Sentence examples for marker of ancient from inspiring English sources

Further, Prx hyperoxidation is observed in vivo in a variety of organisms and has been discussed as a marker of ancient circadian rhythms, though the meaning or relevance of this latter observation is not yet clear.

Chromoviruses are thus putative markers of ancient interactions between plants and fungi.

The selected loci are generally the housekeeping genes, which evolve very slowly over an evolutionary time-scale [ 16] and hence qualify as highly robust markers of ancient and modern ancestry.

It seemed that DFR23 loses in the early phase of microevolutionary history of Y. pestis, and it might serve as a marker for identification of ancient Y. pestis strains.

The patterns of colors on these sedimentary rocks — from black and thinly striated to red-brown — are markers of an ancient lake that alternated from deep to shallow in 20,000-year cycles controlled by the wobble of the earth's axis and the amount of sunlight hitting the planet.

Nd is another useful provenance marker for ancient glass.

If Jesus really did declare all foods clean, then he would have violated one of the distinguishing markers for ancient Jewish identity -- and open himself to the charge that he had violated the law.

As one of the preferred markers for ancient DNA analysis [12], [13], mitochondria DNA (mtDNA) shows great advantage over nuclear DNA when dealing with fragmented, chemically modified, and trace amount of DNA from both historical and prehistorical specimens [14], [15], owing largely to its high copy number, rapid mutation rate, absence of recombination, and maternal inheritance.

A substantial number of nonspecific amplifications in these previous studies raised concerns as to the specificity of current molecular markers for ancient malaria (3, 4 ).

In conclusion, the distributions of SNP and mtDNA population markers portray the effects of ancient isolations and dispersals, contemporary gene flow, and random drift on population structure.

They also suggest that malformed fossils of chitinozoans could one day serve as keen markers for ancient changes in ocean chemistry.