These ancient microscopic eukaryotes
built their exoskeletons using a very different process from most modern shell-making microbes.
The implication of these observations is that the eukaryote
cell has retained an epigenetic capability that results in the demise of the organism.
The three kingdoms--animals, plants and fungi--are just three of about a dozen extant major branches of the eukaryote
Up until now, it was virtually impossible to robotically screen for useful genes found in eukaryotes
, the complex life forms that make up more than 90 percent of the earth's known species," said Mark Emalfarb, president of Dyadic International, Inc.
The group's findings, which Shinozawa considers ''conclusive proof,'' is expected to lead to further understanding of the origin of eukaryotes
, including humans.
On the other hand, if the limiting factor was the origin of a phagotrophic eukaryote
, the last date may be correct.
26) Thomas Cavalier-Smith, "The Origin of Eukaryote
and Archaebacterial Cells," Annals of the New York Academy of Sciences 503 (1987): 17-54.
Even now, whether a eukaryote
lives for a few weeks or 50-100 years, the underlying mechanisms of aging are the same.
For decades, many scientists blamed the boring billion's lack of eukaryote
expansion and evolution, as evident in the fossil record, on low levels of oxygen.
Washington, Nov 16 ( ANI ): The number of different marine eukaryote
organisms could reach up to 972,000, according to researchers.
The foreign agent may be a nucleic acid or protein, and is frequently bioactive in and therapeutic to the target eukaryote
Out of about 150,000 kinds of marine plankton detected during the Tara oceans expeditions, as reported May 22 in Science, researchers could genetically identify about a third only as some eukaryote
2) in the presence of iron concentrations that can exceed 20 milligrams/ml; descriptions of eukaryotic diversity in warm, anoxic sediments that are proximal to hydrothermal vents; the discovery of introns in the primitive eukaryote
, Giardia lamblia; and evidence of lateral transfer of genes from several different bacteria into the genome of Giardia lamblia.
PTM as Phosphorylation: Normal State Studies
The new find has "genes that might provide a very good starting point to becoming eukaryote
," says James Mclnerney of the National University of Ireland Maynooth.