نتایج جستجو برای: multicellular life

تعداد نتایج: 760686  

Journal: :Mechanisms of Development 2015
Michael C. Reubens Megan D. Biller Sidney E. Bedsole Lucas T. Hopkins Elizabeth T. Ables Tim W. Christensen

Efficient replication of the genome and the establishment of endogenous chromatin states are processes that are essential to eukaryotic life. It is well documented that Mcm10 is intimately linked to both of these important biological processes; therefore, it is not surprising that Mcm10 is commonly misregulated in many human cancers. Most of the research regarding the biological roles of Mcm10 ...

2011
Yongshuai Jiang Ruijie Zhang Peng Sun Guoping Tang Xuehong Zhang Xing Wang Xiaodan Guo Qiuyu Wang Xia Li

Detecting and interpreting certain system-level characteristics associated with human population genetic differences is a challenge for human geneticists. In this study, we conducted a population genetic study using the HapMap genotype data to identify certain special Gene Ontology (GO) categories associated with high/low genetic difference among 11 Hapmap populations. Initially, the genetic di...

Journal: :GSC biological and pharmaceutical sciences 2021

Microorganisms or microbes are microscopic organisms that exist as unicellular, multicellular, cell clusters. widespread in nature and beneficial to life, but some can cause serious harm. They be divided into five major types: Bacteria, Archaea, Fungi, Protozoa, Viruses. Microbes everywhere the biosphere, their presence invariably affects environment they growing in. producing oxygen environmen...

Journal: :International Journal of Molecular Sciences 2023

Macrophages are likely to be the first immune cells have appeared during evolution of multicellular organisms [...]

Journal: :Journal of the Royal Society, Interface 2010
Jin-Hong Kim Lawrence J Dooling Anand R Asthagiri

Multicellular structures are held together by cell adhesions. Forces that act upon these adhesions play an integral role in dynamically re-shaping multicellular structures during development and disease. Here, we describe different modes by which mechanical forces are transduced in a multicellular context: (i) indirect mechanosensing through compliant substratum, (ii) cytoskeletal 'tug-of-war' ...

2005
S Franck C Bounama W Von Bloh

We present a minimal model for the global carbon cycle of the Earth containing the reservoirs mantle, ocean floor, continental crust, biosphere, and the kerogen, as well as the aggregated reservoir ocean and atmosphere. The model is specified by introducing three different types of biosphere: procaryotes, eucaryotes, and complex 5 multicellular life. We find that from the Archaean to the future...

Journal: :Proceedings of the National Academy of Sciences of the United States of America 2006
Richard E Michod

Transforming our understanding of life is the realization that evolution occurs not only among individuals within populations but also through the integration of groups of preexisting individuals into a new higher-level individual, that is, through evolutionary transitions in individuality. During evolutionary transitions (such as during the origin of gene networks, bacteria-like cells, eukaryo...

Journal: :Physical review. E, Statistical, nonlinear, and soft matter physics 2007
Bohyun Lee Emmanuel Tannenbaum

Replication via sporulation is the replication strategy for all multicellular life, and may even be observed in unicellular life (such as with budding yeast). We consider diploid populations replicating via one of two possible sporulation mechanisms. (1) Asexual sporulation, whereby adult organisms produce single-celled diploid spores that grow into adults themselves. (2) Sexual sporulation, wh...

2012
Paul Hyman Stephen T. Abedon

Life forms can be roughly differentiated into those that are microscopic versus those that are not as well as those that are multicellular and those that, instead, are unicellular. Cellular organisms seem generally able to host viruses, and this propensity carries over to those that are both microscopic and less than truly multicellular. These viruses of microorganisms, or VoMs, in fact exist a...

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