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Cell biological phenomenon
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Ebook "Euglena: Biochemistry, cell and molecular biology" offering information on its atypical biochemistry, cell and molecular biology, and potential biotechnology applications. This volume gathers together contributions from well-known experts, who in many cases played major roles in elucidating the phenomenon discussed. Presented in three parts, the first section of this comprehensive book describes novel biochemical pathways which in some instances have an atypical subcellular localization.
304p
lucchinguyen
28-12-2023
2
2
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Protein recoding by RNA editing is required for normal health and evolutionary adaptation. However, de novo induction of RNA editing in response to environmental factors is an uncommon phenomenon. While APOBEC3A edits many mRNAs in monocytes and macrophages in response to hypoxia and interferons, the physiological significance of such editing is unclear.
17p
vigalileogalilei
27-02-2022
10
1
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Mitochondrial heteroplasmy, the presence of more than one mitochondrial DNA (mtDNA) variant in a cell or individual, is not as uncommon as previously thought. It is mostly due to the high mutation rate of the mtDNA and limited repair mechanisms present in the mitochondrion. Motivated by mitochondrial diseases, much focus has been placed into studying this phenomenon in human samples and in medical contexts.
14p
viaristotle
29-01-2022
6
0
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Asymmetry during cellular division, both in the uneven partitioning of damaged cellular components and of cell volume, is a cell biological phenomenon experienced by many unicellular organisms.
14p
vijisoo2711
27-10-2020
5
0
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Thyroid neoplasias with oncocytic features represent a specific phenotype in non-medullary thyroid cancer, reflecting the unique biological phenomenon of mitochondrial hyperplasia in the cytoplasm. Oncocytic thyroid cells are characterized by a prominent eosinophilia (or oxyphilia) caused by mitochondrial abundance.
7p
vialabama2711
21-09-2020
16
0
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The biological phenomenon of cell fusion has been associated with cancer progression since it was determined that normal cell × tumor cell fusion-derived hybrid cells could exhibit novel properties, such as enhanced metastatogenic capacity or increased drug resistance, and even as a mechanism that could give rise to cancer stem/initiating cells (CS/ICs).
16p
vidhaka2711
31-07-2020
9
2
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Studies have demonstrated that free radicals (ROS) such as hydrogen peroxide (H2O2), superoxide (O2 - ), hydroxyl radical (OH- ) are the cause of aging in humans. The basis of this phenomenon is that they can cause oxidative damage to cell biological macromolecules such as proteins, lipids or DNA through increasing peroxide oxidation, altering DNA structure.
5p
visumika2711
17-07-2019
31
1
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Chapter 35 - Plant structure, growth, and development. This chapter compare structures or cells; explain the phenomenon of apical dominance; distinguish between determinate and indeterminate growth; describe in detail the primary and secondary growth of the tissues of roots and shoots; describe the composition of wood and bark; distinguish between morphogenesis, differentiation, and growth; explain how a vegetative shoot tip changes into a floral meristem.
76p
tangtuy02
08-03-2016
29
3
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Most of the examples of protein translocation across a membrane (such as the import of classical secretory proteins into the endoplasmic reticulum, import of proteins into mitochondria and peroxisomes, as well as protein import into and export from the nucleus), are understood in great detail.
11p
fptmusic
16-04-2013
37
3
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The haem-distal pocket of nitric oxide reductase cyto-chrome P450 contains many Arg and Lys residues that are clustered to form a putative access channel for NADH. Asp88 is the sole negatively charged amino acid in this positive charge cluster, and thus it would be interesting to know its functional role.
8p
dell39
03-04-2013
36
3
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Temperature has a strong influence on most individual biochemical reac-tions. Despite this, many organisms have the remarkable ability to keep certain physiological fluxes approximately constant over an extended tem-perature range. In this study, we show how temperature compensation can be considered as a pathway phenomenon rather than the result of a single-enzyme property.
11p
galaxyss3
21-03-2013
32
2
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Circulating tumour necrosis factor-a(TNFa) levels, which are elevated in obesity-associated insulin resistance and diabetes, inhibit insulin signalling at several points in the signalling cascade. The liver is critical in maintaining cir-culating glucose levels and, in a preliminary investigation using the human hepatoma (HepG2) cell line in this study, we demonstrated the role of TNFa in the regulation of this phenomenon and determined the underlying molecular mechanisms.
13p
vinaphone15
25-02-2013
41
1
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This book collects original and innovative research studies concerning modeling and simulation of physical systems in a very wide range of applications, encompassing micro-electro-mechanical systems, measurement instrumentations, catalytic reactors, biomechanical applications, biological and chemical sensors, magnetosensitive materials, silicon photonic devices, electronic devices, optical fibers, electro-microfluidic systems, composite materials, fuel cells, indoor air-conditioning systems, active magnetic levitation systems and more.
348p
kimngan_1
05-11-2012
83
7
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