menarche, and several methodologies are proposed to increase the efficiency of studies in this area, including a systems approach, which combines existing high-throughput methods in a single pipeline.
Structure and molecular phylogeny of sasA genes in cyanobacteria: insights into evolution of the prokaryotic circadian system.
TLDR
The observed concordant patterns of the sasA and kaiBC evolution suggest that these genes might compose an ancient KaiBC-SasA-based circadian system, without the kaiA gene, and that such a system still exists in some unicellular cyanobacteria.
Functional divergence of the circadian clock proteins in prokaryotes
TLDR
Rate shift analyses have identified residues whose manipulation in the Kai proteins may lead to better understanding of their functions in the two different types of the cyanobacterial circadian system.
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