Not exact matches
The living world thrived long before the origin of nucleated
organisms [the
eukaryotic cells, which have genetic material enclosed
in well - defined membranes].
Prokaryotic cells are usually singletons, while
eukaryotic cells are usually found
in multi-cellular
organisms.
It is the first synthetic chromosome ever assembled from a
eukaryotic organism, the type
in which cells store DNA
in nuclei.
In fact, as with
eukaryotic organisms, division of Caulobacter cells generates two different daughter cells, which can be easily separated.
«We suggest that oxygen was much lower than previously thought during this important middle chapter
in Earth history, which likely explains the low abundances and diversity of
eukaryotic organisms and the absence of animals,» Lyons said.
The genus Cryptosporidium, a group of single - celled
eukaryotic organisms in the phylum Apicomplexa, comprises an unknown number of species infecting numerous vertebrate species.
We could fairly posit that the evolutionary origin of the
eukaryotic cell was «the first time that what went around came around», a quid pro quo with among primitive
organisms in deep time.
The CellDevo Track focuses on the study of molecular mechanisms
in eukaryotic cells and their role
in tissue formation, with the level of analysis ranging from single molecules to single cells, from cells to tissues, and from tissues to whole
organisms.
(All multi-cell
organisms are made of
eukaryotic cells; the other type of cell, prokaryotic, is found
in single - cell
organisms.)
Our transgenic plants are one of the first examples of detector plants and a fully synthetic signaling pathway
in a higher
eukaryotic organism.
The team's work highlights this by presenting a comprehensive view of genome evolution on many different levels (e.g., differences
in ploidy, aneuploidy, genetic variants, hybridization, and introgressions) that is difficult to obtain at the same scale and accuracy for other
eukaryotic organisms.
The study provides new insights
in how
eukaryotic organisms gradually evolved from simpler microbial ancestors.
His findings suggest that
eukaryotic organisms were present on Earth as early as 2.31 billion years ago, around the same time that oxygen was first present
in the Earth's atmosphere.
Kopp et al. (2007) and Schumann et al. (2008) found that a clay layer deposited during the PETM
in the Salisbury Embayment (which stretches from New Jersey to Virginia) recorded the unusually rich growth of magnetotactic bacteria and of other unique and presumptively
eukaryotic iron biomineralizing
organisms.
«I have a
eukaryotic organism active
in my gut that could potentially become an issue.
In this series the artist creates meticulous simulacra of botanical species and
eukaryotic organisms.